diff --git a/.jshintignore b/.jshintignore index f118c685c..ca83cd332 100644 --- a/.jshintignore +++ b/.jshintignore @@ -15,6 +15,7 @@ www/common/onlyoffice/v2* server.js www/common/old-media-tag.js www/scratch +www/lib www/common/toolbar.js www/common/hyperscript.js diff --git a/www/code/markmap/markmap-lib.transform.bundle.js b/www/code/markmap/markmap-lib.transform.bundle.js deleted file mode 100644 index ecfb9aee2..000000000 --- a/www/code/markmap/markmap-lib.transform.bundle.js +++ /dev/null @@ -1,5689 +0,0 @@ -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : - typeof define === 'function' && define.amd ? define(factory) : - (global = global || self, global.transform = factory()); -}(this, (function () { 'use strict'; - - function unwrapExports (x) { - return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x; - } - - function createCommonjsModule(fn, basedir, module) { - return module = { - path: basedir, - exports: {}, - require: function (path, base) { - return commonjsRequire(path, (base === undefined || base === null) ? module.path : base); - } - }, fn(module, module.exports), module.exports; - } - - function commonjsRequire () { - throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs'); - } - - var textarea; - - function decodeEntity(name) { - textarea = textarea || document.createElement('textarea'); - textarea.innerHTML = '&' + name + ';'; - return textarea.value; - } - - /** - * Utility functions - */ - - function typeOf(obj) { - return Object.prototype.toString.call(obj); - } - - function isString(obj) { - return typeOf(obj) === '[object String]'; - } - - var hasOwn = Object.prototype.hasOwnProperty; - - function has(object, key) { - return object - ? hasOwn.call(object, key) - : false; - } - - // Extend objects - // - function assign(obj /*from1, from2, from3, ...*/) { - var sources = [].slice.call(arguments, 1); - - sources.forEach(function (source) { - if (!source) { return; } - - if (typeof source !== 'object') { - throw new TypeError(source + 'must be object'); - } - - Object.keys(source).forEach(function (key) { - obj[key] = source[key]; - }); - }); - - return obj; - } - - //////////////////////////////////////////////////////////////////////////////// - - var UNESCAPE_MD_RE = /\\([\\!"#$%&'()*+,.\/:;<=>?@[\]^_`{|}~-])/g; - - function unescapeMd(str) { - if (str.indexOf('\\') < 0) { return str; } - return str.replace(UNESCAPE_MD_RE, '$1'); - } - - //////////////////////////////////////////////////////////////////////////////// - - function isValidEntityCode(c) { - /*eslint no-bitwise:0*/ - // broken sequence - if (c >= 0xD800 && c <= 0xDFFF) { return false; } - // never used - if (c >= 0xFDD0 && c <= 0xFDEF) { return false; } - if ((c & 0xFFFF) === 0xFFFF || (c & 0xFFFF) === 0xFFFE) { return false; } - // control codes - if (c >= 0x00 && c <= 0x08) { return false; } - if (c === 0x0B) { return false; } - if (c >= 0x0E && c <= 0x1F) { return false; } - if (c >= 0x7F && c <= 0x9F) { return false; } - // out of range - if (c > 0x10FFFF) { return false; } - return true; - } - - function fromCodePoint(c) { - /*eslint no-bitwise:0*/ - if (c > 0xffff) { - c -= 0x10000; - var surrogate1 = 0xd800 + (c >> 10), - surrogate2 = 0xdc00 + (c & 0x3ff); - - return String.fromCharCode(surrogate1, surrogate2); - } - return String.fromCharCode(c); - } - - var NAMED_ENTITY_RE = /&([a-z#][a-z0-9]{1,31});/gi; - var DIGITAL_ENTITY_TEST_RE = /^#((?:x[a-f0-9]{1,8}|[0-9]{1,8}))/i; - - function replaceEntityPattern(match, name) { - var code = 0; - var decoded = decodeEntity(name); - - if (name !== decoded) { - return decoded; - } else if (name.charCodeAt(0) === 0x23/* # */ && DIGITAL_ENTITY_TEST_RE.test(name)) { - code = name[1].toLowerCase() === 'x' ? - parseInt(name.slice(2), 16) - : - parseInt(name.slice(1), 10); - if (isValidEntityCode(code)) { - return fromCodePoint(code); - } - } - return match; - } - - function replaceEntities(str) { - if (str.indexOf('&') < 0) { return str; } - - return str.replace(NAMED_ENTITY_RE, replaceEntityPattern); - } - - //////////////////////////////////////////////////////////////////////////////// - - var HTML_ESCAPE_TEST_RE = /[&<>"]/; - var HTML_ESCAPE_REPLACE_RE = /[&<>"]/g; - var HTML_REPLACEMENTS = { - '&': '&', - '<': '<', - '>': '>', - '"': '"' - }; - - function replaceUnsafeChar(ch) { - return HTML_REPLACEMENTS[ch]; - } - - function escapeHtml(str) { - if (HTML_ESCAPE_TEST_RE.test(str)) { - return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar); - } - return str; - } - - var utils = /*#__PURE__*/Object.freeze({ - isString: isString, - has: has, - assign: assign, - unescapeMd: unescapeMd, - isValidEntityCode: isValidEntityCode, - fromCodePoint: fromCodePoint, - replaceEntities: replaceEntities, - escapeHtml: escapeHtml - }); - - /** - * Renderer rules cache - */ - - var rules = {}; - - /** - * Blockquotes - */ - - rules.blockquote_open = function(/* tokens, idx, options, env */) { - return '
\n'; - }; - - rules.blockquote_close = function(tokens, idx /*, options, env */) { - return '
' + getBreak(tokens, idx); - }; - - /** - * Code - */ - - rules.code = function(tokens, idx /*, options, env */) { - if (tokens[idx].block) { - return '
' + escapeHtml(tokens[idx].content) + '
' + getBreak(tokens, idx); - } - return '' + escapeHtml(tokens[idx].content) + ''; - }; - - /** - * Fenced code blocks - */ - - rules.fence = function(tokens, idx, options, env, instance) { - var token = tokens[idx]; - var langClass = ''; - var langPrefix = options.langPrefix; - var langName = '', fences, fenceName; - var highlighted; - - if (token.params) { - - // - // ```foo bar - // - // Try custom renderer "foo" first. That will simplify overwrite - // for diagrams, latex, and any other fenced block with custom look - // - - fences = token.params.split(/\s+/g); - fenceName = fences.join(' '); - - if (has(instance.rules.fence_custom, fences[0])) { - return instance.rules.fence_custom[fences[0]](tokens, idx, options, env, instance); - } - - langName = escapeHtml(replaceEntities(unescapeMd(fenceName))); - langClass = ' class="' + langPrefix + langName + '"'; - } - - if (options.highlight) { - highlighted = options.highlight.apply(options.highlight, [ token.content ].concat(fences)) - || escapeHtml(token.content); - } else { - highlighted = escapeHtml(token.content); - } - - return '
'
-	        + highlighted
-	        + '
' - + getBreak(tokens, idx); - }; - - rules.fence_custom = {}; - - /** - * Headings - */ - - rules.heading_open = function(tokens, idx /*, options, env */) { - return ''; - }; - rules.heading_close = function(tokens, idx /*, options, env */) { - return '\n'; - }; - - /** - * Horizontal rules - */ - - rules.hr = function(tokens, idx, options /*, env */) { - return (options.xhtmlOut ? '
' : '
') + getBreak(tokens, idx); - }; - - /** - * Bullets - */ - - rules.bullet_list_open = function(/* tokens, idx, options, env */) { - return '' + getBreak(tokens, idx); - }; - - /** - * List items - */ - - rules.list_item_open = function(/* tokens, idx, options, env */) { - return '
  • '; - }; - rules.list_item_close = function(/* tokens, idx, options, env */) { - return '
    • \n'; - }; - - /** - * Ordered list items - */ - - rules.ordered_list_open = function(tokens, idx /*, options, env */) { - var token = tokens[idx]; - var order = token.order > 1 ? ' start="' + token.order + '"' : ''; - return '\n'; - }; - rules.ordered_list_close = function(tokens, idx /*, options, env */) { - return '' + getBreak(tokens, idx); - }; - - /** - * Paragraphs - */ - - rules.paragraph_open = function(tokens, idx /*, options, env */) { - return tokens[idx].tight ? '' : '

    '; - }; - rules.paragraph_close = function(tokens, idx /*, options, env */) { - var addBreak = !(tokens[idx].tight && idx && tokens[idx - 1].type === 'inline' && !tokens[idx - 1].content); - return (tokens[idx].tight ? '' : '

    ') + (addBreak ? getBreak(tokens, idx) : ''); - }; - - /** - * Links - */ - - rules.link_open = function(tokens, idx, options /* env */) { - var title = tokens[idx].title ? (' title="' + escapeHtml(replaceEntities(tokens[idx].title)) + '"') : ''; - var target = options.linkTarget ? (' target="' + options.linkTarget + '"') : ''; - return ''; - }; - rules.link_close = function(/* tokens, idx, options, env */) { - return ''; - }; - - /** - * Images - */ - - rules.image = function(tokens, idx, options /*, env */) { - var src = ' src="' + escapeHtml(tokens[idx].src) + '"'; - var title = tokens[idx].title ? (' title="' + escapeHtml(replaceEntities(tokens[idx].title)) + '"') : ''; - var alt = ' alt="' + (tokens[idx].alt ? escapeHtml(replaceEntities(unescapeMd(tokens[idx].alt))) : '') + '"'; - var suffix = options.xhtmlOut ? ' /' : ''; - return ''; - }; - - /** - * Tables - */ - - rules.table_open = function(/* tokens, idx, options, env */) { - return '\n'; - }; - rules.table_close = function(/* tokens, idx, options, env */) { - return '
    \n'; - }; - rules.thead_open = function(/* tokens, idx, options, env */) { - return '\n'; - }; - rules.thead_close = function(/* tokens, idx, options, env */) { - return '\n'; - }; - rules.tbody_open = function(/* tokens, idx, options, env */) { - return '\n'; - }; - rules.tbody_close = function(/* tokens, idx, options, env */) { - return '\n'; - }; - rules.tr_open = function(/* tokens, idx, options, env */) { - return ''; - }; - rules.tr_close = function(/* tokens, idx, options, env */) { - return '\n'; - }; - rules.th_open = function(tokens, idx /*, options, env */) { - var token = tokens[idx]; - return ''; - }; - rules.th_close = function(/* tokens, idx, options, env */) { - return ''; - }; - rules.td_open = function(tokens, idx /*, options, env */) { - var token = tokens[idx]; - return ''; - }; - rules.td_close = function(/* tokens, idx, options, env */) { - return ''; - }; - - /** - * Bold - */ - - rules.strong_open = function(/* tokens, idx, options, env */) { - return ''; - }; - rules.strong_close = function(/* tokens, idx, options, env */) { - return ''; - }; - - /** - * Italicize - */ - - rules.em_open = function(/* tokens, idx, options, env */) { - return ''; - }; - rules.em_close = function(/* tokens, idx, options, env */) { - return ''; - }; - - /** - * Strikethrough - */ - - rules.del_open = function(/* tokens, idx, options, env */) { - return ''; - }; - rules.del_close = function(/* tokens, idx, options, env */) { - return ''; - }; - - /** - * Insert - */ - - rules.ins_open = function(/* tokens, idx, options, env */) { - return ''; - }; - rules.ins_close = function(/* tokens, idx, options, env */) { - return ''; - }; - - /** - * Highlight - */ - - rules.mark_open = function(/* tokens, idx, options, env */) { - return ''; - }; - rules.mark_close = function(/* tokens, idx, options, env */) { - return ''; - }; - - /** - * Super- and sub-script - */ - - rules.sub = function(tokens, idx /*, options, env */) { - return '' + escapeHtml(tokens[idx].content) + ''; - }; - rules.sup = function(tokens, idx /*, options, env */) { - return '' + escapeHtml(tokens[idx].content) + ''; - }; - - /** - * Breaks - */ - - rules.hardbreak = function(tokens, idx, options /*, env */) { - return options.xhtmlOut ? '
    \n' : '
    \n'; - }; - rules.softbreak = function(tokens, idx, options /*, env */) { - return options.breaks ? (options.xhtmlOut ? '
    \n' : '
    \n') : '\n'; - }; - - /** - * Text - */ - - rules.text = function(tokens, idx /*, options, env */) { - return escapeHtml(tokens[idx].content); - }; - - /** - * Content - */ - - rules.htmlblock = function(tokens, idx /*, options, env */) { - return tokens[idx].content; - }; - rules.htmltag = function(tokens, idx /*, options, env */) { - return tokens[idx].content; - }; - - /** - * Abbreviations, initialism - */ - - rules.abbr_open = function(tokens, idx /*, options, env */) { - return ''; - }; - rules.abbr_close = function(/* tokens, idx, options, env */) { - return ''; - }; - - /** - * Footnotes - */ - - rules.footnote_ref = function(tokens, idx) { - var n = Number(tokens[idx].id + 1).toString(); - var id = 'fnref' + n; - if (tokens[idx].subId > 0) { - id += ':' + tokens[idx].subId; - } - return '[' + n + ']'; - }; - rules.footnote_block_open = function(tokens, idx, options) { - var hr = options.xhtmlOut - ? '
    \n' - : '
    \n'; - return hr + '
    \n
      \n'; - }; - rules.footnote_block_close = function() { - return '
    \n
    \n'; - }; - rules.footnote_open = function(tokens, idx) { - var id = Number(tokens[idx].id + 1).toString(); - return '
  • '; - }; - rules.footnote_close = function() { - return '
    • \n'; - }; - rules.footnote_anchor = function(tokens, idx) { - var n = Number(tokens[idx].id + 1).toString(); - var id = 'fnref' + n; - if (tokens[idx].subId > 0) { - id += ':' + tokens[idx].subId; - } - return ' ↩'; - }; - - /** - * Definition lists - */ - - rules.dl_open = function() { - return '
    \n'; - }; - rules.dt_open = function() { - return '
    '; - }; - rules.dd_open = function() { - return '
    '; - }; - rules.dl_close = function() { - return '
    \n'; - }; - rules.dt_close = function() { - return '\n'; - }; - rules.dd_close = function() { - return '\n'; - }; - - /** - * Helper functions - */ - - function nextToken(tokens, idx) { - if (++idx >= tokens.length - 2) { - return idx; - } - if ((tokens[idx].type === 'paragraph_open' && tokens[idx].tight) && - (tokens[idx + 1].type === 'inline' && tokens[idx + 1].content.length === 0) && - (tokens[idx + 2].type === 'paragraph_close' && tokens[idx + 2].tight)) { - return nextToken(tokens, idx + 2); - } - return idx; - } - - /** - * Check to see if `\n` is needed before the next token. - * - * @param {Array} `tokens` - * @param {Number} `idx` - * @return {String} Empty string or newline - * @api private - */ - - var getBreak = rules.getBreak = function getBreak(tokens, idx) { - idx = nextToken(tokens, idx); - if (idx < tokens.length && tokens[idx].type === 'list_item_close') { - return ''; - } - return '\n'; - }; - - /** - * Renderer class. Renders HTML and exposes `rules` to allow - * local modifications. - */ - - function Renderer() { - this.rules = assign({}, rules); - - // exported helper, for custom rules only - this.getBreak = rules.getBreak; - } - - /** - * Render a string of inline HTML with the given `tokens` and - * `options`. - * - * @param {Array} `tokens` - * @param {Object} `options` - * @param {Object} `env` - * @return {String} - * @api public - */ - - Renderer.prototype.renderInline = function (tokens, options, env) { - var _rules = this.rules; - var len = tokens.length, i = 0; - var result = ''; - - while (len--) { - result += _rules[tokens[i].type](tokens, i++, options, env, this); - } - - return result; - }; - - /** - * Render a string of HTML with the given `tokens` and - * `options`. - * - * @param {Array} `tokens` - * @param {Object} `options` - * @param {Object} `env` - * @return {String} - * @api public - */ - - Renderer.prototype.render = function (tokens, options, env) { - var _rules = this.rules; - var len = tokens.length, i = -1; - var result = ''; - - while (++i < len) { - if (tokens[i].type === 'inline') { - result += this.renderInline(tokens[i].children, options, env); - } else { - result += _rules[tokens[i].type](tokens, i, options, env, this); - } - } - return result; - }; - - /** - * Ruler is a helper class for building responsibility chains from - * parse rules. It allows: - * - * - easy stack rules chains - * - getting main chain and named chains content (as arrays of functions) - * - * Helper methods, should not be used directly. - * @api private - */ - - function Ruler() { - // List of added rules. Each element is: - // - // { name: XXX, - // enabled: Boolean, - // fn: Function(), - // alt: [ name2, name3 ] } - // - this.__rules__ = []; - - // Cached rule chains. - // - // First level - chain name, '' for default. - // Second level - digital anchor for fast filtering by charcodes. - // - this.__cache__ = null; - } - - /** - * Find the index of a rule by `name`. - * - * @param {String} `name` - * @return {Number} Index of the given `name` - * @api private - */ - - Ruler.prototype.__find__ = function (name) { - var len = this.__rules__.length; - var i = -1; - - while (len--) { - if (this.__rules__[++i].name === name) { - return i; - } - } - return -1; - }; - - /** - * Build the rules lookup cache - * - * @api private - */ - - Ruler.prototype.__compile__ = function () { - var self = this; - var chains = [ '' ]; - - // collect unique names - self.__rules__.forEach(function (rule) { - if (!rule.enabled) { - return; - } - - rule.alt.forEach(function (altName) { - if (chains.indexOf(altName) < 0) { - chains.push(altName); - } - }); - }); - - self.__cache__ = {}; - - chains.forEach(function (chain) { - self.__cache__[chain] = []; - self.__rules__.forEach(function (rule) { - if (!rule.enabled) { - return; - } - - if (chain && rule.alt.indexOf(chain) < 0) { - return; - } - self.__cache__[chain].push(rule.fn); - }); - }); - }; - - /** - * Ruler public methods - * ------------------------------------------------ - */ - - /** - * Replace rule function - * - * @param {String} `name` Rule name - * @param {Function `fn` - * @param {Object} `options` - * @api private - */ - - Ruler.prototype.at = function (name, fn, options) { - var idx = this.__find__(name); - var opt = options || {}; - - if (idx === -1) { - throw new Error('Parser rule not found: ' + name); - } - - this.__rules__[idx].fn = fn; - this.__rules__[idx].alt = opt.alt || []; - this.__cache__ = null; - }; - - /** - * Add a rule to the chain before given the `ruleName`. - * - * @param {String} `beforeName` - * @param {String} `ruleName` - * @param {Function} `fn` - * @param {Object} `options` - * @api private - */ - - Ruler.prototype.before = function (beforeName, ruleName, fn, options) { - var idx = this.__find__(beforeName); - var opt = options || {}; - - if (idx === -1) { - throw new Error('Parser rule not found: ' + beforeName); - } - - this.__rules__.splice(idx, 0, { - name: ruleName, - enabled: true, - fn: fn, - alt: opt.alt || [] - }); - - this.__cache__ = null; - }; - - /** - * Add a rule to the chain after the given `ruleName`. - * - * @param {String} `afterName` - * @param {String} `ruleName` - * @param {Function} `fn` - * @param {Object} `options` - * @api private - */ - - Ruler.prototype.after = function (afterName, ruleName, fn, options) { - var idx = this.__find__(afterName); - var opt = options || {}; - - if (idx === -1) { - throw new Error('Parser rule not found: ' + afterName); - } - - this.__rules__.splice(idx + 1, 0, { - name: ruleName, - enabled: true, - fn: fn, - alt: opt.alt || [] - }); - - this.__cache__ = null; - }; - - /** - * Add a rule to the end of chain. - * - * @param {String} `ruleName` - * @param {Function} `fn` - * @param {Object} `options` - * @return {String} - */ - - Ruler.prototype.push = function (ruleName, fn, options) { - var opt = options || {}; - - this.__rules__.push({ - name: ruleName, - enabled: true, - fn: fn, - alt: opt.alt || [] - }); - - this.__cache__ = null; - }; - - /** - * Enable a rule or list of rules. - * - * @param {String|Array} `list` Name or array of rule names to enable - * @param {Boolean} `strict` If `true`, all non listed rules will be disabled. - * @api private - */ - - Ruler.prototype.enable = function (list, strict) { - list = !Array.isArray(list) - ? [ list ] - : list; - - // In strict mode disable all existing rules first - if (strict) { - this.__rules__.forEach(function (rule) { - rule.enabled = false; - }); - } - - // Search by name and enable - list.forEach(function (name) { - var idx = this.__find__(name); - if (idx < 0) { - throw new Error('Rules manager: invalid rule name ' + name); - } - this.__rules__[idx].enabled = true; - }, this); - - this.__cache__ = null; - }; - - - /** - * Disable a rule or list of rules. - * - * @param {String|Array} `list` Name or array of rule names to disable - * @api private - */ - - Ruler.prototype.disable = function (list) { - list = !Array.isArray(list) - ? [ list ] - : list; - - // Search by name and disable - list.forEach(function (name) { - var idx = this.__find__(name); - if (idx < 0) { - throw new Error('Rules manager: invalid rule name ' + name); - } - this.__rules__[idx].enabled = false; - }, this); - - this.__cache__ = null; - }; - - /** - * Get a rules list as an array of functions. - * - * @param {String} `chainName` - * @return {Object} - * @api private - */ - - Ruler.prototype.getRules = function (chainName) { - if (this.__cache__ === null) { - this.__compile__(); - } - return this.__cache__[chainName] || []; - }; - - function block(state) { - - if (state.inlineMode) { - state.tokens.push({ - type: 'inline', - content: state.src.replace(/\n/g, ' ').trim(), - level: 0, - lines: [ 0, 1 ], - children: [] - }); - - } else { - state.block.parse(state.src, state.options, state.env, state.tokens); - } - } - - // Inline parser state - - function StateInline(src, parserInline, options, env, outTokens) { - this.src = src; - this.env = env; - this.options = options; - this.parser = parserInline; - this.tokens = outTokens; - this.pos = 0; - this.posMax = this.src.length; - this.level = 0; - this.pending = ''; - this.pendingLevel = 0; - - this.cache = []; // Stores { start: end } pairs. Useful for backtrack - // optimization of pairs parse (emphasis, strikes). - - // Link parser state vars - - this.isInLabel = false; // Set true when seek link label - we should disable - // "paired" rules (emphasis, strikes) to not skip - // tailing `]` - - this.linkLevel = 0; // Increment for each nesting link. Used to prevent - // nesting in definitions - - this.linkContent = ''; // Temporary storage for link url - - this.labelUnmatchedScopes = 0; // Track unpaired `[` for link labels - // (backtrack optimization) - } - - // Flush pending text - // - StateInline.prototype.pushPending = function () { - this.tokens.push({ - type: 'text', - content: this.pending, - level: this.pendingLevel - }); - this.pending = ''; - }; - - // Push new token to "stream". - // If pending text exists - flush it as text token - // - StateInline.prototype.push = function (token) { - if (this.pending) { - this.pushPending(); - } - - this.tokens.push(token); - this.pendingLevel = this.level; - }; - - // Store value to cache. - // !!! Implementation has parser-specific optimizations - // !!! keys MUST be integer, >= 0; values MUST be integer, > 0 - // - StateInline.prototype.cacheSet = function (key, val) { - for (var i = this.cache.length; i <= key; i++) { - this.cache.push(0); - } - - this.cache[key] = val; - }; - - // Get cache value - // - StateInline.prototype.cacheGet = function (key) { - return key < this.cache.length ? this.cache[key] : 0; - }; - - /** - * Parse link labels - * - * This function assumes that first character (`[`) already matches; - * returns the end of the label. - * - * @param {Object} state - * @param {Number} start - * @api private - */ - - function parseLinkLabel(state, start) { - var level, found, marker, - labelEnd = -1, - max = state.posMax, - oldPos = state.pos, - oldFlag = state.isInLabel; - - if (state.isInLabel) { return -1; } - - if (state.labelUnmatchedScopes) { - state.labelUnmatchedScopes--; - return -1; - } - - state.pos = start + 1; - state.isInLabel = true; - level = 1; - - while (state.pos < max) { - marker = state.src.charCodeAt(state.pos); - if (marker === 0x5B /* [ */) { - level++; - } else if (marker === 0x5D /* ] */) { - level--; - if (level === 0) { - found = true; - break; - } - } - - state.parser.skipToken(state); - } - - if (found) { - labelEnd = state.pos; - state.labelUnmatchedScopes = 0; - } else { - state.labelUnmatchedScopes = level - 1; - } - - // restore old state - state.pos = oldPos; - state.isInLabel = oldFlag; - - return labelEnd; - } - - // Parse abbreviation definitions, i.e. `*[abbr]: description` - - - function parseAbbr(str, parserInline, options, env) { - var state, labelEnd, pos, max, label, title; - - if (str.charCodeAt(0) !== 0x2A/* * */) { return -1; } - if (str.charCodeAt(1) !== 0x5B/* [ */) { return -1; } - - if (str.indexOf(']:') === -1) { return -1; } - - state = new StateInline(str, parserInline, options, env, []); - labelEnd = parseLinkLabel(state, 1); - - if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 0x3A/* : */) { return -1; } - - max = state.posMax; - - // abbr title is always one line, so looking for ending "\n" here - for (pos = labelEnd + 2; pos < max; pos++) { - if (state.src.charCodeAt(pos) === 0x0A) { break; } - } - - label = str.slice(2, labelEnd); - title = str.slice(labelEnd + 2, pos).trim(); - if (title.length === 0) { return -1; } - if (!env.abbreviations) { env.abbreviations = {}; } - // prepend ':' to avoid conflict with Object.prototype members - if (typeof env.abbreviations[':' + label] === 'undefined') { - env.abbreviations[':' + label] = title; - } - - return pos; - } - - function abbr(state) { - var tokens = state.tokens, i, l, content, pos; - - if (state.inlineMode) { - return; - } - - // Parse inlines - for (i = 1, l = tokens.length - 1; i < l; i++) { - if (tokens[i - 1].type === 'paragraph_open' && - tokens[i].type === 'inline' && - tokens[i + 1].type === 'paragraph_close') { - - content = tokens[i].content; - while (content.length) { - pos = parseAbbr(content, state.inline, state.options, state.env); - if (pos < 0) { break; } - content = content.slice(pos).trim(); - } - - tokens[i].content = content; - if (!content.length) { - tokens[i - 1].tight = true; - tokens[i + 1].tight = true; - } - } - } - } - - function normalizeLink(url) { - var normalized = replaceEntities(url); - // We shouldn't care about the result of malformed URIs, - // and should not throw an exception. - try { - normalized = decodeURI(normalized); - } catch (err) {} - return encodeURI(normalized); - } - - /** - * Parse link destination - * - * - on success it returns a string and updates state.pos; - * - on failure it returns null - * - * @param {Object} state - * @param {Number} pos - * @api private - */ - - function parseLinkDestination(state, pos) { - var code, level, link, - start = pos, - max = state.posMax; - - if (state.src.charCodeAt(pos) === 0x3C /* < */) { - pos++; - while (pos < max) { - code = state.src.charCodeAt(pos); - if (code === 0x0A /* \n */) { return false; } - if (code === 0x3E /* > */) { - link = normalizeLink(unescapeMd(state.src.slice(start + 1, pos))); - if (!state.parser.validateLink(link)) { return false; } - state.pos = pos + 1; - state.linkContent = link; - return true; - } - if (code === 0x5C /* \ */ && pos + 1 < max) { - pos += 2; - continue; - } - - pos++; - } - - // no closing '>' - return false; - } - - // this should be ... } else { ... branch - - level = 0; - while (pos < max) { - code = state.src.charCodeAt(pos); - - if (code === 0x20) { break; } - - // ascii control chars - if (code < 0x20 || code === 0x7F) { break; } - - if (code === 0x5C /* \ */ && pos + 1 < max) { - pos += 2; - continue; - } - - if (code === 0x28 /* ( */) { - level++; - if (level > 1) { break; } - } - - if (code === 0x29 /* ) */) { - level--; - if (level < 0) { break; } - } - - pos++; - } - - if (start === pos) { return false; } - - link = unescapeMd(state.src.slice(start, pos)); - if (!state.parser.validateLink(link)) { return false; } - - state.linkContent = link; - state.pos = pos; - return true; - } - - /** - * Parse link title - * - * - on success it returns a string and updates state.pos; - * - on failure it returns null - * - * @param {Object} state - * @param {Number} pos - * @api private - */ - - function parseLinkTitle(state, pos) { - var code, - start = pos, - max = state.posMax, - marker = state.src.charCodeAt(pos); - - if (marker !== 0x22 /* " */ && marker !== 0x27 /* ' */ && marker !== 0x28 /* ( */) { return false; } - - pos++; - - // if opening marker is "(", switch it to closing marker ")" - if (marker === 0x28) { marker = 0x29; } - - while (pos < max) { - code = state.src.charCodeAt(pos); - if (code === marker) { - state.pos = pos + 1; - state.linkContent = unescapeMd(state.src.slice(start + 1, pos)); - return true; - } - if (code === 0x5C /* \ */ && pos + 1 < max) { - pos += 2; - continue; - } - - pos++; - } - - return false; - } - - function normalizeReference(str) { - // use .toUpperCase() instead of .toLowerCase() - // here to avoid a conflict with Object.prototype - // members (most notably, `__proto__`) - return str.trim().replace(/\s+/g, ' ').toUpperCase(); - } - - function parseReference(str, parser, options, env) { - var state, labelEnd, pos, max, code, start, href, title, label; - - if (str.charCodeAt(0) !== 0x5B/* [ */) { return -1; } - - if (str.indexOf(']:') === -1) { return -1; } - - state = new StateInline(str, parser, options, env, []); - labelEnd = parseLinkLabel(state, 0); - - if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 0x3A/* : */) { return -1; } - - max = state.posMax; - - // [label]: destination 'title' - // ^^^ skip optional whitespace here - for (pos = labelEnd + 2; pos < max; pos++) { - code = state.src.charCodeAt(pos); - if (code !== 0x20 && code !== 0x0A) { break; } - } - - // [label]: destination 'title' - // ^^^^^^^^^^^ parse this - if (!parseLinkDestination(state, pos)) { return -1; } - href = state.linkContent; - pos = state.pos; - - // [label]: destination 'title' - // ^^^ skipping those spaces - start = pos; - for (pos = pos + 1; pos < max; pos++) { - code = state.src.charCodeAt(pos); - if (code !== 0x20 && code !== 0x0A) { break; } - } - - // [label]: destination 'title' - // ^^^^^^^ parse this - if (pos < max && start !== pos && parseLinkTitle(state, pos)) { - title = state.linkContent; - pos = state.pos; - } else { - title = ''; - pos = start; - } - - // ensure that the end of the line is empty - while (pos < max && state.src.charCodeAt(pos) === 0x20/* space */) { pos++; } - if (pos < max && state.src.charCodeAt(pos) !== 0x0A) { return -1; } - - label = normalizeReference(str.slice(1, labelEnd)); - if (typeof env.references[label] === 'undefined') { - env.references[label] = { title: title, href: href }; - } - - return pos; - } - - - function references(state) { - var tokens = state.tokens, i, l, content, pos; - - state.env.references = state.env.references || {}; - - if (state.inlineMode) { - return; - } - - // Scan definitions in paragraph inlines - for (i = 1, l = tokens.length - 1; i < l; i++) { - if (tokens[i].type === 'inline' && - tokens[i - 1].type === 'paragraph_open' && - tokens[i + 1].type === 'paragraph_close') { - - content = tokens[i].content; - while (content.length) { - pos = parseReference(content, state.inline, state.options, state.env); - if (pos < 0) { break; } - content = content.slice(pos).trim(); - } - - tokens[i].content = content; - if (!content.length) { - tokens[i - 1].tight = true; - tokens[i + 1].tight = true; - } - } - } - } - - function inline(state) { - var tokens = state.tokens, tok, i, l; - - // Parse inlines - for (i = 0, l = tokens.length; i < l; i++) { - tok = tokens[i]; - if (tok.type === 'inline') { - state.inline.parse(tok.content, state.options, state.env, tok.children); - } - } - } - - function footnote_block(state) { - var i, l, j, t, lastParagraph, list, tokens, current, currentLabel, - level = 0, - insideRef = false, - refTokens = {}; - - if (!state.env.footnotes) { return; } - - state.tokens = state.tokens.filter(function(tok) { - if (tok.type === 'footnote_reference_open') { - insideRef = true; - current = []; - currentLabel = tok.label; - return false; - } - if (tok.type === 'footnote_reference_close') { - insideRef = false; - // prepend ':' to avoid conflict with Object.prototype members - refTokens[':' + currentLabel] = current; - return false; - } - if (insideRef) { current.push(tok); } - return !insideRef; - }); - - if (!state.env.footnotes.list) { return; } - list = state.env.footnotes.list; - - state.tokens.push({ - type: 'footnote_block_open', - level: level++ - }); - for (i = 0, l = list.length; i < l; i++) { - state.tokens.push({ - type: 'footnote_open', - id: i, - level: level++ - }); - - if (list[i].tokens) { - tokens = []; - tokens.push({ - type: 'paragraph_open', - tight: false, - level: level++ - }); - tokens.push({ - type: 'inline', - content: '', - level: level, - children: list[i].tokens - }); - tokens.push({ - type: 'paragraph_close', - tight: false, - level: --level - }); - } else if (list[i].label) { - tokens = refTokens[':' + list[i].label]; - } - - state.tokens = state.tokens.concat(tokens); - if (state.tokens[state.tokens.length - 1].type === 'paragraph_close') { - lastParagraph = state.tokens.pop(); - } else { - lastParagraph = null; - } - - t = list[i].count > 0 ? list[i].count : 1; - for (j = 0; j < t; j++) { - state.tokens.push({ - type: 'footnote_anchor', - id: i, - subId: j, - level: level - }); - } - - if (lastParagraph) { - state.tokens.push(lastParagraph); - } - - state.tokens.push({ - type: 'footnote_close', - level: --level - }); - } - state.tokens.push({ - type: 'footnote_block_close', - level: --level - }); - } - - // Enclose abbreviations in tags - // - - var PUNCT_CHARS = ' \n()[]\'".,!?-'; - - - // from Google closure library - // http://closure-library.googlecode.com/git-history/docs/local_closure_goog_string_string.js.source.html#line1021 - function regEscape(s) { - return s.replace(/([-()\[\]{}+?*.$\^|,:#= 0; i--) { - token = tokens[i]; - if (token.type !== 'text') { continue; } - - pos = 0; - text = token.content; - reg.lastIndex = 0; - level = token.level; - nodes = []; - - while ((m = reg.exec(text))) { - if (reg.lastIndex > pos) { - nodes.push({ - type: 'text', - content: text.slice(pos, m.index + m[1].length), - level: level - }); - } - - nodes.push({ - type: 'abbr_open', - title: state.env.abbreviations[':' + m[2]], - level: level++ - }); - nodes.push({ - type: 'text', - content: m[2], - level: level - }); - nodes.push({ - type: 'abbr_close', - level: --level - }); - pos = reg.lastIndex - m[3].length; - } - - if (!nodes.length) { continue; } - - if (pos < text.length) { - nodes.push({ - type: 'text', - content: text.slice(pos), - level: level - }); - } - - // replace current node - blockTokens[j].children = tokens = [].concat(tokens.slice(0, i), nodes, tokens.slice(i + 1)); - } - } - } - - // Simple typographical replacements - // - // TODO: - // - fractionals 1/2, 1/4, 3/4 -> ½, ¼, ¾ - // - miltiplication 2 x 4 -> 2 × 4 - - var RARE_RE = /\+-|\.\.|\?\?\?\?|!!!!|,,|--/; - - var SCOPED_ABBR_RE = /\((c|tm|r|p)\)/ig; - var SCOPED_ABBR = { - 'c': '©', - 'r': '®', - 'p': '§', - 'tm': '™' - }; - - function replaceScopedAbbr(str) { - if (str.indexOf('(') < 0) { return str; } - - return str.replace(SCOPED_ABBR_RE, function(match, name) { - return SCOPED_ABBR[name.toLowerCase()]; - }); - } - - - function replace(state) { - var i, token, text, inlineTokens, blkIdx; - - if (!state.options.typographer) { return; } - - for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) { - - if (state.tokens[blkIdx].type !== 'inline') { continue; } - - inlineTokens = state.tokens[blkIdx].children; - - for (i = inlineTokens.length - 1; i >= 0; i--) { - token = inlineTokens[i]; - if (token.type === 'text') { - text = token.content; - - text = replaceScopedAbbr(text); - - if (RARE_RE.test(text)) { - text = text - .replace(/\+-/g, '±') - // .., ..., ....... -> … - // but ?..... & !..... -> ?.. & !.. - .replace(/\.{2,}/g, '…').replace(/([?!])…/g, '$1..') - .replace(/([?!]){4,}/g, '$1$1$1').replace(/,{2,}/g, ',') - // em-dash - .replace(/(^|[^-])---([^-]|$)/mg, '$1\u2014$2') - // en-dash - .replace(/(^|\s)--(\s|$)/mg, '$1\u2013$2') - .replace(/(^|[^-\s])--([^-\s]|$)/mg, '$1\u2013$2'); - } - - token.content = text; - } - } - } - } - - // Convert straight quotation marks to typographic ones - // - - var QUOTE_TEST_RE = /['"]/; - var QUOTE_RE = /['"]/g; - var PUNCT_RE = /[-\s()\[\]]/; - var APOSTROPHE = '’'; - - // This function returns true if the character at `pos` - // could be inside a word. - function isLetter(str, pos) { - if (pos < 0 || pos >= str.length) { return false; } - return !PUNCT_RE.test(str[pos]); - } - - - function replaceAt(str, index, ch) { - return str.substr(0, index) + ch + str.substr(index + 1); - } - - - function smartquotes(state) { - /*eslint max-depth:0*/ - var i, token, text, t, pos, max, thisLevel, lastSpace, nextSpace, item, - canOpen, canClose, j, isSingle, blkIdx, tokens, - stack; - - if (!state.options.typographer) { return; } - - stack = []; - - for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) { - - if (state.tokens[blkIdx].type !== 'inline') { continue; } - - tokens = state.tokens[blkIdx].children; - stack.length = 0; - - for (i = 0; i < tokens.length; i++) { - token = tokens[i]; - - if (token.type !== 'text' || QUOTE_TEST_RE.test(token.text)) { continue; } - - thisLevel = tokens[i].level; - - for (j = stack.length - 1; j >= 0; j--) { - if (stack[j].level <= thisLevel) { break; } - } - stack.length = j + 1; - - text = token.content; - pos = 0; - max = text.length; - - /*eslint no-labels:0,block-scoped-var:0*/ - OUTER: - while (pos < max) { - QUOTE_RE.lastIndex = pos; - t = QUOTE_RE.exec(text); - if (!t) { break; } - - lastSpace = !isLetter(text, t.index - 1); - pos = t.index + 1; - isSingle = (t[0] === "'"); - nextSpace = !isLetter(text, pos); - - if (!nextSpace && !lastSpace) { - // middle of word - if (isSingle) { - token.content = replaceAt(token.content, t.index, APOSTROPHE); - } - continue; - } - - canOpen = !nextSpace; - canClose = !lastSpace; - - if (canClose) { - // this could be a closing quote, rewind the stack to get a match - for (j = stack.length - 1; j >= 0; j--) { - item = stack[j]; - if (stack[j].level < thisLevel) { break; } - if (item.single === isSingle && stack[j].level === thisLevel) { - item = stack[j]; - if (isSingle) { - tokens[item.token].content = replaceAt(tokens[item.token].content, item.pos, state.options.quotes[2]); - token.content = replaceAt(token.content, t.index, state.options.quotes[3]); - } else { - tokens[item.token].content = replaceAt(tokens[item.token].content, item.pos, state.options.quotes[0]); - token.content = replaceAt(token.content, t.index, state.options.quotes[1]); - } - stack.length = j; - continue OUTER; - } - } - } - - if (canOpen) { - stack.push({ - token: i, - pos: t.index, - single: isSingle, - level: thisLevel - }); - } else if (canClose && isSingle) { - token.content = replaceAt(token.content, t.index, APOSTROPHE); - } - } - } - } - } - - /** - * Core parser `rules` - */ - - var _rules = [ - [ 'block', block ], - [ 'abbr', abbr ], - [ 'references', references ], - [ 'inline', inline ], - [ 'footnote_tail', footnote_block ], - [ 'abbr2', abbr2 ], - [ 'replacements', replace ], - [ 'smartquotes', smartquotes ], - ]; - - /** - * Class for top level (`core`) parser rules - * - * @api private - */ - - function Core() { - this.options = {}; - this.ruler = new Ruler(); - for (var i = 0; i < _rules.length; i++) { - this.ruler.push(_rules[i][0], _rules[i][1]); - } - } - - /** - * Process rules with the given `state` - * - * @param {Object} `state` - * @api private - */ - - Core.prototype.process = function (state) { - var i, l, rules; - rules = this.ruler.getRules(''); - for (i = 0, l = rules.length; i < l; i++) { - rules[i](state); - } - }; - - // Parser state class - - function StateBlock(src, parser, options, env, tokens) { - var ch, s, start, pos, len, indent, indent_found; - - this.src = src; - - // Shortcuts to simplify nested calls - this.parser = parser; - - this.options = options; - - this.env = env; - - // - // Internal state vartiables - // - - this.tokens = tokens; - - this.bMarks = []; // line begin offsets for fast jumps - this.eMarks = []; // line end offsets for fast jumps - this.tShift = []; // indent for each line - - // block parser variables - this.blkIndent = 0; // required block content indent - // (for example, if we are in list) - this.line = 0; // line index in src - this.lineMax = 0; // lines count - this.tight = false; // loose/tight mode for lists - this.parentType = 'root'; // if `list`, block parser stops on two newlines - this.ddIndent = -1; // indent of the current dd block (-1 if there isn't any) - - this.level = 0; - - // renderer - this.result = ''; - - // Create caches - // Generate markers. - s = this.src; - indent = 0; - indent_found = false; - - for (start = pos = indent = 0, len = s.length; pos < len; pos++) { - ch = s.charCodeAt(pos); - - if (!indent_found) { - if (ch === 0x20/* space */) { - indent++; - continue; - } else { - indent_found = true; - } - } - - if (ch === 0x0A || pos === len - 1) { - if (ch !== 0x0A) { pos++; } - this.bMarks.push(start); - this.eMarks.push(pos); - this.tShift.push(indent); - - indent_found = false; - indent = 0; - start = pos + 1; - } - } - - // Push fake entry to simplify cache bounds checks - this.bMarks.push(s.length); - this.eMarks.push(s.length); - this.tShift.push(0); - - this.lineMax = this.bMarks.length - 1; // don't count last fake line - } - - StateBlock.prototype.isEmpty = function isEmpty(line) { - return this.bMarks[line] + this.tShift[line] >= this.eMarks[line]; - }; - - StateBlock.prototype.skipEmptyLines = function skipEmptyLines(from) { - for (var max = this.lineMax; from < max; from++) { - if (this.bMarks[from] + this.tShift[from] < this.eMarks[from]) { - break; - } - } - return from; - }; - - // Skip spaces from given position. - StateBlock.prototype.skipSpaces = function skipSpaces(pos) { - for (var max = this.src.length; pos < max; pos++) { - if (this.src.charCodeAt(pos) !== 0x20/* space */) { break; } - } - return pos; - }; - - // Skip char codes from given position - StateBlock.prototype.skipChars = function skipChars(pos, code) { - for (var max = this.src.length; pos < max; pos++) { - if (this.src.charCodeAt(pos) !== code) { break; } - } - return pos; - }; - - // Skip char codes reverse from given position - 1 - StateBlock.prototype.skipCharsBack = function skipCharsBack(pos, code, min) { - if (pos <= min) { return pos; } - - while (pos > min) { - if (code !== this.src.charCodeAt(--pos)) { return pos + 1; } - } - return pos; - }; - - // cut lines range from source. - StateBlock.prototype.getLines = function getLines(begin, end, indent, keepLastLF) { - var i, first, last, queue, shift, - line = begin; - - if (begin >= end) { - return ''; - } - - // Opt: don't use push queue for single line; - if (line + 1 === end) { - first = this.bMarks[line] + Math.min(this.tShift[line], indent); - last = keepLastLF ? this.eMarks[line] + 1 : this.eMarks[line]; - return this.src.slice(first, last); - } - - queue = new Array(end - begin); - - for (i = 0; line < end; line++, i++) { - shift = this.tShift[line]; - if (shift > indent) { shift = indent; } - if (shift < 0) { shift = 0; } - - first = this.bMarks[line] + shift; - - if (line + 1 < end || keepLastLF) { - // No need for bounds check because we have fake entry on tail. - last = this.eMarks[line] + 1; - } else { - last = this.eMarks[line]; - } - - queue[i] = this.src.slice(first, last); - } - - return queue.join(''); - }; - - // Code block (4 spaces padded) - - function code(state, startLine, endLine/*, silent*/) { - var nextLine, last; - - if (state.tShift[startLine] - state.blkIndent < 4) { return false; } - - last = nextLine = startLine + 1; - - while (nextLine < endLine) { - if (state.isEmpty(nextLine)) { - nextLine++; - continue; - } - if (state.tShift[nextLine] - state.blkIndent >= 4) { - nextLine++; - last = nextLine; - continue; - } - break; - } - - state.line = nextLine; - state.tokens.push({ - type: 'code', - content: state.getLines(startLine, last, 4 + state.blkIndent, true), - block: true, - lines: [ startLine, state.line ], - level: state.level - }); - - return true; - } - - // fences (``` lang, ~~~ lang) - - function fences(state, startLine, endLine, silent) { - var marker, len, params, nextLine, mem, - haveEndMarker = false, - pos = state.bMarks[startLine] + state.tShift[startLine], - max = state.eMarks[startLine]; - - if (pos + 3 > max) { return false; } - - marker = state.src.charCodeAt(pos); - - if (marker !== 0x7E/* ~ */ && marker !== 0x60 /* ` */) { - return false; - } - - // scan marker length - mem = pos; - pos = state.skipChars(pos, marker); - - len = pos - mem; - - if (len < 3) { return false; } - - params = state.src.slice(pos, max).trim(); - - if (params.indexOf('`') >= 0) { return false; } - - // Since start is found, we can report success here in validation mode - if (silent) { return true; } - - // search end of block - nextLine = startLine; - - for (;;) { - nextLine++; - if (nextLine >= endLine) { - // unclosed block should be autoclosed by end of document. - // also block seems to be autoclosed by end of parent - break; - } - - pos = mem = state.bMarks[nextLine] + state.tShift[nextLine]; - max = state.eMarks[nextLine]; - - if (pos < max && state.tShift[nextLine] < state.blkIndent) { - // non-empty line with negative indent should stop the list: - // - ``` - // test - break; - } - - if (state.src.charCodeAt(pos) !== marker) { continue; } - - if (state.tShift[nextLine] - state.blkIndent >= 4) { - // closing fence should be indented less than 4 spaces - continue; - } - - pos = state.skipChars(pos, marker); - - // closing code fence must be at least as long as the opening one - if (pos - mem < len) { continue; } - - // make sure tail has spaces only - pos = state.skipSpaces(pos); - - if (pos < max) { continue; } - - haveEndMarker = true; - // found! - break; - } - - // If a fence has heading spaces, they should be removed from its inner block - len = state.tShift[startLine]; - - state.line = nextLine + (haveEndMarker ? 1 : 0); - state.tokens.push({ - type: 'fence', - params: params, - content: state.getLines(startLine + 1, nextLine, len, true), - lines: [ startLine, state.line ], - level: state.level - }); - - return true; - } - - // Block quotes - - function blockquote(state, startLine, endLine, silent) { - var nextLine, lastLineEmpty, oldTShift, oldBMarks, oldIndent, oldParentType, lines, - terminatorRules, - i, l, terminate, - pos = state.bMarks[startLine] + state.tShift[startLine], - max = state.eMarks[startLine]; - - if (pos > max) { return false; } - - // check the block quote marker - if (state.src.charCodeAt(pos++) !== 0x3E/* > */) { return false; } - - if (state.level >= state.options.maxNesting) { return false; } - - // we know that it's going to be a valid blockquote, - // so no point trying to find the end of it in silent mode - if (silent) { return true; } - - // skip one optional space after '>' - if (state.src.charCodeAt(pos) === 0x20) { pos++; } - - oldIndent = state.blkIndent; - state.blkIndent = 0; - - oldBMarks = [ state.bMarks[startLine] ]; - state.bMarks[startLine] = pos; - - // check if we have an empty blockquote - pos = pos < max ? state.skipSpaces(pos) : pos; - lastLineEmpty = pos >= max; - - oldTShift = [ state.tShift[startLine] ]; - state.tShift[startLine] = pos - state.bMarks[startLine]; - - terminatorRules = state.parser.ruler.getRules('blockquote'); - - // Search the end of the block - // - // Block ends with either: - // 1. an empty line outside: - // ``` - // > test - // - // ``` - // 2. an empty line inside: - // ``` - // > - // test - // ``` - // 3. another tag - // ``` - // > test - // - - - - // ``` - for (nextLine = startLine + 1; nextLine < endLine; nextLine++) { - pos = state.bMarks[nextLine] + state.tShift[nextLine]; - max = state.eMarks[nextLine]; - - if (pos >= max) { - // Case 1: line is not inside the blockquote, and this line is empty. - break; - } - - if (state.src.charCodeAt(pos++) === 0x3E/* > */) { - // This line is inside the blockquote. - - // skip one optional space after '>' - if (state.src.charCodeAt(pos) === 0x20) { pos++; } - - oldBMarks.push(state.bMarks[nextLine]); - state.bMarks[nextLine] = pos; - - pos = pos < max ? state.skipSpaces(pos) : pos; - lastLineEmpty = pos >= max; - - oldTShift.push(state.tShift[nextLine]); - state.tShift[nextLine] = pos - state.bMarks[nextLine]; - continue; - } - - // Case 2: line is not inside the blockquote, and the last line was empty. - if (lastLineEmpty) { break; } - - // Case 3: another tag found. - terminate = false; - for (i = 0, l = terminatorRules.length; i < l; i++) { - if (terminatorRules[i](state, nextLine, endLine, true)) { - terminate = true; - break; - } - } - if (terminate) { break; } - - oldBMarks.push(state.bMarks[nextLine]); - oldTShift.push(state.tShift[nextLine]); - - // A negative number means that this is a paragraph continuation; - // - // Any negative number will do the job here, but it's better for it - // to be large enough to make any bugs obvious. - state.tShift[nextLine] = -1337; - } - - oldParentType = state.parentType; - state.parentType = 'blockquote'; - state.tokens.push({ - type: 'blockquote_open', - lines: lines = [ startLine, 0 ], - level: state.level++ - }); - state.parser.tokenize(state, startLine, nextLine); - state.tokens.push({ - type: 'blockquote_close', - level: --state.level - }); - state.parentType = oldParentType; - lines[1] = state.line; - - // Restore original tShift; this might not be necessary since the parser - // has already been here, but just to make sure we can do that. - for (i = 0; i < oldTShift.length; i++) { - state.bMarks[i + startLine] = oldBMarks[i]; - state.tShift[i + startLine] = oldTShift[i]; - } - state.blkIndent = oldIndent; - - return true; - } - - // Horizontal rule - - function hr(state, startLine, endLine, silent) { - var marker, cnt, ch, - pos = state.bMarks[startLine], - max = state.eMarks[startLine]; - - pos += state.tShift[startLine]; - - if (pos > max) { return false; } - - marker = state.src.charCodeAt(pos++); - - // Check hr marker - if (marker !== 0x2A/* * */ && - marker !== 0x2D/* - */ && - marker !== 0x5F/* _ */) { - return false; - } - - // markers can be mixed with spaces, but there should be at least 3 one - - cnt = 1; - while (pos < max) { - ch = state.src.charCodeAt(pos++); - if (ch !== marker && ch !== 0x20/* space */) { return false; } - if (ch === marker) { cnt++; } - } - - if (cnt < 3) { return false; } - - if (silent) { return true; } - - state.line = startLine + 1; - state.tokens.push({ - type: 'hr', - lines: [ startLine, state.line ], - level: state.level - }); - - return true; - } - - // Lists - - // Search `[-+*][\n ]`, returns next pos arter marker on success - // or -1 on fail. - function skipBulletListMarker(state, startLine) { - var marker, pos, max; - - pos = state.bMarks[startLine] + state.tShift[startLine]; - max = state.eMarks[startLine]; - - if (pos >= max) { return -1; } - - marker = state.src.charCodeAt(pos++); - // Check bullet - if (marker !== 0x2A/* * */ && - marker !== 0x2D/* - */ && - marker !== 0x2B/* + */) { - return -1; - } - - if (pos < max && state.src.charCodeAt(pos) !== 0x20) { - // " 1.test " - is not a list item - return -1; - } - - return pos; - } - - // Search `\d+[.)][\n ]`, returns next pos arter marker on success - // or -1 on fail. - function skipOrderedListMarker(state, startLine) { - var ch, - pos = state.bMarks[startLine] + state.tShift[startLine], - max = state.eMarks[startLine]; - - if (pos + 1 >= max) { return -1; } - - ch = state.src.charCodeAt(pos++); - - if (ch < 0x30/* 0 */ || ch > 0x39/* 9 */) { return -1; } - - for (;;) { - // EOL -> fail - if (pos >= max) { return -1; } - - ch = state.src.charCodeAt(pos++); - - if (ch >= 0x30/* 0 */ && ch <= 0x39/* 9 */) { - continue; - } - - // found valid marker - if (ch === 0x29/* ) */ || ch === 0x2e/* . */) { - break; - } - - return -1; - } - - - if (pos < max && state.src.charCodeAt(pos) !== 0x20/* space */) { - // " 1.test " - is not a list item - return -1; - } - return pos; - } - - function markTightParagraphs(state, idx) { - var i, l, - level = state.level + 2; - - for (i = idx + 2, l = state.tokens.length - 2; i < l; i++) { - if (state.tokens[i].level === level && state.tokens[i].type === 'paragraph_open') { - state.tokens[i + 2].tight = true; - state.tokens[i].tight = true; - i += 2; - } - } - } - - - function list(state, startLine, endLine, silent) { - var nextLine, - indent, - oldTShift, - oldIndent, - oldTight, - oldParentType, - start, - posAfterMarker, - max, - indentAfterMarker, - markerValue, - markerCharCode, - isOrdered, - contentStart, - listTokIdx, - prevEmptyEnd, - listLines, - itemLines, - tight = true, - terminatorRules, - i, l, terminate; - - // Detect list type and position after marker - if ((posAfterMarker = skipOrderedListMarker(state, startLine)) >= 0) { - isOrdered = true; - } else if ((posAfterMarker = skipBulletListMarker(state, startLine)) >= 0) { - isOrdered = false; - } else { - return false; - } - - if (state.level >= state.options.maxNesting) { return false; } - - // We should terminate list on style change. Remember first one to compare. - markerCharCode = state.src.charCodeAt(posAfterMarker - 1); - - // For validation mode we can terminate immediately - if (silent) { return true; } - - // Start list - listTokIdx = state.tokens.length; - - if (isOrdered) { - start = state.bMarks[startLine] + state.tShift[startLine]; - markerValue = Number(state.src.substr(start, posAfterMarker - start - 1)); - - state.tokens.push({ - type: 'ordered_list_open', - order: markerValue, - lines: listLines = [ startLine, 0 ], - level: state.level++ - }); - - } else { - state.tokens.push({ - type: 'bullet_list_open', - lines: listLines = [ startLine, 0 ], - level: state.level++ - }); - } - - // - // Iterate list items - // - - nextLine = startLine; - prevEmptyEnd = false; - terminatorRules = state.parser.ruler.getRules('list'); - - while (nextLine < endLine) { - contentStart = state.skipSpaces(posAfterMarker); - max = state.eMarks[nextLine]; - - if (contentStart >= max) { - // trimming space in "- \n 3" case, indent is 1 here - indentAfterMarker = 1; - } else { - indentAfterMarker = contentStart - posAfterMarker; - } - - // If we have more than 4 spaces, the indent is 1 - // (the rest is just indented code block) - if (indentAfterMarker > 4) { indentAfterMarker = 1; } - - // If indent is less than 1, assume that it's one, example: - // "-\n test" - if (indentAfterMarker < 1) { indentAfterMarker = 1; } - - // " - test" - // ^^^^^ - calculating total length of this thing - indent = (posAfterMarker - state.bMarks[nextLine]) + indentAfterMarker; - - // Run subparser & write tokens - state.tokens.push({ - type: 'list_item_open', - lines: itemLines = [ startLine, 0 ], - level: state.level++ - }); - - oldIndent = state.blkIndent; - oldTight = state.tight; - oldTShift = state.tShift[startLine]; - oldParentType = state.parentType; - state.tShift[startLine] = contentStart - state.bMarks[startLine]; - state.blkIndent = indent; - state.tight = true; - state.parentType = 'list'; - - state.parser.tokenize(state, startLine, endLine, true); - - // If any of list item is tight, mark list as tight - if (!state.tight || prevEmptyEnd) { - tight = false; - } - // Item become loose if finish with empty line, - // but we should filter last element, because it means list finish - prevEmptyEnd = (state.line - startLine) > 1 && state.isEmpty(state.line - 1); - - state.blkIndent = oldIndent; - state.tShift[startLine] = oldTShift; - state.tight = oldTight; - state.parentType = oldParentType; - - state.tokens.push({ - type: 'list_item_close', - level: --state.level - }); - - nextLine = startLine = state.line; - itemLines[1] = nextLine; - contentStart = state.bMarks[startLine]; - - if (nextLine >= endLine) { break; } - - if (state.isEmpty(nextLine)) { - break; - } - - // - // Try to check if list is terminated or continued. - // - if (state.tShift[nextLine] < state.blkIndent) { break; } - - // fail if terminating block found - terminate = false; - for (i = 0, l = terminatorRules.length; i < l; i++) { - if (terminatorRules[i](state, nextLine, endLine, true)) { - terminate = true; - break; - } - } - if (terminate) { break; } - - // fail if list has another type - if (isOrdered) { - posAfterMarker = skipOrderedListMarker(state, nextLine); - if (posAfterMarker < 0) { break; } - } else { - posAfterMarker = skipBulletListMarker(state, nextLine); - if (posAfterMarker < 0) { break; } - } - - if (markerCharCode !== state.src.charCodeAt(posAfterMarker - 1)) { break; } - } - - // Finilize list - state.tokens.push({ - type: isOrdered ? 'ordered_list_close' : 'bullet_list_close', - level: --state.level - }); - listLines[1] = nextLine; - - state.line = nextLine; - - // mark paragraphs tight if needed - if (tight) { - markTightParagraphs(state, listTokIdx); - } - - return true; - } - - // Process footnote reference list - - function footnote(state, startLine, endLine, silent) { - var oldBMark, oldTShift, oldParentType, pos, label, - start = state.bMarks[startLine] + state.tShift[startLine], - max = state.eMarks[startLine]; - - // line should be at least 5 chars - "[^x]:" - if (start + 4 > max) { return false; } - - if (state.src.charCodeAt(start) !== 0x5B/* [ */) { return false; } - if (state.src.charCodeAt(start + 1) !== 0x5E/* ^ */) { return false; } - if (state.level >= state.options.maxNesting) { return false; } - - for (pos = start + 2; pos < max; pos++) { - if (state.src.charCodeAt(pos) === 0x20) { return false; } - if (state.src.charCodeAt(pos) === 0x5D /* ] */) { - break; - } - } - - if (pos === start + 2) { return false; } // no empty footnote labels - if (pos + 1 >= max || state.src.charCodeAt(++pos) !== 0x3A /* : */) { return false; } - if (silent) { return true; } - pos++; - - if (!state.env.footnotes) { state.env.footnotes = {}; } - if (!state.env.footnotes.refs) { state.env.footnotes.refs = {}; } - label = state.src.slice(start + 2, pos - 2); - state.env.footnotes.refs[':' + label] = -1; - - state.tokens.push({ - type: 'footnote_reference_open', - label: label, - level: state.level++ - }); - - oldBMark = state.bMarks[startLine]; - oldTShift = state.tShift[startLine]; - oldParentType = state.parentType; - state.tShift[startLine] = state.skipSpaces(pos) - pos; - state.bMarks[startLine] = pos; - state.blkIndent += 4; - state.parentType = 'footnote'; - - if (state.tShift[startLine] < state.blkIndent) { - state.tShift[startLine] += state.blkIndent; - state.bMarks[startLine] -= state.blkIndent; - } - - state.parser.tokenize(state, startLine, endLine, true); - - state.parentType = oldParentType; - state.blkIndent -= 4; - state.tShift[startLine] = oldTShift; - state.bMarks[startLine] = oldBMark; - - state.tokens.push({ - type: 'footnote_reference_close', - level: --state.level - }); - - return true; - } - - // heading (#, ##, ...) - - function heading(state, startLine, endLine, silent) { - var ch, level, tmp, - pos = state.bMarks[startLine] + state.tShift[startLine], - max = state.eMarks[startLine]; - - if (pos >= max) { return false; } - - ch = state.src.charCodeAt(pos); - - if (ch !== 0x23/* # */ || pos >= max) { return false; } - - // count heading level - level = 1; - ch = state.src.charCodeAt(++pos); - while (ch === 0x23/* # */ && pos < max && level <= 6) { - level++; - ch = state.src.charCodeAt(++pos); - } - - if (level > 6 || (pos < max && ch !== 0x20/* space */)) { return false; } - - if (silent) { return true; } - - // Let's cut tails like ' ### ' from the end of string - - max = state.skipCharsBack(max, 0x20, pos); // space - tmp = state.skipCharsBack(max, 0x23, pos); // # - if (tmp > pos && state.src.charCodeAt(tmp - 1) === 0x20/* space */) { - max = tmp; - } - - state.line = startLine + 1; - - state.tokens.push({ type: 'heading_open', - hLevel: level, - lines: [ startLine, state.line ], - level: state.level - }); - - // only if header is not empty - if (pos < max) { - state.tokens.push({ - type: 'inline', - content: state.src.slice(pos, max).trim(), - level: state.level + 1, - lines: [ startLine, state.line ], - children: [] - }); - } - state.tokens.push({ type: 'heading_close', hLevel: level, level: state.level }); - - return true; - } - - // lheading (---, ===) - - function lheading(state, startLine, endLine/*, silent*/) { - var marker, pos, max, - next = startLine + 1; - - if (next >= endLine) { return false; } - if (state.tShift[next] < state.blkIndent) { return false; } - - // Scan next line - - if (state.tShift[next] - state.blkIndent > 3) { return false; } - - pos = state.bMarks[next] + state.tShift[next]; - max = state.eMarks[next]; - - if (pos >= max) { return false; } - - marker = state.src.charCodeAt(pos); - - if (marker !== 0x2D/* - */ && marker !== 0x3D/* = */) { return false; } - - pos = state.skipChars(pos, marker); - - pos = state.skipSpaces(pos); - - if (pos < max) { return false; } - - pos = state.bMarks[startLine] + state.tShift[startLine]; - - state.line = next + 1; - state.tokens.push({ - type: 'heading_open', - hLevel: marker === 0x3D/* = */ ? 1 : 2, - lines: [ startLine, state.line ], - level: state.level - }); - state.tokens.push({ - type: 'inline', - content: state.src.slice(pos, state.eMarks[startLine]).trim(), - level: state.level + 1, - lines: [ startLine, state.line - 1 ], - children: [] - }); - state.tokens.push({ - type: 'heading_close', - hLevel: marker === 0x3D/* = */ ? 1 : 2, - level: state.level - }); - - return true; - } - - // List of valid html blocks names, accorting to commonmark spec - // http://jgm.github.io/CommonMark/spec.html#html-blocks - - var html_blocks = {}; - - [ - 'article', - 'aside', - 'button', - 'blockquote', - 'body', - 'canvas', - 'caption', - 'col', - 'colgroup', - 'dd', - 'div', - 'dl', - 'dt', - 'embed', - 'fieldset', - 'figcaption', - 'figure', - 'footer', - 'form', - 'h1', - 'h2', - 'h3', - 'h4', - 'h5', - 'h6', - 'header', - 'hgroup', - 'hr', - 'iframe', - 'li', - 'map', - 'object', - 'ol', - 'output', - 'p', - 'pre', - 'progress', - 'script', - 'section', - 'style', - 'table', - 'tbody', - 'td', - 'textarea', - 'tfoot', - 'th', - 'tr', - 'thead', - 'ul', - 'video' - ].forEach(function (name) { html_blocks[name] = true; }); - - // HTML block - - - var HTML_TAG_OPEN_RE = /^<([a-zA-Z]{1,15})[\s\/>]/; - var HTML_TAG_CLOSE_RE = /^<\/([a-zA-Z]{1,15})[\s>]/; - - function isLetter$1(ch) { - /*eslint no-bitwise:0*/ - var lc = ch | 0x20; // to lower case - return (lc >= 0x61/* a */) && (lc <= 0x7a/* z */); - } - - function htmlblock(state, startLine, endLine, silent) { - var ch, match, nextLine, - pos = state.bMarks[startLine], - max = state.eMarks[startLine], - shift = state.tShift[startLine]; - - pos += shift; - - if (!state.options.html) { return false; } - - if (shift > 3 || pos + 2 >= max) { return false; } - - if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; } - - ch = state.src.charCodeAt(pos + 1); - - if (ch === 0x21/* ! */ || ch === 0x3F/* ? */) { - // Directive start / comment start / processing instruction start - if (silent) { return true; } - - } else if (ch === 0x2F/* / */ || isLetter$1(ch)) { - - // Probably start or end of tag - if (ch === 0x2F/* \ */) { - // closing tag - match = state.src.slice(pos, max).match(HTML_TAG_CLOSE_RE); - if (!match) { return false; } - } else { - // opening tag - match = state.src.slice(pos, max).match(HTML_TAG_OPEN_RE); - if (!match) { return false; } - } - // Make sure tag name is valid - if (html_blocks[match[1].toLowerCase()] !== true) { return false; } - if (silent) { return true; } - - } else { - return false; - } - - // If we are here - we detected HTML block. - // Let's roll down till empty line (block end). - nextLine = startLine + 1; - while (nextLine < state.lineMax && !state.isEmpty(nextLine)) { - nextLine++; - } - - state.line = nextLine; - state.tokens.push({ - type: 'htmlblock', - level: state.level, - lines: [ startLine, state.line ], - content: state.getLines(startLine, nextLine, 0, true) - }); - - return true; - } - - // GFM table, non-standard - - function getLine(state, line) { - var pos = state.bMarks[line] + state.blkIndent, - max = state.eMarks[line]; - - return state.src.substr(pos, max - pos); - } - - function table(state, startLine, endLine, silent) { - var ch, lineText, pos, i, nextLine, rows, cell, - aligns, t, tableLines, tbodyLines; - - // should have at least three lines - if (startLine + 2 > endLine) { return false; } - - nextLine = startLine + 1; - - if (state.tShift[nextLine] < state.blkIndent) { return false; } - - // first character of the second line should be '|' or '-' - - pos = state.bMarks[nextLine] + state.tShift[nextLine]; - if (pos >= state.eMarks[nextLine]) { return false; } - - ch = state.src.charCodeAt(pos); - if (ch !== 0x7C/* | */ && ch !== 0x2D/* - */ && ch !== 0x3A/* : */) { return false; } - - lineText = getLine(state, startLine + 1); - if (!/^[-:| ]+$/.test(lineText)) { return false; } - - rows = lineText.split('|'); - if (rows <= 2) { return false; } - aligns = []; - for (i = 0; i < rows.length; i++) { - t = rows[i].trim(); - if (!t) { - // allow empty columns before and after table, but not in between columns; - // e.g. allow ` |---| `, disallow ` ---||--- ` - if (i === 0 || i === rows.length - 1) { - continue; - } else { - return false; - } - } - - if (!/^:?-+:?$/.test(t)) { return false; } - if (t.charCodeAt(t.length - 1) === 0x3A/* : */) { - aligns.push(t.charCodeAt(0) === 0x3A/* : */ ? 'center' : 'right'); - } else if (t.charCodeAt(0) === 0x3A/* : */) { - aligns.push('left'); - } else { - aligns.push(''); - } - } - - lineText = getLine(state, startLine).trim(); - if (lineText.indexOf('|') === -1) { return false; } - rows = lineText.replace(/^\||\|$/g, '').split('|'); - if (aligns.length !== rows.length) { return false; } - if (silent) { return true; } - - state.tokens.push({ - type: 'table_open', - lines: tableLines = [ startLine, 0 ], - level: state.level++ - }); - state.tokens.push({ - type: 'thead_open', - lines: [ startLine, startLine + 1 ], - level: state.level++ - }); - - state.tokens.push({ - type: 'tr_open', - lines: [ startLine, startLine + 1 ], - level: state.level++ - }); - for (i = 0; i < rows.length; i++) { - state.tokens.push({ - type: 'th_open', - align: aligns[i], - lines: [ startLine, startLine + 1 ], - level: state.level++ - }); - state.tokens.push({ - type: 'inline', - content: rows[i].trim(), - lines: [ startLine, startLine + 1 ], - level: state.level, - children: [] - }); - state.tokens.push({ type: 'th_close', level: --state.level }); - } - state.tokens.push({ type: 'tr_close', level: --state.level }); - state.tokens.push({ type: 'thead_close', level: --state.level }); - - state.tokens.push({ - type: 'tbody_open', - lines: tbodyLines = [ startLine + 2, 0 ], - level: state.level++ - }); - - for (nextLine = startLine + 2; nextLine < endLine; nextLine++) { - if (state.tShift[nextLine] < state.blkIndent) { break; } - - lineText = getLine(state, nextLine).trim(); - if (lineText.indexOf('|') === -1) { break; } - rows = lineText.replace(/^\||\|$/g, '').split('|'); - - state.tokens.push({ type: 'tr_open', level: state.level++ }); - for (i = 0; i < rows.length; i++) { - state.tokens.push({ type: 'td_open', align: aligns[i], level: state.level++ }); - // 0x7c === '|' - cell = rows[i].substring( - rows[i].charCodeAt(0) === 0x7c ? 1 : 0, - rows[i].charCodeAt(rows[i].length - 1) === 0x7c ? rows[i].length - 1 : rows[i].length - ).trim(); - state.tokens.push({ - type: 'inline', - content: cell, - level: state.level, - children: [] - }); - state.tokens.push({ type: 'td_close', level: --state.level }); - } - state.tokens.push({ type: 'tr_close', level: --state.level }); - } - state.tokens.push({ type: 'tbody_close', level: --state.level }); - state.tokens.push({ type: 'table_close', level: --state.level }); - - tableLines[1] = tbodyLines[1] = nextLine; - state.line = nextLine; - return true; - } - - // Definition lists - - // Search `[:~][\n ]`, returns next pos after marker on success - // or -1 on fail. - function skipMarker(state, line) { - var pos, marker, - start = state.bMarks[line] + state.tShift[line], - max = state.eMarks[line]; - - if (start >= max) { return -1; } - - // Check bullet - marker = state.src.charCodeAt(start++); - if (marker !== 0x7E/* ~ */ && marker !== 0x3A/* : */) { return -1; } - - pos = state.skipSpaces(start); - - // require space after ":" - if (start === pos) { return -1; } - - // no empty definitions, e.g. " : " - if (pos >= max) { return -1; } - - return pos; - } - - function markTightParagraphs$1(state, idx) { - var i, l, - level = state.level + 2; - - for (i = idx + 2, l = state.tokens.length - 2; i < l; i++) { - if (state.tokens[i].level === level && state.tokens[i].type === 'paragraph_open') { - state.tokens[i + 2].tight = true; - state.tokens[i].tight = true; - i += 2; - } - } - } - - function deflist(state, startLine, endLine, silent) { - var contentStart, - ddLine, - dtLine, - itemLines, - listLines, - listTokIdx, - nextLine, - oldIndent, - oldDDIndent, - oldParentType, - oldTShift, - oldTight, - prevEmptyEnd, - tight; - - if (silent) { - // quirk: validation mode validates a dd block only, not a whole deflist - if (state.ddIndent < 0) { return false; } - return skipMarker(state, startLine) >= 0; - } - - nextLine = startLine + 1; - if (state.isEmpty(nextLine)) { - if (++nextLine > endLine) { return false; } - } - - if (state.tShift[nextLine] < state.blkIndent) { return false; } - contentStart = skipMarker(state, nextLine); - if (contentStart < 0) { return false; } - - if (state.level >= state.options.maxNesting) { return false; } - - // Start list - listTokIdx = state.tokens.length; - - state.tokens.push({ - type: 'dl_open', - lines: listLines = [ startLine, 0 ], - level: state.level++ - }); - - // - // Iterate list items - // - - dtLine = startLine; - ddLine = nextLine; - - // One definition list can contain multiple DTs, - // and one DT can be followed by multiple DDs. - // - // Thus, there is two loops here, and label is - // needed to break out of the second one - // - /*eslint no-labels:0,block-scoped-var:0*/ - OUTER: - for (;;) { - tight = true; - prevEmptyEnd = false; - - state.tokens.push({ - type: 'dt_open', - lines: [ dtLine, dtLine ], - level: state.level++ - }); - state.tokens.push({ - type: 'inline', - content: state.getLines(dtLine, dtLine + 1, state.blkIndent, false).trim(), - level: state.level + 1, - lines: [ dtLine, dtLine ], - children: [] - }); - state.tokens.push({ - type: 'dt_close', - level: --state.level - }); - - for (;;) { - state.tokens.push({ - type: 'dd_open', - lines: itemLines = [ nextLine, 0 ], - level: state.level++ - }); - - oldTight = state.tight; - oldDDIndent = state.ddIndent; - oldIndent = state.blkIndent; - oldTShift = state.tShift[ddLine]; - oldParentType = state.parentType; - state.blkIndent = state.ddIndent = state.tShift[ddLine] + 2; - state.tShift[ddLine] = contentStart - state.bMarks[ddLine]; - state.tight = true; - state.parentType = 'deflist'; - - state.parser.tokenize(state, ddLine, endLine, true); - - // If any of list item is tight, mark list as tight - if (!state.tight || prevEmptyEnd) { - tight = false; - } - // Item become loose if finish with empty line, - // but we should filter last element, because it means list finish - prevEmptyEnd = (state.line - ddLine) > 1 && state.isEmpty(state.line - 1); - - state.tShift[ddLine] = oldTShift; - state.tight = oldTight; - state.parentType = oldParentType; - state.blkIndent = oldIndent; - state.ddIndent = oldDDIndent; - - state.tokens.push({ - type: 'dd_close', - level: --state.level - }); - - itemLines[1] = nextLine = state.line; - - if (nextLine >= endLine) { break OUTER; } - - if (state.tShift[nextLine] < state.blkIndent) { break OUTER; } - contentStart = skipMarker(state, nextLine); - if (contentStart < 0) { break; } - - ddLine = nextLine; - - // go to the next loop iteration: - // insert DD tag and repeat checking - } - - if (nextLine >= endLine) { break; } - dtLine = nextLine; - - if (state.isEmpty(dtLine)) { break; } - if (state.tShift[dtLine] < state.blkIndent) { break; } - - ddLine = dtLine + 1; - if (ddLine >= endLine) { break; } - if (state.isEmpty(ddLine)) { ddLine++; } - if (ddLine >= endLine) { break; } - - if (state.tShift[ddLine] < state.blkIndent) { break; } - contentStart = skipMarker(state, ddLine); - if (contentStart < 0) { break; } - - // go to the next loop iteration: - // insert DT and DD tags and repeat checking - } - - // Finilize list - state.tokens.push({ - type: 'dl_close', - level: --state.level - }); - listLines[1] = nextLine; - - state.line = nextLine; - - // mark paragraphs tight if needed - if (tight) { - markTightParagraphs$1(state, listTokIdx); - } - - return true; - } - - // Paragraph - - function paragraph(state, startLine/*, endLine*/) { - var endLine, content, terminate, i, l, - nextLine = startLine + 1, - terminatorRules; - - endLine = state.lineMax; - - // jump line-by-line until empty one or EOF - if (nextLine < endLine && !state.isEmpty(nextLine)) { - terminatorRules = state.parser.ruler.getRules('paragraph'); - - for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) { - // this would be a code block normally, but after paragraph - // it's considered a lazy continuation regardless of what's there - if (state.tShift[nextLine] - state.blkIndent > 3) { continue; } - - // Some tags can terminate paragraph without empty line. - terminate = false; - for (i = 0, l = terminatorRules.length; i < l; i++) { - if (terminatorRules[i](state, nextLine, endLine, true)) { - terminate = true; - break; - } - } - if (terminate) { break; } - } - } - - content = state.getLines(startLine, nextLine, state.blkIndent, false).trim(); - - state.line = nextLine; - if (content.length) { - state.tokens.push({ - type: 'paragraph_open', - tight: false, - lines: [ startLine, state.line ], - level: state.level - }); - state.tokens.push({ - type: 'inline', - content: content, - level: state.level + 1, - lines: [ startLine, state.line ], - children: [] - }); - state.tokens.push({ - type: 'paragraph_close', - tight: false, - level: state.level - }); - } - - return true; - } - - /** - * Parser rules - */ - - var _rules$1 = [ - [ 'code', code ], - [ 'fences', fences, [ 'paragraph', 'blockquote', 'list' ] ], - [ 'blockquote', blockquote, [ 'paragraph', 'blockquote', 'list' ] ], - [ 'hr', hr, [ 'paragraph', 'blockquote', 'list' ] ], - [ 'list', list, [ 'paragraph', 'blockquote' ] ], - [ 'footnote', footnote, [ 'paragraph' ] ], - [ 'heading', heading, [ 'paragraph', 'blockquote' ] ], - [ 'lheading', lheading ], - [ 'htmlblock', htmlblock, [ 'paragraph', 'blockquote' ] ], - [ 'table', table, [ 'paragraph' ] ], - [ 'deflist', deflist, [ 'paragraph' ] ], - [ 'paragraph', paragraph ] - ]; - - /** - * Block Parser class - * - * @api private - */ - - function ParserBlock() { - this.ruler = new Ruler(); - for (var i = 0; i < _rules$1.length; i++) { - this.ruler.push(_rules$1[i][0], _rules$1[i][1], { - alt: (_rules$1[i][2] || []).slice() - }); - } - } - - /** - * Generate tokens for the given input range. - * - * @param {Object} `state` Has properties like `src`, `parser`, `options` etc - * @param {Number} `startLine` - * @param {Number} `endLine` - * @api private - */ - - ParserBlock.prototype.tokenize = function (state, startLine, endLine) { - var rules = this.ruler.getRules(''); - var len = rules.length; - var line = startLine; - var hasEmptyLines = false; - var ok, i; - - while (line < endLine) { - state.line = line = state.skipEmptyLines(line); - if (line >= endLine) { - break; - } - - // Termination condition for nested calls. - // Nested calls currently used for blockquotes & lists - if (state.tShift[line] < state.blkIndent) { - break; - } - - // Try all possible rules. - // On success, rule should: - // - // - update `state.line` - // - update `state.tokens` - // - return true - - for (i = 0; i < len; i++) { - ok = rules[i](state, line, endLine, false); - if (ok) { - break; - } - } - - // set state.tight iff we had an empty line before current tag - // i.e. latest empty line should not count - state.tight = !hasEmptyLines; - - // paragraph might "eat" one newline after it in nested lists - if (state.isEmpty(state.line - 1)) { - hasEmptyLines = true; - } - - line = state.line; - - if (line < endLine && state.isEmpty(line)) { - hasEmptyLines = true; - line++; - - // two empty lines should stop the parser in list mode - if (line < endLine && state.parentType === 'list' && state.isEmpty(line)) { break; } - state.line = line; - } - } - }; - - var TABS_SCAN_RE = /[\n\t]/g; - var NEWLINES_RE = /\r[\n\u0085]|[\u2424\u2028\u0085]/g; - var SPACES_RE = /\u00a0/g; - - /** - * Tokenize the given `str`. - * - * @param {String} `str` Source string - * @param {Object} `options` - * @param {Object} `env` - * @param {Array} `outTokens` - * @api private - */ - - ParserBlock.prototype.parse = function (str, options, env, outTokens) { - var state, lineStart = 0, lastTabPos = 0; - if (!str) { return []; } - - // Normalize spaces - str = str.replace(SPACES_RE, ' '); - - // Normalize newlines - str = str.replace(NEWLINES_RE, '\n'); - - // Replace tabs with proper number of spaces (1..4) - if (str.indexOf('\t') >= 0) { - str = str.replace(TABS_SCAN_RE, function (match, offset) { - var result; - if (str.charCodeAt(offset) === 0x0A) { - lineStart = offset + 1; - lastTabPos = 0; - return match; - } - result = ' '.slice((offset - lineStart - lastTabPos) % 4); - lastTabPos = offset - lineStart + 1; - return result; - }); - } - - state = new StateBlock(str, this, options, env, outTokens); - this.tokenize(state, state.line, state.lineMax); - }; - - // Skip text characters for text token, place those to pending buffer - // and increment current pos - - // Rule to skip pure text - // '{}$%@~+=:' reserved for extentions - - function isTerminatorChar(ch) { - switch (ch) { - case 0x0A/* \n */: - case 0x5C/* \ */: - case 0x60/* ` */: - case 0x2A/* * */: - case 0x5F/* _ */: - case 0x5E/* ^ */: - case 0x5B/* [ */: - case 0x5D/* ] */: - case 0x21/* ! */: - case 0x26/* & */: - case 0x3C/* < */: - case 0x3E/* > */: - case 0x7B/* { */: - case 0x7D/* } */: - case 0x24/* $ */: - case 0x25/* % */: - case 0x40/* @ */: - case 0x7E/* ~ */: - case 0x2B/* + */: - case 0x3D/* = */: - case 0x3A/* : */: - return true; - default: - return false; - } - } - - function text(state, silent) { - var pos = state.pos; - - while (pos < state.posMax && !isTerminatorChar(state.src.charCodeAt(pos))) { - pos++; - } - - if (pos === state.pos) { return false; } - - if (!silent) { state.pending += state.src.slice(state.pos, pos); } - - state.pos = pos; - - return true; - } - - // Proceess '\n' - - function newline(state, silent) { - var pmax, max, pos = state.pos; - - if (state.src.charCodeAt(pos) !== 0x0A/* \n */) { return false; } - - pmax = state.pending.length - 1; - max = state.posMax; - - // ' \n' -> hardbreak - // Lookup in pending chars is bad practice! Don't copy to other rules! - // Pending string is stored in concat mode, indexed lookups will cause - // convertion to flat mode. - if (!silent) { - if (pmax >= 0 && state.pending.charCodeAt(pmax) === 0x20) { - if (pmax >= 1 && state.pending.charCodeAt(pmax - 1) === 0x20) { - // Strip out all trailing spaces on this line. - for (var i = pmax - 2; i >= 0; i--) { - if (state.pending.charCodeAt(i) !== 0x20) { - state.pending = state.pending.substring(0, i + 1); - break; - } - } - state.push({ - type: 'hardbreak', - level: state.level - }); - } else { - state.pending = state.pending.slice(0, -1); - state.push({ - type: 'softbreak', - level: state.level - }); - } - - } else { - state.push({ - type: 'softbreak', - level: state.level - }); - } - } - - pos++; - - // skip heading spaces for next line - while (pos < max && state.src.charCodeAt(pos) === 0x20) { pos++; } - - state.pos = pos; - return true; - } - - // Proceess escaped chars and hardbreaks - - var ESCAPED = []; - - for (var i = 0; i < 256; i++) { ESCAPED.push(0); } - - '\\!"#$%&\'()*+,./:;<=>?@[]^_`{|}~-' - .split('').forEach(function(ch) { ESCAPED[ch.charCodeAt(0)] = 1; }); - - - function escape(state, silent) { - var ch, pos = state.pos, max = state.posMax; - - if (state.src.charCodeAt(pos) !== 0x5C/* \ */) { return false; } - - pos++; - - if (pos < max) { - ch = state.src.charCodeAt(pos); - - if (ch < 256 && ESCAPED[ch] !== 0) { - if (!silent) { state.pending += state.src[pos]; } - state.pos += 2; - return true; - } - - if (ch === 0x0A) { - if (!silent) { - state.push({ - type: 'hardbreak', - level: state.level - }); - } - - pos++; - // skip leading whitespaces from next line - while (pos < max && state.src.charCodeAt(pos) === 0x20) { pos++; } - - state.pos = pos; - return true; - } - } - - if (!silent) { state.pending += '\\'; } - state.pos++; - return true; - } - - // Parse backticks - - function backticks(state, silent) { - var start, max, marker, matchStart, matchEnd, - pos = state.pos, - ch = state.src.charCodeAt(pos); - - if (ch !== 0x60/* ` */) { return false; } - - start = pos; - pos++; - max = state.posMax; - - while (pos < max && state.src.charCodeAt(pos) === 0x60/* ` */) { pos++; } - - marker = state.src.slice(start, pos); - - matchStart = matchEnd = pos; - - while ((matchStart = state.src.indexOf('`', matchEnd)) !== -1) { - matchEnd = matchStart + 1; - - while (matchEnd < max && state.src.charCodeAt(matchEnd) === 0x60/* ` */) { matchEnd++; } - - if (matchEnd - matchStart === marker.length) { - if (!silent) { - state.push({ - type: 'code', - content: state.src.slice(pos, matchStart) - .replace(/[ \n]+/g, ' ') - .trim(), - block: false, - level: state.level - }); - } - state.pos = matchEnd; - return true; - } - } - - if (!silent) { state.pending += marker; } - state.pos += marker.length; - return true; - } - - // Process ~~deleted text~~ - - function del(state, silent) { - var found, - pos, - stack, - max = state.posMax, - start = state.pos, - lastChar, - nextChar; - - if (state.src.charCodeAt(start) !== 0x7E/* ~ */) { return false; } - if (silent) { return false; } // don't run any pairs in validation mode - if (start + 4 >= max) { return false; } - if (state.src.charCodeAt(start + 1) !== 0x7E/* ~ */) { return false; } - if (state.level >= state.options.maxNesting) { return false; } - - lastChar = start > 0 ? state.src.charCodeAt(start - 1) : -1; - nextChar = state.src.charCodeAt(start + 2); - - if (lastChar === 0x7E/* ~ */) { return false; } - if (nextChar === 0x7E/* ~ */) { return false; } - if (nextChar === 0x20 || nextChar === 0x0A) { return false; } - - pos = start + 2; - while (pos < max && state.src.charCodeAt(pos) === 0x7E/* ~ */) { pos++; } - if (pos > start + 3) { - // sequence of 4+ markers taking as literal, same as in a emphasis - state.pos += pos - start; - if (!silent) { state.pending += state.src.slice(start, pos); } - return true; - } - - state.pos = start + 2; - stack = 1; - - while (state.pos + 1 < max) { - if (state.src.charCodeAt(state.pos) === 0x7E/* ~ */) { - if (state.src.charCodeAt(state.pos + 1) === 0x7E/* ~ */) { - lastChar = state.src.charCodeAt(state.pos - 1); - nextChar = state.pos + 2 < max ? state.src.charCodeAt(state.pos + 2) : -1; - if (nextChar !== 0x7E/* ~ */ && lastChar !== 0x7E/* ~ */) { - if (lastChar !== 0x20 && lastChar !== 0x0A) { - // closing '~~' - stack--; - } else if (nextChar !== 0x20 && nextChar !== 0x0A) { - // opening '~~' - stack++; - } // else { - // // standalone ' ~~ ' indented with spaces - // } - if (stack <= 0) { - found = true; - break; - } - } - } - } - - state.parser.skipToken(state); - } - - if (!found) { - // parser failed to find ending tag, so it's not valid emphasis - state.pos = start; - return false; - } - - // found! - state.posMax = state.pos; - state.pos = start + 2; - - if (!silent) { - state.push({ type: 'del_open', level: state.level++ }); - state.parser.tokenize(state); - state.push({ type: 'del_close', level: --state.level }); - } - - state.pos = state.posMax + 2; - state.posMax = max; - return true; - } - - // Process ++inserted text++ - - function ins(state, silent) { - var found, - pos, - stack, - max = state.posMax, - start = state.pos, - lastChar, - nextChar; - - if (state.src.charCodeAt(start) !== 0x2B/* + */) { return false; } - if (silent) { return false; } // don't run any pairs in validation mode - if (start + 4 >= max) { return false; } - if (state.src.charCodeAt(start + 1) !== 0x2B/* + */) { return false; } - if (state.level >= state.options.maxNesting) { return false; } - - lastChar = start > 0 ? state.src.charCodeAt(start - 1) : -1; - nextChar = state.src.charCodeAt(start + 2); - - if (lastChar === 0x2B/* + */) { return false; } - if (nextChar === 0x2B/* + */) { return false; } - if (nextChar === 0x20 || nextChar === 0x0A) { return false; } - - pos = start + 2; - while (pos < max && state.src.charCodeAt(pos) === 0x2B/* + */) { pos++; } - if (pos !== start + 2) { - // sequence of 3+ markers taking as literal, same as in a emphasis - state.pos += pos - start; - if (!silent) { state.pending += state.src.slice(start, pos); } - return true; - } - - state.pos = start + 2; - stack = 1; - - while (state.pos + 1 < max) { - if (state.src.charCodeAt(state.pos) === 0x2B/* + */) { - if (state.src.charCodeAt(state.pos + 1) === 0x2B/* + */) { - lastChar = state.src.charCodeAt(state.pos - 1); - nextChar = state.pos + 2 < max ? state.src.charCodeAt(state.pos + 2) : -1; - if (nextChar !== 0x2B/* + */ && lastChar !== 0x2B/* + */) { - if (lastChar !== 0x20 && lastChar !== 0x0A) { - // closing '++' - stack--; - } else if (nextChar !== 0x20 && nextChar !== 0x0A) { - // opening '++' - stack++; - } // else { - // // standalone ' ++ ' indented with spaces - // } - if (stack <= 0) { - found = true; - break; - } - } - } - } - - state.parser.skipToken(state); - } - - if (!found) { - // parser failed to find ending tag, so it's not valid emphasis - state.pos = start; - return false; - } - - // found! - state.posMax = state.pos; - state.pos = start + 2; - - if (!silent) { - state.push({ type: 'ins_open', level: state.level++ }); - state.parser.tokenize(state); - state.push({ type: 'ins_close', level: --state.level }); - } - - state.pos = state.posMax + 2; - state.posMax = max; - return true; - } - - // Process ==highlighted text== - - function mark(state, silent) { - var found, - pos, - stack, - max = state.posMax, - start = state.pos, - lastChar, - nextChar; - - if (state.src.charCodeAt(start) !== 0x3D/* = */) { return false; } - if (silent) { return false; } // don't run any pairs in validation mode - if (start + 4 >= max) { return false; } - if (state.src.charCodeAt(start + 1) !== 0x3D/* = */) { return false; } - if (state.level >= state.options.maxNesting) { return false; } - - lastChar = start > 0 ? state.src.charCodeAt(start - 1) : -1; - nextChar = state.src.charCodeAt(start + 2); - - if (lastChar === 0x3D/* = */) { return false; } - if (nextChar === 0x3D/* = */) { return false; } - if (nextChar === 0x20 || nextChar === 0x0A) { return false; } - - pos = start + 2; - while (pos < max && state.src.charCodeAt(pos) === 0x3D/* = */) { pos++; } - if (pos !== start + 2) { - // sequence of 3+ markers taking as literal, same as in a emphasis - state.pos += pos - start; - if (!silent) { state.pending += state.src.slice(start, pos); } - return true; - } - - state.pos = start + 2; - stack = 1; - - while (state.pos + 1 < max) { - if (state.src.charCodeAt(state.pos) === 0x3D/* = */) { - if (state.src.charCodeAt(state.pos + 1) === 0x3D/* = */) { - lastChar = state.src.charCodeAt(state.pos - 1); - nextChar = state.pos + 2 < max ? state.src.charCodeAt(state.pos + 2) : -1; - if (nextChar !== 0x3D/* = */ && lastChar !== 0x3D/* = */) { - if (lastChar !== 0x20 && lastChar !== 0x0A) { - // closing '==' - stack--; - } else if (nextChar !== 0x20 && nextChar !== 0x0A) { - // opening '==' - stack++; - } // else { - // // standalone ' == ' indented with spaces - // } - if (stack <= 0) { - found = true; - break; - } - } - } - } - - state.parser.skipToken(state); - } - - if (!found) { - // parser failed to find ending tag, so it's not valid emphasis - state.pos = start; - return false; - } - - // found! - state.posMax = state.pos; - state.pos = start + 2; - - if (!silent) { - state.push({ type: 'mark_open', level: state.level++ }); - state.parser.tokenize(state); - state.push({ type: 'mark_close', level: --state.level }); - } - - state.pos = state.posMax + 2; - state.posMax = max; - return true; - } - - // Process *this* and _that_ - - function isAlphaNum(code) { - return (code >= 0x30 /* 0 */ && code <= 0x39 /* 9 */) || - (code >= 0x41 /* A */ && code <= 0x5A /* Z */) || - (code >= 0x61 /* a */ && code <= 0x7A /* z */); - } - - // parse sequence of emphasis markers, - // "start" should point at a valid marker - function scanDelims(state, start) { - var pos = start, lastChar, nextChar, count, - can_open = true, - can_close = true, - max = state.posMax, - marker = state.src.charCodeAt(start); - - lastChar = start > 0 ? state.src.charCodeAt(start - 1) : -1; - - while (pos < max && state.src.charCodeAt(pos) === marker) { pos++; } - if (pos >= max) { can_open = false; } - count = pos - start; - - if (count >= 4) { - // sequence of four or more unescaped markers can't start/end an emphasis - can_open = can_close = false; - } else { - nextChar = pos < max ? state.src.charCodeAt(pos) : -1; - - // check whitespace conditions - if (nextChar === 0x20 || nextChar === 0x0A) { can_open = false; } - if (lastChar === 0x20 || lastChar === 0x0A) { can_close = false; } - - if (marker === 0x5F /* _ */) { - // check if we aren't inside the word - if (isAlphaNum(lastChar)) { can_open = false; } - if (isAlphaNum(nextChar)) { can_close = false; } - } - } - - return { - can_open: can_open, - can_close: can_close, - delims: count - }; - } - - function emphasis(state, silent) { - var startCount, - count, - found, - oldCount, - newCount, - stack, - res, - max = state.posMax, - start = state.pos, - marker = state.src.charCodeAt(start); - - if (marker !== 0x5F/* _ */ && marker !== 0x2A /* * */) { return false; } - if (silent) { return false; } // don't run any pairs in validation mode - - res = scanDelims(state, start); - startCount = res.delims; - if (!res.can_open) { - state.pos += startCount; - if (!silent) { state.pending += state.src.slice(start, state.pos); } - return true; - } - - if (state.level >= state.options.maxNesting) { return false; } - - state.pos = start + startCount; - stack = [ startCount ]; - - while (state.pos < max) { - if (state.src.charCodeAt(state.pos) === marker) { - res = scanDelims(state, state.pos); - count = res.delims; - if (res.can_close) { - oldCount = stack.pop(); - newCount = count; - - while (oldCount !== newCount) { - if (newCount < oldCount) { - stack.push(oldCount - newCount); - break; - } - - // assert(newCount > oldCount) - newCount -= oldCount; - - if (stack.length === 0) { break; } - state.pos += oldCount; - oldCount = stack.pop(); - } - - if (stack.length === 0) { - startCount = oldCount; - found = true; - break; - } - state.pos += count; - continue; - } - - if (res.can_open) { stack.push(count); } - state.pos += count; - continue; - } - - state.parser.skipToken(state); - } - - if (!found) { - // parser failed to find ending tag, so it's not valid emphasis - state.pos = start; - return false; - } - - // found! - state.posMax = state.pos; - state.pos = start + startCount; - - if (!silent) { - if (startCount === 2 || startCount === 3) { - state.push({ type: 'strong_open', level: state.level++ }); - } - if (startCount === 1 || startCount === 3) { - state.push({ type: 'em_open', level: state.level++ }); - } - - state.parser.tokenize(state); - - if (startCount === 1 || startCount === 3) { - state.push({ type: 'em_close', level: --state.level }); - } - if (startCount === 2 || startCount === 3) { - state.push({ type: 'strong_close', level: --state.level }); - } - } - - state.pos = state.posMax + startCount; - state.posMax = max; - return true; - } - - // Process ~subscript~ - - // same as UNESCAPE_MD_RE plus a space - var UNESCAPE_RE = /\\([ \\!"#$%&'()*+,.\/:;<=>?@[\]^_`{|}~-])/g; - - function sub(state, silent) { - var found, - content, - max = state.posMax, - start = state.pos; - - if (state.src.charCodeAt(start) !== 0x7E/* ~ */) { return false; } - if (silent) { return false; } // don't run any pairs in validation mode - if (start + 2 >= max) { return false; } - if (state.level >= state.options.maxNesting) { return false; } - - state.pos = start + 1; - - while (state.pos < max) { - if (state.src.charCodeAt(state.pos) === 0x7E/* ~ */) { - found = true; - break; - } - - state.parser.skipToken(state); - } - - if (!found || start + 1 === state.pos) { - state.pos = start; - return false; - } - - content = state.src.slice(start + 1, state.pos); - - // don't allow unescaped spaces/newlines inside - if (content.match(/(^|[^\\])(\\\\)*\s/)) { - state.pos = start; - return false; - } - - // found! - state.posMax = state.pos; - state.pos = start + 1; - - if (!silent) { - state.push({ - type: 'sub', - level: state.level, - content: content.replace(UNESCAPE_RE, '$1') - }); - } - - state.pos = state.posMax + 1; - state.posMax = max; - return true; - } - - // Process ^superscript^ - - // same as UNESCAPE_MD_RE plus a space - var UNESCAPE_RE$1 = /\\([ \\!"#$%&'()*+,.\/:;<=>?@[\]^_`{|}~-])/g; - - function sup(state, silent) { - var found, - content, - max = state.posMax, - start = state.pos; - - if (state.src.charCodeAt(start) !== 0x5E/* ^ */) { return false; } - if (silent) { return false; } // don't run any pairs in validation mode - if (start + 2 >= max) { return false; } - if (state.level >= state.options.maxNesting) { return false; } - - state.pos = start + 1; - - while (state.pos < max) { - if (state.src.charCodeAt(state.pos) === 0x5E/* ^ */) { - found = true; - break; - } - - state.parser.skipToken(state); - } - - if (!found || start + 1 === state.pos) { - state.pos = start; - return false; - } - - content = state.src.slice(start + 1, state.pos); - - // don't allow unescaped spaces/newlines inside - if (content.match(/(^|[^\\])(\\\\)*\s/)) { - state.pos = start; - return false; - } - - // found! - state.posMax = state.pos; - state.pos = start + 1; - - if (!silent) { - state.push({ - type: 'sup', - level: state.level, - content: content.replace(UNESCAPE_RE$1, '$1') - }); - } - - state.pos = state.posMax + 1; - state.posMax = max; - return true; - } - - // Process [links]( "stuff") - - - function links(state, silent) { - var labelStart, - labelEnd, - label, - href, - title, - pos, - ref, - code, - isImage = false, - oldPos = state.pos, - max = state.posMax, - start = state.pos, - marker = state.src.charCodeAt(start); - - if (marker === 0x21/* ! */) { - isImage = true; - marker = state.src.charCodeAt(++start); - } - - if (marker !== 0x5B/* [ */) { return false; } - if (state.level >= state.options.maxNesting) { return false; } - - labelStart = start + 1; - labelEnd = parseLinkLabel(state, start); - - // parser failed to find ']', so it's not a valid link - if (labelEnd < 0) { return false; } - - pos = labelEnd + 1; - if (pos < max && state.src.charCodeAt(pos) === 0x28/* ( */) { - // - // Inline link - // - - // [link]( "title" ) - // ^^ skipping these spaces - pos++; - for (; pos < max; pos++) { - code = state.src.charCodeAt(pos); - if (code !== 0x20 && code !== 0x0A) { break; } - } - if (pos >= max) { return false; } - - // [link]( "title" ) - // ^^^^^^ parsing link destination - start = pos; - if (parseLinkDestination(state, pos)) { - href = state.linkContent; - pos = state.pos; - } else { - href = ''; - } - - // [link]( "title" ) - // ^^ skipping these spaces - start = pos; - for (; pos < max; pos++) { - code = state.src.charCodeAt(pos); - if (code !== 0x20 && code !== 0x0A) { break; } - } - - // [link]( "title" ) - // ^^^^^^^ parsing link title - if (pos < max && start !== pos && parseLinkTitle(state, pos)) { - title = state.linkContent; - pos = state.pos; - - // [link]( "title" ) - // ^^ skipping these spaces - for (; pos < max; pos++) { - code = state.src.charCodeAt(pos); - if (code !== 0x20 && code !== 0x0A) { break; } - } - } else { - title = ''; - } - - if (pos >= max || state.src.charCodeAt(pos) !== 0x29/* ) */) { - state.pos = oldPos; - return false; - } - pos++; - } else { - // - // Link reference - // - - // do not allow nested reference links - if (state.linkLevel > 0) { return false; } - - // [foo] [bar] - // ^^ optional whitespace (can include newlines) - for (; pos < max; pos++) { - code = state.src.charCodeAt(pos); - if (code !== 0x20 && code !== 0x0A) { break; } - } - - if (pos < max && state.src.charCodeAt(pos) === 0x5B/* [ */) { - start = pos + 1; - pos = parseLinkLabel(state, pos); - if (pos >= 0) { - label = state.src.slice(start, pos++); - } else { - pos = start - 1; - } - } - - // covers label === '' and label === undefined - // (collapsed reference link and shortcut reference link respectively) - if (!label) { - if (typeof label === 'undefined') { - pos = labelEnd + 1; - } - label = state.src.slice(labelStart, labelEnd); - } - - ref = state.env.references[normalizeReference(label)]; - if (!ref) { - state.pos = oldPos; - return false; - } - href = ref.href; - title = ref.title; - } - - // - // We found the end of the link, and know for a fact it's a valid link; - // so all that's left to do is to call tokenizer. - // - if (!silent) { - state.pos = labelStart; - state.posMax = labelEnd; - - if (isImage) { - state.push({ - type: 'image', - src: href, - title: title, - alt: state.src.substr(labelStart, labelEnd - labelStart), - level: state.level - }); - } else { - state.push({ - type: 'link_open', - href: href, - title: title, - level: state.level++ - }); - state.linkLevel++; - state.parser.tokenize(state); - state.linkLevel--; - state.push({ type: 'link_close', level: --state.level }); - } - } - - state.pos = pos; - state.posMax = max; - return true; - } - - // Process inline footnotes (^[...]) - - - function footnote_inline(state, silent) { - var labelStart, - labelEnd, - footnoteId, - oldLength, - max = state.posMax, - start = state.pos; - - if (start + 2 >= max) { return false; } - if (state.src.charCodeAt(start) !== 0x5E/* ^ */) { return false; } - if (state.src.charCodeAt(start + 1) !== 0x5B/* [ */) { return false; } - if (state.level >= state.options.maxNesting) { return false; } - - labelStart = start + 2; - labelEnd = parseLinkLabel(state, start + 1); - - // parser failed to find ']', so it's not a valid note - if (labelEnd < 0) { return false; } - - // We found the end of the link, and know for a fact it's a valid link; - // so all that's left to do is to call tokenizer. - // - if (!silent) { - if (!state.env.footnotes) { state.env.footnotes = {}; } - if (!state.env.footnotes.list) { state.env.footnotes.list = []; } - footnoteId = state.env.footnotes.list.length; - - state.pos = labelStart; - state.posMax = labelEnd; - - state.push({ - type: 'footnote_ref', - id: footnoteId, - level: state.level - }); - state.linkLevel++; - oldLength = state.tokens.length; - state.parser.tokenize(state); - state.env.footnotes.list[footnoteId] = { tokens: state.tokens.splice(oldLength) }; - state.linkLevel--; - } - - state.pos = labelEnd + 1; - state.posMax = max; - return true; - } - - // Process footnote references ([^...]) - - function footnote_ref(state, silent) { - var label, - pos, - footnoteId, - footnoteSubId, - max = state.posMax, - start = state.pos; - - // should be at least 4 chars - "[^x]" - if (start + 3 > max) { return false; } - - if (!state.env.footnotes || !state.env.footnotes.refs) { return false; } - if (state.src.charCodeAt(start) !== 0x5B/* [ */) { return false; } - if (state.src.charCodeAt(start + 1) !== 0x5E/* ^ */) { return false; } - if (state.level >= state.options.maxNesting) { return false; } - - for (pos = start + 2; pos < max; pos++) { - if (state.src.charCodeAt(pos) === 0x20) { return false; } - if (state.src.charCodeAt(pos) === 0x0A) { return false; } - if (state.src.charCodeAt(pos) === 0x5D /* ] */) { - break; - } - } - - if (pos === start + 2) { return false; } // no empty footnote labels - if (pos >= max) { return false; } - pos++; - - label = state.src.slice(start + 2, pos - 1); - if (typeof state.env.footnotes.refs[':' + label] === 'undefined') { return false; } - - if (!silent) { - if (!state.env.footnotes.list) { state.env.footnotes.list = []; } - - if (state.env.footnotes.refs[':' + label] < 0) { - footnoteId = state.env.footnotes.list.length; - state.env.footnotes.list[footnoteId] = { label: label, count: 0 }; - state.env.footnotes.refs[':' + label] = footnoteId; - } else { - footnoteId = state.env.footnotes.refs[':' + label]; - } - - footnoteSubId = state.env.footnotes.list[footnoteId].count; - state.env.footnotes.list[footnoteId].count++; - - state.push({ - type: 'footnote_ref', - id: footnoteId, - subId: footnoteSubId, - level: state.level - }); - } - - state.pos = pos; - state.posMax = max; - return true; - } - - // List of valid url schemas, accorting to commonmark spec - // http://jgm.github.io/CommonMark/spec.html#autolinks - - var url_schemas = [ - 'coap', - 'doi', - 'javascript', - 'aaa', - 'aaas', - 'about', - 'acap', - 'cap', - 'cid', - 'crid', - 'data', - 'dav', - 'dict', - 'dns', - 'file', - 'ftp', - 'geo', - 'go', - 'gopher', - 'h323', - 'http', - 'https', - 'iax', - 'icap', - 'im', - 'imap', - 'info', - 'ipp', - 'iris', - 'iris.beep', - 'iris.xpc', - 'iris.xpcs', - 'iris.lwz', - 'ldap', - 'mailto', - 'mid', - 'msrp', - 'msrps', - 'mtqp', - 'mupdate', - 'news', - 'nfs', - 'ni', - 'nih', - 'nntp', - 'opaquelocktoken', - 'pop', - 'pres', - 'rtsp', - 'service', - 'session', - 'shttp', - 'sieve', - 'sip', - 'sips', - 'sms', - 'snmp', - 'soap.beep', - 'soap.beeps', - 'tag', - 'tel', - 'telnet', - 'tftp', - 'thismessage', - 'tn3270', - 'tip', - 'tv', - 'urn', - 'vemmi', - 'ws', - 'wss', - 'xcon', - 'xcon-userid', - 'xmlrpc.beep', - 'xmlrpc.beeps', - 'xmpp', - 'z39.50r', - 'z39.50s', - 'adiumxtra', - 'afp', - 'afs', - 'aim', - 'apt', - 'attachment', - 'aw', - 'beshare', - 'bitcoin', - 'bolo', - 'callto', - 'chrome', - 'chrome-extension', - 'com-eventbrite-attendee', - 'content', - 'cvs', - 'dlna-playsingle', - 'dlna-playcontainer', - 'dtn', - 'dvb', - 'ed2k', - 'facetime', - 'feed', - 'finger', - 'fish', - 'gg', - 'git', - 'gizmoproject', - 'gtalk', - 'hcp', - 'icon', - 'ipn', - 'irc', - 'irc6', - 'ircs', - 'itms', - 'jar', - 'jms', - 'keyparc', - 'lastfm', - 'ldaps', - 'magnet', - 'maps', - 'market', - 'message', - 'mms', - 'ms-help', - 'msnim', - 'mumble', - 'mvn', - 'notes', - 'oid', - 'palm', - 'paparazzi', - 'platform', - 'proxy', - 'psyc', - 'query', - 'res', - 'resource', - 'rmi', - 'rsync', - 'rtmp', - 'secondlife', - 'sftp', - 'sgn', - 'skype', - 'smb', - 'soldat', - 'spotify', - 'ssh', - 'steam', - 'svn', - 'teamspeak', - 'things', - 'udp', - 'unreal', - 'ut2004', - 'ventrilo', - 'view-source', - 'webcal', - 'wtai', - 'wyciwyg', - 'xfire', - 'xri', - 'ymsgr' - ]; - - // Process autolinks '' - - - /*eslint max-len:0*/ - var EMAIL_RE = /^<([a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>/; - var AUTOLINK_RE = /^<([a-zA-Z.\-]{1,25}):([^<>\x00-\x20]*)>/; - - - function autolink(state, silent) { - var tail, linkMatch, emailMatch, url, fullUrl, pos = state.pos; - - if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; } - - tail = state.src.slice(pos); - - if (tail.indexOf('>') < 0) { return false; } - - linkMatch = tail.match(AUTOLINK_RE); - - if (linkMatch) { - if (url_schemas.indexOf(linkMatch[1].toLowerCase()) < 0) { return false; } - - url = linkMatch[0].slice(1, -1); - fullUrl = normalizeLink(url); - if (!state.parser.validateLink(url)) { return false; } - - if (!silent) { - state.push({ - type: 'link_open', - href: fullUrl, - level: state.level - }); - state.push({ - type: 'text', - content: url, - level: state.level + 1 - }); - state.push({ type: 'link_close', level: state.level }); - } - - state.pos += linkMatch[0].length; - return true; - } - - emailMatch = tail.match(EMAIL_RE); - - if (emailMatch) { - - url = emailMatch[0].slice(1, -1); - - fullUrl = normalizeLink('mailto:' + url); - if (!state.parser.validateLink(fullUrl)) { return false; } - - if (!silent) { - state.push({ - type: 'link_open', - href: fullUrl, - level: state.level - }); - state.push({ - type: 'text', - content: url, - level: state.level + 1 - }); - state.push({ type: 'link_close', level: state.level }); - } - - state.pos += emailMatch[0].length; - return true; - } - - return false; - } - - // Regexps to match html elements - - function replace$1(regex, options) { - regex = regex.source; - options = options || ''; - - return function self(name, val) { - if (!name) { - return new RegExp(regex, options); - } - val = val.source || val; - regex = regex.replace(name, val); - return self; - }; - } - - - var attr_name = /[a-zA-Z_:][a-zA-Z0-9:._-]*/; - - var unquoted = /[^"'=<>`\x00-\x20]+/; - var single_quoted = /'[^']*'/; - var double_quoted = /"[^"]*"/; - - /*eslint no-spaced-func:0*/ - var attr_value = replace$1(/(?:unquoted|single_quoted|double_quoted)/) - ('unquoted', unquoted) - ('single_quoted', single_quoted) - ('double_quoted', double_quoted) - (); - - var attribute = replace$1(/(?:\s+attr_name(?:\s*=\s*attr_value)?)/) - ('attr_name', attr_name) - ('attr_value', attr_value) - (); - - var open_tag = replace$1(/<[A-Za-z][A-Za-z0-9]*attribute*\s*\/?>/) - ('attribute', attribute) - (); - - var close_tag = /<\/[A-Za-z][A-Za-z0-9]*\s*>/; - var comment = /|/; - var processing = /<[?].*?[?]>/; - var declaration = /]*>/; - var cdata = //; - - var HTML_TAG_RE = replace$1(/^(?:open_tag|close_tag|comment|processing|declaration|cdata)/) - ('open_tag', open_tag) - ('close_tag', close_tag) - ('comment', comment) - ('processing', processing) - ('declaration', declaration) - ('cdata', cdata) - (); - - // Process html tags - - - function isLetter$2(ch) { - /*eslint no-bitwise:0*/ - var lc = ch | 0x20; // to lower case - return (lc >= 0x61/* a */) && (lc <= 0x7a/* z */); - } - - - function htmltag(state, silent) { - var ch, match, max, pos = state.pos; - - if (!state.options.html) { return false; } - - // Check start - max = state.posMax; - if (state.src.charCodeAt(pos) !== 0x3C/* < */ || - pos + 2 >= max) { - return false; - } - - // Quick fail on second char - ch = state.src.charCodeAt(pos + 1); - if (ch !== 0x21/* ! */ && - ch !== 0x3F/* ? */ && - ch !== 0x2F/* / */ && - !isLetter$2(ch)) { - return false; - } - - match = state.src.slice(pos).match(HTML_TAG_RE); - if (!match) { return false; } - - if (!silent) { - state.push({ - type: 'htmltag', - content: state.src.slice(pos, pos + match[0].length), - level: state.level - }); - } - state.pos += match[0].length; - return true; - } - - // Process html entity - {, ¯, ", ... - - - var DIGITAL_RE = /^&#((?:x[a-f0-9]{1,8}|[0-9]{1,8}));/i; - var NAMED_RE = /^&([a-z][a-z0-9]{1,31});/i; - - - function entity(state, silent) { - var ch, code, match, pos = state.pos, max = state.posMax; - - if (state.src.charCodeAt(pos) !== 0x26/* & */) { return false; } - - if (pos + 1 < max) { - ch = state.src.charCodeAt(pos + 1); - - if (ch === 0x23 /* # */) { - match = state.src.slice(pos).match(DIGITAL_RE); - if (match) { - if (!silent) { - code = match[1][0].toLowerCase() === 'x' ? parseInt(match[1].slice(1), 16) : parseInt(match[1], 10); - state.pending += isValidEntityCode(code) ? fromCodePoint(code) : fromCodePoint(0xFFFD); - } - state.pos += match[0].length; - return true; - } - } else { - match = state.src.slice(pos).match(NAMED_RE); - if (match) { - var decoded = decodeEntity(match[1]); - if (match[1] !== decoded) { - if (!silent) { state.pending += decoded; } - state.pos += match[0].length; - return true; - } - } - } - } - - if (!silent) { state.pending += '&'; } - state.pos++; - return true; - } - - /** - * Inline Parser `rules` - */ - - var _rules$2 = [ - [ 'text', text ], - [ 'newline', newline ], - [ 'escape', escape ], - [ 'backticks', backticks ], - [ 'del', del ], - [ 'ins', ins ], - [ 'mark', mark ], - [ 'emphasis', emphasis ], - [ 'sub', sub ], - [ 'sup', sup ], - [ 'links', links ], - [ 'footnote_inline', footnote_inline ], - [ 'footnote_ref', footnote_ref ], - [ 'autolink', autolink ], - [ 'htmltag', htmltag ], - [ 'entity', entity ] - ]; - - /** - * Inline Parser class. Note that link validation is stricter - * in Remarkable than what is specified by CommonMark. If you - * want to change this you can use a custom validator. - * - * @api private - */ - - function ParserInline() { - this.ruler = new Ruler(); - for (var i = 0; i < _rules$2.length; i++) { - this.ruler.push(_rules$2[i][0], _rules$2[i][1]); - } - - // Can be overridden with a custom validator - this.validateLink = validateLink; - } - - /** - * Skip a single token by running all rules in validation mode. - * Returns `true` if any rule reports success. - * - * @param {Object} `state` - * @api privage - */ - - ParserInline.prototype.skipToken = function (state) { - var rules = this.ruler.getRules(''); - var len = rules.length; - var pos = state.pos; - var i, cached_pos; - - if ((cached_pos = state.cacheGet(pos)) > 0) { - state.pos = cached_pos; - return; - } - - for (i = 0; i < len; i++) { - if (rules[i](state, true)) { - state.cacheSet(pos, state.pos); - return; - } - } - - state.pos++; - state.cacheSet(pos, state.pos); - }; - - /** - * Generate tokens for the given input range. - * - * @param {Object} `state` - * @api private - */ - - ParserInline.prototype.tokenize = function (state) { - var rules = this.ruler.getRules(''); - var len = rules.length; - var end = state.posMax; - var ok, i; - - while (state.pos < end) { - - // Try all possible rules. - // On success, the rule should: - // - // - update `state.pos` - // - update `state.tokens` - // - return true - for (i = 0; i < len; i++) { - ok = rules[i](state, false); - - if (ok) { - break; - } - } - - if (ok) { - if (state.pos >= end) { break; } - continue; - } - - state.pending += state.src[state.pos++]; - } - - if (state.pending) { - state.pushPending(); - } - }; - - /** - * Parse the given input string. - * - * @param {String} `str` - * @param {Object} `options` - * @param {Object} `env` - * @param {Array} `outTokens` - * @api private - */ - - ParserInline.prototype.parse = function (str, options, env, outTokens) { - var state = new StateInline(str, this, options, env, outTokens); - this.tokenize(state); - }; - - /** - * Validate the given `url` by checking for bad protocols. - * - * @param {String} `url` - * @return {Boolean} - */ - - function validateLink(url) { - var BAD_PROTOCOLS = [ 'vbscript', 'javascript', 'file', 'data' ]; - var str = url.trim().toLowerCase(); - // Care about digital entities "javascript:alert(1)" - str = replaceEntities(str); - if (str.indexOf(':') !== -1 && BAD_PROTOCOLS.indexOf(str.split(':')[0]) !== -1) { - return false; - } - return true; - } - - // Remarkable default options - - var defaultConfig = { - options: { - html: false, // Enable HTML tags in source - xhtmlOut: false, // Use '/' to close single tags (
    ) - breaks: false, // Convert '\n' in paragraphs into
    - langPrefix: 'language-', // CSS language prefix for fenced blocks - linkTarget: '', // set target to open link in - - // Enable some language-neutral replacements + quotes beautification - typographer: false, - - // Double + single quotes replacement pairs, when typographer enabled, - // and smartquotes on. Set doubles to '«»' for Russian, '„“' for German. - quotes: '“”‘’', - - // Highlighter function. Should return escaped HTML, - // or '' if input not changed - // - // function (/*str, lang*/) { return ''; } - // - highlight: null, - - maxNesting: 20 // Internal protection, recursion limit - }, - - components: { - - core: { - rules: [ - 'block', - 'inline', - 'references', - 'replacements', - 'smartquotes', - 'references', - 'abbr2', - 'footnote_tail' - ] - }, - - block: { - rules: [ - 'blockquote', - 'code', - 'fences', - 'footnote', - 'heading', - 'hr', - 'htmlblock', - 'lheading', - 'list', - 'paragraph', - 'table' - ] - }, - - inline: { - rules: [ - 'autolink', - 'backticks', - 'del', - 'emphasis', - 'entity', - 'escape', - 'footnote_ref', - 'htmltag', - 'links', - 'newline', - 'text' - ] - } - } - }; - - // Remarkable default options - - var fullConfig = { - options: { - html: false, // Enable HTML tags in source - xhtmlOut: false, // Use '/' to close single tags (
    ) - breaks: false, // Convert '\n' in paragraphs into
    - langPrefix: 'language-', // CSS language prefix for fenced blocks - linkTarget: '', // set target to open link in - - // Enable some language-neutral replacements + quotes beautification - typographer: false, - - // Double + single quotes replacement pairs, when typographer enabled, - // and smartquotes on. Set doubles to '«»' for Russian, '„“' for German. - quotes: '“”‘’', - - // Highlighter function. Should return escaped HTML, - // or '' if input not changed - // - // function (/*str, lang*/) { return ''; } - // - highlight: null, - - maxNesting: 20 // Internal protection, recursion limit - }, - - components: { - // Don't restrict core/block/inline rules - core: {}, - block: {}, - inline: {} - } - }; - - // Commonmark default options - - var commonmarkConfig = { - options: { - html: true, // Enable HTML tags in source - xhtmlOut: true, // Use '/' to close single tags (
    ) - breaks: false, // Convert '\n' in paragraphs into
    - langPrefix: 'language-', // CSS language prefix for fenced blocks - linkTarget: '', // set target to open link in - - // Enable some language-neutral replacements + quotes beautification - typographer: false, - - // Double + single quotes replacement pairs, when typographer enabled, - // and smartquotes on. Set doubles to '«»' for Russian, '„“' for German. - quotes: '“”‘’', - - // Highlighter function. Should return escaped HTML, - // or '' if input not changed - // - // function (/*str, lang*/) { return ''; } - // - highlight: null, - - maxNesting: 20 // Internal protection, recursion limit - }, - - components: { - - core: { - rules: [ - 'block', - 'inline', - 'references', - 'abbr2' - ] - }, - - block: { - rules: [ - 'blockquote', - 'code', - 'fences', - 'heading', - 'hr', - 'htmlblock', - 'lheading', - 'list', - 'paragraph' - ] - }, - - inline: { - rules: [ - 'autolink', - 'backticks', - 'emphasis', - 'entity', - 'escape', - 'htmltag', - 'links', - 'newline', - 'text' - ] - } - } - }; - - /** - * Preset configs - */ - - var config = { - 'default': defaultConfig, - 'full': fullConfig, - 'commonmark': commonmarkConfig - }; - - /** - * The `StateCore` class manages state. - * - * @param {Object} `instance` Remarkable instance - * @param {String} `str` Markdown string - * @param {Object} `env` - */ - - function StateCore(instance, str, env) { - this.src = str; - this.env = env; - this.options = instance.options; - this.tokens = []; - this.inlineMode = false; - - this.inline = instance.inline; - this.block = instance.block; - this.renderer = instance.renderer; - this.typographer = instance.typographer; - } - - /** - * The main `Remarkable` class. Create an instance of - * `Remarkable` with a `preset` and/or `options`. - * - * @param {String} `preset` If no preset is given, `default` is used. - * @param {Object} `options` - */ - - function Remarkable(preset, options) { - if (typeof preset !== 'string') { - options = preset; - preset = 'default'; - } - - if (options && options.linkify != null) { - console.warn( - 'linkify option is removed. Use linkify plugin instead:\n\n' + - 'import Remarkable from \'remarkable\';\n' + - 'import linkify from \'remarkable/linkify\';\n' + - 'new Remarkable().use(linkify)\n' - ); - } - - this.inline = new ParserInline(); - this.block = new ParserBlock(); - this.core = new Core(); - this.renderer = new Renderer(); - this.ruler = new Ruler(); - - this.options = {}; - this.configure(config[preset]); - this.set(options || {}); - } - - /** - * Set options as an alternative to passing them - * to the constructor. - * - * ```js - * md.set({typographer: true}); - * ``` - * @param {Object} `options` - * @api public - */ - - Remarkable.prototype.set = function (options) { - assign(this.options, options); - }; - - /** - * Batch loader for components rules states, and options - * - * @param {Object} `presets` - */ - - Remarkable.prototype.configure = function (presets) { - var self = this; - - if (!presets) { throw new Error('Wrong `remarkable` preset, check name/content'); } - if (presets.options) { self.set(presets.options); } - if (presets.components) { - Object.keys(presets.components).forEach(function (name) { - if (presets.components[name].rules) { - self[name].ruler.enable(presets.components[name].rules, true); - } - }); - } - }; - - /** - * Use a plugin. - * - * ```js - * var md = new Remarkable(); - * - * md.use(plugin1) - * .use(plugin2, opts) - * .use(plugin3); - * ``` - * - * @param {Function} `plugin` - * @param {Object} `options` - * @return {Object} `Remarkable` for chaining - */ - - Remarkable.prototype.use = function (plugin, options) { - plugin(this, options); - return this; - }; - - - /** - * Parse the input `string` and return a tokens array. - * Modifies `env` with definitions data. - * - * @param {String} `string` - * @param {Object} `env` - * @return {Array} Array of tokens - */ - - Remarkable.prototype.parse = function (str, env) { - var state = new StateCore(this, str, env); - this.core.process(state); - return state.tokens; - }; - - /** - * The main `.render()` method that does all the magic :) - * - * @param {String} `string` - * @param {Object} `env` - * @return {String} Rendered HTML. - */ - - Remarkable.prototype.render = function (str, env) { - env = env || {}; - return this.renderer.render(this.parse(str, env), this.options, env); - }; - - /** - * Parse the given content `string` as a single string. - * - * @param {String} `string` - * @param {Object} `env` - * @return {Array} Array of tokens - */ - - Remarkable.prototype.parseInline = function (str, env) { - var state = new StateCore(this, str, env); - state.inlineMode = true; - this.core.process(state); - return state.tokens; - }; - - /** - * Render a single content `string`, without wrapping it - * to paragraphs - * - * @param {String} `str` - * @param {Object} `env` - * @return {String} - */ - - Remarkable.prototype.renderInline = function (str, env) { - env = env || {}; - return this.renderer.render(this.parseInline(str, env), this.options, env); - }; - - var index_browser = /*#__PURE__*/Object.freeze({ - __proto__: null, - Remarkable: Remarkable, - utils: utils - }); - - var base = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - exports.getId = getId; - exports.noop = noop; - exports.walkTree = walkTree; - exports.arrayFrom = arrayFrom; - exports.flatMap = flatMap; - exports.addClass = addClass; - exports.childSelector = childSelector; - const uniqId = Math.random().toString(36).slice(2, 8); - let globalIndex = 0; - - function getId() { - globalIndex += 1; - return `mm-${uniqId}-${globalIndex}`; - } - - function noop() {// noop - } - - function walkTree(tree, callback, key = 'c') { - const walk = (item, parent) => callback(item, () => { - var _item$key; - - (_item$key = item[key]) == null ? void 0 : _item$key.forEach(child => { - walk(child, item); - }); - }, parent); - - walk(tree); - } - - function arrayFrom(arrayLike) { - if (Array.from) return Array.from(arrayLike); - const array = []; - - for (let i = 0; i < arrayLike.length; i += 1) { - array.push(arrayLike[i]); - } - - return array; - } - - function flatMap(arrayLike, callback) { - if (arrayLike.flatMap) return arrayLike.flatMap(callback); - const array = []; - - for (let i = 0; i < arrayLike.length; i += 1) { - const result = callback(arrayLike[i], i, arrayLike); - if (Array.isArray(result)) array.push(...result);else array.push(result); - } - - return array; - } - - function addClass(className, ...rest) { - const classList = (className || '').split(' ').filter(Boolean); - rest.forEach(item => { - if (item && classList.indexOf(item) < 0) classList.push(item); - }); - return classList.join(' '); - } - - function childSelector(filter) { - if (typeof filter === 'string') { - const tagName = filter; - - filter = el => el.tagName === tagName; - } - - const filterFn = filter; - return function selector() { - let nodes = arrayFrom(this.childNodes); - if (filterFn) nodes = nodes.filter(node => filterFn(node)); - return nodes; - }; - } - }); - - var html = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - exports.escapeHtml = escapeHtml; - exports.escapeScript = escapeScript; - exports.htmlOpen = htmlOpen; - exports.htmlClose = htmlClose; - exports.wrapHtml = wrapHtml; - exports.wrapStyle = wrapStyle; - - function escapeHtml(html) { - return html.replace(/[&<"]/g, m => ({ - '&': '&', - '<': '<', - '"': '"' - })[m]); - } - - function escapeScript(content) { - return content.replace(/<(\/script>)/g, '\\x3c$2'); - } - - function htmlOpen(tagName, attrs) { - const attrStr = attrs ? Object.entries(attrs).map(([key, value]) => { - if (value == null || value === false) return; - key = ` ${escapeHtml(key)}`; - if (value === true) return key; - return `${key}="${escapeHtml(value)}"`; - }).filter(Boolean).join('') : ''; - return `<${tagName}${attrStr}>`; - } - - function htmlClose(tagName) { - return ``; - } - - function wrapHtml(tagName, content, attrs) { - if (content == null) return htmlOpen(tagName, attrs); - return htmlOpen(tagName, attrs) + (content || '') + htmlClose(tagName); - } - - function wrapStyle(text, style) { - if (style.code) text = wrapHtml('code', text); - if (style.del) text = wrapHtml('del', text); - if (style.em) text = wrapHtml('em', text); - if (style.strong) text = wrapHtml('strong', text); - return text; - } - }); - - var loader = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - exports.buildCode = buildCode; - exports.memoize = memoize; - exports.loadJS = loadJS; - exports.loadCSS = loadCSS; - exports.initializePlugins = initializePlugins; - exports.persistJS = persistJS; - exports.persistCSS = persistCSS; - - - - function buildCode(fn, ...args) { - const params = args.map(arg => { - if (typeof arg === 'function') return arg.toString(); - return JSON.stringify(arg != null ? arg : null); - }).join(','); - return `(${fn.toString()})(${params})`; - } - - function memoize(fn) { - const cache = {}; - return function memoized(...args) { - const key = `${args[0]}`; - let data = cache[key]; - - if (!data) { - data = { - value: fn(...args) - }; - cache[key] = data; - } - - return data.value; - }; - } - - function createElement(tagName, props, attrs) { - const el = document.createElement(tagName); - - if (props) { - Object.entries(props).forEach(([key, value]) => { - el[key] = value; - }); - } - - if (attrs) { - Object.entries(attrs).forEach(([key, value]) => { - el.setAttribute(key, value); - }); - } - - return el; - } - - const memoizedPreloadJS = memoize(url => { - document.head.append(createElement('link', { - rel: 'preload', - as: 'script', - href: url - })); - }); - - function loadJSItem(item, context) { - if (item.type === 'script') { - return new Promise((resolve, reject) => { - document.head.append(createElement('script', Object.assign(Object.assign({}, item.data), {}, { - onload: resolve, - onerror: reject - }))); - }); - } else if (item.type === 'iife') { - const { - fn, - getParams - } = item.data; - fn(...((getParams == null ? void 0 : getParams(context)) || [])); - } - } - - function loadCSSItem(item) { - if (item.type === 'style') { - document.head.append(createElement('style', { - textContent: item.data - })); - } else if (item.type === 'stylesheet') { - document.head.append(createElement('link', Object.assign({ - rel: 'stylesheet' - }, item.data))); - } - } - - async function loadJS(items, options) { - const needPreload = items.filter(item => item.type === 'script'); - if (needPreload.length > 1) needPreload.forEach(item => memoizedPreloadJS(item.data.src)); - - for (const item of items) { - await loadJSItem(item, options); - } - } - - function loadCSS(items) { - for (const item of items) { - loadCSSItem(item); - } - } - - async function initializePlugins(Markmap, plugins, options) { - options = Object.assign({}, options); - await Promise.all(plugins.map(plugin => { - loadCSS(plugin.styles); - return loadJS(plugin.scripts, options); - })); - - for (const { - initialize - } of plugins) { - if (initialize) initialize(Markmap, options); - } - } - - function persistJS(items, context) { - return items.map(item => { - if (item.type === 'script') return (0, html.wrapHtml)('script', '', item.data); - - if (item.type === 'iife') { - const { - fn, - getParams - } = item.data; - return (0, html.wrapHtml)('script', (0, html.escapeScript)(buildCode(fn, ...((getParams == null ? void 0 : getParams(context)) || [])))); - } - }); - } - - function persistCSS(items) { - return items.map(item => { - if (item.type === 'stylesheet') { - return (0, html.wrapHtml)('link', null, Object.assign({ - rel: 'stylesheet' - }, item.data)); - } - /* else if (item.type === 'style') */ - - - return (0, html.wrapHtml)('style', item.data); - }); - } - }); - - var util = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - - - - Object.keys(base).forEach(function (key) { - if (key === "default" || key === "__esModule") return; - exports[key] = base[key]; - }); - - - - Object.keys(html).forEach(function (key) { - if (key === "default" || key === "__esModule") return; - exports[key] = html[key]; - }); - - - - Object.keys(loader).forEach(function (key) { - if (key === "default" || key === "__esModule") return; - exports[key] = loader[key]; - }); - }); - - var transform_1 = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - exports.buildTree = buildTree; - exports.transform = transform; - - - - - - const md = new index_browser.Remarkable(); - md.block.ruler.enable(['deflist']); - - function extractInline(token) { - const html = []; - let style = {}; - - for (const child of token.children) { - if (child.type === 'text') { - html.push((0, util.wrapStyle)((0, util.escapeHtml)(child.content), style)); - } else if (child.type === 'code') { - html.push((0, util.wrapHtml)('code', (0, util.wrapStyle)((0, util.escapeHtml)(child.content), style))); - } else if (child.type === 'softbreak') { - html.push('
    '); - } else if (child.type.endsWith('_open')) { - const type = child.type.slice(0, -5); - - if (type === 'link') { - html.push((0, util.htmlOpen)('a', { - href: child.href, - title: child.title, - target: '_blank', - rel: 'noopener noreferrer' - })); - } else { - style = Object.assign(Object.assign({}, style), {}, { - [type]: true - }); - } - } else if (child.type.endsWith('_close')) { - const type = child.type.slice(0, -6); - - if (type === 'link') { - html.push((0, util.htmlClose)('a')); - } else { - style = Object.assign(Object.assign({}, style), {}, { - [type]: false - }); - } - } - } - - return html.join(''); - } - - function cleanNode(node, depth = 0) { - if (node.t === 'heading') { - // drop all paragraphs - node.c = node.c.filter(item => item.t !== 'paragraph'); - } else if (node.t === 'list_item') { - var _node$p; - - // keep first paragraph as content of list_item, drop others - node.c = node.c.filter(item => { - if (['paragraph', 'fence'].includes(item.t)) { - if (!node.v) node.v = item.v; - return false; - } - - return true; - }); - - if (((_node$p = node.p) == null ? void 0 : _node$p.index) != null) { - node.v = `${node.p.index}. ${node.v}`; - } - } else if (node.t === 'ordered_list') { - var _node$p$start, _node$p2; - - let index = (_node$p$start = (_node$p2 = node.p) == null ? void 0 : _node$p2.start) != null ? _node$p$start : 1; - node.c.forEach(item => { - if (item.t === 'list_item') { - item.p = Object.assign(Object.assign({}, item.p), {}, { - index: index - }); - index += 1; - } - }); - } - - if (node.c.length === 0) { - delete node.c; - } else { - if (node.c.length === 1 && !node.c[0].v) { - node.c = node.c[0].c; - } - - node.c.forEach(child => cleanNode(child, depth + 1)); - } - - node.d = depth; - delete node.p; - } - - function buildTree(tokens) { - // TODO deal with
    - const root = { - t: 'root', - d: 0, - v: '', - c: [] - }; - const stack = [root]; - let depth = 0; - - for (const token of tokens) { - let current = stack[stack.length - 1]; - - if (token.type.endsWith('_open')) { - const type = token.type.slice(0, -5); - const payload = {}; - - if (type === 'heading') { - depth = token.hLevel; - - while (((_current = current) == null ? void 0 : _current.d) >= depth) { - var _current; - - stack.pop(); - current = stack[stack.length - 1]; - } - } else { - var _current2; - - depth = Math.max(depth, ((_current2 = current) == null ? void 0 : _current2.d) || 0) + 1; - - if (type === 'ordered_list') { - payload.start = token.order; - } - } - - const item = { - t: type, - d: depth, - p: payload, - v: '', - c: [] - }; - current.c.push(item); - stack.push(item); - } else if (!current) { - continue; - } else if (token.type === `${current.t}_close`) { - if (current.t === 'heading') { - depth = current.d; - } else { - stack.pop(); - depth = 0; - } - } else if (token.type === 'inline') { - current.v = `${current.v || ''}${extractInline(token)}`; - } else if (token.type === 'fence') { - current.c.push({ - t: token.type, - d: depth + 1, - v: `
    ${(0, util.escapeHtml)(token.content)}
    `, - c: [] - }); - } - } - - return root; - } - - function transform(content) { - var _root$c; - - const tokens = md.parse(content || '', {}); - let root = buildTree(tokens); - cleanNode(root); - if (((_root$c = root.c) == null ? void 0 : _root$c.length) === 1) root = root.c[0]; - return root; - } - }); - - var transform = /*@__PURE__*/unwrapExports(transform_1); - - return transform; - -}))); diff --git a/www/code/markmap/markmap-lib.view.bundle.js b/www/code/markmap/markmap-lib.view.bundle.js deleted file mode 100644 index 0663de23c..000000000 --- a/www/code/markmap/markmap-lib.view.bundle.js +++ /dev/null @@ -1,19876 +0,0 @@ -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : - typeof define === 'function' && define.amd ? define(factory) : - (global = global || self, global.view = factory()); -}(this, (function () { 'use strict'; - - function unwrapExports (x) { - return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x; - } - - function createCommonjsModule(fn, basedir, module) { - return module = { - path: basedir, - exports: {}, - require: function (path, base) { - return commonjsRequire(path, (base === undefined || base === null) ? module.path : base); - } - }, fn(module, module.exports), module.exports; - } - - function commonjsRequire () { - throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs'); - } - - var _typeof_1 = createCommonjsModule(function (module) { - function _typeof(obj) { - "@babel/helpers - typeof"; - - if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { - module.exports = _typeof = function _typeof(obj) { - return typeof obj; - }; - } else { - module.exports = _typeof = function _typeof(obj) { - return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; - }; - } - - return _typeof(obj); - } - - module.exports = _typeof; - }); - - var interopRequireWildcard = createCommonjsModule(function (module) { - function _getRequireWildcardCache() { - if (typeof WeakMap !== "function") return null; - var cache = new WeakMap(); - - _getRequireWildcardCache = function _getRequireWildcardCache() { - return cache; - }; - - return cache; - } - - function _interopRequireWildcard(obj) { - if (obj && obj.__esModule) { - return obj; - } - - if (obj === null || _typeof_1(obj) !== "object" && typeof obj !== "function") { - return { - "default": obj - }; - } - - var cache = _getRequireWildcardCache(); - - if (cache && cache.has(obj)) { - return cache.get(obj); - } - - var newObj = {}; - var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; - - for (var key in obj) { - if (Object.prototype.hasOwnProperty.call(obj, key)) { - var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; - - if (desc && (desc.get || desc.set)) { - Object.defineProperty(newObj, key, desc); - } else { - newObj[key] = obj[key]; - } - } - } - - newObj["default"] = obj; - - if (cache) { - cache.set(obj, newObj); - } - - return newObj; - } - - module.exports = _interopRequireWildcard; - }); - - var version = "5.16.0"; - - function ascending(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; - } - - function bisector(compare) { - if (compare.length === 1) compare = ascendingComparator(compare); - return { - left: function(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) < 0) lo = mid + 1; - else hi = mid; - } - return lo; - }, - right: function(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) > 0) hi = mid; - else lo = mid + 1; - } - return lo; - } - }; - } - - function ascendingComparator(f) { - return function(d, x) { - return ascending(f(d), x); - }; - } - - var ascendingBisect = bisector(ascending); - var bisectRight = ascendingBisect.right; - var bisectLeft = ascendingBisect.left; - - function pairs(array, f) { - if (f == null) f = pair; - var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); - while (i < n) pairs[i] = f(p, p = array[++i]); - return pairs; - } - - function pair(a, b) { - return [a, b]; - } - - function cross(values0, values1, reduce) { - var n0 = values0.length, - n1 = values1.length, - values = new Array(n0 * n1), - i0, - i1, - i, - value0; - - if (reduce == null) reduce = pair; - - for (i0 = i = 0; i0 < n0; ++i0) { - for (value0 = values0[i0], i1 = 0; i1 < n1; ++i1, ++i) { - values[i] = reduce(value0, values1[i1]); - } - } - - return values; - } - - function descending(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; - } - - function number(x) { - return x === null ? NaN : +x; - } - - function variance(values, valueof) { - var n = values.length, - m = 0, - i = -1, - mean = 0, - value, - delta, - sum = 0; - - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) { - delta = value - mean; - mean += delta / ++m; - sum += delta * (value - mean); - } - } - } - - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) { - delta = value - mean; - mean += delta / ++m; - sum += delta * (value - mean); - } - } - } - - if (m > 1) return sum / (m - 1); - } - - function deviation(array, f) { - var v = variance(array, f); - return v ? Math.sqrt(v) : v; - } - - function extent(values, valueof) { - var n = values.length, - i = -1, - value, - min, - max; - - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - min = max = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null) { - if (min > value) min = value; - if (max < value) max = value; - } - } - } - } - } - - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { - min = max = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null) { - if (min > value) min = value; - if (max < value) max = value; - } - } - } - } - } - - return [min, max]; - } - - var array = Array.prototype; - - var slice = array.slice; - var map = array.map; - - function constant(x) { - return function() { - return x; - }; - } - - function identity(x) { - return x; - } - - function sequence(start, stop, step) { - start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; - - var i = -1, - n = Math.max(0, Math.ceil((stop - start) / step)) | 0, - range = new Array(n); - - while (++i < n) { - range[i] = start + i * step; - } - - return range; - } - - var e10 = Math.sqrt(50), - e5 = Math.sqrt(10), - e2 = Math.sqrt(2); - - function ticks(start, stop, count) { - var reverse, - i = -1, - n, - ticks, - step; - - stop = +stop, start = +start, count = +count; - if (start === stop && count > 0) return [start]; - if (reverse = stop < start) n = start, start = stop, stop = n; - if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; - - if (step > 0) { - start = Math.ceil(start / step); - stop = Math.floor(stop / step); - ticks = new Array(n = Math.ceil(stop - start + 1)); - while (++i < n) ticks[i] = (start + i) * step; - } else { - start = Math.floor(start * step); - stop = Math.ceil(stop * step); - ticks = new Array(n = Math.ceil(start - stop + 1)); - while (++i < n) ticks[i] = (start - i) / step; - } - - if (reverse) ticks.reverse(); - - return ticks; - } - - function tickIncrement(start, stop, count) { - var step = (stop - start) / Math.max(0, count), - power = Math.floor(Math.log(step) / Math.LN10), - error = step / Math.pow(10, power); - return power >= 0 - ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power) - : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1); - } - - function tickStep(start, stop, count) { - var step0 = Math.abs(stop - start) / Math.max(0, count), - step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), - error = step0 / step1; - if (error >= e10) step1 *= 10; - else if (error >= e5) step1 *= 5; - else if (error >= e2) step1 *= 2; - return stop < start ? -step1 : step1; - } - - function thresholdSturges(values) { - return Math.ceil(Math.log(values.length) / Math.LN2) + 1; - } - - function histogram() { - var value = identity, - domain = extent, - threshold = thresholdSturges; - - function histogram(data) { - var i, - n = data.length, - x, - values = new Array(n); - - for (i = 0; i < n; ++i) { - values[i] = value(data[i], i, data); - } - - var xz = domain(values), - x0 = xz[0], - x1 = xz[1], - tz = threshold(values, x0, x1); - - // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) { - tz = tickStep(x0, x1, tz); - tz = sequence(Math.ceil(x0 / tz) * tz, x1, tz); // exclusive - } - - // Remove any thresholds outside the domain. - var m = tz.length; - while (tz[0] <= x0) tz.shift(), --m; - while (tz[m - 1] > x1) tz.pop(), --m; - - var bins = new Array(m + 1), - bin; - - // Initialize bins. - for (i = 0; i <= m; ++i) { - bin = bins[i] = []; - bin.x0 = i > 0 ? tz[i - 1] : x0; - bin.x1 = i < m ? tz[i] : x1; - } - - // Assign data to bins by value, ignoring any outside the domain. - for (i = 0; i < n; ++i) { - x = values[i]; - if (x0 <= x && x <= x1) { - bins[bisectRight(tz, x, 0, m)].push(data[i]); - } - } - - return bins; - } - - histogram.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; - }; - - histogram.domain = function(_) { - return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; - }; - - histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; - }; - - return histogram; - } - - function threshold(values, p, valueof) { - if (valueof == null) valueof = number; - if (!(n = values.length)) return; - if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); - if (p >= 1) return +valueof(values[n - 1], n - 1, values); - var n, - i = (n - 1) * p, - i0 = Math.floor(i), - value0 = +valueof(values[i0], i0, values), - value1 = +valueof(values[i0 + 1], i0 + 1, values); - return value0 + (value1 - value0) * (i - i0); - } - - function freedmanDiaconis(values, min, max) { - values = map.call(values, number).sort(ascending); - return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); - } - - function scott(values, min, max) { - return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); - } - - function max(values, valueof) { - var n = values.length, - i = -1, - value, - max; - - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - max = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null && value > max) { - max = value; - } - } - } - } - } - - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { - max = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null && value > max) { - max = value; - } - } - } - } - } - - return max; - } - - function mean(values, valueof) { - var n = values.length, - m = n, - i = -1, - value, - sum = 0; - - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) sum += value; - else --m; - } - } - - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) sum += value; - else --m; - } - } - - if (m) return sum / m; - } - - function median(values, valueof) { - var n = values.length, - i = -1, - value, - numbers = []; - - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) { - numbers.push(value); - } - } - } - - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) { - numbers.push(value); - } - } - } - - return threshold(numbers.sort(ascending), 0.5); - } - - function merge(arrays) { - var n = arrays.length, - m, - i = -1, - j = 0, - merged, - array; - - while (++i < n) j += arrays[i].length; - merged = new Array(j); - - while (--n >= 0) { - array = arrays[n]; - m = array.length; - while (--m >= 0) { - merged[--j] = array[m]; - } - } - - return merged; - } - - function min(values, valueof) { - var n = values.length, - i = -1, - value, - min; - - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - min = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null && min > value) { - min = value; - } - } - } - } - } - - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { - min = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null && min > value) { - min = value; - } - } - } - } - } - - return min; - } - - function permute(array, indexes) { - var i = indexes.length, permutes = new Array(i); - while (i--) permutes[i] = array[indexes[i]]; - return permutes; - } - - function scan(values, compare) { - if (!(n = values.length)) return; - var n, - i = 0, - j = 0, - xi, - xj = values[j]; - - if (compare == null) compare = ascending; - - while (++i < n) { - if (compare(xi = values[i], xj) < 0 || compare(xj, xj) !== 0) { - xj = xi, j = i; - } - } - - if (compare(xj, xj) === 0) return j; - } - - function shuffle(array, i0, i1) { - var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), - t, - i; - - while (m) { - i = Math.random() * m-- | 0; - t = array[m + i0]; - array[m + i0] = array[i + i0]; - array[i + i0] = t; - } - - return array; - } - - function sum(values, valueof) { - var n = values.length, - i = -1, - value, - sum = 0; - - if (valueof == null) { - while (++i < n) { - if (value = +values[i]) sum += value; // Note: zero and null are equivalent. - } - } - - else { - while (++i < n) { - if (value = +valueof(values[i], i, values)) sum += value; - } - } - - return sum; - } - - function transpose(matrix) { - if (!(n = matrix.length)) return []; - for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { - for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { - row[j] = matrix[j][i]; - } - } - return transpose; - } - - function length(d) { - return d.length; - } - - function zip() { - return transpose(arguments); - } - - var slice$1 = Array.prototype.slice; - - function identity$1(x) { - return x; - } - - var top = 1, - right = 2, - bottom = 3, - left = 4, - epsilon = 1e-6; - - function translateX(x) { - return "translate(" + (x + 0.5) + ",0)"; - } - - function translateY(y) { - return "translate(0," + (y + 0.5) + ")"; - } - - function number$1(scale) { - return function(d) { - return +scale(d); - }; - } - - function center(scale) { - var offset = Math.max(0, scale.bandwidth() - 1) / 2; // Adjust for 0.5px offset. - if (scale.round()) offset = Math.round(offset); - return function(d) { - return +scale(d) + offset; - }; - } - - function entering() { - return !this.__axis; - } - - function axis(orient, scale) { - var tickArguments = [], - tickValues = null, - tickFormat = null, - tickSizeInner = 6, - tickSizeOuter = 6, - tickPadding = 3, - k = orient === top || orient === left ? -1 : 1, - x = orient === left || orient === right ? "x" : "y", - transform = orient === top || orient === bottom ? translateX : translateY; - - function axis(context) { - var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, - format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$1) : tickFormat, - spacing = Math.max(tickSizeInner, 0) + tickPadding, - range = scale.range(), - range0 = +range[0] + 0.5, - range1 = +range[range.length - 1] + 0.5, - position = (scale.bandwidth ? center : number$1)(scale.copy()), - selection = context.selection ? context.selection() : context, - path = selection.selectAll(".domain").data([null]), - tick = selection.selectAll(".tick").data(values, scale).order(), - tickExit = tick.exit(), - tickEnter = tick.enter().append("g").attr("class", "tick"), - line = tick.select("line"), - text = tick.select("text"); - - path = path.merge(path.enter().insert("path", ".tick") - .attr("class", "domain") - .attr("stroke", "currentColor")); - - tick = tick.merge(tickEnter); - - line = line.merge(tickEnter.append("line") - .attr("stroke", "currentColor") - .attr(x + "2", k * tickSizeInner)); - - text = text.merge(tickEnter.append("text") - .attr("fill", "currentColor") - .attr(x, k * spacing) - .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); - - if (context !== selection) { - path = path.transition(context); - tick = tick.transition(context); - line = line.transition(context); - text = text.transition(context); - - tickExit = tickExit.transition(context) - .attr("opacity", epsilon) - .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d) : this.getAttribute("transform"); }); - - tickEnter - .attr("opacity", epsilon) - .attr("transform", function(d) { var p = this.parentNode.__axis; return transform(p && isFinite(p = p(d)) ? p : position(d)); }); - } - - tickExit.remove(); - - path - .attr("d", orient === left || orient == right - ? (tickSizeOuter ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter : "M0.5," + range0 + "V" + range1) - : (tickSizeOuter ? "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter : "M" + range0 + ",0.5H" + range1)); - - tick - .attr("opacity", 1) - .attr("transform", function(d) { return transform(position(d)); }); - - line - .attr(x + "2", k * tickSizeInner); - - text - .attr(x, k * spacing) - .text(format); - - selection.filter(entering) - .attr("fill", "none") - .attr("font-size", 10) - .attr("font-family", "sans-serif") - .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); - - selection - .each(function() { this.__axis = position; }); - } - - axis.scale = function(_) { - return arguments.length ? (scale = _, axis) : scale; - }; - - axis.ticks = function() { - return tickArguments = slice$1.call(arguments), axis; - }; - - axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice$1.call(_), axis) : tickArguments.slice(); - }; - - axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice$1.call(_), axis) : tickValues && tickValues.slice(); - }; - - axis.tickFormat = function(_) { - return arguments.length ? (tickFormat = _, axis) : tickFormat; - }; - - axis.tickSize = function(_) { - return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; - }; - - axis.tickSizeInner = function(_) { - return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; - }; - - axis.tickSizeOuter = function(_) { - return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; - }; - - axis.tickPadding = function(_) { - return arguments.length ? (tickPadding = +_, axis) : tickPadding; - }; - - return axis; - } - - function axisTop(scale) { - return axis(top, scale); - } - - function axisRight(scale) { - return axis(right, scale); - } - - function axisBottom(scale) { - return axis(bottom, scale); - } - - function axisLeft(scale) { - return axis(left, scale); - } - - var noop = {value: function() {}}; - - function dispatch() { - for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { - if (!(t = arguments[i] + "") || (t in _) || /[\s.]/.test(t)) throw new Error("illegal type: " + t); - _[t] = []; - } - return new Dispatch(_); - } - - function Dispatch(_) { - this._ = _; - } - - function parseTypenames(typenames, types) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); - return {type: t, name: name}; - }); - } - - Dispatch.prototype = dispatch.prototype = { - constructor: Dispatch, - on: function(typename, callback) { - var _ = this._, - T = parseTypenames(typename + "", _), - t, - i = -1, - n = T.length; - - // If no callback was specified, return the callback of the given type and name. - if (arguments.length < 2) { - while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; - return; - } - - // If a type was specified, set the callback for the given type and name. - // Otherwise, if a null callback was specified, remove callbacks of the given name. - if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); - while (++i < n) { - if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback); - else if (callback == null) for (t in _) _[t] = set(_[t], typename.name, null); - } - - return this; - }, - copy: function() { - var copy = {}, _ = this._; - for (var t in _) copy[t] = _[t].slice(); - return new Dispatch(copy); - }, - call: function(type, that) { - if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - }, - apply: function(type, that, args) { - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - } - }; - - function get(type, name) { - for (var i = 0, n = type.length, c; i < n; ++i) { - if ((c = type[i]).name === name) { - return c.value; - } - } - } - - function set(type, name, callback) { - for (var i = 0, n = type.length; i < n; ++i) { - if (type[i].name === name) { - type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1)); - break; - } - } - if (callback != null) type.push({name: name, value: callback}); - return type; - } - - var xhtml = "http://www.w3.org/1999/xhtml"; - - var namespaces = { - svg: "http://www.w3.org/2000/svg", - xhtml: xhtml, - xlink: "http://www.w3.org/1999/xlink", - xml: "http://www.w3.org/XML/1998/namespace", - xmlns: "http://www.w3.org/2000/xmlns/" - }; - - function namespace(name) { - var prefix = name += "", i = prefix.indexOf(":"); - if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); - return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; - } - - function creatorInherit(name) { - return function() { - var document = this.ownerDocument, - uri = this.namespaceURI; - return uri === xhtml && document.documentElement.namespaceURI === xhtml - ? document.createElement(name) - : document.createElementNS(uri, name); - }; - } - - function creatorFixed(fullname) { - return function() { - return this.ownerDocument.createElementNS(fullname.space, fullname.local); - }; - } - - function creator(name) { - var fullname = namespace(name); - return (fullname.local - ? creatorFixed - : creatorInherit)(fullname); - } - - function none() {} - - function selector(selector) { - return selector == null ? none : function() { - return this.querySelector(selector); - }; - } - - function selection_select(select) { - if (typeof select !== "function") select = selector(select); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - } - } - } - - return new Selection(subgroups, this._parents); - } - - function empty() { - return []; - } - - function selectorAll(selector) { - return selector == null ? empty : function() { - return this.querySelectorAll(selector); - }; - } - - function selection_selectAll(select) { - if (typeof select !== "function") select = selectorAll(select); - - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - subgroups.push(select.call(node, node.__data__, i, group)); - parents.push(node); - } - } - } - - return new Selection(subgroups, parents); - } - - function matcher(selector) { - return function() { - return this.matches(selector); - }; - } - - function selection_filter(match) { - if (typeof match !== "function") match = matcher(match); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } - } - - return new Selection(subgroups, this._parents); - } - - function sparse(update) { - return new Array(update.length); - } - - function selection_enter() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); - } - - function EnterNode(parent, datum) { - this.ownerDocument = parent.ownerDocument; - this.namespaceURI = parent.namespaceURI; - this._next = null; - this._parent = parent; - this.__data__ = datum; - } - - EnterNode.prototype = { - constructor: EnterNode, - appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, - insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, - querySelector: function(selector) { return this._parent.querySelector(selector); }, - querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } - }; - - function constant$1(x) { - return function() { - return x; - }; - } - - var keyPrefix = "$"; // Protect against keys like “__proto__”. - - function bindIndex(parent, group, enter, update, exit, data) { - var i = 0, - node, - groupLength = group.length, - dataLength = data.length; - - // Put any non-null nodes that fit into update. - // Put any null nodes into enter. - // Put any remaining data into enter. - for (; i < dataLength; ++i) { - if (node = group[i]) { - node.__data__ = data[i]; - update[i] = node; - } else { - enter[i] = new EnterNode(parent, data[i]); - } - } - - // Put any non-null nodes that don’t fit into exit. - for (; i < groupLength; ++i) { - if (node = group[i]) { - exit[i] = node; - } - } - } - - function bindKey(parent, group, enter, update, exit, data, key) { - var i, - node, - nodeByKeyValue = {}, - groupLength = group.length, - dataLength = data.length, - keyValues = new Array(groupLength), - keyValue; - - // Compute the key for each node. - // If multiple nodes have the same key, the duplicates are added to exit. - for (i = 0; i < groupLength; ++i) { - if (node = group[i]) { - keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); - if (keyValue in nodeByKeyValue) { - exit[i] = node; - } else { - nodeByKeyValue[keyValue] = node; - } - } - } - - // Compute the key for each datum. - // If there a node associated with this key, join and add it to update. - // If there is not (or the key is a duplicate), add it to enter. - for (i = 0; i < dataLength; ++i) { - keyValue = keyPrefix + key.call(parent, data[i], i, data); - if (node = nodeByKeyValue[keyValue]) { - update[i] = node; - node.__data__ = data[i]; - nodeByKeyValue[keyValue] = null; - } else { - enter[i] = new EnterNode(parent, data[i]); - } - } - - // Add any remaining nodes that were not bound to data to exit. - for (i = 0; i < groupLength; ++i) { - if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { - exit[i] = node; - } - } - } - - function selection_data(value, key) { - if (!value) { - data = new Array(this.size()), j = -1; - this.each(function(d) { data[++j] = d; }); - return data; - } - - var bind = key ? bindKey : bindIndex, - parents = this._parents, - groups = this._groups; - - if (typeof value !== "function") value = constant$1(value); - - for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { - var parent = parents[j], - group = groups[j], - groupLength = group.length, - data = value.call(parent, parent && parent.__data__, j, parents), - dataLength = data.length, - enterGroup = enter[j] = new Array(dataLength), - updateGroup = update[j] = new Array(dataLength), - exitGroup = exit[j] = new Array(groupLength); - - bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); - - // Now connect the enter nodes to their following update node, such that - // appendChild can insert the materialized enter node before this node, - // rather than at the end of the parent node. - for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { - if (previous = enterGroup[i0]) { - if (i0 >= i1) i1 = i0 + 1; - while (!(next = updateGroup[i1]) && ++i1 < dataLength); - previous._next = next || null; - } - } - } - - update = new Selection(update, parents); - update._enter = enter; - update._exit = exit; - return update; - } - - function selection_exit() { - return new Selection(this._exit || this._groups.map(sparse), this._parents); - } - - function selection_join(onenter, onupdate, onexit) { - var enter = this.enter(), update = this, exit = this.exit(); - enter = typeof onenter === "function" ? onenter(enter) : enter.append(onenter + ""); - if (onupdate != null) update = onupdate(update); - if (onexit == null) exit.remove(); else onexit(exit); - return enter && update ? enter.merge(update).order() : update; - } - - function selection_merge(selection) { - - for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } - } - } - - for (; j < m0; ++j) { - merges[j] = groups0[j]; - } - - return new Selection(merges, this._parents); - } - - function selection_order() { - - for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { - for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { - if (node = group[i]) { - if (next && node.compareDocumentPosition(next) ^ 4) next.parentNode.insertBefore(node, next); - next = node; - } - } - } - - return this; - } - - function selection_sort(compare) { - if (!compare) compare = ascending$1; - - function compareNode(a, b) { - return a && b ? compare(a.__data__, b.__data__) : !a - !b; - } - - for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group[i]) { - sortgroup[i] = node; - } - } - sortgroup.sort(compareNode); - } - - return new Selection(sortgroups, this._parents).order(); - } - - function ascending$1(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; - } - - function selection_call() { - var callback = arguments[0]; - arguments[0] = this; - callback.apply(null, arguments); - return this; - } - - function selection_nodes() { - var nodes = new Array(this.size()), i = -1; - this.each(function() { nodes[++i] = this; }); - return nodes; - } - - function selection_node() { - - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { - var node = group[i]; - if (node) return node; - } - } - - return null; - } - - function selection_size() { - var size = 0; - this.each(function() { ++size; }); - return size; - } - - function selection_empty() { - return !this.node(); - } - - function selection_each(callback) { - - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { - if (node = group[i]) callback.call(node, node.__data__, i, group); - } - } - - return this; - } - - function attrRemove(name) { - return function() { - this.removeAttribute(name); - }; - } - - function attrRemoveNS(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; - } - - function attrConstant(name, value) { - return function() { - this.setAttribute(name, value); - }; - } - - function attrConstantNS(fullname, value) { - return function() { - this.setAttributeNS(fullname.space, fullname.local, value); - }; - } - - function attrFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttribute(name); - else this.setAttribute(name, v); - }; - } - - function attrFunctionNS(fullname, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttributeNS(fullname.space, fullname.local); - else this.setAttributeNS(fullname.space, fullname.local, v); - }; - } - - function selection_attr(name, value) { - var fullname = namespace(name); - - if (arguments.length < 2) { - var node = this.node(); - return fullname.local - ? node.getAttributeNS(fullname.space, fullname.local) - : node.getAttribute(fullname); - } - - return this.each((value == null - ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" - ? (fullname.local ? attrFunctionNS : attrFunction) - : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); - } - - function defaultView(node) { - return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node - || (node.document && node) // node is a Window - || node.defaultView; // node is a Document - } - - function styleRemove(name) { - return function() { - this.style.removeProperty(name); - }; - } - - function styleConstant(name, value, priority) { - return function() { - this.style.setProperty(name, value, priority); - }; - } - - function styleFunction(name, value, priority) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.style.removeProperty(name); - else this.style.setProperty(name, v, priority); - }; - } - - function selection_style(name, value, priority) { - return arguments.length > 1 - ? this.each((value == null - ? styleRemove : typeof value === "function" - ? styleFunction - : styleConstant)(name, value, priority == null ? "" : priority)) - : styleValue(this.node(), name); - } - - function styleValue(node, name) { - return node.style.getPropertyValue(name) - || defaultView(node).getComputedStyle(node, null).getPropertyValue(name); - } - - function propertyRemove(name) { - return function() { - delete this[name]; - }; - } - - function propertyConstant(name, value) { - return function() { - this[name] = value; - }; - } - - function propertyFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) delete this[name]; - else this[name] = v; - }; - } - - function selection_property(name, value) { - return arguments.length > 1 - ? this.each((value == null - ? propertyRemove : typeof value === "function" - ? propertyFunction - : propertyConstant)(name, value)) - : this.node()[name]; - } - - function classArray(string) { - return string.trim().split(/^|\s+/); - } - - function classList(node) { - return node.classList || new ClassList(node); - } - - function ClassList(node) { - this._node = node; - this._names = classArray(node.getAttribute("class") || ""); - } - - ClassList.prototype = { - add: function(name) { - var i = this._names.indexOf(name); - if (i < 0) { - this._names.push(name); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - remove: function(name) { - var i = this._names.indexOf(name); - if (i >= 0) { - this._names.splice(i, 1); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - contains: function(name) { - return this._names.indexOf(name) >= 0; - } - }; - - function classedAdd(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.add(names[i]); - } - - function classedRemove(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.remove(names[i]); - } - - function classedTrue(names) { - return function() { - classedAdd(this, names); - }; - } - - function classedFalse(names) { - return function() { - classedRemove(this, names); - }; - } - - function classedFunction(names, value) { - return function() { - (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); - }; - } - - function selection_classed(name, value) { - var names = classArray(name + ""); - - if (arguments.length < 2) { - var list = classList(this.node()), i = -1, n = names.length; - while (++i < n) if (!list.contains(names[i])) return false; - return true; - } - - return this.each((typeof value === "function" - ? classedFunction : value - ? classedTrue - : classedFalse)(names, value)); - } - - function textRemove() { - this.textContent = ""; - } - - function textConstant(value) { - return function() { - this.textContent = value; - }; - } - - function textFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.textContent = v == null ? "" : v; - }; - } - - function selection_text(value) { - return arguments.length - ? this.each(value == null - ? textRemove : (typeof value === "function" - ? textFunction - : textConstant)(value)) - : this.node().textContent; - } - - function htmlRemove() { - this.innerHTML = ""; - } - - function htmlConstant(value) { - return function() { - this.innerHTML = value; - }; - } - - function htmlFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.innerHTML = v == null ? "" : v; - }; - } - - function selection_html(value) { - return arguments.length - ? this.each(value == null - ? htmlRemove : (typeof value === "function" - ? htmlFunction - : htmlConstant)(value)) - : this.node().innerHTML; - } - - function raise() { - if (this.nextSibling) this.parentNode.appendChild(this); - } - - function selection_raise() { - return this.each(raise); - } - - function lower() { - if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); - } - - function selection_lower() { - return this.each(lower); - } - - function selection_append(name) { - var create = typeof name === "function" ? name : creator(name); - return this.select(function() { - return this.appendChild(create.apply(this, arguments)); - }); - } - - function constantNull() { - return null; - } - - function selection_insert(name, before) { - var create = typeof name === "function" ? name : creator(name), - select = before == null ? constantNull : typeof before === "function" ? before : selector(before); - return this.select(function() { - return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); - }); - } - - function remove() { - var parent = this.parentNode; - if (parent) parent.removeChild(this); - } - - function selection_remove() { - return this.each(remove); - } - - function selection_cloneShallow() { - var clone = this.cloneNode(false), parent = this.parentNode; - return parent ? parent.insertBefore(clone, this.nextSibling) : clone; - } - - function selection_cloneDeep() { - var clone = this.cloneNode(true), parent = this.parentNode; - return parent ? parent.insertBefore(clone, this.nextSibling) : clone; - } - - function selection_clone(deep) { - return this.select(deep ? selection_cloneDeep : selection_cloneShallow); - } - - function selection_datum(value) { - return arguments.length - ? this.property("__data__", value) - : this.node().__data__; - } - - var filterEvents = {}; - - var event = null; - - if (typeof document !== "undefined") { - var element = document.documentElement; - if (!("onmouseenter" in element)) { - filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; - } - } - - function filterContextListener(listener, index, group) { - listener = contextListener(listener, index, group); - return function(event) { - var related = event.relatedTarget; - if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { - listener.call(this, event); - } - }; - } - - function contextListener(listener, index, group) { - return function(event1) { - var event0 = event; // Events can be reentrant (e.g., focus). - event = event1; - try { - listener.call(this, this.__data__, index, group); - } finally { - event = event0; - } - }; - } - - function parseTypenames$1(typenames) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - return {type: t, name: name}; - }); - } - - function onRemove(typename) { - return function() { - var on = this.__on; - if (!on) return; - for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { - if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - } else { - on[++i] = o; - } - } - if (++i) on.length = i; - else delete this.__on; - }; - } - - function onAdd(typename, value, capture) { - var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; - return function(d, i, group) { - var on = this.__on, o, listener = wrap(value, i, group); - if (on) for (var j = 0, m = on.length; j < m; ++j) { - if ((o = on[j]).type === typename.type && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - this.addEventListener(o.type, o.listener = listener, o.capture = capture); - o.value = value; - return; - } - } - this.addEventListener(typename.type, listener, capture); - o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; - if (!on) this.__on = [o]; - else on.push(o); - }; - } - - function selection_on(typename, value, capture) { - var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; - - if (arguments.length < 2) { - var on = this.node().__on; - if (on) for (var j = 0, m = on.length, o; j < m; ++j) { - for (i = 0, o = on[j]; i < n; ++i) { - if ((t = typenames[i]).type === o.type && t.name === o.name) { - return o.value; - } - } - } - return; - } - - on = value ? onAdd : onRemove; - if (capture == null) capture = false; - for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); - return this; - } - - function customEvent(event1, listener, that, args) { - var event0 = event; - event1.sourceEvent = event; - event = event1; - try { - return listener.apply(that, args); - } finally { - event = event0; - } - } - - function dispatchEvent(node, type, params) { - var window = defaultView(node), - event = window.CustomEvent; - - if (typeof event === "function") { - event = new event(type, params); - } else { - event = window.document.createEvent("Event"); - if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; - else event.initEvent(type, false, false); - } - - node.dispatchEvent(event); - } - - function dispatchConstant(type, params) { - return function() { - return dispatchEvent(this, type, params); - }; - } - - function dispatchFunction(type, params) { - return function() { - return dispatchEvent(this, type, params.apply(this, arguments)); - }; - } - - function selection_dispatch(type, params) { - return this.each((typeof params === "function" - ? dispatchFunction - : dispatchConstant)(type, params)); - } - - var root = [null]; - - function Selection(groups, parents) { - this._groups = groups; - this._parents = parents; - } - - function selection() { - return new Selection([[document.documentElement]], root); - } - - Selection.prototype = selection.prototype = { - constructor: Selection, - select: selection_select, - selectAll: selection_selectAll, - filter: selection_filter, - data: selection_data, - enter: selection_enter, - exit: selection_exit, - join: selection_join, - merge: selection_merge, - order: selection_order, - sort: selection_sort, - call: selection_call, - nodes: selection_nodes, - node: selection_node, - size: selection_size, - empty: selection_empty, - each: selection_each, - attr: selection_attr, - style: selection_style, - property: selection_property, - classed: selection_classed, - text: selection_text, - html: selection_html, - raise: selection_raise, - lower: selection_lower, - append: selection_append, - insert: selection_insert, - remove: selection_remove, - clone: selection_clone, - datum: selection_datum, - on: selection_on, - dispatch: selection_dispatch - }; - - function select(selector) { - return typeof selector === "string" - ? new Selection([[document.querySelector(selector)]], [document.documentElement]) - : new Selection([[selector]], root); - } - - function create(name) { - return select(creator(name).call(document.documentElement)); - } - - var nextId = 0; - - function local() { - return new Local; - } - - function Local() { - this._ = "@" + (++nextId).toString(36); - } - - Local.prototype = local.prototype = { - constructor: Local, - get: function(node) { - var id = this._; - while (!(id in node)) if (!(node = node.parentNode)) return; - return node[id]; - }, - set: function(node, value) { - return node[this._] = value; - }, - remove: function(node) { - return this._ in node && delete node[this._]; - }, - toString: function() { - return this._; - } - }; - - function sourceEvent() { - var current = event, source; - while (source = current.sourceEvent) current = source; - return current; - } - - function point(node, event) { - var svg = node.ownerSVGElement || node; - - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - point.x = event.clientX, point.y = event.clientY; - point = point.matrixTransform(node.getScreenCTM().inverse()); - return [point.x, point.y]; - } - - var rect = node.getBoundingClientRect(); - return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; - } - - function mouse(node) { - var event = sourceEvent(); - if (event.changedTouches) event = event.changedTouches[0]; - return point(node, event); - } - - function selectAll(selector) { - return typeof selector === "string" - ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) - : new Selection([selector == null ? [] : selector], root); - } - - function touch(node, touches, identifier) { - if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; - - for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { - if ((touch = touches[i]).identifier === identifier) { - return point(node, touch); - } - } - - return null; - } - - function touches(node, touches) { - if (touches == null) touches = sourceEvent().touches; - - for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { - points[i] = point(node, touches[i]); - } - - return points; - } - - function nopropagation() { - event.stopImmediatePropagation(); - } - - function noevent() { - event.preventDefault(); - event.stopImmediatePropagation(); - } - - function dragDisable(view) { - var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", noevent, true); - if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent, true); - } else { - root.__noselect = root.style.MozUserSelect; - root.style.MozUserSelect = "none"; - } - } - - function yesdrag(view, noclick) { - var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", null); - if (noclick) { - selection.on("click.drag", noevent, true); - setTimeout(function() { selection.on("click.drag", null); }, 0); - } - if ("onselectstart" in root) { - selection.on("selectstart.drag", null); - } else { - root.style.MozUserSelect = root.__noselect; - delete root.__noselect; - } - } - - function constant$2(x) { - return function() { - return x; - }; - } - - function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { - this.target = target; - this.type = type; - this.subject = subject; - this.identifier = id; - this.active = active; - this.x = x; - this.y = y; - this.dx = dx; - this.dy = dy; - this._ = dispatch; - } - - DragEvent.prototype.on = function() { - var value = this._.on.apply(this._, arguments); - return value === this._ ? this : value; - }; - - // Ignore right-click, since that should open the context menu. - function defaultFilter() { - return !event.ctrlKey && !event.button; - } - - function defaultContainer() { - return this.parentNode; - } - - function defaultSubject(d) { - return d == null ? {x: event.x, y: event.y} : d; - } - - function defaultTouchable() { - return navigator.maxTouchPoints || ("ontouchstart" in this); - } - - function drag() { - var filter = defaultFilter, - container = defaultContainer, - subject = defaultSubject, - touchable = defaultTouchable, - gestures = {}, - listeners = dispatch("start", "drag", "end"), - active = 0, - mousedownx, - mousedowny, - mousemoving, - touchending, - clickDistance2 = 0; - - function drag(selection) { - selection - .on("mousedown.drag", mousedowned) - .filter(touchable) - .on("touchstart.drag", touchstarted) - .on("touchmove.drag", touchmoved) - .on("touchend.drag touchcancel.drag", touchended) - .style("touch-action", "none") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } - - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); - if (!gesture) return; - select(event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); - dragDisable(event.view); - nopropagation(); - mousemoving = false; - mousedownx = event.clientX; - mousedowny = event.clientY; - gesture("start"); - } - - function mousemoved() { - noevent(); - if (!mousemoving) { - var dx = event.clientX - mousedownx, dy = event.clientY - mousedowny; - mousemoving = dx * dx + dy * dy > clickDistance2; - } - gestures.mouse("drag"); - } - - function mouseupped() { - select(event.view).on("mousemove.drag mouseup.drag", null); - yesdrag(event.view, mousemoving); - noevent(); - gestures.mouse("end"); - } - - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var touches = event.changedTouches, - c = container.apply(this, arguments), - n = touches.length, i, gesture; - - for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { - nopropagation(); - gesture("start"); - } - } - } - - function touchmoved() { - var touches = event.changedTouches, - n = touches.length, i, gesture; - - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - noevent(); - gesture("drag"); - } - } - } - - function touchended() { - var touches = event.changedTouches, - n = touches.length, i, gesture; - - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - nopropagation(); - gesture("end"); - } - } - } - - function beforestart(id, container, point, that, args) { - var p = point(container, id), s, dx, dy, - sublisteners = listeners.copy(); - - if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { - if ((event.subject = s = subject.apply(that, args)) == null) return false; - dx = s.x - p[0] || 0; - dy = s.y - p[1] || 0; - return true; - })) return; - - return function gesture(type) { - var p0 = p, n; - switch (type) { - case "start": gestures[id] = gesture, n = active++; break; - case "end": delete gestures[id], --active; // nobreak - case "drag": p = point(container, id), n = active; break; - } - customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); - }; - } - - drag.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$2(!!_), drag) : filter; - }; - - drag.container = function(_) { - return arguments.length ? (container = typeof _ === "function" ? _ : constant$2(_), drag) : container; - }; - - drag.subject = function(_) { - return arguments.length ? (subject = typeof _ === "function" ? _ : constant$2(_), drag) : subject; - }; - - drag.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$2(!!_), drag) : touchable; - }; - - drag.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? drag : value; - }; - - drag.clickDistance = function(_) { - return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2); - }; - - return drag; - } - - function define(constructor, factory, prototype) { - constructor.prototype = factory.prototype = prototype; - prototype.constructor = constructor; - } - - function extend(parent, definition) { - var prototype = Object.create(parent.prototype); - for (var key in definition) prototype[key] = definition[key]; - return prototype; - } - - function Color() {} - - var darker = 0.7; - var brighter = 1 / darker; - - var reI = "\\s*([+-]?\\d+)\\s*", - reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*", - reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*", - reHex = /^#([0-9a-f]{3,8})$/, - reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"), - reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"), - reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"), - reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"), - reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"), - reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); - - var named = { - aliceblue: 0xf0f8ff, - antiquewhite: 0xfaebd7, - aqua: 0x00ffff, - aquamarine: 0x7fffd4, - azure: 0xf0ffff, - beige: 0xf5f5dc, - bisque: 0xffe4c4, - black: 0x000000, - blanchedalmond: 0xffebcd, - blue: 0x0000ff, - blueviolet: 0x8a2be2, - brown: 0xa52a2a, - burlywood: 0xdeb887, - cadetblue: 0x5f9ea0, - chartreuse: 0x7fff00, - chocolate: 0xd2691e, - coral: 0xff7f50, - cornflowerblue: 0x6495ed, - cornsilk: 0xfff8dc, - crimson: 0xdc143c, - cyan: 0x00ffff, - darkblue: 0x00008b, - darkcyan: 0x008b8b, - darkgoldenrod: 0xb8860b, - darkgray: 0xa9a9a9, - darkgreen: 0x006400, - darkgrey: 0xa9a9a9, - darkkhaki: 0xbdb76b, - darkmagenta: 0x8b008b, - darkolivegreen: 0x556b2f, - darkorange: 0xff8c00, - darkorchid: 0x9932cc, - darkred: 0x8b0000, - darksalmon: 0xe9967a, - darkseagreen: 0x8fbc8f, - darkslateblue: 0x483d8b, - darkslategray: 0x2f4f4f, - darkslategrey: 0x2f4f4f, - darkturquoise: 0x00ced1, - darkviolet: 0x9400d3, - deeppink: 0xff1493, - deepskyblue: 0x00bfff, - dimgray: 0x696969, - dimgrey: 0x696969, - dodgerblue: 0x1e90ff, - firebrick: 0xb22222, - floralwhite: 0xfffaf0, - forestgreen: 0x228b22, - fuchsia: 0xff00ff, - gainsboro: 0xdcdcdc, - ghostwhite: 0xf8f8ff, - gold: 0xffd700, - goldenrod: 0xdaa520, - gray: 0x808080, - green: 0x008000, - greenyellow: 0xadff2f, - grey: 0x808080, - honeydew: 0xf0fff0, - hotpink: 0xff69b4, - indianred: 0xcd5c5c, - indigo: 0x4b0082, - ivory: 0xfffff0, - khaki: 0xf0e68c, - lavender: 0xe6e6fa, - lavenderblush: 0xfff0f5, - lawngreen: 0x7cfc00, - lemonchiffon: 0xfffacd, - lightblue: 0xadd8e6, - lightcoral: 0xf08080, - lightcyan: 0xe0ffff, - lightgoldenrodyellow: 0xfafad2, - lightgray: 0xd3d3d3, - lightgreen: 0x90ee90, - lightgrey: 0xd3d3d3, - lightpink: 0xffb6c1, - lightsalmon: 0xffa07a, - lightseagreen: 0x20b2aa, - lightskyblue: 0x87cefa, - lightslategray: 0x778899, - lightslategrey: 0x778899, - lightsteelblue: 0xb0c4de, - lightyellow: 0xffffe0, - lime: 0x00ff00, - limegreen: 0x32cd32, - linen: 0xfaf0e6, - magenta: 0xff00ff, - maroon: 0x800000, - mediumaquamarine: 0x66cdaa, - mediumblue: 0x0000cd, - mediumorchid: 0xba55d3, - mediumpurple: 0x9370db, - mediumseagreen: 0x3cb371, - mediumslateblue: 0x7b68ee, - mediumspringgreen: 0x00fa9a, - mediumturquoise: 0x48d1cc, - mediumvioletred: 0xc71585, - midnightblue: 0x191970, - mintcream: 0xf5fffa, - mistyrose: 0xffe4e1, - moccasin: 0xffe4b5, - navajowhite: 0xffdead, - navy: 0x000080, - oldlace: 0xfdf5e6, - olive: 0x808000, - olivedrab: 0x6b8e23, - orange: 0xffa500, - orangered: 0xff4500, - orchid: 0xda70d6, - palegoldenrod: 0xeee8aa, - palegreen: 0x98fb98, - paleturquoise: 0xafeeee, - palevioletred: 0xdb7093, - papayawhip: 0xffefd5, - peachpuff: 0xffdab9, - peru: 0xcd853f, - pink: 0xffc0cb, - plum: 0xdda0dd, - powderblue: 0xb0e0e6, - purple: 0x800080, - rebeccapurple: 0x663399, - red: 0xff0000, - rosybrown: 0xbc8f8f, - royalblue: 0x4169e1, - saddlebrown: 0x8b4513, - salmon: 0xfa8072, - sandybrown: 0xf4a460, - seagreen: 0x2e8b57, - seashell: 0xfff5ee, - sienna: 0xa0522d, - silver: 0xc0c0c0, - skyblue: 0x87ceeb, - slateblue: 0x6a5acd, - slategray: 0x708090, - slategrey: 0x708090, - snow: 0xfffafa, - springgreen: 0x00ff7f, - steelblue: 0x4682b4, - tan: 0xd2b48c, - teal: 0x008080, - thistle: 0xd8bfd8, - tomato: 0xff6347, - turquoise: 0x40e0d0, - violet: 0xee82ee, - wheat: 0xf5deb3, - white: 0xffffff, - whitesmoke: 0xf5f5f5, - yellow: 0xffff00, - yellowgreen: 0x9acd32 - }; - - define(Color, color, { - copy: function(channels) { - return Object.assign(new this.constructor, this, channels); - }, - displayable: function() { - return this.rgb().displayable(); - }, - hex: color_formatHex, // Deprecated! Use color.formatHex. - formatHex: color_formatHex, - formatHsl: color_formatHsl, - formatRgb: color_formatRgb, - toString: color_formatRgb - }); - - function color_formatHex() { - return this.rgb().formatHex(); - } - - function color_formatHsl() { - return hslConvert(this).formatHsl(); - } - - function color_formatRgb() { - return this.rgb().formatRgb(); - } - - function color(format) { - var m, l; - format = (format + "").trim().toLowerCase(); - return (m = reHex.exec(format)) ? (l = m[1].length, m = parseInt(m[1], 16), l === 6 ? rgbn(m) // #ff0000 - : l === 3 ? new Rgb((m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1) // #f00 - : l === 8 ? rgba(m >> 24 & 0xff, m >> 16 & 0xff, m >> 8 & 0xff, (m & 0xff) / 0xff) // #ff000000 - : l === 4 ? rgba((m >> 12 & 0xf) | (m >> 8 & 0xf0), (m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), (((m & 0xf) << 4) | (m & 0xf)) / 0xff) // #f000 - : null) // invalid hex - : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) - : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) - : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) - : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) - : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) - : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) - : named.hasOwnProperty(format) ? rgbn(named[format]) // eslint-disable-line no-prototype-builtins - : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) - : null; - } - - function rgbn(n) { - return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); - } - - function rgba(r, g, b, a) { - if (a <= 0) r = g = b = NaN; - return new Rgb(r, g, b, a); - } - - function rgbConvert(o) { - if (!(o instanceof Color)) o = color(o); - if (!o) return new Rgb; - o = o.rgb(); - return new Rgb(o.r, o.g, o.b, o.opacity); - } - - function rgb(r, g, b, opacity) { - return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); - } - - function Rgb(r, g, b, opacity) { - this.r = +r; - this.g = +g; - this.b = +b; - this.opacity = +opacity; - } - - define(Rgb, rgb, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - rgb: function() { - return this; - }, - displayable: function() { - return (-0.5 <= this.r && this.r < 255.5) - && (-0.5 <= this.g && this.g < 255.5) - && (-0.5 <= this.b && this.b < 255.5) - && (0 <= this.opacity && this.opacity <= 1); - }, - hex: rgb_formatHex, // Deprecated! Use color.formatHex. - formatHex: rgb_formatHex, - formatRgb: rgb_formatRgb, - toString: rgb_formatRgb - })); - - function rgb_formatHex() { - return "#" + hex(this.r) + hex(this.g) + hex(this.b); - } - - function rgb_formatRgb() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "rgb(" : "rgba(") - + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.b) || 0)) - + (a === 1 ? ")" : ", " + a + ")"); - } - - function hex(value) { - value = Math.max(0, Math.min(255, Math.round(value) || 0)); - return (value < 16 ? "0" : "") + value.toString(16); - } - - function hsla(h, s, l, a) { - if (a <= 0) h = s = l = NaN; - else if (l <= 0 || l >= 1) h = s = NaN; - else if (s <= 0) h = NaN; - return new Hsl(h, s, l, a); - } - - function hslConvert(o) { - if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Color)) o = color(o); - if (!o) return new Hsl; - if (o instanceof Hsl) return o; - o = o.rgb(); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - h = NaN, - s = max - min, - l = (max + min) / 2; - if (s) { - if (r === max) h = (g - b) / s + (g < b) * 6; - else if (g === max) h = (b - r) / s + 2; - else h = (r - g) / s + 4; - s /= l < 0.5 ? max + min : 2 - max - min; - h *= 60; - } else { - s = l > 0 && l < 1 ? 0 : h; - } - return new Hsl(h, s, l, o.opacity); - } - - function hsl(h, s, l, opacity) { - return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); - } - - function Hsl(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; - } - - define(Hsl, hsl, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = this.h % 360 + (this.h < 0) * 360, - s = isNaN(h) || isNaN(this.s) ? 0 : this.s, - l = this.l, - m2 = l + (l < 0.5 ? l : 1 - l) * s, - m1 = 2 * l - m2; - return new Rgb( - hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), - hsl2rgb(h, m1, m2), - hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), - this.opacity - ); - }, - displayable: function() { - return (0 <= this.s && this.s <= 1 || isNaN(this.s)) - && (0 <= this.l && this.l <= 1) - && (0 <= this.opacity && this.opacity <= 1); - }, - formatHsl: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "hsl(" : "hsla(") - + (this.h || 0) + ", " - + (this.s || 0) * 100 + "%, " - + (this.l || 0) * 100 + "%" - + (a === 1 ? ")" : ", " + a + ")"); - } - })); - - /* From FvD 13.37, CSS Color Module Level 3 */ - function hsl2rgb(h, m1, m2) { - return (h < 60 ? m1 + (m2 - m1) * h / 60 - : h < 180 ? m2 - : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 - : m1) * 255; - } - - var deg2rad = Math.PI / 180; - var rad2deg = 180 / Math.PI; - - // https://observablehq.com/@mbostock/lab-and-rgb - var K = 18, - Xn = 0.96422, - Yn = 1, - Zn = 0.82521, - t0 = 4 / 29, - t1 = 6 / 29, - t2 = 3 * t1 * t1, - t3 = t1 * t1 * t1; - - function labConvert(o) { - if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); - if (o instanceof Hcl) return hcl2lab(o); - if (!(o instanceof Rgb)) o = rgbConvert(o); - var r = rgb2lrgb(o.r), - g = rgb2lrgb(o.g), - b = rgb2lrgb(o.b), - y = xyz2lab((0.2225045 * r + 0.7168786 * g + 0.0606169 * b) / Yn), x, z; - if (r === g && g === b) x = z = y; else { - x = xyz2lab((0.4360747 * r + 0.3850649 * g + 0.1430804 * b) / Xn); - z = xyz2lab((0.0139322 * r + 0.0971045 * g + 0.7141733 * b) / Zn); - } - return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); - } - - function gray(l, opacity) { - return new Lab(l, 0, 0, opacity == null ? 1 : opacity); - } - - function lab(l, a, b, opacity) { - return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); - } - - function Lab(l, a, b, opacity) { - this.l = +l; - this.a = +a; - this.b = +b; - this.opacity = +opacity; - } - - define(Lab, lab, extend(Color, { - brighter: function(k) { - return new Lab(this.l + K * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - darker: function(k) { - return new Lab(this.l - K * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - rgb: function() { - var y = (this.l + 16) / 116, - x = isNaN(this.a) ? y : y + this.a / 500, - z = isNaN(this.b) ? y : y - this.b / 200; - x = Xn * lab2xyz(x); - y = Yn * lab2xyz(y); - z = Zn * lab2xyz(z); - return new Rgb( - lrgb2rgb( 3.1338561 * x - 1.6168667 * y - 0.4906146 * z), - lrgb2rgb(-0.9787684 * x + 1.9161415 * y + 0.0334540 * z), - lrgb2rgb( 0.0719453 * x - 0.2289914 * y + 1.4052427 * z), - this.opacity - ); - } - })); - - function xyz2lab(t) { - return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; - } - - function lab2xyz(t) { - return t > t1 ? t * t * t : t2 * (t - t0); - } - - function lrgb2rgb(x) { - return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); - } - - function rgb2lrgb(x) { - return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); - } - - function hclConvert(o) { - if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); - if (!(o instanceof Lab)) o = labConvert(o); - if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0 < o.l && o.l < 100 ? 0 : NaN, o.l, o.opacity); - var h = Math.atan2(o.b, o.a) * rad2deg; - return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); - } - - function lch(l, c, h, opacity) { - return arguments.length === 1 ? hclConvert(l) : new Hcl(h, c, l, opacity == null ? 1 : opacity); - } - - function hcl(h, c, l, opacity) { - return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); - } - - function Hcl(h, c, l, opacity) { - this.h = +h; - this.c = +c; - this.l = +l; - this.opacity = +opacity; - } - - function hcl2lab(o) { - if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity); - var h = o.h * deg2rad; - return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); - } - - define(Hcl, hcl, extend(Color, { - brighter: function(k) { - return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity); - }, - darker: function(k) { - return new Hcl(this.h, this.c, this.l - K * (k == null ? 1 : k), this.opacity); - }, - rgb: function() { - return hcl2lab(this).rgb(); - } - })); - - var A = -0.14861, - B = +1.78277, - C = -0.29227, - D = -0.90649, - E = +1.97294, - ED = E * D, - EB = E * B, - BC_DA = B * C - D * A; - - function cubehelixConvert(o) { - if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Rgb)) o = rgbConvert(o); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), - bl = b - l, - k = (E * (g - l) - C * bl) / D, - s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 - h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; - return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); - } - - function cubehelix(h, s, l, opacity) { - return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); - } - - function Cubehelix(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; - } - - define(Cubehelix, cubehelix, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, - l = +this.l, - a = isNaN(this.s) ? 0 : this.s * l * (1 - l), - cosh = Math.cos(h), - sinh = Math.sin(h); - return new Rgb( - 255 * (l + a * (A * cosh + B * sinh)), - 255 * (l + a * (C * cosh + D * sinh)), - 255 * (l + a * (E * cosh)), - this.opacity - ); - } - })); - - function basis(t1, v0, v1, v2, v3) { - var t2 = t1 * t1, t3 = t2 * t1; - return ((1 - 3 * t1 + 3 * t2 - t3) * v0 - + (4 - 6 * t2 + 3 * t3) * v1 - + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 - + t3 * v3) / 6; - } - - function basis$1(values) { - var n = values.length - 1; - return function(t) { - var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), - v1 = values[i], - v2 = values[i + 1], - v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, - v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; - return basis((t - i / n) * n, v0, v1, v2, v3); - }; - } - - function basisClosed(values) { - var n = values.length; - return function(t) { - var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), - v0 = values[(i + n - 1) % n], - v1 = values[i % n], - v2 = values[(i + 1) % n], - v3 = values[(i + 2) % n]; - return basis((t - i / n) * n, v0, v1, v2, v3); - }; - } - - function constant$3(x) { - return function() { - return x; - }; - } - - function linear(a, d) { - return function(t) { - return a + t * d; - }; - } - - function exponential(a, b, y) { - return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { - return Math.pow(a + t * b, y); - }; - } - - function hue(a, b) { - var d = b - a; - return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a); - } - - function gamma(y) { - return (y = +y) === 1 ? nogamma : function(a, b) { - return b - a ? exponential(a, b, y) : constant$3(isNaN(a) ? b : a); - }; - } - - function nogamma(a, b) { - var d = b - a; - return d ? linear(a, d) : constant$3(isNaN(a) ? b : a); - } - - var interpolateRgb = (function rgbGamma(y) { - var color = gamma(y); - - function rgb$1(start, end) { - var r = color((start = rgb(start)).r, (end = rgb(end)).r), - g = color(start.g, end.g), - b = color(start.b, end.b), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.r = r(t); - start.g = g(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; - }; - } - - rgb$1.gamma = rgbGamma; - - return rgb$1; - })(1); - - function rgbSpline(spline) { - return function(colors) { - var n = colors.length, - r = new Array(n), - g = new Array(n), - b = new Array(n), - i, color; - for (i = 0; i < n; ++i) { - color = rgb(colors[i]); - r[i] = color.r || 0; - g[i] = color.g || 0; - b[i] = color.b || 0; - } - r = spline(r); - g = spline(g); - b = spline(b); - color.opacity = 1; - return function(t) { - color.r = r(t); - color.g = g(t); - color.b = b(t); - return color + ""; - }; - }; - } - - var rgbBasis = rgbSpline(basis$1); - var rgbBasisClosed = rgbSpline(basisClosed); - - function numberArray(a, b) { - if (!b) b = []; - var n = a ? Math.min(b.length, a.length) : 0, - c = b.slice(), - i; - return function(t) { - for (i = 0; i < n; ++i) c[i] = a[i] * (1 - t) + b[i] * t; - return c; - }; - } - - function isNumberArray(x) { - return ArrayBuffer.isView(x) && !(x instanceof DataView); - } - - function array$1(a, b) { - return (isNumberArray(b) ? numberArray : genericArray)(a, b); - } - - function genericArray(a, b) { - var nb = b ? b.length : 0, - na = a ? Math.min(nb, a.length) : 0, - x = new Array(na), - c = new Array(nb), - i; - - for (i = 0; i < na; ++i) x[i] = interpolateValue(a[i], b[i]); - for (; i < nb; ++i) c[i] = b[i]; - - return function(t) { - for (i = 0; i < na; ++i) c[i] = x[i](t); - return c; - }; - } - - function date(a, b) { - var d = new Date; - return a = +a, b = +b, function(t) { - return d.setTime(a * (1 - t) + b * t), d; - }; - } - - function interpolateNumber(a, b) { - return a = +a, b = +b, function(t) { - return a * (1 - t) + b * t; - }; - } - - function object(a, b) { - var i = {}, - c = {}, - k; - - if (a === null || typeof a !== "object") a = {}; - if (b === null || typeof b !== "object") b = {}; - - for (k in b) { - if (k in a) { - i[k] = interpolateValue(a[k], b[k]); - } else { - c[k] = b[k]; - } - } - - return function(t) { - for (k in i) c[k] = i[k](t); - return c; - }; - } - - var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, - reB = new RegExp(reA.source, "g"); - - function zero(b) { - return function() { - return b; - }; - } - - function one(b) { - return function(t) { - return b(t) + ""; - }; - } - - function interpolateString(a, b) { - var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b - am, // current match in a - bm, // current match in b - bs, // string preceding current number in b, if any - i = -1, // index in s - s = [], // string constants and placeholders - q = []; // number interpolators - - // Coerce inputs to strings. - a = a + "", b = b + ""; - - // Interpolate pairs of numbers in a & b. - while ((am = reA.exec(a)) - && (bm = reB.exec(b))) { - if ((bs = bm.index) > bi) { // a string precedes the next number in b - bs = b.slice(bi, bs); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; - } - if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match - if (s[i]) s[i] += bm; // coalesce with previous string - else s[++i] = bm; - } else { // interpolate non-matching numbers - s[++i] = null; - q.push({i: i, x: interpolateNumber(am, bm)}); - } - bi = reB.lastIndex; - } - - // Add remains of b. - if (bi < b.length) { - bs = b.slice(bi); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; - } - - // Special optimization for only a single match. - // Otherwise, interpolate each of the numbers and rejoin the string. - return s.length < 2 ? (q[0] - ? one(q[0].x) - : zero(b)) - : (b = q.length, function(t) { - for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }); - } - - function interpolateValue(a, b) { - var t = typeof b, c; - return b == null || t === "boolean" ? constant$3(b) - : (t === "number" ? interpolateNumber - : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) - : b instanceof color ? interpolateRgb - : b instanceof Date ? date - : isNumberArray(b) ? numberArray - : Array.isArray(b) ? genericArray - : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object - : interpolateNumber)(a, b); - } - - function discrete(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; - }; - } - - function hue$1(a, b) { - var i = hue(+a, +b); - return function(t) { - var x = i(t); - return x - 360 * Math.floor(x / 360); - }; - } - - function interpolateRound(a, b) { - return a = +a, b = +b, function(t) { - return Math.round(a * (1 - t) + b * t); - }; - } - - var degrees = 180 / Math.PI; - - var identity$2 = { - translateX: 0, - translateY: 0, - rotate: 0, - skewX: 0, - scaleX: 1, - scaleY: 1 - }; - - function decompose(a, b, c, d, e, f) { - var scaleX, scaleY, skewX; - if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; - if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; - if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; - if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; - return { - translateX: e, - translateY: f, - rotate: Math.atan2(b, a) * degrees, - skewX: Math.atan(skewX) * degrees, - scaleX: scaleX, - scaleY: scaleY - }; - } - - var cssNode, - cssRoot, - cssView, - svgNode; - - function parseCss(value) { - if (value === "none") return identity$2; - if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; - cssNode.style.transform = value; - value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); - cssRoot.removeChild(cssNode); - value = value.slice(7, -1).split(","); - return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); - } - - function parseSvg(value) { - if (value == null) return identity$2; - if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); - svgNode.setAttribute("transform", value); - if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; - value = value.matrix; - return decompose(value.a, value.b, value.c, value.d, value.e, value.f); - } - - function interpolateTransform(parse, pxComma, pxParen, degParen) { - - function pop(s) { - return s.length ? s.pop() + " " : ""; - } - - function translate(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push("translate(", null, pxComma, null, pxParen); - q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); - } else if (xb || yb) { - s.push("translate(" + xb + pxComma + yb + pxParen); - } - } - - function rotate(a, b, s, q) { - if (a !== b) { - if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path - q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); - } else if (b) { - s.push(pop(s) + "rotate(" + b + degParen); - } - } - - function skewX(a, b, s, q) { - if (a !== b) { - q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); - } else if (b) { - s.push(pop(s) + "skewX(" + b + degParen); - } - } - - function scale(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push(pop(s) + "scale(", null, ",", null, ")"); - q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); - } else if (xb !== 1 || yb !== 1) { - s.push(pop(s) + "scale(" + xb + "," + yb + ")"); - } - } - - return function(a, b) { - var s = [], // string constants and placeholders - q = []; // number interpolators - a = parse(a), b = parse(b); - translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); - rotate(a.rotate, b.rotate, s, q); - skewX(a.skewX, b.skewX, s, q); - scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); - a = b = null; // gc - return function(t) { - var i = -1, n = q.length, o; - while (++i < n) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }; - }; - } - - var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); - var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); - - var rho = Math.SQRT2, - rho2 = 2, - rho4 = 4, - epsilon2 = 1e-12; - - function cosh(x) { - return ((x = Math.exp(x)) + 1 / x) / 2; - } - - function sinh(x) { - return ((x = Math.exp(x)) - 1 / x) / 2; - } - - function tanh(x) { - return ((x = Math.exp(2 * x)) - 1) / (x + 1); - } - - // p0 = [ux0, uy0, w0] - // p1 = [ux1, uy1, w1] - function interpolateZoom(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], - ux1 = p1[0], uy1 = p1[1], w1 = p1[2], - dx = ux1 - ux0, - dy = uy1 - uy0, - d2 = dx * dx + dy * dy, - i, - S; - - // Special case for u0 ≅ u1. - if (d2 < epsilon2) { - S = Math.log(w1 / w0) / rho; - i = function(t) { - return [ - ux0 + t * dx, - uy0 + t * dy, - w0 * Math.exp(rho * t * S) - ]; - }; - } - - // General case. - else { - var d1 = Math.sqrt(d2), - b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), - b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), - r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), - r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); - S = (r1 - r0) / rho; - i = function(t) { - var s = t * S, - coshr0 = cosh(r0), - u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); - return [ - ux0 + u * dx, - uy0 + u * dy, - w0 * coshr0 / cosh(rho * s + r0) - ]; - }; - } - - i.duration = S * 1000; - - return i; - } - - function hsl$1(hue) { - return function(start, end) { - var h = hue((start = hsl(start)).h, (end = hsl(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } - } - - var hsl$2 = hsl$1(hue); - var hslLong = hsl$1(nogamma); - - function lab$1(start, end) { - var l = nogamma((start = lab(start)).l, (end = lab(end)).l), - a = nogamma(start.a, end.a), - b = nogamma(start.b, end.b), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.l = l(t); - start.a = a(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; - }; - } - - function hcl$1(hue) { - return function(start, end) { - var h = hue((start = hcl(start)).h, (end = hcl(end)).h), - c = nogamma(start.c, end.c), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.c = c(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } - } - - var hcl$2 = hcl$1(hue); - var hclLong = hcl$1(nogamma); - - function cubehelix$1(hue) { - return (function cubehelixGamma(y) { - y = +y; - - function cubehelix$1(start, end) { - var h = hue((start = cubehelix(start)).h, (end = cubehelix(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(Math.pow(t, y)); - start.opacity = opacity(t); - return start + ""; - }; - } - - cubehelix$1.gamma = cubehelixGamma; - - return cubehelix$1; - })(1); - } - - var cubehelix$2 = cubehelix$1(hue); - var cubehelixLong = cubehelix$1(nogamma); - - function piecewise(interpolate, values) { - var i = 0, n = values.length - 1, v = values[0], I = new Array(n < 0 ? 0 : n); - while (i < n) I[i] = interpolate(v, v = values[++i]); - return function(t) { - var i = Math.max(0, Math.min(n - 1, Math.floor(t *= n))); - return I[i](t - i); - }; - } - - function quantize(interpolator, n) { - var samples = new Array(n); - for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); - return samples; - } - - var frame = 0, // is an animation frame pending? - timeout = 0, // is a timeout pending? - interval = 0, // are any timers active? - pokeDelay = 1000, // how frequently we check for clock skew - taskHead, - taskTail, - clockLast = 0, - clockNow = 0, - clockSkew = 0, - clock = typeof performance === "object" && performance.now ? performance : Date, - setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); }; - - function now() { - return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); - } - - function clearNow() { - clockNow = 0; - } - - function Timer() { - this._call = - this._time = - this._next = null; - } - - Timer.prototype = timer.prototype = { - constructor: Timer, - restart: function(callback, delay, time) { - if (typeof callback !== "function") throw new TypeError("callback is not a function"); - time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); - if (!this._next && taskTail !== this) { - if (taskTail) taskTail._next = this; - else taskHead = this; - taskTail = this; - } - this._call = callback; - this._time = time; - sleep(); - }, - stop: function() { - if (this._call) { - this._call = null; - this._time = Infinity; - sleep(); - } - } - }; - - function timer(callback, delay, time) { - var t = new Timer; - t.restart(callback, delay, time); - return t; - } - - function timerFlush() { - now(); // Get the current time, if not already set. - ++frame; // Pretend we’ve set an alarm, if we haven’t already. - var t = taskHead, e; - while (t) { - if ((e = clockNow - t._time) >= 0) t._call.call(null, e); - t = t._next; - } - --frame; - } - - function wake() { - clockNow = (clockLast = clock.now()) + clockSkew; - frame = timeout = 0; - try { - timerFlush(); - } finally { - frame = 0; - nap(); - clockNow = 0; - } - } - - function poke() { - var now = clock.now(), delay = now - clockLast; - if (delay > pokeDelay) clockSkew -= delay, clockLast = now; - } - - function nap() { - var t0, t1 = taskHead, t2, time = Infinity; - while (t1) { - if (t1._call) { - if (time > t1._time) time = t1._time; - t0 = t1, t1 = t1._next; - } else { - t2 = t1._next, t1._next = null; - t1 = t0 ? t0._next = t2 : taskHead = t2; - } - } - taskTail = t0; - sleep(time); - } - - function sleep(time) { - if (frame) return; // Soonest alarm already set, or will be. - if (timeout) timeout = clearTimeout(timeout); - var delay = time - clockNow; // Strictly less than if we recomputed clockNow. - if (delay > 24) { - if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew); - if (interval) interval = clearInterval(interval); - } else { - if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay); - frame = 1, setFrame(wake); - } - } - - function timeout$1(callback, delay, time) { - var t = new Timer; - delay = delay == null ? 0 : +delay; - t.restart(function(elapsed) { - t.stop(); - callback(elapsed + delay); - }, delay, time); - return t; - } - - function interval$1(callback, delay, time) { - var t = new Timer, total = delay; - if (delay == null) return t.restart(callback, delay, time), t; - delay = +delay, time = time == null ? now() : +time; - t.restart(function tick(elapsed) { - elapsed += total; - t.restart(tick, total += delay, time); - callback(elapsed); - }, delay, time); - return t; - } - - var emptyOn = dispatch("start", "end", "cancel", "interrupt"); - var emptyTween = []; - - var CREATED = 0; - var SCHEDULED = 1; - var STARTING = 2; - var STARTED = 3; - var RUNNING = 4; - var ENDING = 5; - var ENDED = 6; - - function schedule(node, name, id, index, group, timing) { - var schedules = node.__transition; - if (!schedules) node.__transition = {}; - else if (id in schedules) return; - create$1(node, id, { - name: name, - index: index, // For context during callback. - group: group, // For context during callback. - on: emptyOn, - tween: emptyTween, - time: timing.time, - delay: timing.delay, - duration: timing.duration, - ease: timing.ease, - timer: null, - state: CREATED - }); - } - - function init(node, id) { - var schedule = get$1(node, id); - if (schedule.state > CREATED) throw new Error("too late; already scheduled"); - return schedule; - } - - function set$1(node, id) { - var schedule = get$1(node, id); - if (schedule.state > STARTED) throw new Error("too late; already running"); - return schedule; - } - - function get$1(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found"); - return schedule; - } - - function create$1(node, id, self) { - var schedules = node.__transition, - tween; - - // Initialize the self timer when the transition is created. - // Note the actual delay is not known until the first callback! - schedules[id] = self; - self.timer = timer(schedule, 0, self.time); - - function schedule(elapsed) { - self.state = SCHEDULED; - self.timer.restart(start, self.delay, self.time); - - // If the elapsed delay is less than our first sleep, start immediately. - if (self.delay <= elapsed) start(elapsed - self.delay); - } - - function start(elapsed) { - var i, j, n, o; - - // If the state is not SCHEDULED, then we previously errored on start. - if (self.state !== SCHEDULED) return stop(); - - for (i in schedules) { - o = schedules[i]; - if (o.name !== self.name) continue; - - // While this element already has a starting transition during this frame, - // defer starting an interrupting transition until that transition has a - // chance to tick (and possibly end); see d3/d3-transition#54! - if (o.state === STARTED) return timeout$1(start); - - // Interrupt the active transition, if any. - if (o.state === RUNNING) { - o.state = ENDED; - o.timer.stop(); - o.on.call("interrupt", node, node.__data__, o.index, o.group); - delete schedules[i]; - } - - // Cancel any pre-empted transitions. - else if (+i < id) { - o.state = ENDED; - o.timer.stop(); - o.on.call("cancel", node, node.__data__, o.index, o.group); - delete schedules[i]; - } - } - - // Defer the first tick to end of the current frame; see d3/d3#1576. - // Note the transition may be canceled after start and before the first tick! - // Note this must be scheduled before the start event; see d3/d3-transition#16! - // Assuming this is successful, subsequent callbacks go straight to tick. - timeout$1(function() { - if (self.state === STARTED) { - self.state = RUNNING; - self.timer.restart(tick, self.delay, self.time); - tick(elapsed); - } - }); - - // Dispatch the start event. - // Note this must be done before the tween are initialized. - self.state = STARTING; - self.on.call("start", node, node.__data__, self.index, self.group); - if (self.state !== STARTING) return; // interrupted - self.state = STARTED; - - // Initialize the tween, deleting null tween. - tween = new Array(n = self.tween.length); - for (i = 0, j = -1; i < n; ++i) { - if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { - tween[++j] = o; - } - } - tween.length = j + 1; - } - - function tick(elapsed) { - var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1), - i = -1, - n = tween.length; - - while (++i < n) { - tween[i].call(node, t); - } - - // Dispatch the end event. - if (self.state === ENDING) { - self.on.call("end", node, node.__data__, self.index, self.group); - stop(); - } - } - - function stop() { - self.state = ENDED; - self.timer.stop(); - delete schedules[id]; - for (var i in schedules) return; // eslint-disable-line no-unused-vars - delete node.__transition; - } - } - - function interrupt(node, name) { - var schedules = node.__transition, - schedule, - active, - empty = true, - i; - - if (!schedules) return; - - name = name == null ? null : name + ""; - - for (i in schedules) { - if ((schedule = schedules[i]).name !== name) { empty = false; continue; } - active = schedule.state > STARTING && schedule.state < ENDING; - schedule.state = ENDED; - schedule.timer.stop(); - schedule.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule.index, schedule.group); - delete schedules[i]; - } - - if (empty) delete node.__transition; - } - - function selection_interrupt(name) { - return this.each(function() { - interrupt(this, name); - }); - } - - function tweenRemove(id, name) { - var tween0, tween1; - return function() { - var schedule = set$1(this, id), - tween = schedule.tween; - - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = tween0 = tween; - for (var i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1 = tween1.slice(); - tween1.splice(i, 1); - break; - } - } - } - - schedule.tween = tween1; - }; - } - - function tweenFunction(id, name, value) { - var tween0, tween1; - if (typeof value !== "function") throw new Error; - return function() { - var schedule = set$1(this, id), - tween = schedule.tween; - - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = (tween0 = tween).slice(); - for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1[i] = t; - break; - } - } - if (i === n) tween1.push(t); - } - - schedule.tween = tween1; - }; - } - - function transition_tween(name, value) { - var id = this._id; - - name += ""; - - if (arguments.length < 2) { - var tween = get$1(this.node(), id).tween; - for (var i = 0, n = tween.length, t; i < n; ++i) { - if ((t = tween[i]).name === name) { - return t.value; - } - } - return null; - } - - return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); - } - - function tweenValue(transition, name, value) { - var id = transition._id; - - transition.each(function() { - var schedule = set$1(this, id); - (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); - }); - - return function(node) { - return get$1(node, id).value[name]; - }; - } - - function interpolate(a, b) { - var c; - return (typeof b === "number" ? interpolateNumber - : b instanceof color ? interpolateRgb - : (c = color(b)) ? (b = c, interpolateRgb) - : interpolateString)(a, b); - } - - function attrRemove$1(name) { - return function() { - this.removeAttribute(name); - }; - } - - function attrRemoveNS$1(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; - } - - function attrConstant$1(name, interpolate, value1) { - var string00, - string1 = value1 + "", - interpolate0; - return function() { - var string0 = this.getAttribute(name); - return string0 === string1 ? null - : string0 === string00 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, value1); - }; - } - - function attrConstantNS$1(fullname, interpolate, value1) { - var string00, - string1 = value1 + "", - interpolate0; - return function() { - var string0 = this.getAttributeNS(fullname.space, fullname.local); - return string0 === string1 ? null - : string0 === string00 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, value1); - }; - } - - function attrFunction$1(name, interpolate, value) { - var string00, - string10, - interpolate0; - return function() { - var string0, value1 = value(this), string1; - if (value1 == null) return void this.removeAttribute(name); - string0 = this.getAttribute(name); - string1 = value1 + ""; - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); - }; - } - - function attrFunctionNS$1(fullname, interpolate, value) { - var string00, - string10, - interpolate0; - return function() { - var string0, value1 = value(this), string1; - if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); - string0 = this.getAttributeNS(fullname.space, fullname.local); - string1 = value1 + ""; - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); - }; - } - - function transition_attr(name, value) { - var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate; - return this.attrTween(name, typeof value === "function" - ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) - : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); - } - - function attrInterpolate(name, i) { - return function(t) { - this.setAttribute(name, i.call(this, t)); - }; - } - - function attrInterpolateNS(fullname, i) { - return function(t) { - this.setAttributeNS(fullname.space, fullname.local, i.call(this, t)); - }; - } - - function attrTweenNS(fullname, value) { - var t0, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t0 = (i0 = i) && attrInterpolateNS(fullname, i); - return t0; - } - tween._value = value; - return tween; - } - - function attrTween(name, value) { - var t0, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t0 = (i0 = i) && attrInterpolate(name, i); - return t0; - } - tween._value = value; - return tween; - } - - function transition_attrTween(name, value) { - var key = "attr." + name; - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - var fullname = namespace(name); - return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); - } - - function delayFunction(id, value) { - return function() { - init(this, id).delay = +value.apply(this, arguments); - }; - } - - function delayConstant(id, value) { - return value = +value, function() { - init(this, id).delay = value; - }; - } - - function transition_delay(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? delayFunction - : delayConstant)(id, value)) - : get$1(this.node(), id).delay; - } - - function durationFunction(id, value) { - return function() { - set$1(this, id).duration = +value.apply(this, arguments); - }; - } - - function durationConstant(id, value) { - return value = +value, function() { - set$1(this, id).duration = value; - }; - } - - function transition_duration(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? durationFunction - : durationConstant)(id, value)) - : get$1(this.node(), id).duration; - } - - function easeConstant(id, value) { - if (typeof value !== "function") throw new Error; - return function() { - set$1(this, id).ease = value; - }; - } - - function transition_ease(value) { - var id = this._id; - - return arguments.length - ? this.each(easeConstant(id, value)) - : get$1(this.node(), id).ease; - } - - function transition_filter(match) { - if (typeof match !== "function") match = matcher(match); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } - } - - return new Transition(subgroups, this._parents, this._name, this._id); - } - - function transition_merge(transition) { - if (transition._id !== this._id) throw new Error; - - for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } - } - } - - for (; j < m0; ++j) { - merges[j] = groups0[j]; - } - - return new Transition(merges, this._parents, this._name, this._id); - } - - function start(name) { - return (name + "").trim().split(/^|\s+/).every(function(t) { - var i = t.indexOf("."); - if (i >= 0) t = t.slice(0, i); - return !t || t === "start"; - }); - } - - function onFunction(id, name, listener) { - var on0, on1, sit = start(name) ? init : set$1; - return function() { - var schedule = sit(this, id), - on = schedule.on; - - // If this node shared a dispatch with the previous node, - // just assign the updated shared dispatch and we’re done! - // Otherwise, copy-on-write. - if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - - schedule.on = on1; - }; - } - - function transition_on(name, listener) { - var id = this._id; - - return arguments.length < 2 - ? get$1(this.node(), id).on.on(name) - : this.each(onFunction(id, name, listener)); - } - - function removeFunction(id) { - return function() { - var parent = this.parentNode; - for (var i in this.__transition) if (+i !== id) return; - if (parent) parent.removeChild(this); - }; - } - - function transition_remove() { - return this.on("end.remove", removeFunction(this._id)); - } - - function transition_select(select) { - var name = this._name, - id = this._id; - - if (typeof select !== "function") select = selector(select); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); - } - } - } - - return new Transition(subgroups, this._parents, name, id); - } - - function transition_selectAll(select) { - var name = this._name, - id = this._id; - - if (typeof select !== "function") select = selectorAll(select); - - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { - if (child = children[k]) { - schedule(child, name, id, k, children, inherit); - } - } - subgroups.push(children); - parents.push(node); - } - } - } - - return new Transition(subgroups, parents, name, id); - } - - var Selection$1 = selection.prototype.constructor; - - function transition_selection() { - return new Selection$1(this._groups, this._parents); - } - - function styleNull(name, interpolate) { - var string00, - string10, - interpolate0; - return function() { - var string0 = styleValue(this, name), - string1 = (this.style.removeProperty(name), styleValue(this, name)); - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, string10 = string1); - }; - } - - function styleRemove$1(name) { - return function() { - this.style.removeProperty(name); - }; - } - - function styleConstant$1(name, interpolate, value1) { - var string00, - string1 = value1 + "", - interpolate0; - return function() { - var string0 = styleValue(this, name); - return string0 === string1 ? null - : string0 === string00 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, value1); - }; - } - - function styleFunction$1(name, interpolate, value) { - var string00, - string10, - interpolate0; - return function() { - var string0 = styleValue(this, name), - value1 = value(this), - string1 = value1 + ""; - if (value1 == null) string1 = value1 = (this.style.removeProperty(name), styleValue(this, name)); - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); - }; - } - - function styleMaybeRemove(id, name) { - var on0, on1, listener0, key = "style." + name, event = "end." + key, remove; - return function() { - var schedule = set$1(this, id), - on = schedule.on, - listener = schedule.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined; - - // If this node shared a dispatch with the previous node, - // just assign the updated shared dispatch and we’re done! - // Otherwise, copy-on-write. - if (on !== on0 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener); - - schedule.on = on1; - }; - } - - function transition_style(name, value, priority) { - var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; - return value == null ? this - .styleTween(name, styleNull(name, i)) - .on("end.style." + name, styleRemove$1(name)) - : typeof value === "function" ? this - .styleTween(name, styleFunction$1(name, i, tweenValue(this, "style." + name, value))) - .each(styleMaybeRemove(this._id, name)) - : this - .styleTween(name, styleConstant$1(name, i, value), priority) - .on("end.style." + name, null); - } - - function styleInterpolate(name, i, priority) { - return function(t) { - this.style.setProperty(name, i.call(this, t), priority); - }; - } - - function styleTween(name, value, priority) { - var t, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t = (i0 = i) && styleInterpolate(name, i, priority); - return t; - } - tween._value = value; - return tween; - } - - function transition_styleTween(name, value, priority) { - var key = "style." + (name += ""); - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); - } - - function textConstant$1(value) { - return function() { - this.textContent = value; - }; - } - - function textFunction$1(value) { - return function() { - var value1 = value(this); - this.textContent = value1 == null ? "" : value1; - }; - } - - function transition_text(value) { - return this.tween("text", typeof value === "function" - ? textFunction$1(tweenValue(this, "text", value)) - : textConstant$1(value == null ? "" : value + "")); - } - - function textInterpolate(i) { - return function(t) { - this.textContent = i.call(this, t); - }; - } - - function textTween(value) { - var t0, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t0 = (i0 = i) && textInterpolate(i); - return t0; - } - tween._value = value; - return tween; - } - - function transition_textTween(value) { - var key = "text"; - if (arguments.length < 1) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - return this.tween(key, textTween(value)); - } - - function transition_transition() { - var name = this._name, - id0 = this._id, - id1 = newId(); - - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - var inherit = get$1(node, id0); - schedule(node, name, id1, i, group, { - time: inherit.time + inherit.delay + inherit.duration, - delay: 0, - duration: inherit.duration, - ease: inherit.ease - }); - } - } - } - - return new Transition(groups, this._parents, name, id1); - } - - function transition_end() { - var on0, on1, that = this, id = that._id, size = that.size(); - return new Promise(function(resolve, reject) { - var cancel = {value: reject}, - end = {value: function() { if (--size === 0) resolve(); }}; - - that.each(function() { - var schedule = set$1(this, id), - on = schedule.on; - - // If this node shared a dispatch with the previous node, - // just assign the updated shared dispatch and we’re done! - // Otherwise, copy-on-write. - if (on !== on0) { - on1 = (on0 = on).copy(); - on1._.cancel.push(cancel); - on1._.interrupt.push(cancel); - on1._.end.push(end); - } - - schedule.on = on1; - }); - }); - } - - var id = 0; - - function Transition(groups, parents, name, id) { - this._groups = groups; - this._parents = parents; - this._name = name; - this._id = id; - } - - function transition(name) { - return selection().transition(name); - } - - function newId() { - return ++id; - } - - var selection_prototype = selection.prototype; - - Transition.prototype = transition.prototype = { - constructor: Transition, - select: transition_select, - selectAll: transition_selectAll, - filter: transition_filter, - merge: transition_merge, - selection: transition_selection, - transition: transition_transition, - call: selection_prototype.call, - nodes: selection_prototype.nodes, - node: selection_prototype.node, - size: selection_prototype.size, - empty: selection_prototype.empty, - each: selection_prototype.each, - on: transition_on, - attr: transition_attr, - attrTween: transition_attrTween, - style: transition_style, - styleTween: transition_styleTween, - text: transition_text, - textTween: transition_textTween, - remove: transition_remove, - tween: transition_tween, - delay: transition_delay, - duration: transition_duration, - ease: transition_ease, - end: transition_end - }; - - function linear$1(t) { - return +t; - } - - function quadIn(t) { - return t * t; - } - - function quadOut(t) { - return t * (2 - t); - } - - function quadInOut(t) { - return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; - } - - function cubicIn(t) { - return t * t * t; - } - - function cubicOut(t) { - return --t * t * t + 1; - } - - function cubicInOut(t) { - return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; - } - - var exponent = 3; - - var polyIn = (function custom(e) { - e = +e; - - function polyIn(t) { - return Math.pow(t, e); - } - - polyIn.exponent = custom; - - return polyIn; - })(exponent); - - var polyOut = (function custom(e) { - e = +e; - - function polyOut(t) { - return 1 - Math.pow(1 - t, e); - } - - polyOut.exponent = custom; - - return polyOut; - })(exponent); - - var polyInOut = (function custom(e) { - e = +e; - - function polyInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; - } - - polyInOut.exponent = custom; - - return polyInOut; - })(exponent); - - var pi = Math.PI, - halfPi = pi / 2; - - function sinIn(t) { - return 1 - Math.cos(t * halfPi); - } - - function sinOut(t) { - return Math.sin(t * halfPi); - } - - function sinInOut(t) { - return (1 - Math.cos(pi * t)) / 2; - } - - function expIn(t) { - return Math.pow(2, 10 * t - 10); - } - - function expOut(t) { - return 1 - Math.pow(2, -10 * t); - } - - function expInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; - } - - function circleIn(t) { - return 1 - Math.sqrt(1 - t * t); - } - - function circleOut(t) { - return Math.sqrt(1 - --t * t); - } - - function circleInOut(t) { - return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; - } - - var b1 = 4 / 11, - b2 = 6 / 11, - b3 = 8 / 11, - b4 = 3 / 4, - b5 = 9 / 11, - b6 = 10 / 11, - b7 = 15 / 16, - b8 = 21 / 22, - b9 = 63 / 64, - b0 = 1 / b1 / b1; - - function bounceIn(t) { - return 1 - bounceOut(1 - t); - } - - function bounceOut(t) { - return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; - } - - function bounceInOut(t) { - return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; - } - - var overshoot = 1.70158; - - var backIn = (function custom(s) { - s = +s; - - function backIn(t) { - return t * t * ((s + 1) * t - s); - } - - backIn.overshoot = custom; - - return backIn; - })(overshoot); - - var backOut = (function custom(s) { - s = +s; - - function backOut(t) { - return --t * t * ((s + 1) * t + s) + 1; - } - - backOut.overshoot = custom; - - return backOut; - })(overshoot); - - var backInOut = (function custom(s) { - s = +s; - - function backInOut(t) { - return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; - } - - backInOut.overshoot = custom; - - return backInOut; - })(overshoot); - - var tau = 2 * Math.PI, - amplitude = 1, - period = 0.3; - - var elasticIn = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - - function elasticIn(t) { - return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); - } - - elasticIn.amplitude = function(a) { return custom(a, p * tau); }; - elasticIn.period = function(p) { return custom(a, p); }; - - return elasticIn; - })(amplitude, period); - - var elasticOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - - function elasticOut(t) { - return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); - } - - elasticOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticOut.period = function(p) { return custom(a, p); }; - - return elasticOut; - })(amplitude, period); - - var elasticInOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - - function elasticInOut(t) { - return ((t = t * 2 - 1) < 0 - ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) - : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; - } - - elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticInOut.period = function(p) { return custom(a, p); }; - - return elasticInOut; - })(amplitude, period); - - var defaultTiming = { - time: null, // Set on use. - delay: 0, - duration: 250, - ease: cubicInOut - }; - - function inherit(node, id) { - var timing; - while (!(timing = node.__transition) || !(timing = timing[id])) { - if (!(node = node.parentNode)) { - return defaultTiming.time = now(), defaultTiming; - } - } - return timing; - } - - function selection_transition(name) { - var id, - timing; - - if (name instanceof Transition) { - id = name._id, name = name._name; - } else { - id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; - } - - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - schedule(node, name, id, i, group, timing || inherit(node, id)); - } - } - } - - return new Transition(groups, this._parents, name, id); - } - - selection.prototype.interrupt = selection_interrupt; - selection.prototype.transition = selection_transition; - - var root$1 = [null]; - - function active(node, name) { - var schedules = node.__transition, - schedule, - i; - - if (schedules) { - name = name == null ? null : name + ""; - for (i in schedules) { - if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { - return new Transition([[node]], root$1, name, +i); - } - } - } - - return null; - } - - function constant$4(x) { - return function() { - return x; - }; - } - - function BrushEvent(target, type, selection) { - this.target = target; - this.type = type; - this.selection = selection; - } - - function nopropagation$1() { - event.stopImmediatePropagation(); - } - - function noevent$1() { - event.preventDefault(); - event.stopImmediatePropagation(); - } - - var MODE_DRAG = {name: "drag"}, - MODE_SPACE = {name: "space"}, - MODE_HANDLE = {name: "handle"}, - MODE_CENTER = {name: "center"}; - - function number1(e) { - return [+e[0], +e[1]]; - } - - function number2(e) { - return [number1(e[0]), number1(e[1])]; - } - - function toucher(identifier) { - return function(target) { - return touch(target, event.touches, identifier); - }; - } - - var X = { - name: "x", - handles: ["w", "e"].map(type), - input: function(x, e) { return x == null ? null : [[+x[0], e[0][1]], [+x[1], e[1][1]]]; }, - output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } - }; - - var Y = { - name: "y", - handles: ["n", "s"].map(type), - input: function(y, e) { return y == null ? null : [[e[0][0], +y[0]], [e[1][0], +y[1]]]; }, - output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } - }; - - var XY = { - name: "xy", - handles: ["n", "w", "e", "s", "nw", "ne", "sw", "se"].map(type), - input: function(xy) { return xy == null ? null : number2(xy); }, - output: function(xy) { return xy; } - }; - - var cursors = { - overlay: "crosshair", - selection: "move", - n: "ns-resize", - e: "ew-resize", - s: "ns-resize", - w: "ew-resize", - nw: "nwse-resize", - ne: "nesw-resize", - se: "nwse-resize", - sw: "nesw-resize" - }; - - var flipX = { - e: "w", - w: "e", - nw: "ne", - ne: "nw", - se: "sw", - sw: "se" - }; - - var flipY = { - n: "s", - s: "n", - nw: "sw", - ne: "se", - se: "ne", - sw: "nw" - }; - - var signsX = { - overlay: +1, - selection: +1, - n: null, - e: +1, - s: null, - w: -1, - nw: -1, - ne: +1, - se: +1, - sw: -1 - }; - - var signsY = { - overlay: +1, - selection: +1, - n: -1, - e: null, - s: +1, - w: null, - nw: -1, - ne: -1, - se: +1, - sw: +1 - }; - - function type(t) { - return {type: t}; - } - - // Ignore right-click, since that should open the context menu. - function defaultFilter$1() { - return !event.ctrlKey && !event.button; - } - - function defaultExtent() { - var svg = this.ownerSVGElement || this; - if (svg.hasAttribute("viewBox")) { - svg = svg.viewBox.baseVal; - return [[svg.x, svg.y], [svg.x + svg.width, svg.y + svg.height]]; - } - return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; - } - - function defaultTouchable$1() { - return navigator.maxTouchPoints || ("ontouchstart" in this); - } - - // Like d3.local, but with the name “__brush” rather than auto-generated. - function local$1(node) { - while (!node.__brush) if (!(node = node.parentNode)) return; - return node.__brush; - } - - function empty$1(extent) { - return extent[0][0] === extent[1][0] - || extent[0][1] === extent[1][1]; - } - - function brushSelection(node) { - var state = node.__brush; - return state ? state.dim.output(state.selection) : null; - } - - function brushX() { - return brush$1(X); - } - - function brushY() { - return brush$1(Y); - } - - function brush() { - return brush$1(XY); - } - - function brush$1(dim) { - var extent = defaultExtent, - filter = defaultFilter$1, - touchable = defaultTouchable$1, - keys = true, - listeners = dispatch("start", "brush", "end"), - handleSize = 6, - touchending; - - function brush(group) { - var overlay = group - .property("__brush", initialize) - .selectAll(".overlay") - .data([type("overlay")]); - - overlay.enter().append("rect") - .attr("class", "overlay") - .attr("pointer-events", "all") - .attr("cursor", cursors.overlay) - .merge(overlay) - .each(function() { - var extent = local$1(this).extent; - select(this) - .attr("x", extent[0][0]) - .attr("y", extent[0][1]) - .attr("width", extent[1][0] - extent[0][0]) - .attr("height", extent[1][1] - extent[0][1]); - }); - - group.selectAll(".selection") - .data([type("selection")]) - .enter().append("rect") - .attr("class", "selection") - .attr("cursor", cursors.selection) - .attr("fill", "#777") - .attr("fill-opacity", 0.3) - .attr("stroke", "#fff") - .attr("shape-rendering", "crispEdges"); - - var handle = group.selectAll(".handle") - .data(dim.handles, function(d) { return d.type; }); - - handle.exit().remove(); - - handle.enter().append("rect") - .attr("class", function(d) { return "handle handle--" + d.type; }) - .attr("cursor", function(d) { return cursors[d.type]; }); - - group - .each(redraw) - .attr("fill", "none") - .attr("pointer-events", "all") - .on("mousedown.brush", started) - .filter(touchable) - .on("touchstart.brush", started) - .on("touchmove.brush", touchmoved) - .on("touchend.brush touchcancel.brush", touchended) - .style("touch-action", "none") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } - - brush.move = function(group, selection) { - if (group.selection) { - group - .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) - .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) - .tween("brush", function() { - var that = this, - state = that.__brush, - emit = emitter(that, arguments), - selection0 = state.selection, - selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), - i = interpolateValue(selection0, selection1); - - function tween(t) { - state.selection = t === 1 && selection1 === null ? null : i(t); - redraw.call(that); - emit.brush(); - } - - return selection0 !== null && selection1 !== null ? tween : tween(1); - }); - } else { - group - .each(function() { - var that = this, - args = arguments, - state = that.__brush, - selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), - emit = emitter(that, args).beforestart(); - - interrupt(that); - state.selection = selection1 === null ? null : selection1; - redraw.call(that); - emit.start().brush().end(); - }); - } - }; - - brush.clear = function(group) { - brush.move(group, null); - }; - - function redraw() { - var group = select(this), - selection = local$1(this).selection; - - if (selection) { - group.selectAll(".selection") - .style("display", null) - .attr("x", selection[0][0]) - .attr("y", selection[0][1]) - .attr("width", selection[1][0] - selection[0][0]) - .attr("height", selection[1][1] - selection[0][1]); - - group.selectAll(".handle") - .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); - } - - else { - group.selectAll(".selection,.handle") - .style("display", "none") - .attr("x", null) - .attr("y", null) - .attr("width", null) - .attr("height", null); - } - } - - function emitter(that, args, clean) { - return (!clean && that.__brush.emitter) || new Emitter(that, args); - } - - function Emitter(that, args) { - this.that = that; - this.args = args; - this.state = that.__brush; - this.active = 0; - } - - Emitter.prototype = { - beforestart: function() { - if (++this.active === 1) this.state.emitter = this, this.starting = true; - return this; - }, - start: function() { - if (this.starting) this.starting = false, this.emit("start"); - else this.emit("brush"); - return this; - }, - brush: function() { - this.emit("brush"); - return this; - }, - end: function() { - if (--this.active === 0) delete this.state.emitter, this.emit("end"); - return this; - }, - emit: function(type) { - customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); - } - }; - - function started() { - if (touchending && !event.touches) return; - if (!filter.apply(this, arguments)) return; - - var that = this, - type = event.target.__data__.type, - mode = (keys && event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (keys && event.altKey ? MODE_CENTER : MODE_HANDLE), - signX = dim === Y ? null : signsX[type], - signY = dim === X ? null : signsY[type], - state = local$1(that), - extent = state.extent, - selection = state.selection, - W = extent[0][0], w0, w1, - N = extent[0][1], n0, n1, - E = extent[1][0], e0, e1, - S = extent[1][1], s0, s1, - dx = 0, - dy = 0, - moving, - shifting = signX && signY && keys && event.shiftKey, - lockX, - lockY, - pointer = event.touches ? toucher(event.changedTouches[0].identifier) : mouse, - point0 = pointer(that), - point = point0, - emit = emitter(that, arguments, true).beforestart(); - - if (type === "overlay") { - if (selection) moving = true; - state.selection = selection = [ - [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], - [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] - ]; - } else { - w0 = selection[0][0]; - n0 = selection[0][1]; - e0 = selection[1][0]; - s0 = selection[1][1]; - } - - w1 = w0; - n1 = n0; - e1 = e0; - s1 = s0; - - var group = select(that) - .attr("pointer-events", "none"); - - var overlay = group.selectAll(".overlay") - .attr("cursor", cursors[type]); - - if (event.touches) { - emit.moved = moved; - emit.ended = ended; - } else { - var view = select(event.view) - .on("mousemove.brush", moved, true) - .on("mouseup.brush", ended, true); - if (keys) view - .on("keydown.brush", keydowned, true) - .on("keyup.brush", keyupped, true); - - dragDisable(event.view); - } - - nopropagation$1(); - interrupt(that); - redraw.call(that); - emit.start(); - - function moved() { - var point1 = pointer(that); - if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; - else lockX = true; - } - point = point1; - moving = true; - noevent$1(); - move(); - } - - function move() { - var t; - - dx = point[0] - point0[0]; - dy = point[1] - point0[1]; - - switch (mode) { - case MODE_SPACE: - case MODE_DRAG: { - if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; - if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; - break; - } - case MODE_HANDLE: { - if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; - else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; - if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; - else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; - break; - } - case MODE_CENTER: { - if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); - if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); - break; - } - } - - if (e1 < w1) { - signX *= -1; - t = w0, w0 = e0, e0 = t; - t = w1, w1 = e1, e1 = t; - if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); - } - - if (s1 < n1) { - signY *= -1; - t = n0, n0 = s0, s0 = t; - t = n1, n1 = s1, s1 = t; - if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); - } - - if (state.selection) selection = state.selection; // May be set by brush.move! - if (lockX) w1 = selection[0][0], e1 = selection[1][0]; - if (lockY) n1 = selection[0][1], s1 = selection[1][1]; - - if (selection[0][0] !== w1 - || selection[0][1] !== n1 - || selection[1][0] !== e1 - || selection[1][1] !== s1) { - state.selection = [[w1, n1], [e1, s1]]; - redraw.call(that); - emit.brush(); - } - } - - function ended() { - nopropagation$1(); - if (event.touches) { - if (event.touches.length) return; - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - } else { - yesdrag(event.view, moving); - view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); - } - group.attr("pointer-events", "all"); - overlay.attr("cursor", cursors.overlay); - if (state.selection) selection = state.selection; // May be set by brush.move (on start)! - if (empty$1(selection)) state.selection = null, redraw.call(that); - emit.end(); - } - - function keydowned() { - switch (event.keyCode) { - case 16: { // SHIFT - shifting = signX && signY; - break; - } - case 18: { // ALT - if (mode === MODE_HANDLE) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - move(); - } - break; - } - case 32: { // SPACE; takes priority over ALT - if (mode === MODE_HANDLE || mode === MODE_CENTER) { - if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; - if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; - mode = MODE_SPACE; - overlay.attr("cursor", cursors.selection); - move(); - } - break; - } - default: return; - } - noevent$1(); - } - - function keyupped() { - switch (event.keyCode) { - case 16: { // SHIFT - if (shifting) { - lockX = lockY = shifting = false; - move(); - } - break; - } - case 18: { // ALT - if (mode === MODE_CENTER) { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - move(); - } - break; - } - case 32: { // SPACE - if (mode === MODE_SPACE) { - if (event.altKey) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - } else { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - } - overlay.attr("cursor", cursors[type]); - move(); - } - break; - } - default: return; - } - noevent$1(); - } - } - - function touchmoved() { - emitter(this, arguments).moved(); - } - - function touchended() { - emitter(this, arguments).ended(); - } - - function initialize() { - var state = this.__brush || {selection: null}; - state.extent = number2(extent.apply(this, arguments)); - state.dim = dim; - return state; - } - - brush.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4(number2(_)), brush) : extent; - }; - - brush.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$4(!!_), brush) : filter; - }; - - brush.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$4(!!_), brush) : touchable; - }; - - brush.handleSize = function(_) { - return arguments.length ? (handleSize = +_, brush) : handleSize; - }; - - brush.keyModifiers = function(_) { - return arguments.length ? (keys = !!_, brush) : keys; - }; - - brush.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? brush : value; - }; - - return brush; - } - - var cos = Math.cos; - var sin = Math.sin; - var pi$1 = Math.PI; - var halfPi$1 = pi$1 / 2; - var tau$1 = pi$1 * 2; - var max$1 = Math.max; - - function compareValue(compare) { - return function(a, b) { - return compare( - a.source.value + a.target.value, - b.source.value + b.target.value - ); - }; - } - - function chord() { - var padAngle = 0, - sortGroups = null, - sortSubgroups = null, - sortChords = null; - - function chord(matrix) { - var n = matrix.length, - groupSums = [], - groupIndex = sequence(n), - subgroupIndex = [], - chords = [], - groups = chords.groups = new Array(n), - subgroups = new Array(n * n), - k, - x, - x0, - dx, - i, - j; - - // Compute the sum. - k = 0, i = -1; while (++i < n) { - x = 0, j = -1; while (++j < n) { - x += matrix[i][j]; - } - groupSums.push(x); - subgroupIndex.push(sequence(n)); - k += x; - } - - // Sort groups… - if (sortGroups) groupIndex.sort(function(a, b) { - return sortGroups(groupSums[a], groupSums[b]); - }); - - // Sort subgroups… - if (sortSubgroups) subgroupIndex.forEach(function(d, i) { - d.sort(function(a, b) { - return sortSubgroups(matrix[i][a], matrix[i][b]); - }); - }); - - // Convert the sum to scaling factor for [0, 2pi]. - // TODO Allow start and end angle to be specified? - // TODO Allow padding to be specified as percentage? - k = max$1(0, tau$1 - padAngle * n) / k; - dx = k ? padAngle : tau$1 / n; - - // Compute the start and end angle for each group and subgroup. - // Note: Opera has a bug reordering object literal properties! - x = 0, i = -1; while (++i < n) { - x0 = x, j = -1; while (++j < n) { - var di = groupIndex[i], - dj = subgroupIndex[di][j], - v = matrix[di][dj], - a0 = x, - a1 = x += v * k; - subgroups[dj * n + di] = { - index: di, - subindex: dj, - startAngle: a0, - endAngle: a1, - value: v - }; - } - groups[di] = { - index: di, - startAngle: x0, - endAngle: x, - value: groupSums[di] - }; - x += dx; - } - - // Generate chords for each (non-empty) subgroup-subgroup link. - i = -1; while (++i < n) { - j = i - 1; while (++j < n) { - var source = subgroups[j * n + i], - target = subgroups[i * n + j]; - if (source.value || target.value) { - chords.push(source.value < target.value - ? {source: target, target: source} - : {source: source, target: target}); - } - } - } - - return sortChords ? chords.sort(sortChords) : chords; - } - - chord.padAngle = function(_) { - return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; - }; - - chord.sortGroups = function(_) { - return arguments.length ? (sortGroups = _, chord) : sortGroups; - }; - - chord.sortSubgroups = function(_) { - return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; - }; - - chord.sortChords = function(_) { - return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; - }; - - return chord; - } - - var slice$2 = Array.prototype.slice; - - function constant$5(x) { - return function() { - return x; - }; - } - - var pi$2 = Math.PI, - tau$2 = 2 * pi$2, - epsilon$1 = 1e-6, - tauEpsilon = tau$2 - epsilon$1; - - function Path() { - this._x0 = this._y0 = // start of current subpath - this._x1 = this._y1 = null; // end of current subpath - this._ = ""; - } - - function path() { - return new Path; - } - - Path.prototype = path.prototype = { - constructor: Path, - moveTo: function(x, y) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); - }, - closePath: function() { - if (this._x1 !== null) { - this._x1 = this._x0, this._y1 = this._y0; - this._ += "Z"; - } - }, - lineTo: function(x, y) { - this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); - }, - quadraticCurveTo: function(x1, y1, x, y) { - this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { - this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - arcTo: function(x1, y1, x2, y2, r) { - x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; - var x0 = this._x1, - y0 = this._y1, - x21 = x2 - x1, - y21 = y2 - y1, - x01 = x0 - x1, - y01 = y0 - y1, - l01_2 = x01 * x01 + y01 * y01; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - - // Is this path empty? Move to (x1,y1). - if (this._x1 === null) { - this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); - } - - // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon$1)); - - // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? - // Equivalently, is (x1,y1) coincident with (x2,y2)? - // Or, is the radius zero? Line to (x1,y1). - else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$1) || !r) { - this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); - } - - // Otherwise, draw an arc! - else { - var x20 = x2 - x0, - y20 = y2 - y0, - l21_2 = x21 * x21 + y21 * y21, - l20_2 = x20 * x20 + y20 * y20, - l21 = Math.sqrt(l21_2), - l01 = Math.sqrt(l01_2), - l = r * Math.tan((pi$2 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), - t01 = l / l01, - t21 = l / l21; - - // If the start tangent is not coincident with (x0,y0), line to. - if (Math.abs(t01 - 1) > epsilon$1) { - this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); - } - - this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); - } - }, - arc: function(x, y, r, a0, a1, ccw) { - x = +x, y = +y, r = +r, ccw = !!ccw; - var dx = r * Math.cos(a0), - dy = r * Math.sin(a0), - x0 = x + dx, - y0 = y + dy, - cw = 1 ^ ccw, - da = ccw ? a0 - a1 : a1 - a0; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - - // Is this path empty? Move to (x0,y0). - if (this._x1 === null) { - this._ += "M" + x0 + "," + y0; - } - - // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). - else if (Math.abs(this._x1 - x0) > epsilon$1 || Math.abs(this._y1 - y0) > epsilon$1) { - this._ += "L" + x0 + "," + y0; - } - - // Is this arc empty? We’re done. - if (!r) return; - - // Does the angle go the wrong way? Flip the direction. - if (da < 0) da = da % tau$2 + tau$2; - - // Is this a complete circle? Draw two arcs to complete the circle. - if (da > tauEpsilon) { - this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); - } - - // Is this arc non-empty? Draw an arc! - else if (da > epsilon$1) { - this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); - } - }, - rect: function(x, y, w, h) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; - }, - toString: function() { - return this._; - } - }; - - function defaultSource(d) { - return d.source; - } - - function defaultTarget(d) { - return d.target; - } - - function defaultRadius(d) { - return d.radius; - } - - function defaultStartAngle(d) { - return d.startAngle; - } - - function defaultEndAngle(d) { - return d.endAngle; - } - - function ribbon() { - var source = defaultSource, - target = defaultTarget, - radius = defaultRadius, - startAngle = defaultStartAngle, - endAngle = defaultEndAngle, - context = null; - - function ribbon() { - var buffer, - argv = slice$2.call(arguments), - s = source.apply(this, argv), - t = target.apply(this, argv), - sr = +radius.apply(this, (argv[0] = s, argv)), - sa0 = startAngle.apply(this, argv) - halfPi$1, - sa1 = endAngle.apply(this, argv) - halfPi$1, - sx0 = sr * cos(sa0), - sy0 = sr * sin(sa0), - tr = +radius.apply(this, (argv[0] = t, argv)), - ta0 = startAngle.apply(this, argv) - halfPi$1, - ta1 = endAngle.apply(this, argv) - halfPi$1; - - if (!context) context = buffer = path(); - - context.moveTo(sx0, sy0); - context.arc(0, 0, sr, sa0, sa1); - if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? - context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); - context.arc(0, 0, tr, ta0, ta1); - } - context.quadraticCurveTo(0, 0, sx0, sy0); - context.closePath(); - - if (buffer) return context = null, buffer + "" || null; - } - - ribbon.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$5(+_), ribbon) : radius; - }; - - ribbon.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : startAngle; - }; - - ribbon.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : endAngle; - }; - - ribbon.source = function(_) { - return arguments.length ? (source = _, ribbon) : source; - }; - - ribbon.target = function(_) { - return arguments.length ? (target = _, ribbon) : target; - }; - - ribbon.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; - }; - - return ribbon; - } - - var prefix = "$"; - - function Map() {} - - Map.prototype = map$1.prototype = { - constructor: Map, - has: function(key) { - return (prefix + key) in this; - }, - get: function(key) { - return this[prefix + key]; - }, - set: function(key, value) { - this[prefix + key] = value; - return this; - }, - remove: function(key) { - var property = prefix + key; - return property in this && delete this[property]; - }, - clear: function() { - for (var property in this) if (property[0] === prefix) delete this[property]; - }, - keys: function() { - var keys = []; - for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); - return keys; - }, - values: function() { - var values = []; - for (var property in this) if (property[0] === prefix) values.push(this[property]); - return values; - }, - entries: function() { - var entries = []; - for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); - return entries; - }, - size: function() { - var size = 0; - for (var property in this) if (property[0] === prefix) ++size; - return size; - }, - empty: function() { - for (var property in this) if (property[0] === prefix) return false; - return true; - }, - each: function(f) { - for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); - } - }; - - function map$1(object, f) { - var map = new Map; - - // Copy constructor. - if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); - - // Index array by numeric index or specified key function. - else if (Array.isArray(object)) { - var i = -1, - n = object.length, - o; - - if (f == null) while (++i < n) map.set(i, object[i]); - else while (++i < n) map.set(f(o = object[i], i, object), o); - } - - // Convert object to map. - else if (object) for (var key in object) map.set(key, object[key]); - - return map; - } - - function nest() { - var keys = [], - sortKeys = [], - sortValues, - rollup, - nest; - - function apply(array, depth, createResult, setResult) { - if (depth >= keys.length) { - if (sortValues != null) array.sort(sortValues); - return rollup != null ? rollup(array) : array; - } - - var i = -1, - n = array.length, - key = keys[depth++], - keyValue, - value, - valuesByKey = map$1(), - values, - result = createResult(); - - while (++i < n) { - if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { - values.push(value); - } else { - valuesByKey.set(keyValue, [value]); - } - } - - valuesByKey.each(function(values, key) { - setResult(result, key, apply(values, depth, createResult, setResult)); - }); - - return result; - } - - function entries(map, depth) { - if (++depth > keys.length) return map; - var array, sortKey = sortKeys[depth - 1]; - if (rollup != null && depth >= keys.length) array = map.entries(); - else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); - return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; - } - - return nest = { - object: function(array) { return apply(array, 0, createObject, setObject); }, - map: function(array) { return apply(array, 0, createMap, setMap); }, - entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, - key: function(d) { keys.push(d); return nest; }, - sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, - sortValues: function(order) { sortValues = order; return nest; }, - rollup: function(f) { rollup = f; return nest; } - }; - } - - function createObject() { - return {}; - } - - function setObject(object, key, value) { - object[key] = value; - } - - function createMap() { - return map$1(); - } - - function setMap(map, key, value) { - map.set(key, value); - } - - function Set() {} - - var proto = map$1.prototype; - - Set.prototype = set$2.prototype = { - constructor: Set, - has: proto.has, - add: function(value) { - value += ""; - this[prefix + value] = value; - return this; - }, - remove: proto.remove, - clear: proto.clear, - values: proto.keys, - size: proto.size, - empty: proto.empty, - each: proto.each - }; - - function set$2(object, f) { - var set = new Set; - - // Copy constructor. - if (object instanceof Set) object.each(function(value) { set.add(value); }); - - // Otherwise, assume it’s an array. - else if (object) { - var i = -1, n = object.length; - if (f == null) while (++i < n) set.add(object[i]); - else while (++i < n) set.add(f(object[i], i, object)); - } - - return set; - } - - function keys(map) { - var keys = []; - for (var key in map) keys.push(key); - return keys; - } - - function values(map) { - var values = []; - for (var key in map) values.push(map[key]); - return values; - } - - function entries(map) { - var entries = []; - for (var key in map) entries.push({key: key, value: map[key]}); - return entries; - } - - var array$2 = Array.prototype; - - var slice$3 = array$2.slice; - - function ascending$2(a, b) { - return a - b; - } - - function area(ring) { - var i = 0, n = ring.length, area = ring[n - 1][1] * ring[0][0] - ring[n - 1][0] * ring[0][1]; - while (++i < n) area += ring[i - 1][1] * ring[i][0] - ring[i - 1][0] * ring[i][1]; - return area; - } - - function constant$6(x) { - return function() { - return x; - }; - } - - function contains(ring, hole) { - var i = -1, n = hole.length, c; - while (++i < n) if (c = ringContains(ring, hole[i])) return c; - return 0; - } - - function ringContains(ring, point) { - var x = point[0], y = point[1], contains = -1; - for (var i = 0, n = ring.length, j = n - 1; i < n; j = i++) { - var pi = ring[i], xi = pi[0], yi = pi[1], pj = ring[j], xj = pj[0], yj = pj[1]; - if (segmentContains(pi, pj, point)) return 0; - if (((yi > y) !== (yj > y)) && ((x < (xj - xi) * (y - yi) / (yj - yi) + xi))) contains = -contains; - } - return contains; - } - - function segmentContains(a, b, c) { - var i; return collinear(a, b, c) && within(a[i = +(a[0] === b[0])], c[i], b[i]); - } - - function collinear(a, b, c) { - return (b[0] - a[0]) * (c[1] - a[1]) === (c[0] - a[0]) * (b[1] - a[1]); - } - - function within(p, q, r) { - return p <= q && q <= r || r <= q && q <= p; - } - - function noop$1() {} - - var cases = [ - [], - [[[1.0, 1.5], [0.5, 1.0]]], - [[[1.5, 1.0], [1.0, 1.5]]], - [[[1.5, 1.0], [0.5, 1.0]]], - [[[1.0, 0.5], [1.5, 1.0]]], - [[[1.0, 1.5], [0.5, 1.0]], [[1.0, 0.5], [1.5, 1.0]]], - [[[1.0, 0.5], [1.0, 1.5]]], - [[[1.0, 0.5], [0.5, 1.0]]], - [[[0.5, 1.0], [1.0, 0.5]]], - [[[1.0, 1.5], [1.0, 0.5]]], - [[[0.5, 1.0], [1.0, 0.5]], [[1.5, 1.0], [1.0, 1.5]]], - [[[1.5, 1.0], [1.0, 0.5]]], - [[[0.5, 1.0], [1.5, 1.0]]], - [[[1.0, 1.5], [1.5, 1.0]]], - [[[0.5, 1.0], [1.0, 1.5]]], - [] - ]; - - function contours() { - var dx = 1, - dy = 1, - threshold = thresholdSturges, - smooth = smoothLinear; - - function contours(values) { - var tz = threshold(values); - - // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) { - var domain = extent(values), start = domain[0], stop = domain[1]; - tz = tickStep(start, stop, tz); - tz = sequence(Math.floor(start / tz) * tz, Math.floor(stop / tz) * tz, tz); - } else { - tz = tz.slice().sort(ascending$2); - } - - return tz.map(function(value) { - return contour(values, value); - }); - } - - // Accumulate, smooth contour rings, assign holes to exterior rings. - // Based on https://github.com/mbostock/shapefile/blob/v0.6.2/shp/polygon.js - function contour(values, value) { - var polygons = [], - holes = []; - - isorings(values, value, function(ring) { - smooth(ring, values, value); - if (area(ring) > 0) polygons.push([ring]); - else holes.push(ring); - }); - - holes.forEach(function(hole) { - for (var i = 0, n = polygons.length, polygon; i < n; ++i) { - if (contains((polygon = polygons[i])[0], hole) !== -1) { - polygon.push(hole); - return; - } - } - }); - - return { - type: "MultiPolygon", - value: value, - coordinates: polygons - }; - } - - // Marching squares with isolines stitched into rings. - // Based on https://github.com/topojson/topojson-client/blob/v3.0.0/src/stitch.js - function isorings(values, value, callback) { - var fragmentByStart = new Array, - fragmentByEnd = new Array, - x, y, t0, t1, t2, t3; - - // Special case for the first row (y = -1, t2 = t3 = 0). - x = y = -1; - t1 = values[0] >= value; - cases[t1 << 1].forEach(stitch); - while (++x < dx - 1) { - t0 = t1, t1 = values[x + 1] >= value; - cases[t0 | t1 << 1].forEach(stitch); - } - cases[t1 << 0].forEach(stitch); - - // General case for the intermediate rows. - while (++y < dy - 1) { - x = -1; - t1 = values[y * dx + dx] >= value; - t2 = values[y * dx] >= value; - cases[t1 << 1 | t2 << 2].forEach(stitch); - while (++x < dx - 1) { - t0 = t1, t1 = values[y * dx + dx + x + 1] >= value; - t3 = t2, t2 = values[y * dx + x + 1] >= value; - cases[t0 | t1 << 1 | t2 << 2 | t3 << 3].forEach(stitch); - } - cases[t1 | t2 << 3].forEach(stitch); - } - - // Special case for the last row (y = dy - 1, t0 = t1 = 0). - x = -1; - t2 = values[y * dx] >= value; - cases[t2 << 2].forEach(stitch); - while (++x < dx - 1) { - t3 = t2, t2 = values[y * dx + x + 1] >= value; - cases[t2 << 2 | t3 << 3].forEach(stitch); - } - cases[t2 << 3].forEach(stitch); - - function stitch(line) { - var start = [line[0][0] + x, line[0][1] + y], - end = [line[1][0] + x, line[1][1] + y], - startIndex = index(start), - endIndex = index(end), - f, g; - if (f = fragmentByEnd[startIndex]) { - if (g = fragmentByStart[endIndex]) { - delete fragmentByEnd[f.end]; - delete fragmentByStart[g.start]; - if (f === g) { - f.ring.push(end); - callback(f.ring); - } else { - fragmentByStart[f.start] = fragmentByEnd[g.end] = {start: f.start, end: g.end, ring: f.ring.concat(g.ring)}; - } - } else { - delete fragmentByEnd[f.end]; - f.ring.push(end); - fragmentByEnd[f.end = endIndex] = f; - } - } else if (f = fragmentByStart[endIndex]) { - if (g = fragmentByEnd[startIndex]) { - delete fragmentByStart[f.start]; - delete fragmentByEnd[g.end]; - if (f === g) { - f.ring.push(end); - callback(f.ring); - } else { - fragmentByStart[g.start] = fragmentByEnd[f.end] = {start: g.start, end: f.end, ring: g.ring.concat(f.ring)}; - } - } else { - delete fragmentByStart[f.start]; - f.ring.unshift(start); - fragmentByStart[f.start = startIndex] = f; - } - } else { - fragmentByStart[startIndex] = fragmentByEnd[endIndex] = {start: startIndex, end: endIndex, ring: [start, end]}; - } - } - } - - function index(point) { - return point[0] * 2 + point[1] * (dx + 1) * 4; - } - - function smoothLinear(ring, values, value) { - ring.forEach(function(point) { - var x = point[0], - y = point[1], - xt = x | 0, - yt = y | 0, - v0, - v1 = values[yt * dx + xt]; - if (x > 0 && x < dx && xt === x) { - v0 = values[yt * dx + xt - 1]; - point[0] = x + (value - v0) / (v1 - v0) - 0.5; - } - if (y > 0 && y < dy && yt === y) { - v0 = values[(yt - 1) * dx + xt]; - point[1] = y + (value - v0) / (v1 - v0) - 0.5; - } - }); - } - - contours.contour = contour; - - contours.size = function(_) { - if (!arguments.length) return [dx, dy]; - var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); - if (!(_0 > 0) || !(_1 > 0)) throw new Error("invalid size"); - return dx = _0, dy = _1, contours; - }; - - contours.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), contours) : threshold; - }; - - contours.smooth = function(_) { - return arguments.length ? (smooth = _ ? smoothLinear : noop$1, contours) : smooth === smoothLinear; - }; - - return contours; - } - - // TODO Optimize edge cases. - // TODO Optimize index calculation. - // TODO Optimize arguments. - function blurX(source, target, r) { - var n = source.width, - m = source.height, - w = (r << 1) + 1; - for (var j = 0; j < m; ++j) { - for (var i = 0, sr = 0; i < n + r; ++i) { - if (i < n) { - sr += source.data[i + j * n]; - } - if (i >= r) { - if (i >= w) { - sr -= source.data[i - w + j * n]; - } - target.data[i - r + j * n] = sr / Math.min(i + 1, n - 1 + w - i, w); - } - } - } - } - - // TODO Optimize edge cases. - // TODO Optimize index calculation. - // TODO Optimize arguments. - function blurY(source, target, r) { - var n = source.width, - m = source.height, - w = (r << 1) + 1; - for (var i = 0; i < n; ++i) { - for (var j = 0, sr = 0; j < m + r; ++j) { - if (j < m) { - sr += source.data[i + j * n]; - } - if (j >= r) { - if (j >= w) { - sr -= source.data[i + (j - w) * n]; - } - target.data[i + (j - r) * n] = sr / Math.min(j + 1, m - 1 + w - j, w); - } - } - } - } - - function defaultX(d) { - return d[0]; - } - - function defaultY(d) { - return d[1]; - } - - function defaultWeight() { - return 1; - } - - function density() { - var x = defaultX, - y = defaultY, - weight = defaultWeight, - dx = 960, - dy = 500, - r = 20, // blur radius - k = 2, // log2(grid cell size) - o = r * 3, // grid offset, to pad for blur - n = (dx + o * 2) >> k, // grid width - m = (dy + o * 2) >> k, // grid height - threshold = constant$6(20); - - function density(data) { - var values0 = new Float32Array(n * m), - values1 = new Float32Array(n * m); - - data.forEach(function(d, i, data) { - var xi = (+x(d, i, data) + o) >> k, - yi = (+y(d, i, data) + o) >> k, - wi = +weight(d, i, data); - if (xi >= 0 && xi < n && yi >= 0 && yi < m) { - values0[xi + yi * n] += wi; - } - }); - - // TODO Optimize. - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - - var tz = threshold(values0); - - // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) { - var stop = max(values0); - tz = tickStep(0, stop, tz); - tz = sequence(0, Math.floor(stop / tz) * tz, tz); - tz.shift(); - } - - return contours() - .thresholds(tz) - .size([n, m]) - (values0) - .map(transform); - } - - function transform(geometry) { - geometry.value *= Math.pow(2, -2 * k); // Density in points per square pixel. - geometry.coordinates.forEach(transformPolygon); - return geometry; - } - - function transformPolygon(coordinates) { - coordinates.forEach(transformRing); - } - - function transformRing(coordinates) { - coordinates.forEach(transformPoint); - } - - // TODO Optimize. - function transformPoint(coordinates) { - coordinates[0] = coordinates[0] * Math.pow(2, k) - o; - coordinates[1] = coordinates[1] * Math.pow(2, k) - o; - } - - function resize() { - o = r * 3; - n = (dx + o * 2) >> k; - m = (dy + o * 2) >> k; - return density; - } - - density.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), density) : x; - }; - - density.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), density) : y; - }; - - density.weight = function(_) { - return arguments.length ? (weight = typeof _ === "function" ? _ : constant$6(+_), density) : weight; - }; - - density.size = function(_) { - if (!arguments.length) return [dx, dy]; - var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); - if (!(_0 >= 0) && !(_0 >= 0)) throw new Error("invalid size"); - return dx = _0, dy = _1, resize(); - }; - - density.cellSize = function(_) { - if (!arguments.length) return 1 << k; - if (!((_ = +_) >= 1)) throw new Error("invalid cell size"); - return k = Math.floor(Math.log(_) / Math.LN2), resize(); - }; - - density.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), density) : threshold; - }; - - density.bandwidth = function(_) { - if (!arguments.length) return Math.sqrt(r * (r + 1)); - if (!((_ = +_) >= 0)) throw new Error("invalid bandwidth"); - return r = Math.round((Math.sqrt(4 * _ * _ + 1) - 1) / 2), resize(); - }; - - return density; - } - - var EOL = {}, - EOF = {}, - QUOTE = 34, - NEWLINE = 10, - RETURN = 13; - - function objectConverter(columns) { - return new Function("d", "return {" + columns.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "] || \"\""; - }).join(",") + "}"); - } - - function customConverter(columns, f) { - var object = objectConverter(columns); - return function(row, i) { - return f(object(row), i, columns); - }; - } - - // Compute unique columns in order of discovery. - function inferColumns(rows) { - var columnSet = Object.create(null), - columns = []; - - rows.forEach(function(row) { - for (var column in row) { - if (!(column in columnSet)) { - columns.push(columnSet[column] = column); - } - } - }); - - return columns; - } - - function pad(value, width) { - var s = value + "", length = s.length; - return length < width ? new Array(width - length + 1).join(0) + s : s; - } - - function formatYear(year) { - return year < 0 ? "-" + pad(-year, 6) - : year > 9999 ? "+" + pad(year, 6) - : pad(year, 4); - } - - function formatDate(date) { - var hours = date.getUTCHours(), - minutes = date.getUTCMinutes(), - seconds = date.getUTCSeconds(), - milliseconds = date.getUTCMilliseconds(); - return isNaN(date) ? "Invalid Date" - : formatYear(date.getUTCFullYear()) + "-" + pad(date.getUTCMonth() + 1, 2) + "-" + pad(date.getUTCDate(), 2) - + (milliseconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "." + pad(milliseconds, 3) + "Z" - : seconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "Z" - : minutes || hours ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + "Z" - : ""); - } - - function dsvFormat(delimiter) { - var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), - DELIMITER = delimiter.charCodeAt(0); - - function parse(text, f) { - var convert, columns, rows = parseRows(text, function(row, i) { - if (convert) return convert(row, i - 1); - columns = row, convert = f ? customConverter(row, f) : objectConverter(row); - }); - rows.columns = columns || []; - return rows; - } - - function parseRows(text, f) { - var rows = [], // output rows - N = text.length, - I = 0, // current character index - n = 0, // current line number - t, // current token - eof = N <= 0, // current token followed by EOF? - eol = false; // current token followed by EOL? - - // Strip the trailing newline. - if (text.charCodeAt(N - 1) === NEWLINE) --N; - if (text.charCodeAt(N - 1) === RETURN) --N; - - function token() { - if (eof) return EOF; - if (eol) return eol = false, EOL; - - // Unescape quotes. - var i, j = I, c; - if (text.charCodeAt(j) === QUOTE) { - while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE); - if ((i = I) >= N) eof = true; - else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true; - else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } - return text.slice(j + 1, i - 1).replace(/""/g, "\""); - } - - // Find next delimiter or newline. - while (I < N) { - if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true; - else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } - else if (c !== DELIMITER) continue; - return text.slice(j, i); - } - - // Return last token before EOF. - return eof = true, text.slice(j, N); - } - - while ((t = token()) !== EOF) { - var row = []; - while (t !== EOL && t !== EOF) row.push(t), t = token(); - if (f && (row = f(row, n++)) == null) continue; - rows.push(row); - } - - return rows; - } - - function preformatBody(rows, columns) { - return rows.map(function(row) { - return columns.map(function(column) { - return formatValue(row[column]); - }).join(delimiter); - }); - } - - function format(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return [columns.map(formatValue).join(delimiter)].concat(preformatBody(rows, columns)).join("\n"); - } - - function formatBody(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return preformatBody(rows, columns).join("\n"); - } - - function formatRows(rows) { - return rows.map(formatRow).join("\n"); - } - - function formatRow(row) { - return row.map(formatValue).join(delimiter); - } - - function formatValue(value) { - return value == null ? "" - : value instanceof Date ? formatDate(value) - : reFormat.test(value += "") ? "\"" + value.replace(/"/g, "\"\"") + "\"" - : value; - } - - return { - parse: parse, - parseRows: parseRows, - format: format, - formatBody: formatBody, - formatRows: formatRows, - formatRow: formatRow, - formatValue: formatValue - }; - } - - var csv = dsvFormat(","); - - var csvParse = csv.parse; - var csvParseRows = csv.parseRows; - var csvFormat = csv.format; - var csvFormatBody = csv.formatBody; - var csvFormatRows = csv.formatRows; - var csvFormatRow = csv.formatRow; - var csvFormatValue = csv.formatValue; - - var tsv = dsvFormat("\t"); - - var tsvParse = tsv.parse; - var tsvParseRows = tsv.parseRows; - var tsvFormat = tsv.format; - var tsvFormatBody = tsv.formatBody; - var tsvFormatRows = tsv.formatRows; - var tsvFormatRow = tsv.formatRow; - var tsvFormatValue = tsv.formatValue; - - function autoType(object) { - for (var key in object) { - var value = object[key].trim(), number, m; - if (!value) value = null; - else if (value === "true") value = true; - else if (value === "false") value = false; - else if (value === "NaN") value = NaN; - else if (!isNaN(number = +value)) value = number; - else if (m = value.match(/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/)) { - if (fixtz && !!m[4] && !m[7]) value = value.replace(/-/g, "/").replace(/T/, " "); - value = new Date(value); - } - else continue; - object[key] = value; - } - return object; - } - - // https://github.com/d3/d3-dsv/issues/45 - var fixtz = new Date("2019-01-01T00:00").getHours() || new Date("2019-07-01T00:00").getHours(); - - function responseBlob(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.blob(); - } - - function blob(input, init) { - return fetch(input, init).then(responseBlob); - } - - function responseArrayBuffer(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.arrayBuffer(); - } - - function buffer(input, init) { - return fetch(input, init).then(responseArrayBuffer); - } - - function responseText(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.text(); - } - - function text(input, init) { - return fetch(input, init).then(responseText); - } - - function dsvParse(parse) { - return function(input, init, row) { - if (arguments.length === 2 && typeof init === "function") row = init, init = undefined; - return text(input, init).then(function(response) { - return parse(response, row); - }); - }; - } - - function dsv(delimiter, input, init, row) { - if (arguments.length === 3 && typeof init === "function") row = init, init = undefined; - var format = dsvFormat(delimiter); - return text(input, init).then(function(response) { - return format.parse(response, row); - }); - } - - var csv$1 = dsvParse(csvParse); - var tsv$1 = dsvParse(tsvParse); - - function image(input, init) { - return new Promise(function(resolve, reject) { - var image = new Image; - for (var key in init) image[key] = init[key]; - image.onerror = reject; - image.onload = function() { resolve(image); }; - image.src = input; - }); - } - - function responseJson(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - if (response.status === 204 || response.status === 205) return; - return response.json(); - } - - function json(input, init) { - return fetch(input, init).then(responseJson); - } - - function parser(type) { - return function(input, init) { - return text(input, init).then(function(text) { - return (new DOMParser).parseFromString(text, type); - }); - }; - } - - var xml = parser("application/xml"); - - var html = parser("text/html"); - - var svg = parser("image/svg+xml"); - - function center$1(x, y) { - var nodes; - - if (x == null) x = 0; - if (y == null) y = 0; - - function force() { - var i, - n = nodes.length, - node, - sx = 0, - sy = 0; - - for (i = 0; i < n; ++i) { - node = nodes[i], sx += node.x, sy += node.y; - } - - for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { - node = nodes[i], node.x -= sx, node.y -= sy; - } - } - - force.initialize = function(_) { - nodes = _; - }; - - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; - - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; - - return force; - } - - function constant$7(x) { - return function() { - return x; - }; - } - - function jiggle() { - return (Math.random() - 0.5) * 1e-6; - } - - function tree_add(d) { - var x = +this._x.call(null, d), - y = +this._y.call(null, d); - return add(this.cover(x, y), x, y, d); - } - - function add(tree, x, y, d) { - if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points - - var parent, - node = tree._root, - leaf = {data: d}, - x0 = tree._x0, - y0 = tree._y0, - x1 = tree._x1, - y1 = tree._y1, - xm, - ym, - xp, - yp, - right, - bottom, - i, - j; - - // If the tree is empty, initialize the root as a leaf. - if (!node) return tree._root = leaf, tree; - - // Find the existing leaf for the new point, or add it. - while (node.length) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; - } - - // Is the new point is exactly coincident with the existing point? - xp = +tree._x.call(null, node.data); - yp = +tree._y.call(null, node.data); - if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; - - // Otherwise, split the leaf node until the old and new point are separated. - do { - parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); - return parent[j] = node, parent[i] = leaf, tree; - } - - function addAll(data) { - var d, i, n = data.length, - x, - y, - xz = new Array(n), - yz = new Array(n), - x0 = Infinity, - y0 = Infinity, - x1 = -Infinity, - y1 = -Infinity; - - // Compute the points and their extent. - for (i = 0; i < n; ++i) { - if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; - xz[i] = x; - yz[i] = y; - if (x < x0) x0 = x; - if (x > x1) x1 = x; - if (y < y0) y0 = y; - if (y > y1) y1 = y; - } - - // If there were no (valid) points, abort. - if (x0 > x1 || y0 > y1) return this; - - // Expand the tree to cover the new points. - this.cover(x0, y0).cover(x1, y1); - - // Add the new points. - for (i = 0; i < n; ++i) { - add(this, xz[i], yz[i], data[i]); - } - - return this; - } - - function tree_cover(x, y) { - if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - - var x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1; - - // If the quadtree has no extent, initialize them. - // Integer extent are necessary so that if we later double the extent, - // the existing quadrant boundaries don’t change due to floating point error! - if (isNaN(x0)) { - x1 = (x0 = Math.floor(x)) + 1; - y1 = (y0 = Math.floor(y)) + 1; - } - - // Otherwise, double repeatedly to cover. - else { - var z = x1 - x0, - node = this._root, - parent, - i; - - while (x0 > x || x >= x1 || y0 > y || y >= y1) { - i = (y < y0) << 1 | (x < x0); - parent = new Array(4), parent[i] = node, node = parent, z *= 2; - switch (i) { - case 0: x1 = x0 + z, y1 = y0 + z; break; - case 1: x0 = x1 - z, y1 = y0 + z; break; - case 2: x1 = x0 + z, y0 = y1 - z; break; - case 3: x0 = x1 - z, y0 = y1 - z; break; - } - } - - if (this._root && this._root.length) this._root = node; - } - - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - return this; - } - - function tree_data() { - var data = []; - this.visit(function(node) { - if (!node.length) do data.push(node.data); while (node = node.next) - }); - return data; - } - - function tree_extent(_) { - return arguments.length - ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) - : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; - } - - function Quad(node, x0, y0, x1, y1) { - this.node = node; - this.x0 = x0; - this.y0 = y0; - this.x1 = x1; - this.y1 = y1; - } - - function tree_find(x, y, radius) { - var data, - x0 = this._x0, - y0 = this._y0, - x1, - y1, - x2, - y2, - x3 = this._x1, - y3 = this._y1, - quads = [], - node = this._root, - q, - i; - - if (node) quads.push(new Quad(node, x0, y0, x3, y3)); - if (radius == null) radius = Infinity; - else { - x0 = x - radius, y0 = y - radius; - x3 = x + radius, y3 = y + radius; - radius *= radius; - } - - while (q = quads.pop()) { - - // Stop searching if this quadrant can’t contain a closer node. - if (!(node = q.node) - || (x1 = q.x0) > x3 - || (y1 = q.y0) > y3 - || (x2 = q.x1) < x0 - || (y2 = q.y1) < y0) continue; - - // Bisect the current quadrant. - if (node.length) { - var xm = (x1 + x2) / 2, - ym = (y1 + y2) / 2; - - quads.push( - new Quad(node[3], xm, ym, x2, y2), - new Quad(node[2], x1, ym, xm, y2), - new Quad(node[1], xm, y1, x2, ym), - new Quad(node[0], x1, y1, xm, ym) - ); - - // Visit the closest quadrant first. - if (i = (y >= ym) << 1 | (x >= xm)) { - q = quads[quads.length - 1]; - quads[quads.length - 1] = quads[quads.length - 1 - i]; - quads[quads.length - 1 - i] = q; - } - } - - // Visit this point. (Visiting coincident points isn’t necessary!) - else { - var dx = x - +this._x.call(null, node.data), - dy = y - +this._y.call(null, node.data), - d2 = dx * dx + dy * dy; - if (d2 < radius) { - var d = Math.sqrt(radius = d2); - x0 = x - d, y0 = y - d; - x3 = x + d, y3 = y + d; - data = node.data; - } - } - } - - return data; - } - - function tree_remove(d) { - if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points - - var parent, - node = this._root, - retainer, - previous, - next, - x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1, - x, - y, - xm, - ym, - right, - bottom, - i, - j; - - // If the tree is empty, initialize the root as a leaf. - if (!node) return this; - - // Find the leaf node for the point. - // While descending, also retain the deepest parent with a non-removed sibling. - if (node.length) while (true) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (!(parent = node, node = node[i = bottom << 1 | right])) return this; - if (!node.length) break; - if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; - } - - // Find the point to remove. - while (node.data !== d) if (!(previous = node, node = node.next)) return this; - if (next = node.next) delete node.next; - - // If there are multiple coincident points, remove just the point. - if (previous) return (next ? previous.next = next : delete previous.next), this; - - // If this is the root point, remove it. - if (!parent) return this._root = next, this; - - // Remove this leaf. - next ? parent[i] = next : delete parent[i]; - - // If the parent now contains exactly one leaf, collapse superfluous parents. - if ((node = parent[0] || parent[1] || parent[2] || parent[3]) - && node === (parent[3] || parent[2] || parent[1] || parent[0]) - && !node.length) { - if (retainer) retainer[j] = node; - else this._root = node; - } - - return this; - } - - function removeAll(data) { - for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); - return this; - } - - function tree_root() { - return this._root; - } - - function tree_size() { - var size = 0; - this.visit(function(node) { - if (!node.length) do ++size; while (node = node.next) - }); - return size; - } - - function tree_visit(callback) { - var quads = [], q, node = this._root, child, x0, y0, x1, y1; - if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { - var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - } - } - return this; - } - - function tree_visitAfter(callback) { - var quads = [], next = [], q; - if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - var node = q.node; - if (node.length) { - var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - } - next.push(q); - } - while (q = next.pop()) { - callback(q.node, q.x0, q.y0, q.x1, q.y1); - } - return this; - } - - function defaultX$1(d) { - return d[0]; - } - - function tree_x(_) { - return arguments.length ? (this._x = _, this) : this._x; - } - - function defaultY$1(d) { - return d[1]; - } - - function tree_y(_) { - return arguments.length ? (this._y = _, this) : this._y; - } - - function quadtree(nodes, x, y) { - var tree = new Quadtree(x == null ? defaultX$1 : x, y == null ? defaultY$1 : y, NaN, NaN, NaN, NaN); - return nodes == null ? tree : tree.addAll(nodes); - } - - function Quadtree(x, y, x0, y0, x1, y1) { - this._x = x; - this._y = y; - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - this._root = undefined; - } - - function leaf_copy(leaf) { - var copy = {data: leaf.data}, next = copy; - while (leaf = leaf.next) next = next.next = {data: leaf.data}; - return copy; - } - - var treeProto = quadtree.prototype = Quadtree.prototype; - - treeProto.copy = function() { - var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), - node = this._root, - nodes, - child; - - if (!node) return copy; - - if (!node.length) return copy._root = leaf_copy(node), copy; - - nodes = [{source: node, target: copy._root = new Array(4)}]; - while (node = nodes.pop()) { - for (var i = 0; i < 4; ++i) { - if (child = node.source[i]) { - if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); - else node.target[i] = leaf_copy(child); - } - } - } - - return copy; - }; - - treeProto.add = tree_add; - treeProto.addAll = addAll; - treeProto.cover = tree_cover; - treeProto.data = tree_data; - treeProto.extent = tree_extent; - treeProto.find = tree_find; - treeProto.remove = tree_remove; - treeProto.removeAll = removeAll; - treeProto.root = tree_root; - treeProto.size = tree_size; - treeProto.visit = tree_visit; - treeProto.visitAfter = tree_visitAfter; - treeProto.x = tree_x; - treeProto.y = tree_y; - - function x(d) { - return d.x + d.vx; - } - - function y(d) { - return d.y + d.vy; - } - - function collide(radius) { - var nodes, - radii, - strength = 1, - iterations = 1; - - if (typeof radius !== "function") radius = constant$7(radius == null ? 1 : +radius); - - function force() { - var i, n = nodes.length, - tree, - node, - xi, - yi, - ri, - ri2; - - for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x, y).visitAfter(prepare); - for (i = 0; i < n; ++i) { - node = nodes[i]; - ri = radii[node.index], ri2 = ri * ri; - xi = node.x + node.vx; - yi = node.y + node.vy; - tree.visit(apply); - } - } - - function apply(quad, x0, y0, x1, y1) { - var data = quad.data, rj = quad.r, r = ri + rj; - if (data) { - if (data.index > node.index) { - var x = xi - data.x - data.vx, - y = yi - data.y - data.vy, - l = x * x + y * y; - if (l < r * r) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - l = (r - (l = Math.sqrt(l))) / l * strength; - node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); - node.vy += (y *= l) * r; - data.vx -= x * (r = 1 - r); - data.vy -= y * r; - } - } - return; - } - return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; - } - } - - function prepare(quad) { - if (quad.data) return quad.r = radii[quad.data.index]; - for (var i = quad.r = 0; i < 4; ++i) { - if (quad[i] && quad[i].r > quad.r) { - quad.r = quad[i].r; - } - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - radii = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; - - force.strength = function(_) { - return arguments.length ? (strength = +_, force) : strength; - }; - - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; - }; - - return force; - } - - function index(d) { - return d.index; - } - - function find(nodeById, nodeId) { - var node = nodeById.get(nodeId); - if (!node) throw new Error("missing: " + nodeId); - return node; - } - - function link(links) { - var id = index, - strength = defaultStrength, - strengths, - distance = constant$7(30), - distances, - nodes, - count, - bias, - iterations = 1; - - if (links == null) links = []; - - function defaultStrength(link) { - return 1 / Math.min(count[link.source.index], count[link.target.index]); - } - - function force(alpha) { - for (var k = 0, n = links.length; k < iterations; ++k) { - for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { - link = links[i], source = link.source, target = link.target; - x = target.x + target.vx - source.x - source.vx || jiggle(); - y = target.y + target.vy - source.y - source.vy || jiggle(); - l = Math.sqrt(x * x + y * y); - l = (l - distances[i]) / l * alpha * strengths[i]; - x *= l, y *= l; - target.vx -= x * (b = bias[i]); - target.vy -= y * b; - source.vx += x * (b = 1 - b); - source.vy += y * b; - } - } - } - - function initialize() { - if (!nodes) return; - - var i, - n = nodes.length, - m = links.length, - nodeById = map$1(nodes, id), - link; - - for (i = 0, count = new Array(n); i < m; ++i) { - link = links[i], link.index = i; - if (typeof link.source !== "object") link.source = find(nodeById, link.source); - if (typeof link.target !== "object") link.target = find(nodeById, link.target); - count[link.source.index] = (count[link.source.index] || 0) + 1; - count[link.target.index] = (count[link.target.index] || 0) + 1; - } - - for (i = 0, bias = new Array(m); i < m; ++i) { - link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); - } - - strengths = new Array(m), initializeStrength(); - distances = new Array(m), initializeDistance(); - } - - function initializeStrength() { - if (!nodes) return; - - for (var i = 0, n = links.length; i < n; ++i) { - strengths[i] = +strength(links[i], i, links); - } - } - - function initializeDistance() { - if (!nodes) return; - - for (var i = 0, n = links.length; i < n; ++i) { - distances[i] = +distance(links[i], i, links); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.links = function(_) { - return arguments.length ? (links = _, initialize(), force) : links; - }; - - force.id = function(_) { - return arguments.length ? (id = _, force) : id; - }; - - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initializeStrength(), force) : strength; - }; - - force.distance = function(_) { - return arguments.length ? (distance = typeof _ === "function" ? _ : constant$7(+_), initializeDistance(), force) : distance; - }; - - return force; - } - - function x$1(d) { - return d.x; - } - - function y$1(d) { - return d.y; - } - - var initialRadius = 10, - initialAngle = Math.PI * (3 - Math.sqrt(5)); - - function simulation(nodes) { - var simulation, - alpha = 1, - alphaMin = 0.001, - alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), - alphaTarget = 0, - velocityDecay = 0.6, - forces = map$1(), - stepper = timer(step), - event = dispatch("tick", "end"); - - if (nodes == null) nodes = []; - - function step() { - tick(); - event.call("tick", simulation); - if (alpha < alphaMin) { - stepper.stop(); - event.call("end", simulation); - } - } - - function tick(iterations) { - var i, n = nodes.length, node; - - if (iterations === undefined) iterations = 1; - - for (var k = 0; k < iterations; ++k) { - alpha += (alphaTarget - alpha) * alphaDecay; - - forces.each(function (force) { - force(alpha); - }); - - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (node.fx == null) node.x += node.vx *= velocityDecay; - else node.x = node.fx, node.vx = 0; - if (node.fy == null) node.y += node.vy *= velocityDecay; - else node.y = node.fy, node.vy = 0; - } - } - - return simulation; - } - - function initializeNodes() { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.index = i; - if (node.fx != null) node.x = node.fx; - if (node.fy != null) node.y = node.fy; - if (isNaN(node.x) || isNaN(node.y)) { - var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; - node.x = radius * Math.cos(angle); - node.y = radius * Math.sin(angle); - } - if (isNaN(node.vx) || isNaN(node.vy)) { - node.vx = node.vy = 0; - } - } - } - - function initializeForce(force) { - if (force.initialize) force.initialize(nodes); - return force; - } - - initializeNodes(); - - return simulation = { - tick: tick, - - restart: function() { - return stepper.restart(step), simulation; - }, - - stop: function() { - return stepper.stop(), simulation; - }, - - nodes: function(_) { - return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; - }, - - alpha: function(_) { - return arguments.length ? (alpha = +_, simulation) : alpha; - }, - - alphaMin: function(_) { - return arguments.length ? (alphaMin = +_, simulation) : alphaMin; - }, - - alphaDecay: function(_) { - return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; - }, - - alphaTarget: function(_) { - return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; - }, - - velocityDecay: function(_) { - return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; - }, - - force: function(name, _) { - return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); - }, - - find: function(x, y, radius) { - var i = 0, - n = nodes.length, - dx, - dy, - d2, - node, - closest; - - if (radius == null) radius = Infinity; - else radius *= radius; - - for (i = 0; i < n; ++i) { - node = nodes[i]; - dx = x - node.x; - dy = y - node.y; - d2 = dx * dx + dy * dy; - if (d2 < radius) closest = node, radius = d2; - } - - return closest; - }, - - on: function(name, _) { - return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); - } - }; - } - - function manyBody() { - var nodes, - node, - alpha, - strength = constant$7(-30), - strengths, - distanceMin2 = 1, - distanceMax2 = Infinity, - theta2 = 0.81; - - function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate); - for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - strengths = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); - } - - function accumulate(quad) { - var strength = 0, q, c, weight = 0, x, y, i; - - // For internal nodes, accumulate forces from child quadrants. - if (quad.length) { - for (x = y = i = 0; i < 4; ++i) { - if ((q = quad[i]) && (c = Math.abs(q.value))) { - strength += q.value, weight += c, x += c * q.x, y += c * q.y; - } - } - quad.x = x / weight; - quad.y = y / weight; - } - - // For leaf nodes, accumulate forces from coincident quadrants. - else { - q = quad; - q.x = q.data.x; - q.y = q.data.y; - do strength += strengths[q.data.index]; - while (q = q.next); - } - - quad.value = strength; - } - - function apply(quad, x1, _, x2) { - if (!quad.value) return true; - - var x = quad.x - node.x, - y = quad.y - node.y, - w = x2 - x1, - l = x * x + y * y; - - // Apply the Barnes-Hut approximation if possible. - // Limit forces for very close nodes; randomize direction if coincident. - if (w * w / theta2 < l) { - if (l < distanceMax2) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - node.vx += x * quad.value * alpha / l; - node.vy += y * quad.value * alpha / l; - } - return true; - } - - // Otherwise, process points directly. - else if (quad.length || l >= distanceMax2) return; - - // Limit forces for very close nodes; randomize direction if coincident. - if (quad.data !== node || quad.next) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - } - - do if (quad.data !== node) { - w = strengths[quad.data.index] * alpha / l; - node.vx += x * w; - node.vy += y * w; - } while (quad = quad.next); - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; - - force.distanceMin = function(_) { - return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); - }; - - force.distanceMax = function(_) { - return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); - }; - - force.theta = function(_) { - return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); - }; - - return force; - } - - function radial(radius, x, y) { - var nodes, - strength = constant$7(0.1), - strengths, - radiuses; - - if (typeof radius !== "function") radius = constant$7(+radius); - if (x == null) x = 0; - if (y == null) y = 0; - - function force(alpha) { - for (var i = 0, n = nodes.length; i < n; ++i) { - var node = nodes[i], - dx = node.x - x || 1e-6, - dy = node.y - y || 1e-6, - r = Math.sqrt(dx * dx + dy * dy), - k = (radiuses[i] - r) * strengths[i] * alpha / r; - node.vx += dx * k; - node.vy += dy * k; - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - radiuses = new Array(n); - for (i = 0; i < n; ++i) { - radiuses[i] = +radius(nodes[i], i, nodes); - strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes); - } - } - - force.initialize = function(_) { - nodes = _, initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; - - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; - }; - - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; - - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; - - return force; - } - - function x$2(x) { - var strength = constant$7(0.1), - nodes, - strengths, - xz; - - if (typeof x !== "function") x = constant$7(x == null ? 0 : +x); - - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - xz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; - - force.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : x; - }; - - return force; - } - - function y$2(y) { - var strength = constant$7(0.1), - nodes, - strengths, - yz; - - if (typeof y !== "function") y = constant$7(y == null ? 0 : +y); - - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - yz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; - - force.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : y; - }; - - return force; - } - - // Computes the decimal coefficient and exponent of the specified number x with - // significant digits p, where x is positive and p is in [1, 21] or undefined. - // For example, formatDecimal(1.23) returns ["123", 0]. - function formatDecimal(x, p) { - if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity - var i, coefficient = x.slice(0, i); - - // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ - // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). - return [ - coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, - +x.slice(i + 1) - ]; - } - - function exponent$1(x) { - return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; - } - - function formatGroup(grouping, thousands) { - return function(value, width) { - var i = value.length, - t = [], - j = 0, - g = grouping[0], - length = 0; - - while (i > 0 && g > 0) { - if (length + g + 1 > width) g = Math.max(1, width - length); - t.push(value.substring(i -= g, i + g)); - if ((length += g + 1) > width) break; - g = grouping[j = (j + 1) % grouping.length]; - } - - return t.reverse().join(thousands); - }; - } - - function formatNumerals(numerals) { - return function(value) { - return value.replace(/[0-9]/g, function(i) { - return numerals[+i]; - }); - }; - } - - // [[fill]align][sign][symbol][0][width][,][.precision][~][type] - var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; - - function formatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - var match; - return new FormatSpecifier({ - fill: match[1], - align: match[2], - sign: match[3], - symbol: match[4], - zero: match[5], - width: match[6], - comma: match[7], - precision: match[8] && match[8].slice(1), - trim: match[9], - type: match[10] - }); - } - - formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof - - function FormatSpecifier(specifier) { - this.fill = specifier.fill === undefined ? " " : specifier.fill + ""; - this.align = specifier.align === undefined ? ">" : specifier.align + ""; - this.sign = specifier.sign === undefined ? "-" : specifier.sign + ""; - this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + ""; - this.zero = !!specifier.zero; - this.width = specifier.width === undefined ? undefined : +specifier.width; - this.comma = !!specifier.comma; - this.precision = specifier.precision === undefined ? undefined : +specifier.precision; - this.trim = !!specifier.trim; - this.type = specifier.type === undefined ? "" : specifier.type + ""; - } - - FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width === undefined ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0)) - + (this.trim ? "~" : "") - + this.type; - }; - - // Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k. - function formatTrim(s) { - out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) { - switch (s[i]) { - case ".": i0 = i1 = i; break; - case "0": if (i0 === 0) i0 = i; i1 = i; break; - default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break; - } - } - return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; - } - - var prefixExponent; - - function formatPrefixAuto(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1], - i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, - n = coefficient.length; - return i === n ? coefficient - : i > n ? coefficient + new Array(i - n + 1).join("0") - : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) - : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! - } - - function formatRounded(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1]; - return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient - : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) - : coefficient + new Array(exponent - coefficient.length + 2).join("0"); - } - - var formatTypes = { - "%": function(x, p) { return (x * 100).toFixed(p); }, - "b": function(x) { return Math.round(x).toString(2); }, - "c": function(x) { return x + ""; }, - "d": function(x) { return Math.round(x).toString(10); }, - "e": function(x, p) { return x.toExponential(p); }, - "f": function(x, p) { return x.toFixed(p); }, - "g": function(x, p) { return x.toPrecision(p); }, - "o": function(x) { return Math.round(x).toString(8); }, - "p": function(x, p) { return formatRounded(x * 100, p); }, - "r": formatRounded, - "s": formatPrefixAuto, - "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, - "x": function(x) { return Math.round(x).toString(16); } - }; - - function identity$3(x) { - return x; - } - - var map$2 = Array.prototype.map, - prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"]; - - function formatLocale(locale) { - var group = locale.grouping === undefined || locale.thousands === undefined ? identity$3 : formatGroup(map$2.call(locale.grouping, Number), locale.thousands + ""), - currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "", - currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "", - decimal = locale.decimal === undefined ? "." : locale.decimal + "", - numerals = locale.numerals === undefined ? identity$3 : formatNumerals(map$2.call(locale.numerals, String)), - percent = locale.percent === undefined ? "%" : locale.percent + "", - minus = locale.minus === undefined ? "-" : locale.minus + "", - nan = locale.nan === undefined ? "NaN" : locale.nan + ""; - - function newFormat(specifier) { - specifier = formatSpecifier(specifier); - - var fill = specifier.fill, - align = specifier.align, - sign = specifier.sign, - symbol = specifier.symbol, - zero = specifier.zero, - width = specifier.width, - comma = specifier.comma, - precision = specifier.precision, - trim = specifier.trim, - type = specifier.type; - - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; - - // The "" type, and any invalid type, is an alias for ".12~g". - else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g"; - - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; - - // Compute the prefix and suffix. - // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : ""; - - // What format function should we use? - // Is this an integer type? - // Can this type generate exponential notation? - var formatType = formatTypes[type], - maybeSuffix = /[defgprs%]/.test(type); - - // Set the default precision if not specified, - // or clamp the specified precision to the supported range. - // For significant precision, it must be in [1, 21]. - // For fixed precision, it must be in [0, 20]. - precision = precision === undefined ? 6 - : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) - : Math.max(0, Math.min(20, precision)); - - function format(value) { - var valuePrefix = prefix, - valueSuffix = suffix, - i, n, c; - - if (type === "c") { - valueSuffix = formatType(value) + valueSuffix; - value = ""; - } else { - value = +value; - - // Determine the sign. -0 is not less than 0, but 1 / -0 is! - var valueNegative = value < 0 || 1 / value < 0; - - // Perform the initial formatting. - value = isNaN(value) ? nan : formatType(Math.abs(value), precision); - - // Trim insignificant zeros. - if (trim) value = formatTrim(value); - - // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. - if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; - - // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); - - // Break the formatted value into the integer “value” part that can be - // grouped, and fractional or exponential “suffix” part that is not. - if (maybeSuffix) { - i = -1, n = value.length; - while (++i < n) { - if (c = value.charCodeAt(i), 48 > c || c > 57) { - valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; - value = value.slice(0, i); - break; - } - } - } - } - - // If the fill character is not "0", grouping is applied before padding. - if (comma && !zero) value = group(value, Infinity); - - // Compute the padding. - var length = valuePrefix.length + value.length + valueSuffix.length, - padding = length < width ? new Array(width - length + 1).join(fill) : ""; - - // If the fill character is "0", grouping is applied after padding. - if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; - - // Reconstruct the final output based on the desired alignment. - switch (align) { - case "<": value = valuePrefix + value + valueSuffix + padding; break; - case "=": value = valuePrefix + padding + value + valueSuffix; break; - case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break; - default: value = padding + valuePrefix + value + valueSuffix; break; - } - - return numerals(value); - } - - format.toString = function() { - return specifier + ""; - }; - - return format; - } - - function formatPrefix(specifier, value) { - var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), - e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, - k = Math.pow(10, -e), - prefix = prefixes[8 + e / 3]; - return function(value) { - return f(k * value) + prefix; - }; - } - - return { - format: newFormat, - formatPrefix: formatPrefix - }; - } - - var locale; - var format; - var formatPrefix; - - defaultLocale({ - decimal: ".", - thousands: ",", - grouping: [3], - currency: ["$", ""], - minus: "-" - }); - - function defaultLocale(definition) { - locale = formatLocale(definition); - format = locale.format; - formatPrefix = locale.formatPrefix; - return locale; - } - - function precisionFixed(step) { - return Math.max(0, -exponent$1(Math.abs(step))); - } - - function precisionPrefix(step, value) { - return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); - } - - function precisionRound(step, max) { - step = Math.abs(step), max = Math.abs(max) - step; - return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; - } - - // Adds floating point numbers with twice the normal precision. - // Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and - // Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) - // 305–363 (1997). - // Code adapted from GeographicLib by Charles F. F. Karney, - // http://geographiclib.sourceforge.net/ - - function adder() { - return new Adder; - } - - function Adder() { - this.reset(); - } - - Adder.prototype = { - constructor: Adder, - reset: function() { - this.s = // rounded value - this.t = 0; // exact error - }, - add: function(y) { - add$1(temp, y, this.t); - add$1(this, temp.s, this.s); - if (this.s) this.t += temp.t; - else this.s = temp.t; - }, - valueOf: function() { - return this.s; - } - }; - - var temp = new Adder; - - function add$1(adder, a, b) { - var x = adder.s = a + b, - bv = x - a, - av = x - bv; - adder.t = (a - av) + (b - bv); - } - - var epsilon$2 = 1e-6; - var epsilon2$1 = 1e-12; - var pi$3 = Math.PI; - var halfPi$2 = pi$3 / 2; - var quarterPi = pi$3 / 4; - var tau$3 = pi$3 * 2; - - var degrees$1 = 180 / pi$3; - var radians = pi$3 / 180; - - var abs = Math.abs; - var atan = Math.atan; - var atan2 = Math.atan2; - var cos$1 = Math.cos; - var ceil = Math.ceil; - var exp = Math.exp; - var log = Math.log; - var pow = Math.pow; - var sin$1 = Math.sin; - var sign = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; - var sqrt = Math.sqrt; - var tan = Math.tan; - - function acos(x) { - return x > 1 ? 0 : x < -1 ? pi$3 : Math.acos(x); - } - - function asin(x) { - return x > 1 ? halfPi$2 : x < -1 ? -halfPi$2 : Math.asin(x); - } - - function haversin(x) { - return (x = sin$1(x / 2)) * x; - } - - function noop$2() {} - - function streamGeometry(geometry, stream) { - if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { - streamGeometryType[geometry.type](geometry, stream); - } - } - - var streamObjectType = { - Feature: function(object, stream) { - streamGeometry(object.geometry, stream); - }, - FeatureCollection: function(object, stream) { - var features = object.features, i = -1, n = features.length; - while (++i < n) streamGeometry(features[i].geometry, stream); - } - }; - - var streamGeometryType = { - Sphere: function(object, stream) { - stream.sphere(); - }, - Point: function(object, stream) { - object = object.coordinates; - stream.point(object[0], object[1], object[2]); - }, - MultiPoint: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); - }, - LineString: function(object, stream) { - streamLine(object.coordinates, stream, 0); - }, - MultiLineString: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamLine(coordinates[i], stream, 0); - }, - Polygon: function(object, stream) { - streamPolygon(object.coordinates, stream); - }, - MultiPolygon: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamPolygon(coordinates[i], stream); - }, - GeometryCollection: function(object, stream) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) streamGeometry(geometries[i], stream); - } - }; - - function streamLine(coordinates, stream, closed) { - var i = -1, n = coordinates.length - closed, coordinate; - stream.lineStart(); - while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); - stream.lineEnd(); - } - - function streamPolygon(coordinates, stream) { - var i = -1, n = coordinates.length; - stream.polygonStart(); - while (++i < n) streamLine(coordinates[i], stream, 1); - stream.polygonEnd(); - } - - function geoStream(object, stream) { - if (object && streamObjectType.hasOwnProperty(object.type)) { - streamObjectType[object.type](object, stream); - } else { - streamGeometry(object, stream); - } - } - - var areaRingSum = adder(); - - var areaSum = adder(), - lambda00, - phi00, - lambda0, - cosPhi0, - sinPhi0; - - var areaStream = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaRingSum.reset(); - areaStream.lineStart = areaRingStart; - areaStream.lineEnd = areaRingEnd; - }, - polygonEnd: function() { - var areaRing = +areaRingSum; - areaSum.add(areaRing < 0 ? tau$3 + areaRing : areaRing); - this.lineStart = this.lineEnd = this.point = noop$2; - }, - sphere: function() { - areaSum.add(tau$3); - } - }; - - function areaRingStart() { - areaStream.point = areaPointFirst; - } - - function areaRingEnd() { - areaPoint(lambda00, phi00); - } - - function areaPointFirst(lambda, phi) { - areaStream.point = areaPoint; - lambda00 = lambda, phi00 = phi; - lambda *= radians, phi *= radians; - lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); - } - - function areaPoint(lambda, phi) { - lambda *= radians, phi *= radians; - phi = phi / 2 + quarterPi; // half the angular distance from south pole - - // Spherical excess E for a spherical triangle with vertices: south pole, - // previous point, current point. Uses a formula derived from Cagnoli’s - // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). - var dLambda = lambda - lambda0, - sdLambda = dLambda >= 0 ? 1 : -1, - adLambda = sdLambda * dLambda, - cosPhi = cos$1(phi), - sinPhi = sin$1(phi), - k = sinPhi0 * sinPhi, - u = cosPhi0 * cosPhi + k * cos$1(adLambda), - v = k * sdLambda * sin$1(adLambda); - areaRingSum.add(atan2(v, u)); - - // Advance the previous points. - lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; - } - - function area$1(object) { - areaSum.reset(); - geoStream(object, areaStream); - return areaSum * 2; - } - - function spherical(cartesian) { - return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])]; - } - - function cartesian(spherical) { - var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); - return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; - } - - function cartesianDot(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; - } - - function cartesianCross(a, b) { - return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; - } - - // TODO return a - function cartesianAddInPlace(a, b) { - a[0] += b[0], a[1] += b[1], a[2] += b[2]; - } - - function cartesianScale(vector, k) { - return [vector[0] * k, vector[1] * k, vector[2] * k]; - } - - // TODO return d - function cartesianNormalizeInPlace(d) { - var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); - d[0] /= l, d[1] /= l, d[2] /= l; - } - - var lambda0$1, phi0, lambda1, phi1, // bounds - lambda2, // previous lambda-coordinate - lambda00$1, phi00$1, // first point - p0, // previous 3D point - deltaSum = adder(), - ranges, - range; - - var boundsStream = { - point: boundsPoint, - lineStart: boundsLineStart, - lineEnd: boundsLineEnd, - polygonStart: function() { - boundsStream.point = boundsRingPoint; - boundsStream.lineStart = boundsRingStart; - boundsStream.lineEnd = boundsRingEnd; - deltaSum.reset(); - areaStream.polygonStart(); - }, - polygonEnd: function() { - areaStream.polygonEnd(); - boundsStream.point = boundsPoint; - boundsStream.lineStart = boundsLineStart; - boundsStream.lineEnd = boundsLineEnd; - if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - else if (deltaSum > epsilon$2) phi1 = 90; - else if (deltaSum < -epsilon$2) phi0 = -90; - range[0] = lambda0$1, range[1] = lambda1; - }, - sphere: function() { - lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - } - }; - - function boundsPoint(lambda, phi) { - ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - - function linePoint(lambda, phi) { - var p = cartesian([lambda * radians, phi * radians]); - if (p0) { - var normal = cartesianCross(p0, p), - equatorial = [normal[1], -normal[0], 0], - inflection = cartesianCross(equatorial, normal); - cartesianNormalizeInPlace(inflection); - inflection = spherical(inflection); - var delta = lambda - lambda2, - sign = delta > 0 ? 1 : -1, - lambdai = inflection[0] * degrees$1 * sign, - phii, - antimeridian = abs(delta) > 180; - if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = inflection[1] * degrees$1; - if (phii > phi1) phi1 = phii; - } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = -inflection[1] * degrees$1; - if (phii < phi0) phi0 = phii; - } else { - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - if (antimeridian) { - if (lambda < lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } else { - if (lambda1 >= lambda0$1) { - if (lambda < lambda0$1) lambda0$1 = lambda; - if (lambda > lambda1) lambda1 = lambda; - } else { - if (lambda > lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } - } - } else { - ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); - } - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - p0 = p, lambda2 = lambda; - } - - function boundsLineStart() { - boundsStream.point = linePoint; - } - - function boundsLineEnd() { - range[0] = lambda0$1, range[1] = lambda1; - boundsStream.point = boundsPoint; - p0 = null; - } - - function boundsRingPoint(lambda, phi) { - if (p0) { - var delta = lambda - lambda2; - deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); - } else { - lambda00$1 = lambda, phi00$1 = phi; - } - areaStream.point(lambda, phi); - linePoint(lambda, phi); - } - - function boundsRingStart() { - areaStream.lineStart(); - } - - function boundsRingEnd() { - boundsRingPoint(lambda00$1, phi00$1); - areaStream.lineEnd(); - if (abs(deltaSum) > epsilon$2) lambda0$1 = -(lambda1 = 180); - range[0] = lambda0$1, range[1] = lambda1; - p0 = null; - } - - // Finds the left-right distance between two longitudes. - // This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want - // the distance between ±180° to be 360°. - function angle(lambda0, lambda1) { - return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; - } - - function rangeCompare(a, b) { - return a[0] - b[0]; - } - - function rangeContains(range, x) { - return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; - } - - function bounds(feature) { - var i, n, a, b, merged, deltaMax, delta; - - phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); - ranges = []; - geoStream(feature, boundsStream); - - // First, sort ranges by their minimum longitudes. - if (n = ranges.length) { - ranges.sort(rangeCompare); - - // Then, merge any ranges that overlap. - for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { - b = ranges[i]; - if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { - if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; - if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; - } else { - merged.push(a = b); - } - } - - // Finally, find the largest gap between the merged ranges. - // The final bounding box will be the inverse of this gap. - for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { - b = merged[i]; - if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; - } - } - - ranges = range = null; - - return lambda0$1 === Infinity || phi0 === Infinity - ? [[NaN, NaN], [NaN, NaN]] - : [[lambda0$1, phi0], [lambda1, phi1]]; - } - - var W0, W1, - X0, Y0, Z0, - X1, Y1, Z1, - X2, Y2, Z2, - lambda00$2, phi00$2, // first point - x0, y0, z0; // previous point - - var centroidStream = { - sphere: noop$2, - point: centroidPoint, - lineStart: centroidLineStart, - lineEnd: centroidLineEnd, - polygonStart: function() { - centroidStream.lineStart = centroidRingStart; - centroidStream.lineEnd = centroidRingEnd; - }, - polygonEnd: function() { - centroidStream.lineStart = centroidLineStart; - centroidStream.lineEnd = centroidLineEnd; - } - }; - - // Arithmetic mean of Cartesian vectors. - function centroidPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); - } - - function centroidPointCartesian(x, y, z) { - ++W0; - X0 += (x - X0) / W0; - Y0 += (y - Y0) / W0; - Z0 += (z - Z0) / W0; - } - - function centroidLineStart() { - centroidStream.point = centroidLinePointFirst; - } - - function centroidLinePointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidStream.point = centroidLinePoint; - centroidPointCartesian(x0, y0, z0); - } - - function centroidLinePoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - w = atan2(sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); - } - - function centroidLineEnd() { - centroidStream.point = centroidPoint; - } - - // See J. E. Brock, The Inertia Tensor for a Spherical Triangle, - // J. Applied Mechanics 42, 239 (1975). - function centroidRingStart() { - centroidStream.point = centroidRingPointFirst; - } - - function centroidRingEnd() { - centroidRingPoint(lambda00$2, phi00$2); - centroidStream.point = centroidPoint; - } - - function centroidRingPointFirst(lambda, phi) { - lambda00$2 = lambda, phi00$2 = phi; - lambda *= radians, phi *= radians; - centroidStream.point = centroidRingPoint; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidPointCartesian(x0, y0, z0); - } - - function centroidRingPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - cx = y0 * z - z0 * y, - cy = z0 * x - x0 * z, - cz = x0 * y - y0 * x, - m = sqrt(cx * cx + cy * cy + cz * cz), - w = asin(m), // line weight = angle - v = m && -w / m; // area weight multiplier - X2 += v * cx; - Y2 += v * cy; - Z2 += v * cz; - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); - } - - function centroid(object) { - W0 = W1 = - X0 = Y0 = Z0 = - X1 = Y1 = Z1 = - X2 = Y2 = Z2 = 0; - geoStream(object, centroidStream); - - var x = X2, - y = Y2, - z = Z2, - m = x * x + y * y + z * z; - - // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. - if (m < epsilon2$1) { - x = X1, y = Y1, z = Z1; - // If the feature has zero length, fall back to arithmetic mean of point vectors. - if (W1 < epsilon$2) x = X0, y = Y0, z = Z0; - m = x * x + y * y + z * z; - // If the feature still has an undefined ccentroid, then return. - if (m < epsilon2$1) return [NaN, NaN]; - } - - return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1]; - } - - function constant$8(x) { - return function() { - return x; - }; - } - - function compose(a, b) { - - function compose(x, y) { - return x = a(x, y), b(x[0], x[1]); - } - - if (a.invert && b.invert) compose.invert = function(x, y) { - return x = b.invert(x, y), x && a.invert(x[0], x[1]); - }; - - return compose; - } - - function rotationIdentity(lambda, phi) { - return [abs(lambda) > pi$3 ? lambda + Math.round(-lambda / tau$3) * tau$3 : lambda, phi]; - } - - rotationIdentity.invert = rotationIdentity; - - function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { - return (deltaLambda %= tau$3) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) - : rotationLambda(deltaLambda)) - : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) - : rotationIdentity); - } - - function forwardRotationLambda(deltaLambda) { - return function(lambda, phi) { - return lambda += deltaLambda, [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; - }; - } - - function rotationLambda(deltaLambda) { - var rotation = forwardRotationLambda(deltaLambda); - rotation.invert = forwardRotationLambda(-deltaLambda); - return rotation; - } - - function rotationPhiGamma(deltaPhi, deltaGamma) { - var cosDeltaPhi = cos$1(deltaPhi), - sinDeltaPhi = sin$1(deltaPhi), - cosDeltaGamma = cos$1(deltaGamma), - sinDeltaGamma = sin$1(deltaGamma); - - function rotation(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaPhi + x * sinDeltaPhi; - return [ - atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), - asin(k * cosDeltaGamma + y * sinDeltaGamma) - ]; - } - - rotation.invert = function(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaGamma - y * sinDeltaGamma; - return [ - atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), - asin(k * cosDeltaPhi - x * sinDeltaPhi) - ]; - }; - - return rotation; - } - - function rotation(rotate) { - rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); - - function forward(coordinates) { - coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - } - - forward.invert = function(coordinates) { - coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - }; - - return forward; - } - - // Generates a circle centered at [0°, 0°], with a given radius and precision. - function circleStream(stream, radius, delta, direction, t0, t1) { - if (!delta) return; - var cosRadius = cos$1(radius), - sinRadius = sin$1(radius), - step = direction * delta; - if (t0 == null) { - t0 = radius + direction * tau$3; - t1 = radius - step / 2; - } else { - t0 = circleRadius(cosRadius, t0); - t1 = circleRadius(cosRadius, t1); - if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$3; - } - for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { - point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); - stream.point(point[0], point[1]); - } - } - - // Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. - function circleRadius(cosRadius, point) { - point = cartesian(point), point[0] -= cosRadius; - cartesianNormalizeInPlace(point); - var radius = acos(-point[1]); - return ((-point[2] < 0 ? -radius : radius) + tau$3 - epsilon$2) % tau$3; - } - - function circle() { - var center = constant$8([0, 0]), - radius = constant$8(90), - precision = constant$8(6), - ring, - rotate, - stream = {point: point}; - - function point(x, y) { - ring.push(x = rotate(x, y)); - x[0] *= degrees$1, x[1] *= degrees$1; - } - - function circle() { - var c = center.apply(this, arguments), - r = radius.apply(this, arguments) * radians, - p = precision.apply(this, arguments) * radians; - ring = []; - rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; - circleStream(stream, r, p, 1); - c = {type: "Polygon", coordinates: [ring]}; - ring = rotate = null; - return c; - } - - circle.center = function(_) { - return arguments.length ? (center = typeof _ === "function" ? _ : constant$8([+_[0], +_[1]]), circle) : center; - }; - - circle.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$8(+_), circle) : radius; - }; - - circle.precision = function(_) { - return arguments.length ? (precision = typeof _ === "function" ? _ : constant$8(+_), circle) : precision; - }; - - return circle; - } - - function clipBuffer() { - var lines = [], - line; - return { - point: function(x, y, m) { - line.push([x, y, m]); - }, - lineStart: function() { - lines.push(line = []); - }, - lineEnd: noop$2, - rejoin: function() { - if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); - }, - result: function() { - var result = lines; - lines = []; - line = null; - return result; - } - }; - } - - function pointEqual(a, b) { - return abs(a[0] - b[0]) < epsilon$2 && abs(a[1] - b[1]) < epsilon$2; - } - - function Intersection(point, points, other, entry) { - this.x = point; - this.z = points; - this.o = other; // another intersection - this.e = entry; // is an entry? - this.v = false; // visited - this.n = this.p = null; // next & previous - } - - // A generalized polygon clipping algorithm: given a polygon that has been cut - // into its visible line segments, and rejoins the segments by interpolating - // along the clip edge. - function clipRejoin(segments, compareIntersection, startInside, interpolate, stream) { - var subject = [], - clip = [], - i, - n; - - segments.forEach(function(segment) { - if ((n = segment.length - 1) <= 0) return; - var n, p0 = segment[0], p1 = segment[n], x; - - if (pointEqual(p0, p1)) { - if (!p0[2] && !p1[2]) { - stream.lineStart(); - for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); - stream.lineEnd(); - return; - } - // handle degenerate cases by moving the point - p1[0] += 2 * epsilon$2; - } - - subject.push(x = new Intersection(p0, segment, null, true)); - clip.push(x.o = new Intersection(p0, null, x, false)); - subject.push(x = new Intersection(p1, segment, null, false)); - clip.push(x.o = new Intersection(p1, null, x, true)); - }); - - if (!subject.length) return; - - clip.sort(compareIntersection); - link$1(subject); - link$1(clip); - - for (i = 0, n = clip.length; i < n; ++i) { - clip[i].e = startInside = !startInside; - } - - var start = subject[0], - points, - point; - - while (1) { - // Find first unvisited intersection. - var current = start, - isSubject = true; - while (current.v) if ((current = current.n) === start) return; - points = current.z; - stream.lineStart(); - do { - current.v = current.o.v = true; - if (current.e) { - if (isSubject) { - for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.n.x, 1, stream); - } - current = current.n; - } else { - if (isSubject) { - points = current.p.z; - for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.p.x, -1, stream); - } - current = current.p; - } - current = current.o; - points = current.z; - isSubject = !isSubject; - } while (!current.v); - stream.lineEnd(); - } - } - - function link$1(array) { - if (!(n = array.length)) return; - var n, - i = 0, - a = array[0], - b; - while (++i < n) { - a.n = b = array[i]; - b.p = a; - a = b; - } - a.n = b = array[0]; - b.p = a; - } - - var sum$1 = adder(); - - function longitude(point) { - if (abs(point[0]) <= pi$3) - return point[0]; - else - return sign(point[0]) * ((abs(point[0]) + pi$3) % tau$3 - pi$3); - } - - function polygonContains(polygon, point) { - var lambda = longitude(point), - phi = point[1], - sinPhi = sin$1(phi), - normal = [sin$1(lambda), -cos$1(lambda), 0], - angle = 0, - winding = 0; - - sum$1.reset(); - - if (sinPhi === 1) phi = halfPi$2 + epsilon$2; - else if (sinPhi === -1) phi = -halfPi$2 - epsilon$2; - - for (var i = 0, n = polygon.length; i < n; ++i) { - if (!(m = (ring = polygon[i]).length)) continue; - var ring, - m, - point0 = ring[m - 1], - lambda0 = longitude(point0), - phi0 = point0[1] / 2 + quarterPi, - sinPhi0 = sin$1(phi0), - cosPhi0 = cos$1(phi0); - - for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { - var point1 = ring[j], - lambda1 = longitude(point1), - phi1 = point1[1] / 2 + quarterPi, - sinPhi1 = sin$1(phi1), - cosPhi1 = cos$1(phi1), - delta = lambda1 - lambda0, - sign = delta >= 0 ? 1 : -1, - absDelta = sign * delta, - antimeridian = absDelta > pi$3, - k = sinPhi0 * sinPhi1; - - sum$1.add(atan2(k * sign * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); - angle += antimeridian ? delta + sign * tau$3 : delta; - - // Are the longitudes either side of the point’s meridian (lambda), - // and are the latitudes smaller than the parallel (phi)? - if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { - var arc = cartesianCross(cartesian(point0), cartesian(point1)); - cartesianNormalizeInPlace(arc); - var intersection = cartesianCross(normal, arc); - cartesianNormalizeInPlace(intersection); - var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]); - if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { - winding += antimeridian ^ delta >= 0 ? 1 : -1; - } - } - } - } - - // First, determine whether the South pole is inside or outside: - // - // It is inside if: - // * the polygon winds around it in a clockwise direction. - // * the polygon does not (cumulatively) wind around it, but has a negative - // (counter-clockwise) area. - // - // Second, count the (signed) number of times a segment crosses a lambda - // from the point to the South pole. If it is zero, then the point is the - // same side as the South pole. - - return (angle < -epsilon$2 || angle < epsilon$2 && sum$1 < -epsilon$2) ^ (winding & 1); - } - - function clip(pointVisible, clipLine, interpolate, start) { - return function(sink) { - var line = clipLine(sink), - ringBuffer = clipBuffer(), - ringSink = clipLine(ringBuffer), - polygonStarted = false, - polygon, - segments, - ring; - - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = merge(segments); - var startInside = polygonContains(polygon, start); - if (segments.length) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - clipRejoin(segments, compareIntersection, startInside, interpolate, sink); - } else if (startInside) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - } - if (polygonStarted) sink.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - sink.polygonStart(); - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - sink.polygonEnd(); - } - }; - - function point(lambda, phi) { - if (pointVisible(lambda, phi)) sink.point(lambda, phi); - } - - function pointLine(lambda, phi) { - line.point(lambda, phi); - } - - function lineStart() { - clip.point = pointLine; - line.lineStart(); - } - - function lineEnd() { - clip.point = point; - line.lineEnd(); - } - - function pointRing(lambda, phi) { - ring.push([lambda, phi]); - ringSink.point(lambda, phi); - } - - function ringStart() { - ringSink.lineStart(); - ring = []; - } - - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringSink.lineEnd(); - - var clean = ringSink.clean(), - ringSegments = ringBuffer.result(), - i, n = ringSegments.length, m, - segment, - point; - - ring.pop(); - polygon.push(ring); - ring = null; - - if (!n) return; - - // No intersections. - if (clean & 1) { - segment = ringSegments[0]; - if ((m = segment.length - 1) > 0) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); - sink.lineEnd(); - } - return; - } - - // Rejoin connected segments. - // TODO reuse ringBuffer.rejoin()? - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); - - segments.push(ringSegments.filter(validSegment)); - } - - return clip; - }; - } - - function validSegment(segment) { - return segment.length > 1; - } - - // Intersections are sorted along the clip edge. For both antimeridian cutting - // and circle clipping, the same comparison is used. - function compareIntersection(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$2 : halfPi$2 - a[1]) - - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]); - } - - var clipAntimeridian = clip( - function() { return true; }, - clipAntimeridianLine, - clipAntimeridianInterpolate, - [-pi$3, -halfPi$2] - ); - - // Takes a line and cuts into visible segments. Return values: 0 - there were - // intersections or the line was empty; 1 - no intersections; 2 - there were - // intersections, and the first and last segments should be rejoined. - function clipAntimeridianLine(stream) { - var lambda0 = NaN, - phi0 = NaN, - sign0 = NaN, - clean; // no intersections - - return { - lineStart: function() { - stream.lineStart(); - clean = 1; - }, - point: function(lambda1, phi1) { - var sign1 = lambda1 > 0 ? pi$3 : -pi$3, - delta = abs(lambda1 - lambda0); - if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole - stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - stream.point(lambda1, phi0); - clean = 0; - } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian - if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies - if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2; - phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - clean = 0; - } - stream.point(lambda0 = lambda1, phi0 = phi1); - sign0 = sign1; - }, - lineEnd: function() { - stream.lineEnd(); - lambda0 = phi0 = NaN; - }, - clean: function() { - return 2 - clean; // if intersections, rejoin first and last segments - } - }; - } - - function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { - var cosPhi0, - cosPhi1, - sinLambda0Lambda1 = sin$1(lambda0 - lambda1); - return abs(sinLambda0Lambda1) > epsilon$2 - ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) - - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) - / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) - : (phi0 + phi1) / 2; - } - - function clipAntimeridianInterpolate(from, to, direction, stream) { - var phi; - if (from == null) { - phi = direction * halfPi$2; - stream.point(-pi$3, phi); - stream.point(0, phi); - stream.point(pi$3, phi); - stream.point(pi$3, 0); - stream.point(pi$3, -phi); - stream.point(0, -phi); - stream.point(-pi$3, -phi); - stream.point(-pi$3, 0); - stream.point(-pi$3, phi); - } else if (abs(from[0] - to[0]) > epsilon$2) { - var lambda = from[0] < to[0] ? pi$3 : -pi$3; - phi = direction * lambda / 2; - stream.point(-lambda, phi); - stream.point(0, phi); - stream.point(lambda, phi); - } else { - stream.point(to[0], to[1]); - } - } - - function clipCircle(radius) { - var cr = cos$1(radius), - delta = 6 * radians, - smallRadius = cr > 0, - notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case - - function interpolate(from, to, direction, stream) { - circleStream(stream, radius, delta, direction, from, to); - } - - function visible(lambda, phi) { - return cos$1(lambda) * cos$1(phi) > cr; - } - - // Takes a line and cuts into visible segments. Return values used for polygon - // clipping: 0 - there were intersections or the line was empty; 1 - no - // intersections 2 - there were intersections, and the first and last segments - // should be rejoined. - function clipLine(stream) { - var point0, // previous point - c0, // code for previous point - v0, // visibility of previous point - v00, // visibility of first point - clean; // no intersections - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(lambda, phi) { - var point1 = [lambda, phi], - point2, - v = visible(lambda, phi), - c = smallRadius - ? v ? 0 : code(lambda, phi) - : v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0; - if (!point0 && (v00 = v0 = v)) stream.lineStart(); - if (v !== v0) { - point2 = intersect(point0, point1); - if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) - point1[2] = 1; - } - if (v !== v0) { - clean = 0; - if (v) { - // outside going in - stream.lineStart(); - point2 = intersect(point1, point0); - stream.point(point2[0], point2[1]); - } else { - // inside going out - point2 = intersect(point0, point1); - stream.point(point2[0], point2[1], 2); - stream.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - // If the codes for two points are different, or are both zero, - // and there this segment intersects with the small circle. - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - } else { - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - stream.lineStart(); - stream.point(t[0][0], t[0][1], 3); - } - } - } - if (v && (!point0 || !pointEqual(point0, point1))) { - stream.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) stream.lineEnd(); - point0 = null; - }, - // Rejoin first and last segments if there were intersections and the first - // and last points were visible. - clean: function() { - return clean | ((v00 && v0) << 1); - } - }; - } - - // Intersects the great circle between a and b with the clip circle. - function intersect(a, b, two) { - var pa = cartesian(a), - pb = cartesian(b); - - // We have two planes, n1.p = d1 and n2.p = d2. - // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). - var n1 = [1, 0, 0], // normal - n2 = cartesianCross(pa, pb), - n2n2 = cartesianDot(n2, n2), - n1n2 = n2[0], // cartesianDot(n1, n2), - determinant = n2n2 - n1n2 * n1n2; - - // Two polar points. - if (!determinant) return !two && a; - - var c1 = cr * n2n2 / determinant, - c2 = -cr * n1n2 / determinant, - n1xn2 = cartesianCross(n1, n2), - A = cartesianScale(n1, c1), - B = cartesianScale(n2, c2); - cartesianAddInPlace(A, B); - - // Solve |p(t)|^2 = 1. - var u = n1xn2, - w = cartesianDot(A, u), - uu = cartesianDot(u, u), - t2 = w * w - uu * (cartesianDot(A, A) - 1); - - if (t2 < 0) return; - - var t = sqrt(t2), - q = cartesianScale(u, (-w - t) / uu); - cartesianAddInPlace(q, A); - q = spherical(q); - - if (!two) return q; - - // Two intersection points. - var lambda0 = a[0], - lambda1 = b[0], - phi0 = a[1], - phi1 = b[1], - z; - - if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; - - var delta = lambda1 - lambda0, - polar = abs(delta - pi$3) < epsilon$2, - meridian = polar || delta < epsilon$2; - - if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; - - // Check that the first point is between a and b. - if (meridian - ? polar - ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$2 ? phi0 : phi1) - : phi0 <= q[1] && q[1] <= phi1 - : delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { - var q1 = cartesianScale(u, (-w + t) / uu); - cartesianAddInPlace(q1, A); - return [q, spherical(q1)]; - } - } - - // Generates a 4-bit vector representing the location of a point relative to - // the small circle's bounding box. - function code(lambda, phi) { - var r = smallRadius ? radius : pi$3 - radius, - code = 0; - if (lambda < -r) code |= 1; // left - else if (lambda > r) code |= 2; // right - if (phi < -r) code |= 4; // below - else if (phi > r) code |= 8; // above - return code; - } - - return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]); - } - - function clipLine(a, b, x0, y0, x1, y1) { - var ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; - - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; - if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; - return true; - } - - var clipMax = 1e9, clipMin = -clipMax; - - // TODO Use d3-polygon’s polygonContains here for the ring check? - // TODO Eliminate duplicate buffering in clipBuffer and polygon.push? - - function clipRectangle(x0, y0, x1, y1) { - - function visible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; - } - - function interpolate(from, to, direction, stream) { - var a = 0, a1 = 0; - if (from == null - || (a = corner(from, direction)) !== (a1 = corner(to, direction)) - || comparePoint(from, to) < 0 ^ direction > 0) { - do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - while ((a = (a + direction + 4) % 4) !== a1); - } else { - stream.point(to[0], to[1]); - } - } - - function corner(p, direction) { - return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3 - : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1 - : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0 - : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon - } - - function compareIntersection(a, b) { - return comparePoint(a.x, b.x); - } - - function comparePoint(a, b) { - var ca = corner(a, 1), - cb = corner(b, 1); - return ca !== cb ? ca - cb - : ca === 0 ? b[1] - a[1] - : ca === 1 ? a[0] - b[0] - : ca === 2 ? a[1] - b[1] - : b[0] - a[0]; - } - - return function(stream) { - var activeStream = stream, - bufferStream = clipBuffer(), - segments, - polygon, - ring, - x__, y__, v__, // first point - x_, y_, v_, // previous point - first, - clean; - - var clipStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: polygonStart, - polygonEnd: polygonEnd - }; - - function point(x, y) { - if (visible(x, y)) activeStream.point(x, y); - } - - function polygonInside() { - var winding = 0; - - for (var i = 0, n = polygon.length; i < n; ++i) { - for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { - a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; - if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } - else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } - } - } - - return winding; - } - - // Buffer geometry within a polygon and then clip it en masse. - function polygonStart() { - activeStream = bufferStream, segments = [], polygon = [], clean = true; - } - - function polygonEnd() { - var startInside = polygonInside(), - cleanInside = clean && startInside, - visible = (segments = merge(segments)).length; - if (cleanInside || visible) { - stream.polygonStart(); - if (cleanInside) { - stream.lineStart(); - interpolate(null, null, 1, stream); - stream.lineEnd(); - } - if (visible) { - clipRejoin(segments, compareIntersection, startInside, interpolate, stream); - } - stream.polygonEnd(); - } - activeStream = stream, segments = polygon = ring = null; - } - - function lineStart() { - clipStream.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; - } - - // TODO rather than special-case polygons, simply handle them separately. - // Ideally, coincident intersection points should be jittered to avoid - // clipping issues. - function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferStream.rejoin(); - segments.push(bufferStream.result()); - } - clipStream.point = point; - if (v_) activeStream.lineEnd(); - } - - function linePoint(x, y) { - var v = visible(x, y); - if (polygon) ring.push([x, y]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - } - } else { - if (v && v_) activeStream.point(x, y); - else { - var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], - b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; - if (clipLine(a, b, x0, y0, x1, y1)) { - if (!v_) { - activeStream.lineStart(); - activeStream.point(a[0], a[1]); - } - activeStream.point(b[0], b[1]); - if (!v) activeStream.lineEnd(); - clean = false; - } else if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - clean = false; - } - } - } - x_ = x, y_ = y, v_ = v; - } - - return clipStream; - }; - } - - function extent$1() { - var x0 = 0, - y0 = 0, - x1 = 960, - y1 = 500, - cache, - cacheStream, - clip; - - return clip = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream); - }, - extent: function(_) { - return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; - } - }; - } - - var lengthSum = adder(), - lambda0$2, - sinPhi0$1, - cosPhi0$1; - - var lengthStream = { - sphere: noop$2, - point: noop$2, - lineStart: lengthLineStart, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2 - }; - - function lengthLineStart() { - lengthStream.point = lengthPointFirst; - lengthStream.lineEnd = lengthLineEnd; - } - - function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$2; - } - - function lengthPointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); - lengthStream.point = lengthPoint; - } - - function lengthPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var sinPhi = sin$1(phi), - cosPhi = cos$1(phi), - delta = abs(lambda - lambda0$2), - cosDelta = cos$1(delta), - sinDelta = sin$1(delta), - x = cosPhi * sinDelta, - y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, - z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; - lengthSum.add(atan2(sqrt(x * x + y * y), z)); - lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; - } - - function length$1(object) { - lengthSum.reset(); - geoStream(object, lengthStream); - return +lengthSum; - } - - var coordinates = [null, null], - object$1 = {type: "LineString", coordinates: coordinates}; - - function distance(a, b) { - coordinates[0] = a; - coordinates[1] = b; - return length$1(object$1); - } - - var containsObjectType = { - Feature: function(object, point) { - return containsGeometry(object.geometry, point); - }, - FeatureCollection: function(object, point) { - var features = object.features, i = -1, n = features.length; - while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; - return false; - } - }; - - var containsGeometryType = { - Sphere: function() { - return true; - }, - Point: function(object, point) { - return containsPoint(object.coordinates, point); - }, - MultiPoint: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPoint(coordinates[i], point)) return true; - return false; - }, - LineString: function(object, point) { - return containsLine(object.coordinates, point); - }, - MultiLineString: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsLine(coordinates[i], point)) return true; - return false; - }, - Polygon: function(object, point) { - return containsPolygon(object.coordinates, point); - }, - MultiPolygon: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPolygon(coordinates[i], point)) return true; - return false; - }, - GeometryCollection: function(object, point) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) if (containsGeometry(geometries[i], point)) return true; - return false; - } - }; - - function containsGeometry(geometry, point) { - return geometry && containsGeometryType.hasOwnProperty(geometry.type) - ? containsGeometryType[geometry.type](geometry, point) - : false; - } - - function containsPoint(coordinates, point) { - return distance(coordinates, point) === 0; - } - - function containsLine(coordinates, point) { - var ao, bo, ab; - for (var i = 0, n = coordinates.length; i < n; i++) { - bo = distance(coordinates[i], point); - if (bo === 0) return true; - if (i > 0) { - ab = distance(coordinates[i], coordinates[i - 1]); - if ( - ab > 0 && - ao <= ab && - bo <= ab && - (ao + bo - ab) * (1 - Math.pow((ao - bo) / ab, 2)) < epsilon2$1 * ab - ) - return true; - } - ao = bo; - } - return false; - } - - function containsPolygon(coordinates, point) { - return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); - } - - function ringRadians(ring) { - return ring = ring.map(pointRadians), ring.pop(), ring; - } - - function pointRadians(point) { - return [point[0] * radians, point[1] * radians]; - } - - function contains$1(object, point) { - return (object && containsObjectType.hasOwnProperty(object.type) - ? containsObjectType[object.type] - : containsGeometry)(object, point); - } - - function graticuleX(y0, y1, dy) { - var y = sequence(y0, y1 - epsilon$2, dy).concat(y1); - return function(x) { return y.map(function(y) { return [x, y]; }); }; - } - - function graticuleY(x0, x1, dx) { - var x = sequence(x0, x1 - epsilon$2, dx).concat(x1); - return function(y) { return x.map(function(x) { return [x, y]; }); }; - } - - function graticule() { - var x1, x0, X1, X0, - y1, y0, Y1, Y0, - dx = 10, dy = dx, DX = 90, DY = 360, - x, y, X, Y, - precision = 2.5; - - function graticule() { - return {type: "MultiLineString", coordinates: lines()}; - } - - function lines() { - return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$2; }).map(x)) - .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$2; }).map(y)); - } - - graticule.lines = function() { - return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); - }; - - graticule.outline = function() { - return { - type: "Polygon", - coordinates: [ - X(X0).concat( - Y(Y1).slice(1), - X(X1).reverse().slice(1), - Y(Y0).reverse().slice(1)) - ] - }; - }; - - graticule.extent = function(_) { - if (!arguments.length) return graticule.extentMinor(); - return graticule.extentMajor(_).extentMinor(_); - }; - - graticule.extentMajor = function(_) { - if (!arguments.length) return [[X0, Y0], [X1, Y1]]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; - - graticule.extentMinor = function(_) { - if (!arguments.length) return [[x0, y0], [x1, y1]]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; - - graticule.step = function(_) { - if (!arguments.length) return graticule.stepMinor(); - return graticule.stepMajor(_).stepMinor(_); - }; - - graticule.stepMajor = function(_) { - if (!arguments.length) return [DX, DY]; - DX = +_[0], DY = +_[1]; - return graticule; - }; - - graticule.stepMinor = function(_) { - if (!arguments.length) return [dx, dy]; - dx = +_[0], dy = +_[1]; - return graticule; - }; - - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = graticuleX(y0, y1, 90); - y = graticuleY(x0, x1, precision); - X = graticuleX(Y0, Y1, 90); - Y = graticuleY(X0, X1, precision); - return graticule; - }; - - return graticule - .extentMajor([[-180, -90 + epsilon$2], [180, 90 - epsilon$2]]) - .extentMinor([[-180, -80 - epsilon$2], [180, 80 + epsilon$2]]); - } - - function graticule10() { - return graticule()(); - } - - function interpolate$1(a, b) { - var x0 = a[0] * radians, - y0 = a[1] * radians, - x1 = b[0] * radians, - y1 = b[1] * radians, - cy0 = cos$1(y0), - sy0 = sin$1(y0), - cy1 = cos$1(y1), - sy1 = sin$1(y1), - kx0 = cy0 * cos$1(x0), - ky0 = cy0 * sin$1(x0), - kx1 = cy1 * cos$1(x1), - ky1 = cy1 * sin$1(x1), - d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), - k = sin$1(d); - - var interpolate = d ? function(t) { - var B = sin$1(t *= d) / k, - A = sin$1(d - t) / k, - x = A * kx0 + B * kx1, - y = A * ky0 + B * ky1, - z = A * sy0 + B * sy1; - return [ - atan2(y, x) * degrees$1, - atan2(z, sqrt(x * x + y * y)) * degrees$1 - ]; - } : function() { - return [x0 * degrees$1, y0 * degrees$1]; - }; - - interpolate.distance = d; - - return interpolate; - } - - function identity$4(x) { - return x; - } - - var areaSum$1 = adder(), - areaRingSum$1 = adder(), - x00, - y00, - x0$1, - y0$1; - - var areaStream$1 = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaStream$1.lineStart = areaRingStart$1; - areaStream$1.lineEnd = areaRingEnd$1; - }, - polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; - areaSum$1.add(abs(areaRingSum$1)); - areaRingSum$1.reset(); - }, - result: function() { - var area = areaSum$1 / 2; - areaSum$1.reset(); - return area; - } - }; - - function areaRingStart$1() { - areaStream$1.point = areaPointFirst$1; - } - - function areaPointFirst$1(x, y) { - areaStream$1.point = areaPoint$1; - x00 = x0$1 = x, y00 = y0$1 = y; - } - - function areaPoint$1(x, y) { - areaRingSum$1.add(y0$1 * x - x0$1 * y); - x0$1 = x, y0$1 = y; - } - - function areaRingEnd$1() { - areaPoint$1(x00, y00); - } - - var x0$2 = Infinity, - y0$2 = x0$2, - x1 = -x0$2, - y1 = x1; - - var boundsStream$1 = { - point: boundsPoint$1, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2, - result: function() { - var bounds = [[x0$2, y0$2], [x1, y1]]; - x1 = y1 = -(y0$2 = x0$2 = Infinity); - return bounds; - } - }; - - function boundsPoint$1(x, y) { - if (x < x0$2) x0$2 = x; - if (x > x1) x1 = x; - if (y < y0$2) y0$2 = y; - if (y > y1) y1 = y; - } - - // TODO Enforce positive area for exterior, negative area for interior? - - var X0$1 = 0, - Y0$1 = 0, - Z0$1 = 0, - X1$1 = 0, - Y1$1 = 0, - Z1$1 = 0, - X2$1 = 0, - Y2$1 = 0, - Z2$1 = 0, - x00$1, - y00$1, - x0$3, - y0$3; - - var centroidStream$1 = { - point: centroidPoint$1, - lineStart: centroidLineStart$1, - lineEnd: centroidLineEnd$1, - polygonStart: function() { - centroidStream$1.lineStart = centroidRingStart$1; - centroidStream$1.lineEnd = centroidRingEnd$1; - }, - polygonEnd: function() { - centroidStream$1.point = centroidPoint$1; - centroidStream$1.lineStart = centroidLineStart$1; - centroidStream$1.lineEnd = centroidLineEnd$1; - }, - result: function() { - var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] - : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] - : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] - : [NaN, NaN]; - X0$1 = Y0$1 = Z0$1 = - X1$1 = Y1$1 = Z1$1 = - X2$1 = Y2$1 = Z2$1 = 0; - return centroid; - } - }; - - function centroidPoint$1(x, y) { - X0$1 += x; - Y0$1 += y; - ++Z0$1; - } - - function centroidLineStart$1() { - centroidStream$1.point = centroidPointFirstLine; - } - - function centroidPointFirstLine(x, y) { - centroidStream$1.point = centroidPointLine; - centroidPoint$1(x0$3 = x, y0$3 = y); - } - - function centroidPointLine(x, y) { - var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - centroidPoint$1(x0$3 = x, y0$3 = y); - } - - function centroidLineEnd$1() { - centroidStream$1.point = centroidPoint$1; - } - - function centroidRingStart$1() { - centroidStream$1.point = centroidPointFirstRing; - } - - function centroidRingEnd$1() { - centroidPointRing(x00$1, y00$1); - } - - function centroidPointFirstRing(x, y) { - centroidStream$1.point = centroidPointRing; - centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); - } - - function centroidPointRing(x, y) { - var dx = x - x0$3, - dy = y - y0$3, - z = sqrt(dx * dx + dy * dy); - - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - - z = y0$3 * x - x0$3 * y; - X2$1 += z * (x0$3 + x); - Y2$1 += z * (y0$3 + y); - Z2$1 += z * 3; - centroidPoint$1(x0$3 = x, y0$3 = y); - } - - function PathContext(context) { - this._context = context; - } - - PathContext.prototype = { - _radius: 4.5, - pointRadius: function(_) { - return this._radius = _, this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._context.closePath(); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._context.moveTo(x, y); - this._point = 1; - break; - } - case 1: { - this._context.lineTo(x, y); - break; - } - default: { - this._context.moveTo(x + this._radius, y); - this._context.arc(x, y, this._radius, 0, tau$3); - break; - } - } - }, - result: noop$2 - }; - - var lengthSum$1 = adder(), - lengthRing, - x00$2, - y00$2, - x0$4, - y0$4; - - var lengthStream$1 = { - point: noop$2, - lineStart: function() { - lengthStream$1.point = lengthPointFirst$1; - }, - lineEnd: function() { - if (lengthRing) lengthPoint$1(x00$2, y00$2); - lengthStream$1.point = noop$2; - }, - polygonStart: function() { - lengthRing = true; - }, - polygonEnd: function() { - lengthRing = null; - }, - result: function() { - var length = +lengthSum$1; - lengthSum$1.reset(); - return length; - } - }; - - function lengthPointFirst$1(x, y) { - lengthStream$1.point = lengthPoint$1; - x00$2 = x0$4 = x, y00$2 = y0$4 = y; - } - - function lengthPoint$1(x, y) { - x0$4 -= x, y0$4 -= y; - lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); - x0$4 = x, y0$4 = y; - } - - function PathString() { - this._string = []; - } - - PathString.prototype = { - _radius: 4.5, - _circle: circle$1(4.5), - pointRadius: function(_) { - if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; - return this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._string.push("Z"); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._string.push("M", x, ",", y); - this._point = 1; - break; - } - case 1: { - this._string.push("L", x, ",", y); - break; - } - default: { - if (this._circle == null) this._circle = circle$1(this._radius); - this._string.push("M", x, ",", y, this._circle); - break; - } - } - }, - result: function() { - if (this._string.length) { - var result = this._string.join(""); - this._string = []; - return result; - } else { - return null; - } - } - }; - - function circle$1(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; - } - - function index$1(projection, context) { - var pointRadius = 4.5, - projectionStream, - contextStream; - - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - geoStream(object, projectionStream(contextStream)); - } - return contextStream.result(); - } - - path.area = function(object) { - geoStream(object, projectionStream(areaStream$1)); - return areaStream$1.result(); - }; - - path.measure = function(object) { - geoStream(object, projectionStream(lengthStream$1)); - return lengthStream$1.result(); - }; - - path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream$1)); - return boundsStream$1.result(); - }; - - path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream$1)); - return centroidStream$1.result(); - }; - - path.projection = function(_) { - return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$4) : (projection = _).stream, path) : projection; - }; - - path.context = function(_) { - if (!arguments.length) return context; - contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return path; - }; - - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; - }; - - return path.projection(projection).context(context); - } - - function transform(methods) { - return { - stream: transformer(methods) - }; - } - - function transformer(methods) { - return function(stream) { - var s = new TransformStream; - for (var key in methods) s[key] = methods[key]; - s.stream = stream; - return s; - }; - } - - function TransformStream() {} - - TransformStream.prototype = { - constructor: TransformStream, - point: function(x, y) { this.stream.point(x, y); }, - sphere: function() { this.stream.sphere(); }, - lineStart: function() { this.stream.lineStart(); }, - lineEnd: function() { this.stream.lineEnd(); }, - polygonStart: function() { this.stream.polygonStart(); }, - polygonEnd: function() { this.stream.polygonEnd(); } - }; - - function fit(projection, fitBounds, object) { - var clip = projection.clipExtent && projection.clipExtent(); - projection.scale(150).translate([0, 0]); - if (clip != null) projection.clipExtent(null); - geoStream(object, projection.stream(boundsStream$1)); - fitBounds(boundsStream$1.result()); - if (clip != null) projection.clipExtent(clip); - return projection; - } - - function fitExtent(projection, extent, object) { - return fit(projection, function(b) { - var w = extent[1][0] - extent[0][0], - h = extent[1][1] - extent[0][1], - k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), - x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, - y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - projection.scale(150 * k).translate([x, y]); - }, object); - } - - function fitSize(projection, size, object) { - return fitExtent(projection, [[0, 0], size], object); - } - - function fitWidth(projection, width, object) { - return fit(projection, function(b) { - var w = +width, - k = w / (b[1][0] - b[0][0]), - x = (w - k * (b[1][0] + b[0][0])) / 2, - y = -k * b[0][1]; - projection.scale(150 * k).translate([x, y]); - }, object); - } - - function fitHeight(projection, height, object) { - return fit(projection, function(b) { - var h = +height, - k = h / (b[1][1] - b[0][1]), - x = -k * b[0][0], - y = (h - k * (b[1][1] + b[0][1])) / 2; - projection.scale(150 * k).translate([x, y]); - }, object); - } - - var maxDepth = 16, // maximum depth of subdivision - cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) - - function resample(project, delta2) { - return +delta2 ? resample$1(project, delta2) : resampleNone(project); - } - - function resampleNone(project) { - return transformer({ - point: function(x, y) { - x = project(x, y); - this.stream.point(x[0], x[1]); - } - }); - } - - function resample$1(project, delta2) { - - function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { - var dx = x1 - x0, - dy = y1 - y0, - d2 = dx * dx + dy * dy; - if (d2 > 4 * delta2 && depth--) { - var a = a0 + a1, - b = b0 + b1, - c = c0 + c1, - m = sqrt(a * a + b * b + c * c), - phi2 = asin(c /= m), - lambda2 = abs(abs(c) - 1) < epsilon$2 || abs(lambda0 - lambda1) < epsilon$2 ? (lambda0 + lambda1) / 2 : atan2(b, a), - p = project(lambda2, phi2), - x2 = p[0], - y2 = p[1], - dx2 = x2 - x0, - dy2 = y2 - y0, - dz = dy * dx2 - dx * dy2; - if (dz * dz / d2 > delta2 // perpendicular projected distance - || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end - || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); - stream.point(x2, y2); - resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); - } - } - } - return function(stream) { - var lambda00, x00, y00, a00, b00, c00, // first point - lambda0, x0, y0, a0, b0, c0; // previous point - - var resampleStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, - polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } - }; - - function point(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - } - - function lineStart() { - x0 = NaN; - resampleStream.point = linePoint; - stream.lineStart(); - } - - function linePoint(lambda, phi) { - var c = cartesian([lambda, phi]), p = project(lambda, phi); - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); - stream.point(x0, y0); - } - - function lineEnd() { - resampleStream.point = point; - stream.lineEnd(); - } - - function ringStart() { - lineStart(); - resampleStream.point = ringPoint; - resampleStream.lineEnd = ringEnd; - } - - function ringPoint(lambda, phi) { - linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; - resampleStream.point = linePoint; - } - - function ringEnd() { - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); - resampleStream.lineEnd = lineEnd; - lineEnd(); - } - - return resampleStream; - }; - } - - var transformRadians = transformer({ - point: function(x, y) { - this.stream.point(x * radians, y * radians); - } - }); - - function transformRotate(rotate) { - return transformer({ - point: function(x, y) { - var r = rotate(x, y); - return this.stream.point(r[0], r[1]); - } - }); - } - - function scaleTranslate(k, dx, dy, sx, sy) { - function transform(x, y) { - x *= sx; y *= sy; - return [dx + k * x, dy - k * y]; - } - transform.invert = function(x, y) { - return [(x - dx) / k * sx, (dy - y) / k * sy]; - }; - return transform; - } - - function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) { - var cosAlpha = cos$1(alpha), - sinAlpha = sin$1(alpha), - a = cosAlpha * k, - b = sinAlpha * k, - ai = cosAlpha / k, - bi = sinAlpha / k, - ci = (sinAlpha * dy - cosAlpha * dx) / k, - fi = (sinAlpha * dx + cosAlpha * dy) / k; - function transform(x, y) { - x *= sx; y *= sy; - return [a * x - b * y + dx, dy - b * x - a * y]; - } - transform.invert = function(x, y) { - return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)]; - }; - return transform; - } - - function projection(project) { - return projectionMutator(function() { return project; })(); - } - - function projectionMutator(projectAt) { - var project, - k = 150, // scale - x = 480, y = 250, // translate - lambda = 0, phi = 0, // center - deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate - alpha = 0, // post-rotate angle - sx = 1, // reflectX - sy = 1, // reflectX - theta = null, preclip = clipAntimeridian, // pre-clip angle - x0 = null, y0, x1, y1, postclip = identity$4, // post-clip extent - delta2 = 0.5, // precision - projectResample, - projectTransform, - projectRotateTransform, - cache, - cacheStream; - - function projection(point) { - return projectRotateTransform(point[0] * radians, point[1] * radians); - } - - function invert(point) { - point = projectRotateTransform.invert(point[0], point[1]); - return point && [point[0] * degrees$1, point[1] * degrees$1]; - } - - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); - }; - - projection.preclip = function(_) { - return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip; - }; - - projection.postclip = function(_) { - return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; - }; - - projection.clipAngle = function(_) { - return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; - }; - - projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; - - projection.scale = function(_) { - return arguments.length ? (k = +_, recenter()) : k; - }; - - projection.translate = function(_) { - return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; - }; - - projection.center = function(_) { - return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; - }; - - projection.rotate = function(_) { - return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; - }; - - projection.angle = function(_) { - return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees$1; - }; - - projection.reflectX = function(_) { - return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0; - }; - - projection.reflectY = function(_) { - return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0; - }; - - projection.precision = function(_) { - return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); - }; - - projection.fitExtent = function(extent, object) { - return fitExtent(projection, extent, object); - }; - - projection.fitSize = function(size, object) { - return fitSize(projection, size, object); - }; - - projection.fitWidth = function(width, object) { - return fitWidth(projection, width, object); - }; - - projection.fitHeight = function(height, object) { - return fitHeight(projection, height, object); - }; - - function recenter() { - var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)), - transform = (alpha ? scaleTranslateRotate : scaleTranslate)(k, x - center[0], y - center[1], sx, sy, alpha); - rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma); - projectTransform = compose(project, transform); - projectRotateTransform = compose(rotate, projectTransform); - projectResample = resample(projectTransform, delta2); - return reset(); - } - - function reset() { - cache = cacheStream = null; - return projection; - } - - return function() { - project = projectAt.apply(this, arguments); - projection.invert = project.invert && invert; - return recenter(); - }; - } - - function conicProjection(projectAt) { - var phi0 = 0, - phi1 = pi$3 / 3, - m = projectionMutator(projectAt), - p = m(phi0, phi1); - - p.parallels = function(_) { - return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; - }; - - return p; - } - - function cylindricalEqualAreaRaw(phi0) { - var cosPhi0 = cos$1(phi0); - - function forward(lambda, phi) { - return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; - } - - forward.invert = function(x, y) { - return [x / cosPhi0, asin(y * cosPhi0)]; - }; - - return forward; - } - - function conicEqualAreaRaw(y0, y1) { - var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; - - // Are the parallels symmetrical around the Equator? - if (abs(n) < epsilon$2) return cylindricalEqualAreaRaw(y0); - - var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt(c) / n; - - function project(x, y) { - var r = sqrt(c - 2 * n * sin$1(y)) / n; - return [r * sin$1(x *= n), r0 - r * cos$1(x)]; - } - - project.invert = function(x, y) { - var r0y = r0 - y, - l = atan2(x, abs(r0y)) * sign(r0y); - if (r0y * n < 0) - l -= pi$3 * sign(x) * sign(r0y); - return [l / n, asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; - }; - - return project; - } - - function conicEqualArea() { - return conicProjection(conicEqualAreaRaw) - .scale(155.424) - .center([0, 33.6442]); - } - - function albers() { - return conicEqualArea() - .parallels([29.5, 45.5]) - .scale(1070) - .translate([480, 250]) - .rotate([96, 0]) - .center([-0.6, 38.7]); - } - - // The projections must have mutually exclusive clip regions on the sphere, - // as this will avoid emitting interleaving lines and polygons. - function multiplex(streams) { - var n = streams.length; - return { - point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, - sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, - lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, - lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, - polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, - polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } - }; - } - - // A composite projection for the United States, configured by default for - // 960×500. The projection also works quite well at 960×600 if you change the - // scale to 1285 and adjust the translate accordingly. The set of standard - // parallels for each region comes from USGS, which is published here: - // http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers - function albersUsa() { - var cache, - cacheStream, - lower48 = albers(), lower48Point, - alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 - hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 - point, pointStream = {point: function(x, y) { point = [x, y]; }}; - - function albersUsa(coordinates) { - var x = coordinates[0], y = coordinates[1]; - return point = null, - (lower48Point.point(x, y), point) - || (alaskaPoint.point(x, y), point) - || (hawaiiPoint.point(x, y), point); - } - - albersUsa.invert = function(coordinates) { - var k = lower48.scale(), - t = lower48.translate(), - x = (coordinates[0] - t[0]) / k, - y = (coordinates[1] - t[1]) / k; - return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska - : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii - : lower48).invert(coordinates); - }; - - albersUsa.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); - }; - - albersUsa.precision = function(_) { - if (!arguments.length) return lower48.precision(); - lower48.precision(_), alaska.precision(_), hawaii.precision(_); - return reset(); - }; - - albersUsa.scale = function(_) { - if (!arguments.length) return lower48.scale(); - lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); - return albersUsa.translate(lower48.translate()); - }; - - albersUsa.translate = function(_) { - if (!arguments.length) return lower48.translate(); - var k = lower48.scale(), x = +_[0], y = +_[1]; - - lower48Point = lower48 - .translate(_) - .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) - .stream(pointStream); - - alaskaPoint = alaska - .translate([x - 0.307 * k, y + 0.201 * k]) - .clipExtent([[x - 0.425 * k + epsilon$2, y + 0.120 * k + epsilon$2], [x - 0.214 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) - .stream(pointStream); - - hawaiiPoint = hawaii - .translate([x - 0.205 * k, y + 0.212 * k]) - .clipExtent([[x - 0.214 * k + epsilon$2, y + 0.166 * k + epsilon$2], [x - 0.115 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) - .stream(pointStream); - - return reset(); - }; - - albersUsa.fitExtent = function(extent, object) { - return fitExtent(albersUsa, extent, object); - }; - - albersUsa.fitSize = function(size, object) { - return fitSize(albersUsa, size, object); - }; - - albersUsa.fitWidth = function(width, object) { - return fitWidth(albersUsa, width, object); - }; - - albersUsa.fitHeight = function(height, object) { - return fitHeight(albersUsa, height, object); - }; - - function reset() { - cache = cacheStream = null; - return albersUsa; - } - - return albersUsa.scale(1070); - } - - function azimuthalRaw(scale) { - return function(x, y) { - var cx = cos$1(x), - cy = cos$1(y), - k = scale(cx * cy); - return [ - k * cy * sin$1(x), - k * sin$1(y) - ]; - } - } - - function azimuthalInvert(angle) { - return function(x, y) { - var z = sqrt(x * x + y * y), - c = angle(z), - sc = sin$1(c), - cc = cos$1(c); - return [ - atan2(x * sc, z * cc), - asin(z && y * sc / z) - ]; - } - } - - var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { - return sqrt(2 / (1 + cxcy)); - }); - - azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { - return 2 * asin(z / 2); - }); - - function azimuthalEqualArea() { - return projection(azimuthalEqualAreaRaw) - .scale(124.75) - .clipAngle(180 - 1e-3); - } - - var azimuthalEquidistantRaw = azimuthalRaw(function(c) { - return (c = acos(c)) && c / sin$1(c); - }); - - azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { - return z; - }); - - function azimuthalEquidistant() { - return projection(azimuthalEquidistantRaw) - .scale(79.4188) - .clipAngle(180 - 1e-3); - } - - function mercatorRaw(lambda, phi) { - return [lambda, log(tan((halfPi$2 + phi) / 2))]; - } - - mercatorRaw.invert = function(x, y) { - return [x, 2 * atan(exp(y)) - halfPi$2]; - }; - - function mercator() { - return mercatorProjection(mercatorRaw) - .scale(961 / tau$3); - } - - function mercatorProjection(project) { - var m = projection(project), - center = m.center, - scale = m.scale, - translate = m.translate, - clipExtent = m.clipExtent, - x0 = null, y0, x1, y1; // clip extent - - m.scale = function(_) { - return arguments.length ? (scale(_), reclip()) : scale(); - }; - - m.translate = function(_) { - return arguments.length ? (translate(_), reclip()) : translate(); - }; - - m.center = function(_) { - return arguments.length ? (center(_), reclip()) : center(); - }; - - m.clipExtent = function(_) { - return arguments.length ? ((_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1])), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; - - function reclip() { - var k = pi$3 * scale(), - t = m(rotation(m.rotate()).invert([0, 0])); - return clipExtent(x0 == null - ? [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]] : project === mercatorRaw - ? [[Math.max(t[0] - k, x0), y0], [Math.min(t[0] + k, x1), y1]] - : [[x0, Math.max(t[1] - k, y0)], [x1, Math.min(t[1] + k, y1)]]); - } - - return reclip(); - } - - function tany(y) { - return tan((halfPi$2 + y) / 2); - } - - function conicConformalRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : log(cy0 / cos$1(y1)) / log(tany(y1) / tany(y0)), - f = cy0 * pow(tany(y0), n) / n; - - if (!n) return mercatorRaw; - - function project(x, y) { - if (f > 0) { if (y < -halfPi$2 + epsilon$2) y = -halfPi$2 + epsilon$2; } - else { if (y > halfPi$2 - epsilon$2) y = halfPi$2 - epsilon$2; } - var r = f / pow(tany(y), n); - return [r * sin$1(n * x), f - r * cos$1(n * x)]; - } - - project.invert = function(x, y) { - var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy), - l = atan2(x, abs(fy)) * sign(fy); - if (fy * n < 0) - l -= pi$3 * sign(x) * sign(fy); - return [l / n, 2 * atan(pow(f / r, 1 / n)) - halfPi$2]; - }; - - return project; - } - - function conicConformal() { - return conicProjection(conicConformalRaw) - .scale(109.5) - .parallels([30, 30]); - } - - function equirectangularRaw(lambda, phi) { - return [lambda, phi]; - } - - equirectangularRaw.invert = equirectangularRaw; - - function equirectangular() { - return projection(equirectangularRaw) - .scale(152.63); - } - - function conicEquidistantRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), - g = cy0 / n + y0; - - if (abs(n) < epsilon$2) return equirectangularRaw; - - function project(x, y) { - var gy = g - y, nx = n * x; - return [gy * sin$1(nx), g - gy * cos$1(nx)]; - } - - project.invert = function(x, y) { - var gy = g - y, - l = atan2(x, abs(gy)) * sign(gy); - if (gy * n < 0) - l -= pi$3 * sign(x) * sign(gy); - return [l / n, g - sign(n) * sqrt(x * x + gy * gy)]; - }; - - return project; - } - - function conicEquidistant() { - return conicProjection(conicEquidistantRaw) - .scale(131.154) - .center([0, 13.9389]); - } - - var A1 = 1.340264, - A2 = -0.081106, - A3 = 0.000893, - A4 = 0.003796, - M = sqrt(3) / 2, - iterations = 12; - - function equalEarthRaw(lambda, phi) { - var l = asin(M * sin$1(phi)), l2 = l * l, l6 = l2 * l2 * l2; - return [ - lambda * cos$1(l) / (M * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2))), - l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) - ]; - } - - equalEarthRaw.invert = function(x, y) { - var l = y, l2 = l * l, l6 = l2 * l2 * l2; - for (var i = 0, delta, fy, fpy; i < iterations; ++i) { - fy = l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) - y; - fpy = A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2); - l -= delta = fy / fpy, l2 = l * l, l6 = l2 * l2 * l2; - if (abs(delta) < epsilon2$1) break; - } - return [ - M * x * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2)) / cos$1(l), - asin(sin$1(l) / M) - ]; - }; - - function equalEarth() { - return projection(equalEarthRaw) - .scale(177.158); - } - - function gnomonicRaw(x, y) { - var cy = cos$1(y), k = cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; - } - - gnomonicRaw.invert = azimuthalInvert(atan); - - function gnomonic() { - return projection(gnomonicRaw) - .scale(144.049) - .clipAngle(60); - } - - function identity$5() { - var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, // scale, translate and reflect - alpha = 0, ca, sa, // angle - x0 = null, y0, x1, y1, // clip extent - kx = 1, ky = 1, - transform = transformer({ - point: function(x, y) { - var p = projection([x, y]); - this.stream.point(p[0], p[1]); - } - }), - postclip = identity$4, - cache, - cacheStream; - - function reset() { - kx = k * sx; - ky = k * sy; - cache = cacheStream = null; - return projection; - } - - function projection (p) { - var x = p[0] * kx, y = p[1] * ky; - if (alpha) { - var t = y * ca - x * sa; - x = x * ca + y * sa; - y = t; - } - return [x + tx, y + ty]; - } - projection.invert = function(p) { - var x = p[0] - tx, y = p[1] - ty; - if (alpha) { - var t = y * ca + x * sa; - x = x * ca - y * sa; - y = t; - } - return [x / kx, y / ky]; - }; - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transform(postclip(cacheStream = stream)); - }; - projection.postclip = function(_) { - return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; - }; - projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; - projection.scale = function(_) { - return arguments.length ? (k = +_, reset()) : k; - }; - projection.translate = function(_) { - return arguments.length ? (tx = +_[0], ty = +_[1], reset()) : [tx, ty]; - }; - projection.angle = function(_) { - return arguments.length ? (alpha = _ % 360 * radians, sa = sin$1(alpha), ca = cos$1(alpha), reset()) : alpha * degrees$1; - }; - projection.reflectX = function(_) { - return arguments.length ? (sx = _ ? -1 : 1, reset()) : sx < 0; - }; - projection.reflectY = function(_) { - return arguments.length ? (sy = _ ? -1 : 1, reset()) : sy < 0; - }; - projection.fitExtent = function(extent, object) { - return fitExtent(projection, extent, object); - }; - projection.fitSize = function(size, object) { - return fitSize(projection, size, object); - }; - projection.fitWidth = function(width, object) { - return fitWidth(projection, width, object); - }; - projection.fitHeight = function(height, object) { - return fitHeight(projection, height, object); - }; - - return projection; - } - - function naturalEarth1Raw(lambda, phi) { - var phi2 = phi * phi, phi4 = phi2 * phi2; - return [ - lambda * (0.8707 - 0.131979 * phi2 + phi4 * (-0.013791 + phi4 * (0.003971 * phi2 - 0.001529 * phi4))), - phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - ]; - } - - naturalEarth1Raw.invert = function(x, y) { - var phi = y, i = 25, delta; - do { - var phi2 = phi * phi, phi4 = phi2 * phi2; - phi -= delta = (phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - y) / - (1.007226 + phi2 * (0.015085 * 3 + phi4 * (-0.044475 * 7 + 0.028874 * 9 * phi2 - 0.005916 * 11 * phi4))); - } while (abs(delta) > epsilon$2 && --i > 0); - return [ - x / (0.8707 + (phi2 = phi * phi) * (-0.131979 + phi2 * (-0.013791 + phi2 * phi2 * phi2 * (0.003971 - 0.001529 * phi2)))), - phi - ]; - }; - - function naturalEarth1() { - return projection(naturalEarth1Raw) - .scale(175.295); - } - - function orthographicRaw(x, y) { - return [cos$1(y) * sin$1(x), sin$1(y)]; - } - - orthographicRaw.invert = azimuthalInvert(asin); - - function orthographic() { - return projection(orthographicRaw) - .scale(249.5) - .clipAngle(90 + epsilon$2); - } - - function stereographicRaw(x, y) { - var cy = cos$1(y), k = 1 + cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; - } - - stereographicRaw.invert = azimuthalInvert(function(z) { - return 2 * atan(z); - }); - - function stereographic() { - return projection(stereographicRaw) - .scale(250) - .clipAngle(142); - } - - function transverseMercatorRaw(lambda, phi) { - return [log(tan((halfPi$2 + phi) / 2)), -lambda]; - } - - transverseMercatorRaw.invert = function(x, y) { - return [-y, 2 * atan(exp(x)) - halfPi$2]; - }; - - function transverseMercator() { - var m = mercatorProjection(transverseMercatorRaw), - center = m.center, - rotate = m.rotate; - - m.center = function(_) { - return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); - }; - - m.rotate = function(_) { - return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); - }; - - return rotate([0, 0, 90]) - .scale(159.155); - } - - function defaultSeparation(a, b) { - return a.parent === b.parent ? 1 : 2; - } - - function meanX(children) { - return children.reduce(meanXReduce, 0) / children.length; - } - - function meanXReduce(x, c) { - return x + c.x; - } - - function maxY(children) { - return 1 + children.reduce(maxYReduce, 0); - } - - function maxYReduce(y, c) { - return Math.max(y, c.y); - } - - function leafLeft(node) { - var children; - while (children = node.children) node = children[0]; - return node; - } - - function leafRight(node) { - var children; - while (children = node.children) node = children[children.length - 1]; - return node; - } - - function cluster() { - var separation = defaultSeparation, - dx = 1, - dy = 1, - nodeSize = false; - - function cluster(root) { - var previousNode, - x = 0; - - // First walk, computing the initial x & y values. - root.eachAfter(function(node) { - var children = node.children; - if (children) { - node.x = meanX(children); - node.y = maxY(children); - } else { - node.x = previousNode ? x += separation(node, previousNode) : 0; - node.y = 0; - previousNode = node; - } - }); - - var left = leafLeft(root), - right = leafRight(root), - x0 = left.x - separation(left, right) / 2, - x1 = right.x + separation(right, left) / 2; - - // Second walk, normalizing x & y to the desired size. - return root.eachAfter(nodeSize ? function(node) { - node.x = (node.x - root.x) * dx; - node.y = (root.y - node.y) * dy; - } : function(node) { - node.x = (node.x - x0) / (x1 - x0) * dx; - node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; - }); - } - - cluster.separation = function(x) { - return arguments.length ? (separation = x, cluster) : separation; - }; - - cluster.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); - }; - - cluster.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); - }; - - return cluster; - } - - function count(node) { - var sum = 0, - children = node.children, - i = children && children.length; - if (!i) sum = 1; - else while (--i >= 0) sum += children[i].value; - node.value = sum; - } - - function node_count() { - return this.eachAfter(count); - } - - function node_each(callback) { - var node = this, current, next = [node], children, i, n; - do { - current = next.reverse(), next = []; - while (node = current.pop()) { - callback(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - next.push(children[i]); - } - } - } while (next.length); - return this; - } - - function node_eachBefore(callback) { - var node = this, nodes = [node], children, i; - while (node = nodes.pop()) { - callback(node), children = node.children; - if (children) for (i = children.length - 1; i >= 0; --i) { - nodes.push(children[i]); - } - } - return this; - } - - function node_eachAfter(callback) { - var node = this, nodes = [node], next = [], children, i, n; - while (node = nodes.pop()) { - next.push(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - nodes.push(children[i]); - } - } - while (node = next.pop()) { - callback(node); - } - return this; - } - - function node_sum(value) { - return this.eachAfter(function(node) { - var sum = +value(node.data) || 0, - children = node.children, - i = children && children.length; - while (--i >= 0) sum += children[i].value; - node.value = sum; - }); - } - - function node_sort(compare) { - return this.eachBefore(function(node) { - if (node.children) { - node.children.sort(compare); - } - }); - } - - function node_path(end) { - var start = this, - ancestor = leastCommonAncestor(start, end), - nodes = [start]; - while (start !== ancestor) { - start = start.parent; - nodes.push(start); - } - var k = nodes.length; - while (end !== ancestor) { - nodes.splice(k, 0, end); - end = end.parent; - } - return nodes; - } - - function leastCommonAncestor(a, b) { - if (a === b) return a; - var aNodes = a.ancestors(), - bNodes = b.ancestors(), - c = null; - a = aNodes.pop(); - b = bNodes.pop(); - while (a === b) { - c = a; - a = aNodes.pop(); - b = bNodes.pop(); - } - return c; - } - - function node_ancestors() { - var node = this, nodes = [node]; - while (node = node.parent) { - nodes.push(node); - } - return nodes; - } - - function node_descendants() { - var nodes = []; - this.each(function(node) { - nodes.push(node); - }); - return nodes; - } - - function node_leaves() { - var leaves = []; - this.eachBefore(function(node) { - if (!node.children) { - leaves.push(node); - } - }); - return leaves; - } - - function node_links() { - var root = this, links = []; - root.each(function(node) { - if (node !== root) { // Don’t include the root’s parent, if any. - links.push({source: node.parent, target: node}); - } - }); - return links; - } - - function hierarchy(data, children) { - var root = new Node(data), - valued = +data.value && (root.value = data.value), - node, - nodes = [root], - child, - childs, - i, - n; - - if (children == null) children = defaultChildren; - - while (node = nodes.pop()) { - if (valued) node.value = +node.data.value; - if ((childs = children(node.data)) && (n = childs.length)) { - node.children = new Array(n); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new Node(childs[i])); - child.parent = node; - child.depth = node.depth + 1; - } - } - } - - return root.eachBefore(computeHeight); - } - - function node_copy() { - return hierarchy(this).eachBefore(copyData); - } - - function defaultChildren(d) { - return d.children; - } - - function copyData(node) { - node.data = node.data.data; - } - - function computeHeight(node) { - var height = 0; - do node.height = height; - while ((node = node.parent) && (node.height < ++height)); - } - - function Node(data) { - this.data = data; - this.depth = - this.height = 0; - this.parent = null; - } - - Node.prototype = hierarchy.prototype = { - constructor: Node, - count: node_count, - each: node_each, - eachAfter: node_eachAfter, - eachBefore: node_eachBefore, - sum: node_sum, - sort: node_sort, - path: node_path, - ancestors: node_ancestors, - descendants: node_descendants, - leaves: node_leaves, - links: node_links, - copy: node_copy - }; - - var slice$4 = Array.prototype.slice; - - function shuffle$1(array) { - var m = array.length, - t, - i; - - while (m) { - i = Math.random() * m-- | 0; - t = array[m]; - array[m] = array[i]; - array[i] = t; - } - - return array; - } - - function enclose(circles) { - var i = 0, n = (circles = shuffle$1(slice$4.call(circles))).length, B = [], p, e; - - while (i < n) { - p = circles[i]; - if (e && enclosesWeak(e, p)) ++i; - else e = encloseBasis(B = extendBasis(B, p)), i = 0; - } - - return e; - } - - function extendBasis(B, p) { - var i, j; - - if (enclosesWeakAll(p, B)) return [p]; - - // If we get here then B must have at least one element. - for (i = 0; i < B.length; ++i) { - if (enclosesNot(p, B[i]) - && enclosesWeakAll(encloseBasis2(B[i], p), B)) { - return [B[i], p]; - } - } - - // If we get here then B must have at least two elements. - for (i = 0; i < B.length - 1; ++i) { - for (j = i + 1; j < B.length; ++j) { - if (enclosesNot(encloseBasis2(B[i], B[j]), p) - && enclosesNot(encloseBasis2(B[i], p), B[j]) - && enclosesNot(encloseBasis2(B[j], p), B[i]) - && enclosesWeakAll(encloseBasis3(B[i], B[j], p), B)) { - return [B[i], B[j], p]; - } - } - } - - // If we get here then something is very wrong. - throw new Error; - } - - function enclosesNot(a, b) { - var dr = a.r - b.r, dx = b.x - a.x, dy = b.y - a.y; - return dr < 0 || dr * dr < dx * dx + dy * dy; - } - - function enclosesWeak(a, b) { - var dr = a.r - b.r + 1e-6, dx = b.x - a.x, dy = b.y - a.y; - return dr > 0 && dr * dr > dx * dx + dy * dy; - } - - function enclosesWeakAll(a, B) { - for (var i = 0; i < B.length; ++i) { - if (!enclosesWeak(a, B[i])) { - return false; - } - } - return true; - } - - function encloseBasis(B) { - switch (B.length) { - case 1: return encloseBasis1(B[0]); - case 2: return encloseBasis2(B[0], B[1]); - case 3: return encloseBasis3(B[0], B[1], B[2]); - } - } - - function encloseBasis1(a) { - return { - x: a.x, - y: a.y, - r: a.r - }; - } - - function encloseBasis2(a, b) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, - l = Math.sqrt(x21 * x21 + y21 * y21); - return { - x: (x1 + x2 + x21 / l * r21) / 2, - y: (y1 + y2 + y21 / l * r21) / 2, - r: (l + r1 + r2) / 2 - }; - } - - function encloseBasis3(a, b, c) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x3 = c.x, y3 = c.y, r3 = c.r, - a2 = x1 - x2, - a3 = x1 - x3, - b2 = y1 - y2, - b3 = y1 - y3, - c2 = r2 - r1, - c3 = r3 - r1, - d1 = x1 * x1 + y1 * y1 - r1 * r1, - d2 = d1 - x2 * x2 - y2 * y2 + r2 * r2, - d3 = d1 - x3 * x3 - y3 * y3 + r3 * r3, - ab = a3 * b2 - a2 * b3, - xa = (b2 * d3 - b3 * d2) / (ab * 2) - x1, - xb = (b3 * c2 - b2 * c3) / ab, - ya = (a3 * d2 - a2 * d3) / (ab * 2) - y1, - yb = (a2 * c3 - a3 * c2) / ab, - A = xb * xb + yb * yb - 1, - B = 2 * (r1 + xa * xb + ya * yb), - C = xa * xa + ya * ya - r1 * r1, - r = -(A ? (B + Math.sqrt(B * B - 4 * A * C)) / (2 * A) : C / B); - return { - x: x1 + xa + xb * r, - y: y1 + ya + yb * r, - r: r - }; - } - - function place(b, a, c) { - var dx = b.x - a.x, x, a2, - dy = b.y - a.y, y, b2, - d2 = dx * dx + dy * dy; - if (d2) { - a2 = a.r + c.r, a2 *= a2; - b2 = b.r + c.r, b2 *= b2; - if (a2 > b2) { - x = (d2 + b2 - a2) / (2 * d2); - y = Math.sqrt(Math.max(0, b2 / d2 - x * x)); - c.x = b.x - x * dx - y * dy; - c.y = b.y - x * dy + y * dx; - } else { - x = (d2 + a2 - b2) / (2 * d2); - y = Math.sqrt(Math.max(0, a2 / d2 - x * x)); - c.x = a.x + x * dx - y * dy; - c.y = a.y + x * dy + y * dx; - } - } else { - c.x = a.x + c.r; - c.y = a.y; - } - } - - function intersects(a, b) { - var dr = a.r + b.r - 1e-6, dx = b.x - a.x, dy = b.y - a.y; - return dr > 0 && dr * dr > dx * dx + dy * dy; - } - - function score(node) { - var a = node._, - b = node.next._, - ab = a.r + b.r, - dx = (a.x * b.r + b.x * a.r) / ab, - dy = (a.y * b.r + b.y * a.r) / ab; - return dx * dx + dy * dy; - } - - function Node$1(circle) { - this._ = circle; - this.next = null; - this.previous = null; - } - - function packEnclose(circles) { - if (!(n = circles.length)) return 0; - - var a, b, c, n, aa, ca, i, j, k, sj, sk; - - // Place the first circle. - a = circles[0], a.x = 0, a.y = 0; - if (!(n > 1)) return a.r; - - // Place the second circle. - b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; - if (!(n > 2)) return a.r + b.r; - - // Place the third circle. - place(b, a, c = circles[2]); - - // Initialize the front-chain using the first three circles a, b and c. - a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); - a.next = c.previous = b; - b.next = a.previous = c; - c.next = b.previous = a; - - // Attempt to place each remaining circle… - pack: for (i = 3; i < n; ++i) { - place(a._, b._, c = circles[i]), c = new Node$1(c); - - // Find the closest intersecting circle on the front-chain, if any. - // “Closeness” is determined by linear distance along the front-chain. - // “Ahead” or “behind” is likewise determined by linear distance. - j = b.next, k = a.previous, sj = b._.r, sk = a._.r; - do { - if (sj <= sk) { - if (intersects(j._, c._)) { - b = j, a.next = b, b.previous = a, --i; - continue pack; - } - sj += j._.r, j = j.next; - } else { - if (intersects(k._, c._)) { - a = k, a.next = b, b.previous = a, --i; - continue pack; - } - sk += k._.r, k = k.previous; - } - } while (j !== k.next); - - // Success! Insert the new circle c between a and b. - c.previous = a, c.next = b, a.next = b.previous = b = c; - - // Compute the new closest circle pair to the centroid. - aa = score(a); - while ((c = c.next) !== b) { - if ((ca = score(c)) < aa) { - a = c, aa = ca; - } - } - b = a.next; - } - - // Compute the enclosing circle of the front chain. - a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); - - // Translate the circles to put the enclosing circle around the origin. - for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; - - return c.r; - } - - function siblings(circles) { - packEnclose(circles); - return circles; - } - - function optional(f) { - return f == null ? null : required(f); - } - - function required(f) { - if (typeof f !== "function") throw new Error; - return f; - } - - function constantZero() { - return 0; - } - - function constant$9(x) { - return function() { - return x; - }; - } - - function defaultRadius$1(d) { - return Math.sqrt(d.value); - } - - function index$2() { - var radius = null, - dx = 1, - dy = 1, - padding = constantZero; - - function pack(root) { - root.x = dx / 2, root.y = dy / 2; - if (radius) { - root.eachBefore(radiusLeaf(radius)) - .eachAfter(packChildren(padding, 0.5)) - .eachBefore(translateChild(1)); - } else { - root.eachBefore(radiusLeaf(defaultRadius$1)) - .eachAfter(packChildren(constantZero, 1)) - .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) - .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); - } - return root; - } - - pack.radius = function(x) { - return arguments.length ? (radius = optional(x), pack) : radius; - }; - - pack.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; - }; - - pack.padding = function(x) { - return arguments.length ? (padding = typeof x === "function" ? x : constant$9(+x), pack) : padding; - }; - - return pack; - } - - function radiusLeaf(radius) { - return function(node) { - if (!node.children) { - node.r = Math.max(0, +radius(node) || 0); - } - }; - } - - function packChildren(padding, k) { - return function(node) { - if (children = node.children) { - var children, - i, - n = children.length, - r = padding(node) * k || 0, - e; - - if (r) for (i = 0; i < n; ++i) children[i].r += r; - e = packEnclose(children); - if (r) for (i = 0; i < n; ++i) children[i].r -= r; - node.r = e + r; - } - }; - } - - function translateChild(k) { - return function(node) { - var parent = node.parent; - node.r *= k; - if (parent) { - node.x = parent.x + k * node.x; - node.y = parent.y + k * node.y; - } - }; - } - - function roundNode(node) { - node.x0 = Math.round(node.x0); - node.y0 = Math.round(node.y0); - node.x1 = Math.round(node.x1); - node.y1 = Math.round(node.y1); - } - - function treemapDice(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (x1 - x0) / parent.value; - - while (++i < n) { - node = nodes[i], node.y0 = y0, node.y1 = y1; - node.x0 = x0, node.x1 = x0 += node.value * k; - } - } - - function partition() { - var dx = 1, - dy = 1, - padding = 0, - round = false; - - function partition(root) { - var n = root.height + 1; - root.x0 = - root.y0 = padding; - root.x1 = dx; - root.y1 = dy / n; - root.eachBefore(positionNode(dy, n)); - if (round) root.eachBefore(roundNode); - return root; - } - - function positionNode(dy, n) { - return function(node) { - if (node.children) { - treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); - } - var x0 = node.x0, - y0 = node.y0, - x1 = node.x1 - padding, - y1 = node.y1 - padding; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - }; - } - - partition.round = function(x) { - return arguments.length ? (round = !!x, partition) : round; - }; - - partition.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; - }; - - partition.padding = function(x) { - return arguments.length ? (padding = +x, partition) : padding; - }; - - return partition; - } - - var keyPrefix$1 = "$", // Protect against keys like “__proto__”. - preroot = {depth: -1}, - ambiguous = {}; - - function defaultId(d) { - return d.id; - } - - function defaultParentId(d) { - return d.parentId; - } - - function stratify() { - var id = defaultId, - parentId = defaultParentId; - - function stratify(data) { - var d, - i, - n = data.length, - root, - parent, - node, - nodes = new Array(n), - nodeId, - nodeKey, - nodeByKey = {}; - - for (i = 0; i < n; ++i) { - d = data[i], node = nodes[i] = new Node(d); - if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { - nodeKey = keyPrefix$1 + (node.id = nodeId); - nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; - } - } - - for (i = 0; i < n; ++i) { - node = nodes[i], nodeId = parentId(data[i], i, data); - if (nodeId == null || !(nodeId += "")) { - if (root) throw new Error("multiple roots"); - root = node; - } else { - parent = nodeByKey[keyPrefix$1 + nodeId]; - if (!parent) throw new Error("missing: " + nodeId); - if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); - if (parent.children) parent.children.push(node); - else parent.children = [node]; - node.parent = parent; - } - } - - if (!root) throw new Error("no root"); - root.parent = preroot; - root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); - root.parent = null; - if (n > 0) throw new Error("cycle"); - - return root; - } - - stratify.id = function(x) { - return arguments.length ? (id = required(x), stratify) : id; - }; - - stratify.parentId = function(x) { - return arguments.length ? (parentId = required(x), stratify) : parentId; - }; - - return stratify; - } - - function defaultSeparation$1(a, b) { - return a.parent === b.parent ? 1 : 2; - } - - // function radialSeparation(a, b) { - // return (a.parent === b.parent ? 1 : 2) / a.depth; - // } - - // This function is used to traverse the left contour of a subtree (or - // subforest). It returns the successor of v on this contour. This successor is - // either given by the leftmost child of v or by the thread of v. The function - // returns null if and only if v is on the highest level of its subtree. - function nextLeft(v) { - var children = v.children; - return children ? children[0] : v.t; - } - - // This function works analogously to nextLeft. - function nextRight(v) { - var children = v.children; - return children ? children[children.length - 1] : v.t; - } - - // Shifts the current subtree rooted at w+. This is done by increasing - // prelim(w+) and mod(w+) by shift. - function moveSubtree(wm, wp, shift) { - var change = shift / (wp.i - wm.i); - wp.c -= change; - wp.s += shift; - wm.c += change; - wp.z += shift; - wp.m += shift; - } - - // All other shifts, applied to the smaller subtrees between w- and w+, are - // performed by this function. To prepare the shifts, we have to adjust - // change(w+), shift(w+), and change(w-). - function executeShifts(v) { - var shift = 0, - change = 0, - children = v.children, - i = children.length, - w; - while (--i >= 0) { - w = children[i]; - w.z += shift; - w.m += shift; - shift += w.s + (change += w.c); - } - } - - // If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, - // returns the specified (default) ancestor. - function nextAncestor(vim, v, ancestor) { - return vim.a.parent === v.parent ? vim.a : ancestor; - } - - function TreeNode(node, i) { - this._ = node; - this.parent = null; - this.children = null; - this.A = null; // default ancestor - this.a = this; // ancestor - this.z = 0; // prelim - this.m = 0; // mod - this.c = 0; // change - this.s = 0; // shift - this.t = null; // thread - this.i = i; // number - } - - TreeNode.prototype = Object.create(Node.prototype); - - function treeRoot(root) { - var tree = new TreeNode(root, 0), - node, - nodes = [tree], - child, - children, - i, - n; - - while (node = nodes.pop()) { - if (children = node._.children) { - node.children = new Array(n = children.length); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new TreeNode(children[i], i)); - child.parent = node; - } - } - } - - (tree.parent = new TreeNode(null, 0)).children = [tree]; - return tree; - } - - // Node-link tree diagram using the Reingold-Tilford "tidy" algorithm - function tree() { - var separation = defaultSeparation$1, - dx = 1, - dy = 1, - nodeSize = null; - - function tree(root) { - var t = treeRoot(root); - - // Compute the layout using Buchheim et al.’s algorithm. - t.eachAfter(firstWalk), t.parent.m = -t.z; - t.eachBefore(secondWalk); - - // If a fixed node size is specified, scale x and y. - if (nodeSize) root.eachBefore(sizeNode); - - // If a fixed tree size is specified, scale x and y based on the extent. - // Compute the left-most, right-most, and depth-most nodes for extents. - else { - var left = root, - right = root, - bottom = root; - root.eachBefore(function(node) { - if (node.x < left.x) left = node; - if (node.x > right.x) right = node; - if (node.depth > bottom.depth) bottom = node; - }); - var s = left === right ? 1 : separation(left, right) / 2, - tx = s - left.x, - kx = dx / (right.x + s + tx), - ky = dy / (bottom.depth || 1); - root.eachBefore(function(node) { - node.x = (node.x + tx) * kx; - node.y = node.depth * ky; - }); - } - - return root; - } - - // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is - // applied recursively to the children of v, as well as the function - // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the - // node v is placed to the midpoint of its outermost children. - function firstWalk(v) { - var children = v.children, - siblings = v.parent.children, - w = v.i ? siblings[v.i - 1] : null; - if (children) { - executeShifts(v); - var midpoint = (children[0].z + children[children.length - 1].z) / 2; - if (w) { - v.z = w.z + separation(v._, w._); - v.m = v.z - midpoint; - } else { - v.z = midpoint; - } - } else if (w) { - v.z = w.z + separation(v._, w._); - } - v.parent.A = apportion(v, w, v.parent.A || siblings[0]); - } - - // Computes all real x-coordinates by summing up the modifiers recursively. - function secondWalk(v) { - v._.x = v.z + v.parent.m; - v.m += v.parent.m; - } - - // The core of the algorithm. Here, a new subtree is combined with the - // previous subtrees. Threads are used to traverse the inside and outside - // contours of the left and right subtree up to the highest common level. The - // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the - // superscript o means outside and i means inside, the subscript - means left - // subtree and + means right subtree. For summing up the modifiers along the - // contour, we use respective variables si+, si-, so-, and so+. Whenever two - // nodes of the inside contours conflict, we compute the left one of the - // greatest uncommon ancestors using the function ANCESTOR and call MOVE - // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. - // Finally, we add a new thread (if necessary). - function apportion(v, w, ancestor) { - if (w) { - var vip = v, - vop = v, - vim = w, - vom = vip.parent.children[0], - sip = vip.m, - sop = vop.m, - sim = vim.m, - som = vom.m, - shift; - while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { - vom = nextLeft(vom); - vop = nextRight(vop); - vop.a = v; - shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); - if (shift > 0) { - moveSubtree(nextAncestor(vim, v, ancestor), v, shift); - sip += shift; - sop += shift; - } - sim += vim.m; - sip += vip.m; - som += vom.m; - sop += vop.m; - } - if (vim && !nextRight(vop)) { - vop.t = vim; - vop.m += sim - sop; - } - if (vip && !nextLeft(vom)) { - vom.t = vip; - vom.m += sip - som; - ancestor = v; - } - } - return ancestor; - } - - function sizeNode(node) { - node.x *= dx; - node.y = node.depth * dy; - } - - tree.separation = function(x) { - return arguments.length ? (separation = x, tree) : separation; - }; - - tree.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); - }; - - tree.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); - }; - - return tree; - } - - function treemapSlice(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (y1 - y0) / parent.value; - - while (++i < n) { - node = nodes[i], node.x0 = x0, node.x1 = x1; - node.y0 = y0, node.y1 = y0 += node.value * k; - } - } - - var phi = (1 + Math.sqrt(5)) / 2; - - function squarifyRatio(ratio, parent, x0, y0, x1, y1) { - var rows = [], - nodes = parent.children, - row, - nodeValue, - i0 = 0, - i1 = 0, - n = nodes.length, - dx, dy, - value = parent.value, - sumValue, - minValue, - maxValue, - newRatio, - minRatio, - alpha, - beta; - - while (i0 < n) { - dx = x1 - x0, dy = y1 - y0; - - // Find the next non-empty node. - do sumValue = nodes[i1++].value; while (!sumValue && i1 < n); - minValue = maxValue = sumValue; - alpha = Math.max(dy / dx, dx / dy) / (value * ratio); - beta = sumValue * sumValue * alpha; - minRatio = Math.max(maxValue / beta, beta / minValue); - - // Keep adding nodes while the aspect ratio maintains or improves. - for (; i1 < n; ++i1) { - sumValue += nodeValue = nodes[i1].value; - if (nodeValue < minValue) minValue = nodeValue; - if (nodeValue > maxValue) maxValue = nodeValue; - beta = sumValue * sumValue * alpha; - newRatio = Math.max(maxValue / beta, beta / minValue); - if (newRatio > minRatio) { sumValue -= nodeValue; break; } - minRatio = newRatio; - } - - // Position and record the row orientation. - rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); - if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); - else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); - value -= sumValue, i0 = i1; - } - - return rows; - } - - var squarify = (function custom(ratio) { - - function squarify(parent, x0, y0, x1, y1) { - squarifyRatio(ratio, parent, x0, y0, x1, y1); - } - - squarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return squarify; - })(phi); - - function index$3() { - var tile = squarify, - round = false, - dx = 1, - dy = 1, - paddingStack = [0], - paddingInner = constantZero, - paddingTop = constantZero, - paddingRight = constantZero, - paddingBottom = constantZero, - paddingLeft = constantZero; - - function treemap(root) { - root.x0 = - root.y0 = 0; - root.x1 = dx; - root.y1 = dy; - root.eachBefore(positionNode); - paddingStack = [0]; - if (round) root.eachBefore(roundNode); - return root; - } - - function positionNode(node) { - var p = paddingStack[node.depth], - x0 = node.x0 + p, - y0 = node.y0 + p, - x1 = node.x1 - p, - y1 = node.y1 - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - if (node.children) { - p = paddingStack[node.depth + 1] = paddingInner(node) / 2; - x0 += paddingLeft(node) - p; - y0 += paddingTop(node) - p; - x1 -= paddingRight(node) - p; - y1 -= paddingBottom(node) - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - tile(node, x0, y0, x1, y1); - } - } - - treemap.round = function(x) { - return arguments.length ? (round = !!x, treemap) : round; - }; - - treemap.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; - }; - - treemap.tile = function(x) { - return arguments.length ? (tile = required(x), treemap) : tile; - }; - - treemap.padding = function(x) { - return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); - }; - - treemap.paddingInner = function(x) { - return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$9(+x), treemap) : paddingInner; - }; - - treemap.paddingOuter = function(x) { - return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); - }; - - treemap.paddingTop = function(x) { - return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$9(+x), treemap) : paddingTop; - }; - - treemap.paddingRight = function(x) { - return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$9(+x), treemap) : paddingRight; - }; - - treemap.paddingBottom = function(x) { - return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$9(+x), treemap) : paddingBottom; - }; - - treemap.paddingLeft = function(x) { - return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$9(+x), treemap) : paddingLeft; - }; - - return treemap; - } - - function binary(parent, x0, y0, x1, y1) { - var nodes = parent.children, - i, n = nodes.length, - sum, sums = new Array(n + 1); - - for (sums[0] = sum = i = 0; i < n; ++i) { - sums[i + 1] = sum += nodes[i].value; - } - - partition(0, n, parent.value, x0, y0, x1, y1); - - function partition(i, j, value, x0, y0, x1, y1) { - if (i >= j - 1) { - var node = nodes[i]; - node.x0 = x0, node.y0 = y0; - node.x1 = x1, node.y1 = y1; - return; - } - - var valueOffset = sums[i], - valueTarget = (value / 2) + valueOffset, - k = i + 1, - hi = j - 1; - - while (k < hi) { - var mid = k + hi >>> 1; - if (sums[mid] < valueTarget) k = mid + 1; - else hi = mid; - } - - if ((valueTarget - sums[k - 1]) < (sums[k] - valueTarget) && i + 1 < k) --k; - - var valueLeft = sums[k] - valueOffset, - valueRight = value - valueLeft; - - if ((x1 - x0) > (y1 - y0)) { - var xk = (x0 * valueRight + x1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, xk, y1); - partition(k, j, valueRight, xk, y0, x1, y1); - } else { - var yk = (y0 * valueRight + y1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, x1, yk); - partition(k, j, valueRight, x0, yk, x1, y1); - } - } - } - - function sliceDice(parent, x0, y0, x1, y1) { - (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); - } - - var resquarify = (function custom(ratio) { - - function resquarify(parent, x0, y0, x1, y1) { - if ((rows = parent._squarify) && (rows.ratio === ratio)) { - var rows, - row, - nodes, - i, - j = -1, - n, - m = rows.length, - value = parent.value; - - while (++j < m) { - row = rows[j], nodes = row.children; - for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; - if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); - else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); - value -= row.value; - } - } else { - parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); - rows.ratio = ratio; - } - } - - resquarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return resquarify; - })(phi); - - function area$2(polygon) { - var i = -1, - n = polygon.length, - a, - b = polygon[n - 1], - area = 0; - - while (++i < n) { - a = b; - b = polygon[i]; - area += a[1] * b[0] - a[0] * b[1]; - } - - return area / 2; - } - - function centroid$1(polygon) { - var i = -1, - n = polygon.length, - x = 0, - y = 0, - a, - b = polygon[n - 1], - c, - k = 0; - - while (++i < n) { - a = b; - b = polygon[i]; - k += c = a[0] * b[1] - b[0] * a[1]; - x += (a[0] + b[0]) * c; - y += (a[1] + b[1]) * c; - } - - return k *= 3, [x / k, y / k]; - } - - // Returns the 2D cross product of AB and AC vectors, i.e., the z-component of - // the 3D cross product in a quadrant I Cartesian coordinate system (+x is - // right, +y is up). Returns a positive value if ABC is counter-clockwise, - // negative if clockwise, and zero if the points are collinear. - function cross$1(a, b, c) { - return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); - } - - function lexicographicOrder(a, b) { - return a[0] - b[0] || a[1] - b[1]; - } - - // Computes the upper convex hull per the monotone chain algorithm. - // Assumes points.length >= 3, is sorted by x, unique in y. - // Returns an array of indices into points in left-to-right order. - function computeUpperHullIndexes(points) { - var n = points.length, - indexes = [0, 1], - size = 2; - - for (var i = 2; i < n; ++i) { - while (size > 1 && cross$1(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; - indexes[size++] = i; - } - - return indexes.slice(0, size); // remove popped points - } - - function hull(points) { - if ((n = points.length) < 3) return null; - - var i, - n, - sortedPoints = new Array(n), - flippedPoints = new Array(n); - - for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; - sortedPoints.sort(lexicographicOrder); - for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; - - var upperIndexes = computeUpperHullIndexes(sortedPoints), - lowerIndexes = computeUpperHullIndexes(flippedPoints); - - // Construct the hull polygon, removing possible duplicate endpoints. - var skipLeft = lowerIndexes[0] === upperIndexes[0], - skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], - hull = []; - - // Add upper hull in right-to-l order. - // Then add lower hull in left-to-right order. - for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); - for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); - - return hull; - } - - function contains$2(polygon, point) { - var n = polygon.length, - p = polygon[n - 1], - x = point[0], y = point[1], - x0 = p[0], y0 = p[1], - x1, y1, - inside = false; - - for (var i = 0; i < n; ++i) { - p = polygon[i], x1 = p[0], y1 = p[1]; - if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; - x0 = x1, y0 = y1; - } - - return inside; - } - - function length$2(polygon) { - var i = -1, - n = polygon.length, - b = polygon[n - 1], - xa, - ya, - xb = b[0], - yb = b[1], - perimeter = 0; - - while (++i < n) { - xa = xb; - ya = yb; - b = polygon[i]; - xb = b[0]; - yb = b[1]; - xa -= xb; - ya -= yb; - perimeter += Math.sqrt(xa * xa + ya * ya); - } - - return perimeter; - } - - function defaultSource$1() { - return Math.random(); - } - - var uniform = (function sourceRandomUniform(source) { - function randomUniform(min, max) { - min = min == null ? 0 : +min; - max = max == null ? 1 : +max; - if (arguments.length === 1) max = min, min = 0; - else max -= min; - return function() { - return source() * max + min; - }; - } - - randomUniform.source = sourceRandomUniform; - - return randomUniform; - })(defaultSource$1); - - var normal = (function sourceRandomNormal(source) { - function randomNormal(mu, sigma) { - var x, r; - mu = mu == null ? 0 : +mu; - sigma = sigma == null ? 1 : +sigma; - return function() { - var y; - - // If available, use the second previously-generated uniform random. - if (x != null) y = x, x = null; - - // Otherwise, generate a new x and y. - else do { - x = source() * 2 - 1; - y = source() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); - - return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); - }; - } - - randomNormal.source = sourceRandomNormal; - - return randomNormal; - })(defaultSource$1); - - var logNormal = (function sourceRandomLogNormal(source) { - function randomLogNormal() { - var randomNormal = normal.source(source).apply(this, arguments); - return function() { - return Math.exp(randomNormal()); - }; - } - - randomLogNormal.source = sourceRandomLogNormal; - - return randomLogNormal; - })(defaultSource$1); - - var irwinHall = (function sourceRandomIrwinHall(source) { - function randomIrwinHall(n) { - return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += source(); - return sum; - }; - } - - randomIrwinHall.source = sourceRandomIrwinHall; - - return randomIrwinHall; - })(defaultSource$1); - - var bates = (function sourceRandomBates(source) { - function randomBates(n) { - var randomIrwinHall = irwinHall.source(source)(n); - return function() { - return randomIrwinHall() / n; - }; - } - - randomBates.source = sourceRandomBates; - - return randomBates; - })(defaultSource$1); - - var exponential$1 = (function sourceRandomExponential(source) { - function randomExponential(lambda) { - return function() { - return -Math.log(1 - source()) / lambda; - }; - } - - randomExponential.source = sourceRandomExponential; - - return randomExponential; - })(defaultSource$1); - - function initRange(domain, range) { - switch (arguments.length) { - case 0: break; - case 1: this.range(domain); break; - default: this.range(range).domain(domain); break; - } - return this; - } - - function initInterpolator(domain, interpolator) { - switch (arguments.length) { - case 0: break; - case 1: this.interpolator(domain); break; - default: this.interpolator(interpolator).domain(domain); break; - } - return this; - } - - var array$3 = Array.prototype; - - var map$3 = array$3.map; - var slice$5 = array$3.slice; - - var implicit = {name: "implicit"}; - - function ordinal() { - var index = map$1(), - domain = [], - range = [], - unknown = implicit; - - function scale(d) { - var key = d + "", i = index.get(key); - if (!i) { - if (unknown !== implicit) return unknown; - index.set(key, i = domain.push(d)); - } - return range[(i - 1) % range.length]; - } - - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = [], index = map$1(); - var i = -1, n = _.length, d, key; - while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); - return scale; - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), scale) : range.slice(); - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - scale.copy = function() { - return ordinal(domain, range).unknown(unknown); - }; - - initRange.apply(scale, arguments); - - return scale; - } - - function band() { - var scale = ordinal().unknown(undefined), - domain = scale.domain, - ordinalRange = scale.range, - range = [0, 1], - step, - bandwidth, - round = false, - paddingInner = 0, - paddingOuter = 0, - align = 0.5; - - delete scale.unknown; - - function rescale() { - var n = domain().length, - reverse = range[1] < range[0], - start = range[reverse - 0], - stop = range[1 - reverse]; - step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); - if (round) step = Math.floor(step); - start += (stop - start - step * (n - paddingInner)) * align; - bandwidth = step * (1 - paddingInner); - if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); - var values = sequence(n).map(function(i) { return start + step * i; }); - return ordinalRange(reverse ? values.reverse() : values); - } - - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; - - scale.range = function(_) { - return arguments.length ? (range = [+_[0], +_[1]], rescale()) : range.slice(); - }; - - scale.rangeRound = function(_) { - return range = [+_[0], +_[1]], round = true, rescale(); - }; - - scale.bandwidth = function() { - return bandwidth; - }; - - scale.step = function() { - return step; - }; - - scale.round = function(_) { - return arguments.length ? (round = !!_, rescale()) : round; - }; - - scale.padding = function(_) { - return arguments.length ? (paddingInner = Math.min(1, paddingOuter = +_), rescale()) : paddingInner; - }; - - scale.paddingInner = function(_) { - return arguments.length ? (paddingInner = Math.min(1, _), rescale()) : paddingInner; - }; - - scale.paddingOuter = function(_) { - return arguments.length ? (paddingOuter = +_, rescale()) : paddingOuter; - }; - - scale.align = function(_) { - return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; - }; - - scale.copy = function() { - return band(domain(), range) - .round(round) - .paddingInner(paddingInner) - .paddingOuter(paddingOuter) - .align(align); - }; - - return initRange.apply(rescale(), arguments); - } - - function pointish(scale) { - var copy = scale.copy; - - scale.padding = scale.paddingOuter; - delete scale.paddingInner; - delete scale.paddingOuter; - - scale.copy = function() { - return pointish(copy()); - }; - - return scale; - } - - function point$1() { - return pointish(band.apply(null, arguments).paddingInner(1)); - } - - function constant$a(x) { - return function() { - return x; - }; - } - - function number$2(x) { - return +x; - } - - var unit = [0, 1]; - - function identity$6(x) { - return x; - } - - function normalize(a, b) { - return (b -= (a = +a)) - ? function(x) { return (x - a) / b; } - : constant$a(isNaN(b) ? NaN : 0.5); - } - - function clamper(domain) { - var a = domain[0], b = domain[domain.length - 1], t; - if (a > b) t = a, a = b, b = t; - return function(x) { return Math.max(a, Math.min(b, x)); }; - } - - // normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. - // interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b]. - function bimap(domain, range, interpolate) { - var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate(r1, r0); - else d0 = normalize(d0, d1), r0 = interpolate(r0, r1); - return function(x) { return r0(d0(x)); }; - } - - function polymap(domain, range, interpolate) { - var j = Math.min(domain.length, range.length) - 1, - d = new Array(j), - r = new Array(j), - i = -1; - - // Reverse descending domains. - if (domain[j] < domain[0]) { - domain = domain.slice().reverse(); - range = range.slice().reverse(); - } - - while (++i < j) { - d[i] = normalize(domain[i], domain[i + 1]); - r[i] = interpolate(range[i], range[i + 1]); - } - - return function(x) { - var i = bisectRight(domain, x, 1, j) - 1; - return r[i](d[i](x)); - }; - } - - function copy(source, target) { - return target - .domain(source.domain()) - .range(source.range()) - .interpolate(source.interpolate()) - .clamp(source.clamp()) - .unknown(source.unknown()); - } - - function transformer$1() { - var domain = unit, - range = unit, - interpolate = interpolateValue, - transform, - untransform, - unknown, - clamp = identity$6, - piecewise, - output, - input; - - function rescale() { - piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; - output = input = null; - return scale; - } - - function scale(x) { - return isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x))); - } - - scale.invert = function(y) { - return clamp(untransform((input || (input = piecewise(range, domain.map(transform), interpolateNumber)))(y))); - }; - - scale.domain = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), clamp === identity$6 || (clamp = clamper(domain)), rescale()) : domain.slice(); - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); - }; - - scale.rangeRound = function(_) { - return range = slice$5.call(_), interpolate = interpolateRound, rescale(); - }; - - scale.clamp = function(_) { - return arguments.length ? (clamp = _ ? clamper(domain) : identity$6, scale) : clamp !== identity$6; - }; - - scale.interpolate = function(_) { - return arguments.length ? (interpolate = _, rescale()) : interpolate; - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - return function(t, u) { - transform = t, untransform = u; - return rescale(); - }; - } - - function continuous(transform, untransform) { - return transformer$1()(transform, untransform); - } - - function tickFormat(start, stop, count, specifier) { - var step = tickStep(start, stop, count), - precision; - specifier = formatSpecifier(specifier == null ? ",f" : specifier); - switch (specifier.type) { - case "s": { - var value = Math.max(Math.abs(start), Math.abs(stop)); - if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; - return formatPrefix(specifier, value); - } - case "": - case "e": - case "g": - case "p": - case "r": { - if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); - break; - } - case "f": - case "%": { - if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; - break; - } - } - return format(specifier); - } - - function linearish(scale) { - var domain = scale.domain; - - scale.ticks = function(count) { - var d = domain(); - return ticks(d[0], d[d.length - 1], count == null ? 10 : count); - }; - - scale.tickFormat = function(count, specifier) { - var d = domain(); - return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier); - }; - - scale.nice = function(count) { - if (count == null) count = 10; - - var d = domain(), - i0 = 0, - i1 = d.length - 1, - start = d[i0], - stop = d[i1], - step; - - if (stop < start) { - step = start, start = stop, stop = step; - step = i0, i0 = i1, i1 = step; - } - - step = tickIncrement(start, stop, count); - - if (step > 0) { - start = Math.floor(start / step) * step; - stop = Math.ceil(stop / step) * step; - step = tickIncrement(start, stop, count); - } else if (step < 0) { - start = Math.ceil(start * step) / step; - stop = Math.floor(stop * step) / step; - step = tickIncrement(start, stop, count); - } - - if (step > 0) { - d[i0] = Math.floor(start / step) * step; - d[i1] = Math.ceil(stop / step) * step; - domain(d); - } else if (step < 0) { - d[i0] = Math.ceil(start * step) / step; - d[i1] = Math.floor(stop * step) / step; - domain(d); - } - - return scale; - }; - - return scale; - } - - function linear$2() { - var scale = continuous(identity$6, identity$6); - - scale.copy = function() { - return copy(scale, linear$2()); - }; - - initRange.apply(scale, arguments); - - return linearish(scale); - } - - function identity$7(domain) { - var unknown; - - function scale(x) { - return isNaN(x = +x) ? unknown : x; - } - - scale.invert = scale; - - scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), scale) : domain.slice(); - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - scale.copy = function() { - return identity$7(domain).unknown(unknown); - }; - - domain = arguments.length ? map$3.call(domain, number$2) : [0, 1]; - - return linearish(scale); - } - - function nice(domain, interval) { - domain = domain.slice(); - - var i0 = 0, - i1 = domain.length - 1, - x0 = domain[i0], - x1 = domain[i1], - t; - - if (x1 < x0) { - t = i0, i0 = i1, i1 = t; - t = x0, x0 = x1, x1 = t; - } - - domain[i0] = interval.floor(x0); - domain[i1] = interval.ceil(x1); - return domain; - } - - function transformLog(x) { - return Math.log(x); - } - - function transformExp(x) { - return Math.exp(x); - } - - function transformLogn(x) { - return -Math.log(-x); - } - - function transformExpn(x) { - return -Math.exp(-x); - } - - function pow10(x) { - return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; - } - - function powp(base) { - return base === 10 ? pow10 - : base === Math.E ? Math.exp - : function(x) { return Math.pow(base, x); }; - } - - function logp(base) { - return base === Math.E ? Math.log - : base === 10 && Math.log10 - || base === 2 && Math.log2 - || (base = Math.log(base), function(x) { return Math.log(x) / base; }); - } - - function reflect(f) { - return function(x) { - return -f(-x); - }; - } - - function loggish(transform) { - var scale = transform(transformLog, transformExp), - domain = scale.domain, - base = 10, - logs, - pows; - - function rescale() { - logs = logp(base), pows = powp(base); - if (domain()[0] < 0) { - logs = reflect(logs), pows = reflect(pows); - transform(transformLogn, transformExpn); - } else { - transform(transformLog, transformExp); - } - return scale; - } - - scale.base = function(_) { - return arguments.length ? (base = +_, rescale()) : base; - }; - - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; - - scale.ticks = function(count) { - var d = domain(), - u = d[0], - v = d[d.length - 1], - r; - - if (r = v < u) i = u, u = v, v = i; - - var i = logs(u), - j = logs(v), - p, - k, - t, - n = count == null ? 10 : +count, - z = []; - - if (!(base % 1) && j - i < n) { - i = Math.round(i) - 1, j = Math.round(j) + 1; - if (u > 0) for (; i < j; ++i) { - for (k = 1, p = pows(i); k < base; ++k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } else for (; i < j; ++i) { - for (k = base - 1, p = pows(i); k >= 1; --k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } - } else { - z = ticks(i, j, Math.min(j - i, n)).map(pows); - } - - return r ? z.reverse() : z; - }; - - scale.tickFormat = function(count, specifier) { - if (specifier == null) specifier = base === 10 ? ".0e" : ","; - if (typeof specifier !== "function") specifier = format(specifier); - if (count === Infinity) return specifier; - if (count == null) count = 10; - var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? - return function(d) { - var i = d / pows(Math.round(logs(d))); - if (i * base < base - 0.5) i *= base; - return i <= k ? specifier(d) : ""; - }; - }; - - scale.nice = function() { - return domain(nice(domain(), { - floor: function(x) { return pows(Math.floor(logs(x))); }, - ceil: function(x) { return pows(Math.ceil(logs(x))); } - })); - }; - - return scale; - } - - function log$1() { - var scale = loggish(transformer$1()).domain([1, 10]); - - scale.copy = function() { - return copy(scale, log$1()).base(scale.base()); - }; - - initRange.apply(scale, arguments); - - return scale; - } - - function transformSymlog(c) { - return function(x) { - return Math.sign(x) * Math.log1p(Math.abs(x / c)); - }; - } - - function transformSymexp(c) { - return function(x) { - return Math.sign(x) * Math.expm1(Math.abs(x)) * c; - }; - } - - function symlogish(transform) { - var c = 1, scale = transform(transformSymlog(c), transformSymexp(c)); - - scale.constant = function(_) { - return arguments.length ? transform(transformSymlog(c = +_), transformSymexp(c)) : c; - }; - - return linearish(scale); - } - - function symlog() { - var scale = symlogish(transformer$1()); - - scale.copy = function() { - return copy(scale, symlog()).constant(scale.constant()); - }; - - return initRange.apply(scale, arguments); - } - - function transformPow(exponent) { - return function(x) { - return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); - }; - } - - function transformSqrt(x) { - return x < 0 ? -Math.sqrt(-x) : Math.sqrt(x); - } - - function transformSquare(x) { - return x < 0 ? -x * x : x * x; - } - - function powish(transform) { - var scale = transform(identity$6, identity$6), - exponent = 1; - - function rescale() { - return exponent === 1 ? transform(identity$6, identity$6) - : exponent === 0.5 ? transform(transformSqrt, transformSquare) - : transform(transformPow(exponent), transformPow(1 / exponent)); - } - - scale.exponent = function(_) { - return arguments.length ? (exponent = +_, rescale()) : exponent; - }; - - return linearish(scale); - } - - function pow$1() { - var scale = powish(transformer$1()); - - scale.copy = function() { - return copy(scale, pow$1()).exponent(scale.exponent()); - }; - - initRange.apply(scale, arguments); - - return scale; - } - - function sqrt$1() { - return pow$1.apply(null, arguments).exponent(0.5); - } - - function quantile() { - var domain = [], - range = [], - thresholds = [], - unknown; - - function rescale() { - var i = 0, n = Math.max(1, range.length); - thresholds = new Array(n - 1); - while (++i < n) thresholds[i - 1] = threshold(domain, i / n); - return scale; - } - - function scale(x) { - return isNaN(x = +x) ? unknown : range[bisectRight(thresholds, x)]; - } - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] : [ - i > 0 ? thresholds[i - 1] : domain[0], - i < thresholds.length ? thresholds[i] : domain[domain.length - 1] - ]; - }; - - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(ascending); - return rescale(); - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - scale.quantiles = function() { - return thresholds.slice(); - }; - - scale.copy = function() { - return quantile() - .domain(domain) - .range(range) - .unknown(unknown); - }; - - return initRange.apply(scale, arguments); - } - - function quantize$1() { - var x0 = 0, - x1 = 1, - n = 1, - domain = [0.5], - range = [0, 1], - unknown; - - function scale(x) { - return x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; - } - - function rescale() { - var i = -1; - domain = new Array(n); - while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); - return scale; - } - - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; - }; - - scale.range = function(_) { - return arguments.length ? (n = (range = slice$5.call(_)).length - 1, rescale()) : range.slice(); - }; - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] - : i < 1 ? [x0, domain[0]] - : i >= n ? [domain[n - 1], x1] - : [domain[i - 1], domain[i]]; - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : scale; - }; - - scale.thresholds = function() { - return domain.slice(); - }; - - scale.copy = function() { - return quantize$1() - .domain([x0, x1]) - .range(range) - .unknown(unknown); - }; - - return initRange.apply(linearish(scale), arguments); - } - - function threshold$1() { - var domain = [0.5], - range = [0, 1], - unknown, - n = 1; - - function scale(x) { - return x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; - } - - scale.domain = function(_) { - return arguments.length ? (domain = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); - }; - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return [domain[i - 1], domain[i]]; - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - scale.copy = function() { - return threshold$1() - .domain(domain) - .range(range) - .unknown(unknown); - }; - - return initRange.apply(scale, arguments); - } - - var t0$1 = new Date, - t1$1 = new Date; - - function newInterval(floori, offseti, count, field) { - - function interval(date) { - return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date; - } - - interval.floor = function(date) { - return floori(date = new Date(+date)), date; - }; - - interval.ceil = function(date) { - return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; - }; - - interval.round = function(date) { - var d0 = interval(date), - d1 = interval.ceil(date); - return date - d0 < d1 - date ? d0 : d1; - }; - - interval.offset = function(date, step) { - return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; - }; - - interval.range = function(start, stop, step) { - var range = [], previous; - start = interval.ceil(start); - step = step == null ? 1 : Math.floor(step); - if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date - do range.push(previous = new Date(+start)), offseti(start, step), floori(start); - while (previous < start && start < stop); - return range; - }; - - interval.filter = function(test) { - return newInterval(function(date) { - if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); - }, function(date, step) { - if (date >= date) { - if (step < 0) while (++step <= 0) { - while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty - } else while (--step >= 0) { - while (offseti(date, +1), !test(date)) {} // eslint-disable-line no-empty - } - } - }); - }; - - if (count) { - interval.count = function(start, end) { - t0$1.setTime(+start), t1$1.setTime(+end); - floori(t0$1), floori(t1$1); - return Math.floor(count(t0$1, t1$1)); - }; - - interval.every = function(step) { - step = Math.floor(step); - return !isFinite(step) || !(step > 0) ? null - : !(step > 1) ? interval - : interval.filter(field - ? function(d) { return field(d) % step === 0; } - : function(d) { return interval.count(0, d) % step === 0; }); - }; - } - - return interval; - } - - var millisecond = newInterval(function() { - // noop - }, function(date, step) { - date.setTime(+date + step); - }, function(start, end) { - return end - start; - }); - - // An optimized implementation for this simple case. - millisecond.every = function(k) { - k = Math.floor(k); - if (!isFinite(k) || !(k > 0)) return null; - if (!(k > 1)) return millisecond; - return newInterval(function(date) { - date.setTime(Math.floor(date / k) * k); - }, function(date, step) { - date.setTime(+date + step * k); - }, function(start, end) { - return (end - start) / k; - }); - }; - var milliseconds = millisecond.range; - - var durationSecond = 1e3; - var durationMinute = 6e4; - var durationHour = 36e5; - var durationDay = 864e5; - var durationWeek = 6048e5; - - var second = newInterval(function(date) { - date.setTime(date - date.getMilliseconds()); - }, function(date, step) { - date.setTime(+date + step * durationSecond); - }, function(start, end) { - return (end - start) / durationSecond; - }, function(date) { - return date.getUTCSeconds(); - }); - var seconds = second.range; - - var minute = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); - }, function(date, step) { - date.setTime(+date + step * durationMinute); - }, function(start, end) { - return (end - start) / durationMinute; - }, function(date) { - return date.getMinutes(); - }); - var minutes = minute.range; - - var hour = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute); - }, function(date, step) { - date.setTime(+date + step * durationHour); - }, function(start, end) { - return (end - start) / durationHour; - }, function(date) { - return date.getHours(); - }); - var hours = hour.range; - - var day = newInterval(function(date) { - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; - }, function(date) { - return date.getDate() - 1; - }); - var days = day.range; - - function weekday(i) { - return newInterval(function(date) { - date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step * 7); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; - }); - } - - var sunday = weekday(0); - var monday = weekday(1); - var tuesday = weekday(2); - var wednesday = weekday(3); - var thursday = weekday(4); - var friday = weekday(5); - var saturday = weekday(6); - - var sundays = sunday.range; - var mondays = monday.range; - var tuesdays = tuesday.range; - var wednesdays = wednesday.range; - var thursdays = thursday.range; - var fridays = friday.range; - var saturdays = saturday.range; - - var month = newInterval(function(date) { - date.setDate(1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setMonth(date.getMonth() + step); - }, function(start, end) { - return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; - }, function(date) { - return date.getMonth(); - }); - var months = month.range; - - var year = newInterval(function(date) { - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step); - }, function(start, end) { - return end.getFullYear() - start.getFullYear(); - }, function(date) { - return date.getFullYear(); - }); - - // An optimized implementation for this simple case. - year.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setFullYear(Math.floor(date.getFullYear() / k) * k); - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step * k); - }); - }; - var years = year.range; - - var utcMinute = newInterval(function(date) { - date.setUTCSeconds(0, 0); - }, function(date, step) { - date.setTime(+date + step * durationMinute); - }, function(start, end) { - return (end - start) / durationMinute; - }, function(date) { - return date.getUTCMinutes(); - }); - var utcMinutes = utcMinute.range; - - var utcHour = newInterval(function(date) { - date.setUTCMinutes(0, 0, 0); - }, function(date, step) { - date.setTime(+date + step * durationHour); - }, function(start, end) { - return (end - start) / durationHour; - }, function(date) { - return date.getUTCHours(); - }); - var utcHours = utcHour.range; - - var utcDay = newInterval(function(date) { - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step); - }, function(start, end) { - return (end - start) / durationDay; - }, function(date) { - return date.getUTCDate() - 1; - }); - var utcDays = utcDay.range; - - function utcWeekday(i) { - return newInterval(function(date) { - date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step * 7); - }, function(start, end) { - return (end - start) / durationWeek; - }); - } - - var utcSunday = utcWeekday(0); - var utcMonday = utcWeekday(1); - var utcTuesday = utcWeekday(2); - var utcWednesday = utcWeekday(3); - var utcThursday = utcWeekday(4); - var utcFriday = utcWeekday(5); - var utcSaturday = utcWeekday(6); - - var utcSundays = utcSunday.range; - var utcMondays = utcMonday.range; - var utcTuesdays = utcTuesday.range; - var utcWednesdays = utcWednesday.range; - var utcThursdays = utcThursday.range; - var utcFridays = utcFriday.range; - var utcSaturdays = utcSaturday.range; - - var utcMonth = newInterval(function(date) { - date.setUTCDate(1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCMonth(date.getUTCMonth() + step); - }, function(start, end) { - return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; - }, function(date) { - return date.getUTCMonth(); - }); - var utcMonths = utcMonth.range; - - var utcYear = newInterval(function(date) { - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step); - }, function(start, end) { - return end.getUTCFullYear() - start.getUTCFullYear(); - }, function(date) { - return date.getUTCFullYear(); - }); - - // An optimized implementation for this simple case. - utcYear.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step * k); - }); - }; - var utcYears = utcYear.range; - - function localDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); - date.setFullYear(d.y); - return date; - } - return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); - } - - function utcDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); - date.setUTCFullYear(d.y); - return date; - } - return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); - } - - function newDate(y, m, d) { - return {y: y, m: m, d: d, H: 0, M: 0, S: 0, L: 0}; - } - - function formatLocale$1(locale) { - var locale_dateTime = locale.dateTime, - locale_date = locale.date, - locale_time = locale.time, - locale_periods = locale.periods, - locale_weekdays = locale.days, - locale_shortWeekdays = locale.shortDays, - locale_months = locale.months, - locale_shortMonths = locale.shortMonths; - - var periodRe = formatRe(locale_periods), - periodLookup = formatLookup(locale_periods), - weekdayRe = formatRe(locale_weekdays), - weekdayLookup = formatLookup(locale_weekdays), - shortWeekdayRe = formatRe(locale_shortWeekdays), - shortWeekdayLookup = formatLookup(locale_shortWeekdays), - monthRe = formatRe(locale_months), - monthLookup = formatLookup(locale_months), - shortMonthRe = formatRe(locale_shortMonths), - shortMonthLookup = formatLookup(locale_shortMonths); - - var formats = { - "a": formatShortWeekday, - "A": formatWeekday, - "b": formatShortMonth, - "B": formatMonth, - "c": null, - "d": formatDayOfMonth, - "e": formatDayOfMonth, - "f": formatMicroseconds, - "H": formatHour24, - "I": formatHour12, - "j": formatDayOfYear, - "L": formatMilliseconds, - "m": formatMonthNumber, - "M": formatMinutes, - "p": formatPeriod, - "q": formatQuarter, - "Q": formatUnixTimestamp, - "s": formatUnixTimestampSeconds, - "S": formatSeconds, - "u": formatWeekdayNumberMonday, - "U": formatWeekNumberSunday, - "V": formatWeekNumberISO, - "w": formatWeekdayNumberSunday, - "W": formatWeekNumberMonday, - "x": null, - "X": null, - "y": formatYear$1, - "Y": formatFullYear, - "Z": formatZone, - "%": formatLiteralPercent - }; - - var utcFormats = { - "a": formatUTCShortWeekday, - "A": formatUTCWeekday, - "b": formatUTCShortMonth, - "B": formatUTCMonth, - "c": null, - "d": formatUTCDayOfMonth, - "e": formatUTCDayOfMonth, - "f": formatUTCMicroseconds, - "H": formatUTCHour24, - "I": formatUTCHour12, - "j": formatUTCDayOfYear, - "L": formatUTCMilliseconds, - "m": formatUTCMonthNumber, - "M": formatUTCMinutes, - "p": formatUTCPeriod, - "q": formatUTCQuarter, - "Q": formatUnixTimestamp, - "s": formatUnixTimestampSeconds, - "S": formatUTCSeconds, - "u": formatUTCWeekdayNumberMonday, - "U": formatUTCWeekNumberSunday, - "V": formatUTCWeekNumberISO, - "w": formatUTCWeekdayNumberSunday, - "W": formatUTCWeekNumberMonday, - "x": null, - "X": null, - "y": formatUTCYear, - "Y": formatUTCFullYear, - "Z": formatUTCZone, - "%": formatLiteralPercent - }; - - var parses = { - "a": parseShortWeekday, - "A": parseWeekday, - "b": parseShortMonth, - "B": parseMonth, - "c": parseLocaleDateTime, - "d": parseDayOfMonth, - "e": parseDayOfMonth, - "f": parseMicroseconds, - "H": parseHour24, - "I": parseHour24, - "j": parseDayOfYear, - "L": parseMilliseconds, - "m": parseMonthNumber, - "M": parseMinutes, - "p": parsePeriod, - "q": parseQuarter, - "Q": parseUnixTimestamp, - "s": parseUnixTimestampSeconds, - "S": parseSeconds, - "u": parseWeekdayNumberMonday, - "U": parseWeekNumberSunday, - "V": parseWeekNumberISO, - "w": parseWeekdayNumberSunday, - "W": parseWeekNumberMonday, - "x": parseLocaleDate, - "X": parseLocaleTime, - "y": parseYear, - "Y": parseFullYear, - "Z": parseZone, - "%": parseLiteralPercent - }; - - // These recursive directive definitions must be deferred. - formats.x = newFormat(locale_date, formats); - formats.X = newFormat(locale_time, formats); - formats.c = newFormat(locale_dateTime, formats); - utcFormats.x = newFormat(locale_date, utcFormats); - utcFormats.X = newFormat(locale_time, utcFormats); - utcFormats.c = newFormat(locale_dateTime, utcFormats); - - function newFormat(specifier, formats) { - return function(date) { - var string = [], - i = -1, - j = 0, - n = specifier.length, - c, - pad, - format; - - if (!(date instanceof Date)) date = new Date(+date); - - while (++i < n) { - if (specifier.charCodeAt(i) === 37) { - string.push(specifier.slice(j, i)); - if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); - else pad = c === "e" ? " " : "0"; - if (format = formats[c]) c = format(date, pad); - string.push(c); - j = i + 1; - } - } - - string.push(specifier.slice(j, i)); - return string.join(""); - }; - } - - function newParse(specifier, Z) { - return function(string) { - var d = newDate(1900, undefined, 1), - i = parseSpecifier(d, specifier, string += "", 0), - week, day$1; - if (i != string.length) return null; - - // If a UNIX timestamp is specified, return it. - if ("Q" in d) return new Date(d.Q); - if ("s" in d) return new Date(d.s * 1000 + ("L" in d ? d.L : 0)); - - // If this is utcParse, never use the local timezone. - if (Z && !("Z" in d)) d.Z = 0; - - // The am-pm flag is 0 for AM, and 1 for PM. - if ("p" in d) d.H = d.H % 12 + d.p * 12; - - // If the month was not specified, inherit from the quarter. - if (d.m === undefined) d.m = "q" in d ? d.q : 0; - - // Convert day-of-week and week-of-year to day-of-year. - if ("V" in d) { - if (d.V < 1 || d.V > 53) return null; - if (!("w" in d)) d.w = 1; - if ("Z" in d) { - week = utcDate(newDate(d.y, 0, 1)), day$1 = week.getUTCDay(); - week = day$1 > 4 || day$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); - week = utcDay.offset(week, (d.V - 1) * 7); - d.y = week.getUTCFullYear(); - d.m = week.getUTCMonth(); - d.d = week.getUTCDate() + (d.w + 6) % 7; - } else { - week = localDate(newDate(d.y, 0, 1)), day$1 = week.getDay(); - week = day$1 > 4 || day$1 === 0 ? monday.ceil(week) : monday(week); - week = day.offset(week, (d.V - 1) * 7); - d.y = week.getFullYear(); - d.m = week.getMonth(); - d.d = week.getDate() + (d.w + 6) % 7; - } - } else if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; - day$1 = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); - d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$1 + 5) % 7 : d.w + d.U * 7 - (day$1 + 6) % 7; - } - - // If a time zone is specified, all fields are interpreted as UTC and then - // offset according to the specified time zone. - if ("Z" in d) { - d.H += d.Z / 100 | 0; - d.M += d.Z % 100; - return utcDate(d); - } - - // Otherwise, all fields are in local time. - return localDate(d); - }; - } - - function parseSpecifier(d, specifier, string, j) { - var i = 0, - n = specifier.length, - m = string.length, - c, - parse; - - while (i < n) { - if (j >= m) return -1; - c = specifier.charCodeAt(i++); - if (c === 37) { - c = specifier.charAt(i++); - parse = parses[c in pads ? specifier.charAt(i++) : c]; - if (!parse || ((j = parse(d, string, j)) < 0)) return -1; - } else if (c != string.charCodeAt(j++)) { - return -1; - } - } - - return j; - } - - function parsePeriod(d, string, i) { - var n = periodRe.exec(string.slice(i)); - return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } - - function parseShortWeekday(d, string, i) { - var n = shortWeekdayRe.exec(string.slice(i)); - return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } - - function parseWeekday(d, string, i) { - var n = weekdayRe.exec(string.slice(i)); - return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } - - function parseShortMonth(d, string, i) { - var n = shortMonthRe.exec(string.slice(i)); - return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } - - function parseMonth(d, string, i) { - var n = monthRe.exec(string.slice(i)); - return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } - - function parseLocaleDateTime(d, string, i) { - return parseSpecifier(d, locale_dateTime, string, i); - } - - function parseLocaleDate(d, string, i) { - return parseSpecifier(d, locale_date, string, i); - } - - function parseLocaleTime(d, string, i) { - return parseSpecifier(d, locale_time, string, i); - } - - function formatShortWeekday(d) { - return locale_shortWeekdays[d.getDay()]; - } - - function formatWeekday(d) { - return locale_weekdays[d.getDay()]; - } - - function formatShortMonth(d) { - return locale_shortMonths[d.getMonth()]; - } - - function formatMonth(d) { - return locale_months[d.getMonth()]; - } - - function formatPeriod(d) { - return locale_periods[+(d.getHours() >= 12)]; - } - - function formatQuarter(d) { - return 1 + ~~(d.getMonth() / 3); - } - - function formatUTCShortWeekday(d) { - return locale_shortWeekdays[d.getUTCDay()]; - } - - function formatUTCWeekday(d) { - return locale_weekdays[d.getUTCDay()]; - } - - function formatUTCShortMonth(d) { - return locale_shortMonths[d.getUTCMonth()]; - } - - function formatUTCMonth(d) { - return locale_months[d.getUTCMonth()]; - } - - function formatUTCPeriod(d) { - return locale_periods[+(d.getUTCHours() >= 12)]; - } - - function formatUTCQuarter(d) { - return 1 + ~~(d.getUTCMonth() / 3); - } - - return { - format: function(specifier) { - var f = newFormat(specifier += "", formats); - f.toString = function() { return specifier; }; - return f; - }, - parse: function(specifier) { - var p = newParse(specifier += "", false); - p.toString = function() { return specifier; }; - return p; - }, - utcFormat: function(specifier) { - var f = newFormat(specifier += "", utcFormats); - f.toString = function() { return specifier; }; - return f; - }, - utcParse: function(specifier) { - var p = newParse(specifier += "", true); - p.toString = function() { return specifier; }; - return p; - } - }; - } - - var pads = {"-": "", "_": " ", "0": "0"}, - numberRe = /^\s*\d+/, // note: ignores next directive - percentRe = /^%/, - requoteRe = /[\\^$*+?|[\]().{}]/g; - - function pad$1(value, fill, width) { - var sign = value < 0 ? "-" : "", - string = (sign ? -value : value) + "", - length = string.length; - return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); - } - - function requote(s) { - return s.replace(requoteRe, "\\$&"); - } - - function formatRe(names) { - return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); - } - - function formatLookup(names) { - var map = {}, i = -1, n = names.length; - while (++i < n) map[names[i].toLowerCase()] = i; - return map; - } - - function parseWeekdayNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.w = +n[0], i + n[0].length) : -1; - } - - function parseWeekdayNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.u = +n[0], i + n[0].length) : -1; - } - - function parseWeekNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.U = +n[0], i + n[0].length) : -1; - } - - function parseWeekNumberISO(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.V = +n[0], i + n[0].length) : -1; - } - - function parseWeekNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.W = +n[0], i + n[0].length) : -1; - } - - function parseFullYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 4)); - return n ? (d.y = +n[0], i + n[0].length) : -1; - } - - function parseYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; - } - - function parseZone(d, string, i) { - var n = /^(Z)|([+-]\d\d)(?::?(\d\d))?/.exec(string.slice(i, i + 6)); - return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; - } - - function parseQuarter(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.q = n[0] * 3 - 3, i + n[0].length) : -1; - } - - function parseMonthNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.m = n[0] - 1, i + n[0].length) : -1; - } - - function parseDayOfMonth(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.d = +n[0], i + n[0].length) : -1; - } - - function parseDayOfYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; - } - - function parseHour24(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.H = +n[0], i + n[0].length) : -1; - } - - function parseMinutes(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.M = +n[0], i + n[0].length) : -1; - } - - function parseSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.S = +n[0], i + n[0].length) : -1; - } - - function parseMilliseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.L = +n[0], i + n[0].length) : -1; - } - - function parseMicroseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 6)); - return n ? (d.L = Math.floor(n[0] / 1000), i + n[0].length) : -1; - } - - function parseLiteralPercent(d, string, i) { - var n = percentRe.exec(string.slice(i, i + 1)); - return n ? i + n[0].length : -1; - } - - function parseUnixTimestamp(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.Q = +n[0], i + n[0].length) : -1; - } - - function parseUnixTimestampSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.s = +n[0], i + n[0].length) : -1; - } - - function formatDayOfMonth(d, p) { - return pad$1(d.getDate(), p, 2); - } - - function formatHour24(d, p) { - return pad$1(d.getHours(), p, 2); - } - - function formatHour12(d, p) { - return pad$1(d.getHours() % 12 || 12, p, 2); - } - - function formatDayOfYear(d, p) { - return pad$1(1 + day.count(year(d), d), p, 3); - } - - function formatMilliseconds(d, p) { - return pad$1(d.getMilliseconds(), p, 3); - } - - function formatMicroseconds(d, p) { - return formatMilliseconds(d, p) + "000"; - } - - function formatMonthNumber(d, p) { - return pad$1(d.getMonth() + 1, p, 2); - } - - function formatMinutes(d, p) { - return pad$1(d.getMinutes(), p, 2); - } - - function formatSeconds(d, p) { - return pad$1(d.getSeconds(), p, 2); - } - - function formatWeekdayNumberMonday(d) { - var day = d.getDay(); - return day === 0 ? 7 : day; - } - - function formatWeekNumberSunday(d, p) { - return pad$1(sunday.count(year(d) - 1, d), p, 2); - } - - function formatWeekNumberISO(d, p) { - var day = d.getDay(); - d = (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); - return pad$1(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); - } - - function formatWeekdayNumberSunday(d) { - return d.getDay(); - } - - function formatWeekNumberMonday(d, p) { - return pad$1(monday.count(year(d) - 1, d), p, 2); - } - - function formatYear$1(d, p) { - return pad$1(d.getFullYear() % 100, p, 2); - } - - function formatFullYear(d, p) { - return pad$1(d.getFullYear() % 10000, p, 4); - } - - function formatZone(d) { - var z = d.getTimezoneOffset(); - return (z > 0 ? "-" : (z *= -1, "+")) - + pad$1(z / 60 | 0, "0", 2) - + pad$1(z % 60, "0", 2); - } - - function formatUTCDayOfMonth(d, p) { - return pad$1(d.getUTCDate(), p, 2); - } - - function formatUTCHour24(d, p) { - return pad$1(d.getUTCHours(), p, 2); - } - - function formatUTCHour12(d, p) { - return pad$1(d.getUTCHours() % 12 || 12, p, 2); - } - - function formatUTCDayOfYear(d, p) { - return pad$1(1 + utcDay.count(utcYear(d), d), p, 3); - } - - function formatUTCMilliseconds(d, p) { - return pad$1(d.getUTCMilliseconds(), p, 3); - } - - function formatUTCMicroseconds(d, p) { - return formatUTCMilliseconds(d, p) + "000"; - } - - function formatUTCMonthNumber(d, p) { - return pad$1(d.getUTCMonth() + 1, p, 2); - } - - function formatUTCMinutes(d, p) { - return pad$1(d.getUTCMinutes(), p, 2); - } - - function formatUTCSeconds(d, p) { - return pad$1(d.getUTCSeconds(), p, 2); - } - - function formatUTCWeekdayNumberMonday(d) { - var dow = d.getUTCDay(); - return dow === 0 ? 7 : dow; - } - - function formatUTCWeekNumberSunday(d, p) { - return pad$1(utcSunday.count(utcYear(d) - 1, d), p, 2); - } - - function formatUTCWeekNumberISO(d, p) { - var day = d.getUTCDay(); - d = (day >= 4 || day === 0) ? utcThursday(d) : utcThursday.ceil(d); - return pad$1(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); - } - - function formatUTCWeekdayNumberSunday(d) { - return d.getUTCDay(); - } - - function formatUTCWeekNumberMonday(d, p) { - return pad$1(utcMonday.count(utcYear(d) - 1, d), p, 2); - } - - function formatUTCYear(d, p) { - return pad$1(d.getUTCFullYear() % 100, p, 2); - } - - function formatUTCFullYear(d, p) { - return pad$1(d.getUTCFullYear() % 10000, p, 4); - } - - function formatUTCZone() { - return "+0000"; - } - - function formatLiteralPercent() { - return "%"; - } - - function formatUnixTimestamp(d) { - return +d; - } - - function formatUnixTimestampSeconds(d) { - return Math.floor(+d / 1000); - } - - var locale$1; - var timeFormat; - var timeParse; - var utcFormat; - var utcParse; - - defaultLocale$1({ - dateTime: "%x, %X", - date: "%-m/%-d/%Y", - time: "%-I:%M:%S %p", - periods: ["AM", "PM"], - days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], - shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], - months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], - shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] - }); - - function defaultLocale$1(definition) { - locale$1 = formatLocale$1(definition); - timeFormat = locale$1.format; - timeParse = locale$1.parse; - utcFormat = locale$1.utcFormat; - utcParse = locale$1.utcParse; - return locale$1; - } - - var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; - - function formatIsoNative(date) { - return date.toISOString(); - } - - var formatIso = Date.prototype.toISOString - ? formatIsoNative - : utcFormat(isoSpecifier); - - function parseIsoNative(string) { - var date = new Date(string); - return isNaN(date) ? null : date; - } - - var parseIso = +new Date("2000-01-01T00:00:00.000Z") - ? parseIsoNative - : utcParse(isoSpecifier); - - var durationSecond$1 = 1000, - durationMinute$1 = durationSecond$1 * 60, - durationHour$1 = durationMinute$1 * 60, - durationDay$1 = durationHour$1 * 24, - durationWeek$1 = durationDay$1 * 7, - durationMonth = durationDay$1 * 30, - durationYear = durationDay$1 * 365; - - function date$1(t) { - return new Date(t); - } - - function number$3(t) { - return t instanceof Date ? +t : +new Date(+t); - } - - function calendar(year, month, week, day, hour, minute, second, millisecond, format) { - var scale = continuous(identity$6, identity$6), - invert = scale.invert, - domain = scale.domain; - - var formatMillisecond = format(".%L"), - formatSecond = format(":%S"), - formatMinute = format("%I:%M"), - formatHour = format("%I %p"), - formatDay = format("%a %d"), - formatWeek = format("%b %d"), - formatMonth = format("%B"), - formatYear = format("%Y"); - - var tickIntervals = [ - [second, 1, durationSecond$1], - [second, 5, 5 * durationSecond$1], - [second, 15, 15 * durationSecond$1], - [second, 30, 30 * durationSecond$1], - [minute, 1, durationMinute$1], - [minute, 5, 5 * durationMinute$1], - [minute, 15, 15 * durationMinute$1], - [minute, 30, 30 * durationMinute$1], - [ hour, 1, durationHour$1 ], - [ hour, 3, 3 * durationHour$1 ], - [ hour, 6, 6 * durationHour$1 ], - [ hour, 12, 12 * durationHour$1 ], - [ day, 1, durationDay$1 ], - [ day, 2, 2 * durationDay$1 ], - [ week, 1, durationWeek$1 ], - [ month, 1, durationMonth ], - [ month, 3, 3 * durationMonth ], - [ year, 1, durationYear ] - ]; - - function tickFormat(date) { - return (second(date) < date ? formatMillisecond - : minute(date) < date ? formatSecond - : hour(date) < date ? formatMinute - : day(date) < date ? formatHour - : month(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year(date) < date ? formatMonth - : formatYear)(date); - } - - function tickInterval(interval, start, stop, step) { - if (interval == null) interval = 10; - - // If a desired tick count is specified, pick a reasonable tick interval - // based on the extent of the domain and a rough estimate of tick size. - // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, - i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); - if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year; - } else if (i) { - i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; - step = i[1]; - interval = i[0]; - } else { - step = Math.max(tickStep(start, stop, interval), 1); - interval = millisecond; - } - } - - return step == null ? interval : interval.every(step); - } - - scale.invert = function(y) { - return new Date(invert(y)); - }; - - scale.domain = function(_) { - return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); - }; - - scale.ticks = function(interval, step) { - var d = domain(), - t0 = d[0], - t1 = d[d.length - 1], - r = t1 < t0, - t; - if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1, step); - t = t ? t.range(t0, t1 + 1) : []; // inclusive stop - return r ? t.reverse() : t; - }; - - scale.tickFormat = function(count, specifier) { - return specifier == null ? tickFormat : format(specifier); - }; - - scale.nice = function(interval, step) { - var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval)) - : scale; - }; - - scale.copy = function() { - return copy(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); - }; - - return scale; - } - - function time() { - return initRange.apply(calendar(year, month, sunday, day, hour, minute, second, millisecond, timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); - } - - function utcTime() { - return initRange.apply(calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); - } - - function transformer$2() { - var x0 = 0, - x1 = 1, - t0, - t1, - k10, - transform, - interpolator = identity$6, - clamp = false, - unknown; - - function scale(x) { - return isNaN(x = +x) ? unknown : interpolator(k10 === 0 ? 0.5 : (x = (transform(x) - t0) * k10, clamp ? Math.max(0, Math.min(1, x)) : x)); - } - - scale.domain = function(_) { - return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), k10 = t0 === t1 ? 0 : 1 / (t1 - t0), scale) : [x0, x1]; - }; - - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; - - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - return function(t) { - transform = t, t0 = t(x0), t1 = t(x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0); - return scale; - }; - } - - function copy$1(source, target) { - return target - .domain(source.domain()) - .interpolator(source.interpolator()) - .clamp(source.clamp()) - .unknown(source.unknown()); - } - - function sequential() { - var scale = linearish(transformer$2()(identity$6)); - - scale.copy = function() { - return copy$1(scale, sequential()); - }; - - return initInterpolator.apply(scale, arguments); - } - - function sequentialLog() { - var scale = loggish(transformer$2()).domain([1, 10]); - - scale.copy = function() { - return copy$1(scale, sequentialLog()).base(scale.base()); - }; - - return initInterpolator.apply(scale, arguments); - } - - function sequentialSymlog() { - var scale = symlogish(transformer$2()); - - scale.copy = function() { - return copy$1(scale, sequentialSymlog()).constant(scale.constant()); - }; - - return initInterpolator.apply(scale, arguments); - } - - function sequentialPow() { - var scale = powish(transformer$2()); - - scale.copy = function() { - return copy$1(scale, sequentialPow()).exponent(scale.exponent()); - }; - - return initInterpolator.apply(scale, arguments); - } - - function sequentialSqrt() { - return sequentialPow.apply(null, arguments).exponent(0.5); - } - - function sequentialQuantile() { - var domain = [], - interpolator = identity$6; - - function scale(x) { - if (!isNaN(x = +x)) return interpolator((bisectRight(domain, x) - 1) / (domain.length - 1)); - } - - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(ascending); - return scale; - }; - - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; - - scale.copy = function() { - return sequentialQuantile(interpolator).domain(domain); - }; - - return initInterpolator.apply(scale, arguments); - } - - function transformer$3() { - var x0 = 0, - x1 = 0.5, - x2 = 1, - t0, - t1, - t2, - k10, - k21, - interpolator = identity$6, - transform, - clamp = false, - unknown; - - function scale(x) { - return isNaN(x = +x) ? unknown : (x = 0.5 + ((x = +transform(x)) - t1) * (x < t1 ? k10 : k21), interpolator(clamp ? Math.max(0, Math.min(1, x)) : x)); - } - - scale.domain = function(_) { - return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), t2 = transform(x2 = +_[2]), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), scale) : [x0, x1, x2]; - }; - - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; - - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - return function(t) { - transform = t, t0 = t(x0), t1 = t(x1), t2 = t(x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1); - return scale; - }; - } - - function diverging() { - var scale = linearish(transformer$3()(identity$6)); - - scale.copy = function() { - return copy$1(scale, diverging()); - }; - - return initInterpolator.apply(scale, arguments); - } - - function divergingLog() { - var scale = loggish(transformer$3()).domain([0.1, 1, 10]); - - scale.copy = function() { - return copy$1(scale, divergingLog()).base(scale.base()); - }; - - return initInterpolator.apply(scale, arguments); - } - - function divergingSymlog() { - var scale = symlogish(transformer$3()); - - scale.copy = function() { - return copy$1(scale, divergingSymlog()).constant(scale.constant()); - }; - - return initInterpolator.apply(scale, arguments); - } - - function divergingPow() { - var scale = powish(transformer$3()); - - scale.copy = function() { - return copy$1(scale, divergingPow()).exponent(scale.exponent()); - }; - - return initInterpolator.apply(scale, arguments); - } - - function divergingSqrt() { - return divergingPow.apply(null, arguments).exponent(0.5); - } - - function colors(specifier) { - var n = specifier.length / 6 | 0, colors = new Array(n), i = 0; - while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6); - return colors; - } - - var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); - - var Accent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"); - - var Dark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"); - - var Paired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"); - - var Pastel1 = colors("fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2"); - - var Pastel2 = colors("b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc"); - - var Set1 = colors("e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999"); - - var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); - - var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); - - var Tableau10 = colors("4e79a7f28e2ce1575976b7b259a14fedc949af7aa1ff9da79c755fbab0ab"); - - function ramp(scheme) { - return rgbBasis(scheme[scheme.length - 1]); - } - - var scheme = new Array(3).concat( - "d8b365f5f5f55ab4ac", - "a6611adfc27d80cdc1018571", - "a6611adfc27df5f5f580cdc1018571", - "8c510ad8b365f6e8c3c7eae55ab4ac01665e", - "8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e", - "8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e", - "8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e", - "5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30", - "5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30" - ).map(colors); - - var BrBG = ramp(scheme); - - var scheme$1 = new Array(3).concat( - "af8dc3f7f7f77fbf7b", - "7b3294c2a5cfa6dba0008837", - "7b3294c2a5cff7f7f7a6dba0008837", - "762a83af8dc3e7d4e8d9f0d37fbf7b1b7837", - "762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837", - "762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837", - "762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837", - "40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b", - "40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b" - ).map(colors); - - var PRGn = ramp(scheme$1); - - var scheme$2 = new Array(3).concat( - "e9a3c9f7f7f7a1d76a", - "d01c8bf1b6dab8e1864dac26", - "d01c8bf1b6daf7f7f7b8e1864dac26", - "c51b7de9a3c9fde0efe6f5d0a1d76a4d9221", - "c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221", - "c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221", - "c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221", - "8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419", - "8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419" - ).map(colors); - - var PiYG = ramp(scheme$2); - - var scheme$3 = new Array(3).concat( - "998ec3f7f7f7f1a340", - "5e3c99b2abd2fdb863e66101", - "5e3c99b2abd2f7f7f7fdb863e66101", - "542788998ec3d8daebfee0b6f1a340b35806", - "542788998ec3d8daebf7f7f7fee0b6f1a340b35806", - "5427888073acb2abd2d8daebfee0b6fdb863e08214b35806", - "5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b35806", - "2d004b5427888073acb2abd2d8daebfee0b6fdb863e08214b358067f3b08", - "2d004b5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b358067f3b08" - ).map(colors); - - var PuOr = ramp(scheme$3); - - var scheme$4 = new Array(3).concat( - "ef8a62f7f7f767a9cf", - "ca0020f4a58292c5de0571b0", - "ca0020f4a582f7f7f792c5de0571b0", - "b2182bef8a62fddbc7d1e5f067a9cf2166ac", - "b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac", - "b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac", - "b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac", - "67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061", - "67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061" - ).map(colors); - - var RdBu = ramp(scheme$4); - - var scheme$5 = new Array(3).concat( - "ef8a62ffffff999999", - "ca0020f4a582bababa404040", - "ca0020f4a582ffffffbababa404040", - "b2182bef8a62fddbc7e0e0e09999994d4d4d", - "b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d", - "b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d", - "b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d", - "67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a", - "67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a" - ).map(colors); - - var RdGy = ramp(scheme$5); - - var scheme$6 = new Array(3).concat( - "fc8d59ffffbf91bfdb", - "d7191cfdae61abd9e92c7bb6", - "d7191cfdae61ffffbfabd9e92c7bb6", - "d73027fc8d59fee090e0f3f891bfdb4575b4", - "d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4", - "d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4", - "d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4", - "a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695", - "a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695" - ).map(colors); - - var RdYlBu = ramp(scheme$6); - - var scheme$7 = new Array(3).concat( - "fc8d59ffffbf91cf60", - "d7191cfdae61a6d96a1a9641", - "d7191cfdae61ffffbfa6d96a1a9641", - "d73027fc8d59fee08bd9ef8b91cf601a9850", - "d73027fc8d59fee08bffffbfd9ef8b91cf601a9850", - "d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850", - "d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850", - "a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837", - "a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837" - ).map(colors); - - var RdYlGn = ramp(scheme$7); - - var scheme$8 = new Array(3).concat( - "fc8d59ffffbf99d594", - "d7191cfdae61abdda42b83ba", - "d7191cfdae61ffffbfabdda42b83ba", - "d53e4ffc8d59fee08be6f59899d5943288bd", - "d53e4ffc8d59fee08bffffbfe6f59899d5943288bd", - "d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd", - "d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd", - "9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2", - "9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2" - ).map(colors); - - var Spectral = ramp(scheme$8); - - var scheme$9 = new Array(3).concat( - "e5f5f999d8c92ca25f", - "edf8fbb2e2e266c2a4238b45", - "edf8fbb2e2e266c2a42ca25f006d2c", - "edf8fbccece699d8c966c2a42ca25f006d2c", - "edf8fbccece699d8c966c2a441ae76238b45005824", - "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824", - "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b" - ).map(colors); - - var BuGn = ramp(scheme$9); - - var scheme$a = new Array(3).concat( - "e0ecf49ebcda8856a7", - "edf8fbb3cde38c96c688419d", - "edf8fbb3cde38c96c68856a7810f7c", - "edf8fbbfd3e69ebcda8c96c68856a7810f7c", - "edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b", - "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b", - "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b" - ).map(colors); - - var BuPu = ramp(scheme$a); - - var scheme$b = new Array(3).concat( - "e0f3dba8ddb543a2ca", - "f0f9e8bae4bc7bccc42b8cbe", - "f0f9e8bae4bc7bccc443a2ca0868ac", - "f0f9e8ccebc5a8ddb57bccc443a2ca0868ac", - "f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e", - "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e", - "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081" - ).map(colors); - - var GnBu = ramp(scheme$b); - - var scheme$c = new Array(3).concat( - "fee8c8fdbb84e34a33", - "fef0d9fdcc8afc8d59d7301f", - "fef0d9fdcc8afc8d59e34a33b30000", - "fef0d9fdd49efdbb84fc8d59e34a33b30000", - "fef0d9fdd49efdbb84fc8d59ef6548d7301f990000", - "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000", - "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000" - ).map(colors); - - var OrRd = ramp(scheme$c); - - var scheme$d = new Array(3).concat( - "ece2f0a6bddb1c9099", - "f6eff7bdc9e167a9cf02818a", - "f6eff7bdc9e167a9cf1c9099016c59", - "f6eff7d0d1e6a6bddb67a9cf1c9099016c59", - "f6eff7d0d1e6a6bddb67a9cf3690c002818a016450", - "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450", - "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636" - ).map(colors); - - var PuBuGn = ramp(scheme$d); - - var scheme$e = new Array(3).concat( - "ece7f2a6bddb2b8cbe", - "f1eef6bdc9e174a9cf0570b0", - "f1eef6bdc9e174a9cf2b8cbe045a8d", - "f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d", - "f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b", - "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b", - "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858" - ).map(colors); - - var PuBu = ramp(scheme$e); - - var scheme$f = new Array(3).concat( - "e7e1efc994c7dd1c77", - "f1eef6d7b5d8df65b0ce1256", - "f1eef6d7b5d8df65b0dd1c77980043", - "f1eef6d4b9dac994c7df65b0dd1c77980043", - "f1eef6d4b9dac994c7df65b0e7298ace125691003f", - "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f", - "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f" - ).map(colors); - - var PuRd = ramp(scheme$f); - - var scheme$g = new Array(3).concat( - "fde0ddfa9fb5c51b8a", - "feebe2fbb4b9f768a1ae017e", - "feebe2fbb4b9f768a1c51b8a7a0177", - "feebe2fcc5c0fa9fb5f768a1c51b8a7a0177", - "feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177", - "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177", - "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a" - ).map(colors); - - var RdPu = ramp(scheme$g); - - var scheme$h = new Array(3).concat( - "edf8b17fcdbb2c7fb8", - "ffffcca1dab441b6c4225ea8", - "ffffcca1dab441b6c42c7fb8253494", - "ffffccc7e9b47fcdbb41b6c42c7fb8253494", - "ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84", - "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84", - "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58" - ).map(colors); - - var YlGnBu = ramp(scheme$h); - - var scheme$i = new Array(3).concat( - "f7fcb9addd8e31a354", - "ffffccc2e69978c679238443", - "ffffccc2e69978c67931a354006837", - "ffffccd9f0a3addd8e78c67931a354006837", - "ffffccd9f0a3addd8e78c67941ab5d238443005a32", - "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32", - "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529" - ).map(colors); - - var YlGn = ramp(scheme$i); - - var scheme$j = new Array(3).concat( - "fff7bcfec44fd95f0e", - "ffffd4fed98efe9929cc4c02", - "ffffd4fed98efe9929d95f0e993404", - "ffffd4fee391fec44ffe9929d95f0e993404", - "ffffd4fee391fec44ffe9929ec7014cc4c028c2d04", - "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04", - "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506" - ).map(colors); - - var YlOrBr = ramp(scheme$j); - - var scheme$k = new Array(3).concat( - "ffeda0feb24cf03b20", - "ffffb2fecc5cfd8d3ce31a1c", - "ffffb2fecc5cfd8d3cf03b20bd0026", - "ffffb2fed976feb24cfd8d3cf03b20bd0026", - "ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026", - "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026", - "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026" - ).map(colors); - - var YlOrRd = ramp(scheme$k); - - var scheme$l = new Array(3).concat( - "deebf79ecae13182bd", - "eff3ffbdd7e76baed62171b5", - "eff3ffbdd7e76baed63182bd08519c", - "eff3ffc6dbef9ecae16baed63182bd08519c", - "eff3ffc6dbef9ecae16baed64292c62171b5084594", - "f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594", - "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b" - ).map(colors); - - var Blues = ramp(scheme$l); - - var scheme$m = new Array(3).concat( - "e5f5e0a1d99b31a354", - "edf8e9bae4b374c476238b45", - "edf8e9bae4b374c47631a354006d2c", - "edf8e9c7e9c0a1d99b74c47631a354006d2c", - "edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32", - "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32", - "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b" - ).map(colors); - - var Greens = ramp(scheme$m); - - var scheme$n = new Array(3).concat( - "f0f0f0bdbdbd636363", - "f7f7f7cccccc969696525252", - "f7f7f7cccccc969696636363252525", - "f7f7f7d9d9d9bdbdbd969696636363252525", - "f7f7f7d9d9d9bdbdbd969696737373525252252525", - "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525", - "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000" - ).map(colors); - - var Greys = ramp(scheme$n); - - var scheme$o = new Array(3).concat( - "efedf5bcbddc756bb1", - "f2f0f7cbc9e29e9ac86a51a3", - "f2f0f7cbc9e29e9ac8756bb154278f", - "f2f0f7dadaebbcbddc9e9ac8756bb154278f", - "f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486", - "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486", - "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d" - ).map(colors); - - var Purples = ramp(scheme$o); - - var scheme$p = new Array(3).concat( - "fee0d2fc9272de2d26", - "fee5d9fcae91fb6a4acb181d", - "fee5d9fcae91fb6a4ade2d26a50f15", - "fee5d9fcbba1fc9272fb6a4ade2d26a50f15", - "fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d", - "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d", - "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d" - ).map(colors); - - var Reds = ramp(scheme$p); - - var scheme$q = new Array(3).concat( - "fee6cefdae6be6550d", - "feeddefdbe85fd8d3cd94701", - "feeddefdbe85fd8d3ce6550da63603", - "feeddefdd0a2fdae6bfd8d3ce6550da63603", - "feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04", - "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04", - "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704" - ).map(colors); - - var Oranges = ramp(scheme$q); - - function cividis(t) { - t = Math.max(0, Math.min(1, t)); - return "rgb(" - + Math.max(0, Math.min(255, Math.round(-4.54 - t * (35.34 - t * (2381.73 - t * (6402.7 - t * (7024.72 - t * 2710.57))))))) + ", " - + Math.max(0, Math.min(255, Math.round(32.49 + t * (170.73 + t * (52.82 - t * (131.46 - t * (176.58 - t * 67.37))))))) + ", " - + Math.max(0, Math.min(255, Math.round(81.24 + t * (442.36 - t * (2482.43 - t * (6167.24 - t * (6614.94 - t * 2475.67))))))) - + ")"; - } - - var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); - - var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - - var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - - var c = cubehelix(); - - function rainbow(t) { - if (t < 0 || t > 1) t -= Math.floor(t); - var ts = Math.abs(t - 0.5); - c.h = 360 * t - 100; - c.s = 1.5 - 1.5 * ts; - c.l = 0.8 - 0.9 * ts; - return c + ""; - } - - var c$1 = rgb(), - pi_1_3 = Math.PI / 3, - pi_2_3 = Math.PI * 2 / 3; - - function sinebow(t) { - var x; - t = (0.5 - t) * Math.PI; - c$1.r = 255 * (x = Math.sin(t)) * x; - c$1.g = 255 * (x = Math.sin(t + pi_1_3)) * x; - c$1.b = 255 * (x = Math.sin(t + pi_2_3)) * x; - return c$1 + ""; - } - - function turbo(t) { - t = Math.max(0, Math.min(1, t)); - return "rgb(" - + Math.max(0, Math.min(255, Math.round(34.61 + t * (1172.33 - t * (10793.56 - t * (33300.12 - t * (38394.49 - t * 14825.05))))))) + ", " - + Math.max(0, Math.min(255, Math.round(23.31 + t * (557.33 + t * (1225.33 - t * (3574.96 - t * (1073.77 + t * 707.56))))))) + ", " - + Math.max(0, Math.min(255, Math.round(27.2 + t * (3211.1 - t * (15327.97 - t * (27814 - t * (22569.18 - t * 6838.66))))))) - + ")"; - } - - function ramp$1(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; - }; - } - - var viridis = ramp$1(colors("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")); - - var magma = ramp$1(colors("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")); - - var inferno = ramp$1(colors("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")); - - var plasma = ramp$1(colors("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")); - - function constant$b(x) { - return function constant() { - return x; - }; - } - - var abs$1 = Math.abs; - var atan2$1 = Math.atan2; - var cos$2 = Math.cos; - var max$2 = Math.max; - var min$1 = Math.min; - var sin$2 = Math.sin; - var sqrt$2 = Math.sqrt; - - var epsilon$3 = 1e-12; - var pi$4 = Math.PI; - var halfPi$3 = pi$4 / 2; - var tau$4 = 2 * pi$4; - - function acos$1(x) { - return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); - } - - function asin$1(x) { - return x >= 1 ? halfPi$3 : x <= -1 ? -halfPi$3 : Math.asin(x); - } - - function arcInnerRadius(d) { - return d.innerRadius; - } - - function arcOuterRadius(d) { - return d.outerRadius; - } - - function arcStartAngle(d) { - return d.startAngle; - } - - function arcEndAngle(d) { - return d.endAngle; - } - - function arcPadAngle(d) { - return d && d.padAngle; // Note: optional! - } - - function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { - var x10 = x1 - x0, y10 = y1 - y0, - x32 = x3 - x2, y32 = y3 - y2, - t = y32 * x10 - x32 * y10; - if (t * t < epsilon$3) return; - t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t; - return [x0 + t * x10, y0 + t * y10]; - } - - // Compute perpendicular offset line of length rc. - // http://mathworld.wolfram.com/Circle-LineIntersection.html - function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { - var x01 = x0 - x1, - y01 = y0 - y1, - lo = (cw ? rc : -rc) / sqrt$2(x01 * x01 + y01 * y01), - ox = lo * y01, - oy = -lo * x01, - x11 = x0 + ox, - y11 = y0 + oy, - x10 = x1 + ox, - y10 = y1 + oy, - x00 = (x11 + x10) / 2, - y00 = (y11 + y10) / 2, - dx = x10 - x11, - dy = y10 - y11, - d2 = dx * dx + dy * dy, - r = r1 - rc, - D = x11 * y10 - x10 * y11, - d = (dy < 0 ? -1 : 1) * sqrt$2(max$2(0, r * r * d2 - D * D)), - cx0 = (D * dy - dx * d) / d2, - cy0 = (-D * dx - dy * d) / d2, - cx1 = (D * dy + dx * d) / d2, - cy1 = (-D * dx + dy * d) / d2, - dx0 = cx0 - x00, - dy0 = cy0 - y00, - dx1 = cx1 - x00, - dy1 = cy1 - y00; - - // Pick the closer of the two intersection points. - // TODO Is there a faster way to determine which intersection to use? - if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; - - return { - cx: cx0, - cy: cy0, - x01: -ox, - y01: -oy, - x11: cx0 * (r1 / r - 1), - y11: cy0 * (r1 / r - 1) - }; - } - - function arc() { - var innerRadius = arcInnerRadius, - outerRadius = arcOuterRadius, - cornerRadius = constant$b(0), - padRadius = null, - startAngle = arcStartAngle, - endAngle = arcEndAngle, - padAngle = arcPadAngle, - context = null; - - function arc() { - var buffer, - r, - r0 = +innerRadius.apply(this, arguments), - r1 = +outerRadius.apply(this, arguments), - a0 = startAngle.apply(this, arguments) - halfPi$3, - a1 = endAngle.apply(this, arguments) - halfPi$3, - da = abs$1(a1 - a0), - cw = a1 > a0; - - if (!context) context = buffer = path(); - - // Ensure that the outer radius is always larger than the inner radius. - if (r1 < r0) r = r1, r1 = r0, r0 = r; - - // Is it a point? - if (!(r1 > epsilon$3)) context.moveTo(0, 0); - - // Or is it a circle or annulus? - else if (da > tau$4 - epsilon$3) { - context.moveTo(r1 * cos$2(a0), r1 * sin$2(a0)); - context.arc(0, 0, r1, a0, a1, !cw); - if (r0 > epsilon$3) { - context.moveTo(r0 * cos$2(a1), r0 * sin$2(a1)); - context.arc(0, 0, r0, a1, a0, cw); - } - } - - // Or is it a circular or annular sector? - else { - var a01 = a0, - a11 = a1, - a00 = a0, - a10 = a1, - da0 = da, - da1 = da, - ap = padAngle.apply(this, arguments) / 2, - rp = (ap > epsilon$3) && (padRadius ? +padRadius.apply(this, arguments) : sqrt$2(r0 * r0 + r1 * r1)), - rc = min$1(abs$1(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), - rc0 = rc, - rc1 = rc, - t0, - t1; - - // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. - if (rp > epsilon$3) { - var p0 = asin$1(rp / r0 * sin$2(ap)), - p1 = asin$1(rp / r1 * sin$2(ap)); - if ((da0 -= p0 * 2) > epsilon$3) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; - else da0 = 0, a00 = a10 = (a0 + a1) / 2; - if ((da1 -= p1 * 2) > epsilon$3) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; - else da1 = 0, a01 = a11 = (a0 + a1) / 2; - } - - var x01 = r1 * cos$2(a01), - y01 = r1 * sin$2(a01), - x10 = r0 * cos$2(a10), - y10 = r0 * sin$2(a10); - - // Apply rounded corners? - if (rc > epsilon$3) { - var x11 = r1 * cos$2(a11), - y11 = r1 * sin$2(a11), - x00 = r0 * cos$2(a00), - y00 = r0 * sin$2(a00), - oc; - - // Restrict the corner radius according to the sector angle. - if (da < pi$4 && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) { - var ax = x01 - oc[0], - ay = y01 - oc[1], - bx = x11 - oc[0], - by = y11 - oc[1], - kc = 1 / sin$2(acos$1((ax * bx + ay * by) / (sqrt$2(ax * ax + ay * ay) * sqrt$2(bx * bx + by * by))) / 2), - lc = sqrt$2(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = min$1(rc, (r0 - lc) / (kc - 1)); - rc1 = min$1(rc, (r1 - lc) / (kc + 1)); - } - } - - // Is the sector collapsed to a line? - if (!(da1 > epsilon$3)) context.moveTo(x01, y01); - - // Does the sector’s outer ring have rounded corners? - else if (rc1 > epsilon$3) { - t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); - t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); - - context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); - - // Have the corners merged? - if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); - - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); - context.arc(0, 0, r1, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), !cw); - context.arc(t1.cx, t1.cy, rc1, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); - } - } - - // Or is the outer ring just a circular arc? - else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); - - // Is there no inner ring, and it’s a circular sector? - // Or perhaps it’s an annular sector collapsed due to padding? - if (!(r0 > epsilon$3) || !(da0 > epsilon$3)) context.lineTo(x10, y10); - - // Does the sector’s inner ring (or point) have rounded corners? - else if (rc0 > epsilon$3) { - t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); - t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); - - context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); - - // Have the corners merged? - if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); - - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); - context.arc(0, 0, r0, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), cw); - context.arc(t1.cx, t1.cy, rc0, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); - } - } - - // Or is the inner ring just a circular arc? - else context.arc(0, 0, r0, a10, a00, cw); - } - - context.closePath(); - - if (buffer) return context = null, buffer + "" || null; - } - - arc.centroid = function() { - var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, - a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$4 / 2; - return [cos$2(a) * r, sin$2(a) * r]; - }; - - arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : innerRadius; - }; - - arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : outerRadius; - }; - - arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : cornerRadius; - }; - - arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), arc) : padRadius; - }; - - arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : startAngle; - }; - - arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : endAngle; - }; - - arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : padAngle; - }; - - arc.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), arc) : context; - }; - - return arc; - } - - function Linear(context) { - this._context = context; - } - - Linear.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: this._context.lineTo(x, y); break; - } - } - }; - - function curveLinear(context) { - return new Linear(context); - } - - function x$3(p) { - return p[0]; - } - - function y$3(p) { - return p[1]; - } - - function line() { - var x = x$3, - y = y$3, - defined = constant$b(true), - context = null, - curve = curveLinear, - output = null; - - function line(data) { - var i, - n = data.length, - d, - defined0 = false, - buffer; - - if (context == null) output = curve(buffer = path()); - - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) output.lineStart(); - else output.lineEnd(); - } - if (defined0) output.point(+x(d, i, data), +y(d, i, data)); - } - - if (buffer) return output = null, buffer + "" || null; - } - - line.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$b(+_), line) : x; - }; - - line.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$b(+_), line) : y; - }; - - line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$b(!!_), line) : defined; - }; - - line.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; - }; - - line.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; - }; - - return line; - } - - function area$3() { - var x0 = x$3, - x1 = null, - y0 = constant$b(0), - y1 = y$3, - defined = constant$b(true), - context = null, - curve = curveLinear, - output = null; - - function area(data) { - var i, - j, - k, - n = data.length, - d, - defined0 = false, - buffer, - x0z = new Array(n), - y0z = new Array(n); - - if (context == null) output = curve(buffer = path()); - - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) { - j = i; - output.areaStart(); - output.lineStart(); - } else { - output.lineEnd(); - output.lineStart(); - for (k = i - 1; k >= j; --k) { - output.point(x0z[k], y0z[k]); - } - output.lineEnd(); - output.areaEnd(); - } - } - if (defined0) { - x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); - output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); - } - } - - if (buffer) return output = null, buffer + "" || null; - } - - function arealine() { - return line().defined(defined).curve(curve).context(context); - } - - area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$b(+_), x1 = null, area) : x0; - }; - - area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$b(+_), area) : x0; - }; - - area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), area) : x1; - }; - - area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), y1 = null, area) : y0; - }; - - area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), area) : y0; - }; - - area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), area) : y1; - }; - - area.lineX0 = - area.lineY0 = function() { - return arealine().x(x0).y(y0); - }; - - area.lineY1 = function() { - return arealine().x(x0).y(y1); - }; - - area.lineX1 = function() { - return arealine().x(x1).y(y0); - }; - - area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$b(!!_), area) : defined; - }; - - area.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; - }; - - area.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; - }; - - return area; - } - - function descending$1(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; - } - - function identity$8(d) { - return d; - } - - function pie() { - var value = identity$8, - sortValues = descending$1, - sort = null, - startAngle = constant$b(0), - endAngle = constant$b(tau$4), - padAngle = constant$b(0); - - function pie(data) { - var i, - n = data.length, - j, - k, - sum = 0, - index = new Array(n), - arcs = new Array(n), - a0 = +startAngle.apply(this, arguments), - da = Math.min(tau$4, Math.max(-tau$4, endAngle.apply(this, arguments) - a0)), - a1, - p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), - pa = p * (da < 0 ? -1 : 1), - v; - - for (i = 0; i < n; ++i) { - if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { - sum += v; - } - } - - // Optionally sort the arcs by previously-computed values or by data. - if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); - else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); - - // Compute the arcs! They are stored in the original data's order. - for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { - j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { - data: data[j], - index: i, - value: v, - startAngle: a0, - endAngle: a1, - padAngle: p - }; - } - - return arcs; - } - - pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), pie) : value; - }; - - pie.sortValues = function(_) { - return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; - }; - - pie.sort = function(_) { - return arguments.length ? (sort = _, sortValues = null, pie) : sort; - }; - - pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : startAngle; - }; - - pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : endAngle; - }; - - pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : padAngle; - }; - - return pie; - } - - var curveRadialLinear = curveRadial(curveLinear); - - function Radial(curve) { - this._curve = curve; - } - - Radial.prototype = { - areaStart: function() { - this._curve.areaStart(); - }, - areaEnd: function() { - this._curve.areaEnd(); - }, - lineStart: function() { - this._curve.lineStart(); - }, - lineEnd: function() { - this._curve.lineEnd(); - }, - point: function(a, r) { - this._curve.point(r * Math.sin(a), r * -Math.cos(a)); - } - }; - - function curveRadial(curve) { - - function radial(context) { - return new Radial(curve(context)); - } - - radial._curve = curve; - - return radial; - } - - function lineRadial(l) { - var c = l.curve; - - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; - - l.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; - - return l; - } - - function lineRadial$1() { - return lineRadial(line().curve(curveRadialLinear)); - } - - function areaRadial() { - var a = area$3().curve(curveRadialLinear), - c = a.curve, - x0 = a.lineX0, - x1 = a.lineX1, - y0 = a.lineY0, - y1 = a.lineY1; - - a.angle = a.x, delete a.x; - a.startAngle = a.x0, delete a.x0; - a.endAngle = a.x1, delete a.x1; - a.radius = a.y, delete a.y; - a.innerRadius = a.y0, delete a.y0; - a.outerRadius = a.y1, delete a.y1; - a.lineStartAngle = function() { return lineRadial(x0()); }, delete a.lineX0; - a.lineEndAngle = function() { return lineRadial(x1()); }, delete a.lineX1; - a.lineInnerRadius = function() { return lineRadial(y0()); }, delete a.lineY0; - a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; - - a.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; - - return a; - } - - function pointRadial(x, y) { - return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; - } - - var slice$6 = Array.prototype.slice; - - function linkSource(d) { - return d.source; - } - - function linkTarget(d) { - return d.target; - } - - function link$2(curve) { - var source = linkSource, - target = linkTarget, - x = x$3, - y = y$3, - context = null; - - function link() { - var buffer, argv = slice$6.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); - if (!context) context = buffer = path(); - curve(context, +x.apply(this, (argv[0] = s, argv)), +y.apply(this, argv), +x.apply(this, (argv[0] = t, argv)), +y.apply(this, argv)); - if (buffer) return context = null, buffer + "" || null; - } - - link.source = function(_) { - return arguments.length ? (source = _, link) : source; - }; - - link.target = function(_) { - return arguments.length ? (target = _, link) : target; - }; - - link.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$b(+_), link) : x; - }; - - link.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$b(+_), link) : y; - }; - - link.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), link) : context; - }; - - return link; - } - - function curveHorizontal(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); - } - - function curveVertical(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); - } - - function curveRadial$1(context, x0, y0, x1, y1) { - var p0 = pointRadial(x0, y0), - p1 = pointRadial(x0, y0 = (y0 + y1) / 2), - p2 = pointRadial(x1, y0), - p3 = pointRadial(x1, y1); - context.moveTo(p0[0], p0[1]); - context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); - } - - function linkHorizontal() { - return link$2(curveHorizontal); - } - - function linkVertical() { - return link$2(curveVertical); - } - - function linkRadial() { - var l = link$2(curveRadial$1); - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; - return l; - } - - var circle$2 = { - draw: function(context, size) { - var r = Math.sqrt(size / pi$4); - context.moveTo(r, 0); - context.arc(0, 0, r, 0, tau$4); - } - }; - - var cross$2 = { - draw: function(context, size) { - var r = Math.sqrt(size / 5) / 2; - context.moveTo(-3 * r, -r); - context.lineTo(-r, -r); - context.lineTo(-r, -3 * r); - context.lineTo(r, -3 * r); - context.lineTo(r, -r); - context.lineTo(3 * r, -r); - context.lineTo(3 * r, r); - context.lineTo(r, r); - context.lineTo(r, 3 * r); - context.lineTo(-r, 3 * r); - context.lineTo(-r, r); - context.lineTo(-3 * r, r); - context.closePath(); - } - }; - - var tan30 = Math.sqrt(1 / 3), - tan30_2 = tan30 * 2; - - var diamond = { - draw: function(context, size) { - var y = Math.sqrt(size / tan30_2), - x = y * tan30; - context.moveTo(0, -y); - context.lineTo(x, 0); - context.lineTo(0, y); - context.lineTo(-x, 0); - context.closePath(); - } - }; - - var ka = 0.89081309152928522810, - kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10), - kx = Math.sin(tau$4 / 10) * kr, - ky = -Math.cos(tau$4 / 10) * kr; - - var star = { - draw: function(context, size) { - var r = Math.sqrt(size * ka), - x = kx * r, - y = ky * r; - context.moveTo(0, -r); - context.lineTo(x, y); - for (var i = 1; i < 5; ++i) { - var a = tau$4 * i / 5, - c = Math.cos(a), - s = Math.sin(a); - context.lineTo(s * r, -c * r); - context.lineTo(c * x - s * y, s * x + c * y); - } - context.closePath(); - } - }; - - var square = { - draw: function(context, size) { - var w = Math.sqrt(size), - x = -w / 2; - context.rect(x, x, w, w); - } - }; - - var sqrt3 = Math.sqrt(3); - - var triangle = { - draw: function(context, size) { - var y = -Math.sqrt(size / (sqrt3 * 3)); - context.moveTo(0, y * 2); - context.lineTo(-sqrt3 * y, -y); - context.lineTo(sqrt3 * y, -y); - context.closePath(); - } - }; - - var c$2 = -0.5, - s = Math.sqrt(3) / 2, - k = 1 / Math.sqrt(12), - a = (k / 2 + 1) * 3; - - var wye = { - draw: function(context, size) { - var r = Math.sqrt(size / a), - x0 = r / 2, - y0 = r * k, - x1 = x0, - y1 = r * k + r, - x2 = -x1, - y2 = y1; - context.moveTo(x0, y0); - context.lineTo(x1, y1); - context.lineTo(x2, y2); - context.lineTo(c$2 * x0 - s * y0, s * x0 + c$2 * y0); - context.lineTo(c$2 * x1 - s * y1, s * x1 + c$2 * y1); - context.lineTo(c$2 * x2 - s * y2, s * x2 + c$2 * y2); - context.lineTo(c$2 * x0 + s * y0, c$2 * y0 - s * x0); - context.lineTo(c$2 * x1 + s * y1, c$2 * y1 - s * x1); - context.lineTo(c$2 * x2 + s * y2, c$2 * y2 - s * x2); - context.closePath(); - } - }; - - var symbols = [ - circle$2, - cross$2, - diamond, - square, - star, - triangle, - wye - ]; - - function symbol() { - var type = constant$b(circle$2), - size = constant$b(64), - context = null; - - function symbol() { - var buffer; - if (!context) context = buffer = path(); - type.apply(this, arguments).draw(context, +size.apply(this, arguments)); - if (buffer) return context = null, buffer + "" || null; - } - - symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$b(_), symbol) : type; - }; - - symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$b(+_), symbol) : size; - }; - - symbol.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, symbol) : context; - }; - - return symbol; - } - - function noop$3() {} - - function point$2(that, x, y) { - that._context.bezierCurveTo( - (2 * that._x0 + that._x1) / 3, - (2 * that._y0 + that._y1) / 3, - (that._x0 + 2 * that._x1) / 3, - (that._y0 + 2 * that._y1) / 3, - (that._x0 + 4 * that._x1 + x) / 6, - (that._y0 + 4 * that._y1 + y) / 6 - ); - } - - function Basis(context) { - this._context = context; - } - - Basis.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 3: point$2(this, this._x1, this._y1); // proceed - case 2: this._context.lineTo(this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed - default: point$2(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } - }; - - function basis$2(context) { - return new Basis(context); - } - - function BasisClosed(context) { - this._context = context; - } - - BasisClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x2, this._y2); - this._context.closePath(); - break; - } - case 2: { - this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); - this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x2, this._y2); - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x2 = x, this._y2 = y; break; - case 1: this._point = 2; this._x3 = x, this._y3 = y; break; - case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; - default: point$2(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } - }; - - function basisClosed$1(context) { - return new BasisClosed(context); - } - - function BasisOpen(context) { - this._context = context; - } - - BasisOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; - case 3: this._point = 4; // proceed - default: point$2(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } - }; - - function basisOpen(context) { - return new BasisOpen(context); - } - - function Bundle(context, beta) { - this._basis = new Basis(context); - this._beta = beta; - } - - Bundle.prototype = { - lineStart: function() { - this._x = []; - this._y = []; - this._basis.lineStart(); - }, - lineEnd: function() { - var x = this._x, - y = this._y, - j = x.length - 1; - - if (j > 0) { - var x0 = x[0], - y0 = y[0], - dx = x[j] - x0, - dy = y[j] - y0, - i = -1, - t; - - while (++i <= j) { - t = i / j; - this._basis.point( - this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), - this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) - ); - } - } - - this._x = this._y = null; - this._basis.lineEnd(); - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); - } - }; - - var bundle = (function custom(beta) { - - function bundle(context) { - return beta === 1 ? new Basis(context) : new Bundle(context, beta); - } - - bundle.beta = function(beta) { - return custom(+beta); - }; - - return bundle; - })(0.85); - - function point$3(that, x, y) { - that._context.bezierCurveTo( - that._x1 + that._k * (that._x2 - that._x0), - that._y1 + that._k * (that._y2 - that._y0), - that._x2 + that._k * (that._x1 - x), - that._y2 + that._k * (that._y1 - y), - that._x2, - that._y2 - ); - } - - function Cardinal(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; - } - - Cardinal.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: point$3(this, this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; this._x1 = x, this._y1 = y; break; - case 2: this._point = 3; // proceed - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; - - var cardinal = (function custom(tension) { - - function cardinal(context) { - return new Cardinal(context, tension); - } - - cardinal.tension = function(tension) { - return custom(+tension); - }; - - return cardinal; - })(0); - - function CardinalClosed(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; - } - - CardinalClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; - - var cardinalClosed = (function custom(tension) { - - function cardinal(context) { - return new CardinalClosed(context, tension); - } - - cardinal.tension = function(tension) { - return custom(+tension); - }; - - return cardinal; - })(0); - - function CardinalOpen(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; - } - - CardinalOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; - - var cardinalOpen = (function custom(tension) { - - function cardinal(context) { - return new CardinalOpen(context, tension); - } - - cardinal.tension = function(tension) { - return custom(+tension); - }; - - return cardinal; - })(0); - - function point$4(that, x, y) { - var x1 = that._x1, - y1 = that._y1, - x2 = that._x2, - y2 = that._y2; - - if (that._l01_a > epsilon$3) { - var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, - n = 3 * that._l01_a * (that._l01_a + that._l12_a); - x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; - y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; - } - - if (that._l23_a > epsilon$3) { - var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, - m = 3 * that._l23_a * (that._l23_a + that._l12_a); - x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; - y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; - } - - that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); - } - - function CatmullRom(context, alpha) { - this._context = context; - this._alpha = alpha; - } - - CatmullRom.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: this.point(this._x2, this._y2); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; // proceed - default: point$4(this, x, y); break; - } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; - - var catmullRom = (function custom(alpha) { - - function catmullRom(context) { - return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); - } - - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom; - })(0.5); - - function CatmullRomClosed(context, alpha) { - this._context = context; - this._alpha = alpha; - } - - CatmullRomClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$4(this, x, y); break; - } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; - - var catmullRomClosed = (function custom(alpha) { - - function catmullRom(context) { - return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); - } - - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom; - })(0.5); - - function CatmullRomOpen(context, alpha) { - this._context = context; - this._alpha = alpha; - } - - CatmullRomOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$4(this, x, y); break; - } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; - - var catmullRomOpen = (function custom(alpha) { - - function catmullRom(context) { - return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); - } - - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom; - })(0.5); - - function LinearClosed(context) { - this._context = context; - } - - LinearClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._point) this._context.closePath(); - }, - point: function(x, y) { - x = +x, y = +y; - if (this._point) this._context.lineTo(x, y); - else this._point = 1, this._context.moveTo(x, y); - } - }; - - function linearClosed(context) { - return new LinearClosed(context); - } - - function sign$1(x) { - return x < 0 ? -1 : 1; - } - - // Calculate the slopes of the tangents (Hermite-type interpolation) based on - // the following paper: Steffen, M. 1990. A Simple Method for Monotonic - // Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. - // NOV(II), P. 443, 1990. - function slope3(that, x2, y2) { - var h0 = that._x1 - that._x0, - h1 = x2 - that._x1, - s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), - s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), - p = (s0 * h1 + s1 * h0) / (h0 + h1); - return (sign$1(s0) + sign$1(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; - } - - // Calculate a one-sided slope. - function slope2(that, t) { - var h = that._x1 - that._x0; - return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; - } - - // According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations - // "you can express cubic Hermite interpolation in terms of cubic Bézier curves - // with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". - function point$5(that, t0, t1) { - var x0 = that._x0, - y0 = that._y0, - x1 = that._x1, - y1 = that._y1, - dx = (x1 - x0) / 3; - that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); - } - - function MonotoneX(context) { - this._context = context; - } - - MonotoneX.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = - this._t0 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x1, this._y1); break; - case 3: point$5(this, this._t0, slope2(this, this._t0)); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - var t1 = NaN; - - x = +x, y = +y; - if (x === this._x1 && y === this._y1) return; // Ignore coincident points. - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; point$5(this, slope2(this, t1 = slope3(this, x, y)), t1); break; - default: point$5(this, this._t0, t1 = slope3(this, x, y)); break; - } - - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - this._t0 = t1; - } - }; - - function MonotoneY(context) { - this._context = new ReflectContext(context); - } - - (MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { - MonotoneX.prototype.point.call(this, y, x); - }; - - function ReflectContext(context) { - this._context = context; - } - - ReflectContext.prototype = { - moveTo: function(x, y) { this._context.moveTo(y, x); }, - closePath: function() { this._context.closePath(); }, - lineTo: function(x, y) { this._context.lineTo(y, x); }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } - }; - - function monotoneX(context) { - return new MonotoneX(context); - } - - function monotoneY(context) { - return new MonotoneY(context); - } - - function Natural(context) { - this._context = context; - } - - Natural.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = []; - this._y = []; - }, - lineEnd: function() { - var x = this._x, - y = this._y, - n = x.length; - - if (n) { - this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); - if (n === 2) { - this._context.lineTo(x[1], y[1]); - } else { - var px = controlPoints(x), - py = controlPoints(y); - for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { - this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); - } - } - } - - if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); - this._line = 1 - this._line; - this._x = this._y = null; - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); - } - }; - - // See https://www.particleincell.com/2012/bezier-splines/ for derivation. - function controlPoints(x) { - var i, - n = x.length - 1, - m, - a = new Array(n), - b = new Array(n), - r = new Array(n); - a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; - for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; - a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; - for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; - a[n - 1] = r[n - 1] / b[n - 1]; - for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; - b[n - 1] = (x[n] + a[n - 1]) / 2; - for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; - return [a, b]; - } - - function natural(context) { - return new Natural(context); - } - - function Step(context, t) { - this._context = context; - this._t = t; - } - - Step.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = this._y = NaN; - this._point = 0; - }, - lineEnd: function() { - if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: { - if (this._t <= 0) { - this._context.lineTo(this._x, y); - this._context.lineTo(x, y); - } else { - var x1 = this._x * (1 - this._t) + x * this._t; - this._context.lineTo(x1, this._y); - this._context.lineTo(x1, y); - } - break; - } - } - this._x = x, this._y = y; - } - }; - - function step(context) { - return new Step(context, 0.5); - } - - function stepBefore(context) { - return new Step(context, 0); - } - - function stepAfter(context) { - return new Step(context, 1); - } - - function none$1(series, order) { - if (!((n = series.length) > 1)) return; - for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { - s0 = s1, s1 = series[order[i]]; - for (j = 0; j < m; ++j) { - s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; - } - } - } - - function none$2(series) { - var n = series.length, o = new Array(n); - while (--n >= 0) o[n] = n; - return o; - } - - function stackValue(d, key) { - return d[key]; - } - - function stack() { - var keys = constant$b([]), - order = none$2, - offset = none$1, - value = stackValue; - - function stack(data) { - var kz = keys.apply(this, arguments), - i, - m = data.length, - n = kz.length, - sz = new Array(n), - oz; - - for (i = 0; i < n; ++i) { - for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { - si[j] = sij = [0, +value(data[j], ki, j, data)]; - sij.data = data[j]; - } - si.key = ki; - } - - for (i = 0, oz = order(sz); i < n; ++i) { - sz[oz[i]].index = i; - } - - offset(sz, oz); - return sz; - } - - stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$b(slice$6.call(_)), stack) : keys; - }; - - stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), stack) : value; - }; - - stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$b(slice$6.call(_)), stack) : order; - }; - - stack.offset = function(_) { - return arguments.length ? (offset = _ == null ? none$1 : _, stack) : offset; - }; - - return stack; - } - - function expand(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { - for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; - if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; - } - none$1(series, order); - } - - function diverging$1(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { - for (yp = yn = 0, i = 0; i < n; ++i) { - if ((dy = (d = series[order[i]][j])[1] - d[0]) > 0) { - d[0] = yp, d[1] = yp += dy; - } else if (dy < 0) { - d[1] = yn, d[0] = yn += dy; - } else { - d[0] = 0, d[1] = dy; - } - } - } - } - - function silhouette(series, order) { - if (!((n = series.length) > 0)) return; - for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { - for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; - s0[j][1] += s0[j][0] = -y / 2; - } - none$1(series, order); - } - - function wiggle(series, order) { - if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; - for (var y = 0, j = 1, s0, m, n; j < m; ++j) { - for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { - var si = series[order[i]], - sij0 = si[j][1] || 0, - sij1 = si[j - 1][1] || 0, - s3 = (sij0 - sij1) / 2; - for (var k = 0; k < i; ++k) { - var sk = series[order[k]], - skj0 = sk[j][1] || 0, - skj1 = sk[j - 1][1] || 0; - s3 += skj0 - skj1; - } - s1 += sij0, s2 += s3 * sij0; - } - s0[j - 1][1] += s0[j - 1][0] = y; - if (s1) y -= s2 / s1; - } - s0[j - 1][1] += s0[j - 1][0] = y; - none$1(series, order); - } - - function appearance(series) { - var peaks = series.map(peak); - return none$2(series).sort(function(a, b) { return peaks[a] - peaks[b]; }); - } - - function peak(series) { - var i = -1, j = 0, n = series.length, vi, vj = -Infinity; - while (++i < n) if ((vi = +series[i][1]) > vj) vj = vi, j = i; - return j; - } - - function ascending$3(series) { - var sums = series.map(sum$2); - return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); - } - - function sum$2(series) { - var s = 0, i = -1, n = series.length, v; - while (++i < n) if (v = +series[i][1]) s += v; - return s; - } - - function descending$2(series) { - return ascending$3(series).reverse(); - } - - function insideOut(series) { - var n = series.length, - i, - j, - sums = series.map(sum$2), - order = appearance(series), - top = 0, - bottom = 0, - tops = [], - bottoms = []; - - for (i = 0; i < n; ++i) { - j = order[i]; - if (top < bottom) { - top += sums[j]; - tops.push(j); - } else { - bottom += sums[j]; - bottoms.push(j); - } - } - - return bottoms.reverse().concat(tops); - } - - function reverse(series) { - return none$2(series).reverse(); - } - - function constant$c(x) { - return function() { - return x; - }; - } - - function x$4(d) { - return d[0]; - } - - function y$4(d) { - return d[1]; - } - - function RedBlackTree() { - this._ = null; // root node - } - - function RedBlackNode(node) { - node.U = // parent node - node.C = // color - true for red, false for black - node.L = // left node - node.R = // right node - node.P = // previous node - node.N = null; // next node - } - - RedBlackTree.prototype = { - constructor: RedBlackTree, - - insert: function(after, node) { - var parent, grandpa, uncle; - - if (after) { - node.P = after; - node.N = after.N; - if (after.N) after.N.P = node; - after.N = node; - if (after.R) { - after = after.R; - while (after.L) after = after.L; - after.L = node; - } else { - after.R = node; - } - parent = after; - } else if (this._) { - after = RedBlackFirst(this._); - node.P = null; - node.N = after; - after.P = after.L = node; - parent = after; - } else { - node.P = node.N = null; - this._ = node; - parent = null; - } - node.L = node.R = null; - node.U = parent; - node.C = true; - - after = node; - while (parent && parent.C) { - grandpa = parent.U; - if (parent === grandpa.L) { - uncle = grandpa.R; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.R) { - RedBlackRotateLeft(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateRight(this, grandpa); - } - } else { - uncle = grandpa.L; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.L) { - RedBlackRotateRight(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateLeft(this, grandpa); - } - } - parent = after.U; - } - this._.C = false; - }, - - remove: function(node) { - if (node.N) node.N.P = node.P; - if (node.P) node.P.N = node.N; - node.N = node.P = null; - - var parent = node.U, - sibling, - left = node.L, - right = node.R, - next, - red; - - if (!left) next = right; - else if (!right) next = left; - else next = RedBlackFirst(right); - - if (parent) { - if (parent.L === node) parent.L = next; - else parent.R = next; - } else { - this._ = next; - } - - if (left && right) { - red = next.C; - next.C = node.C; - next.L = left; - left.U = next; - if (next !== right) { - parent = next.U; - next.U = node.U; - node = next.R; - parent.L = node; - next.R = right; - right.U = next; - } else { - next.U = parent; - parent = next; - node = next.R; - } - } else { - red = node.C; - node = next; - } - - if (node) node.U = parent; - if (red) return; - if (node && node.C) { node.C = false; return; } - - do { - if (node === this._) break; - if (node === parent.L) { - sibling = parent.R; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateLeft(this, parent); - sibling = parent.R; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.R || !sibling.R.C) { - sibling.L.C = false; - sibling.C = true; - RedBlackRotateRight(this, sibling); - sibling = parent.R; - } - sibling.C = parent.C; - parent.C = sibling.R.C = false; - RedBlackRotateLeft(this, parent); - node = this._; - break; - } - } else { - sibling = parent.L; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateRight(this, parent); - sibling = parent.L; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.L || !sibling.L.C) { - sibling.R.C = false; - sibling.C = true; - RedBlackRotateLeft(this, sibling); - sibling = parent.L; - } - sibling.C = parent.C; - parent.C = sibling.L.C = false; - RedBlackRotateRight(this, parent); - node = this._; - break; - } - } - sibling.C = true; - node = parent; - parent = parent.U; - } while (!node.C); - - if (node) node.C = false; - } - }; - - function RedBlackRotateLeft(tree, node) { - var p = node, - q = node.R, - parent = p.U; - - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } - - q.U = parent; - p.U = q; - p.R = q.L; - if (p.R) p.R.U = p; - q.L = p; - } - - function RedBlackRotateRight(tree, node) { - var p = node, - q = node.L, - parent = p.U; - - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } - - q.U = parent; - p.U = q; - p.L = q.R; - if (p.L) p.L.U = p; - q.R = p; - } - - function RedBlackFirst(node) { - while (node.L) node = node.L; - return node; - } - - function createEdge(left, right, v0, v1) { - var edge = [null, null], - index = edges.push(edge) - 1; - edge.left = left; - edge.right = right; - if (v0) setEdgeEnd(edge, left, right, v0); - if (v1) setEdgeEnd(edge, right, left, v1); - cells[left.index].halfedges.push(index); - cells[right.index].halfedges.push(index); - return edge; - } - - function createBorderEdge(left, v0, v1) { - var edge = [v0, v1]; - edge.left = left; - return edge; - } - - function setEdgeEnd(edge, left, right, vertex) { - if (!edge[0] && !edge[1]) { - edge[0] = vertex; - edge.left = left; - edge.right = right; - } else if (edge.left === right) { - edge[1] = vertex; - } else { - edge[0] = vertex; - } - } - - // Liang–Barsky line clipping. - function clipEdge(edge, x0, y0, x1, y1) { - var a = edge[0], - b = edge[1], - ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; - - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? - - if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; - if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; - return true; - } - - function connectEdge(edge, x0, y0, x1, y1) { - var v1 = edge[1]; - if (v1) return true; - - var v0 = edge[0], - left = edge.left, - right = edge.right, - lx = left[0], - ly = left[1], - rx = right[0], - ry = right[1], - fx = (lx + rx) / 2, - fy = (ly + ry) / 2, - fm, - fb; - - if (ry === ly) { - if (fx < x0 || fx >= x1) return; - if (lx > rx) { - if (!v0) v0 = [fx, y0]; - else if (v0[1] >= y1) return; - v1 = [fx, y1]; - } else { - if (!v0) v0 = [fx, y1]; - else if (v0[1] < y0) return; - v1 = [fx, y0]; - } - } else { - fm = (lx - rx) / (ry - ly); - fb = fy - fm * fx; - if (fm < -1 || fm > 1) { - if (lx > rx) { - if (!v0) v0 = [(y0 - fb) / fm, y0]; - else if (v0[1] >= y1) return; - v1 = [(y1 - fb) / fm, y1]; - } else { - if (!v0) v0 = [(y1 - fb) / fm, y1]; - else if (v0[1] < y0) return; - v1 = [(y0 - fb) / fm, y0]; - } - } else { - if (ly < ry) { - if (!v0) v0 = [x0, fm * x0 + fb]; - else if (v0[0] >= x1) return; - v1 = [x1, fm * x1 + fb]; - } else { - if (!v0) v0 = [x1, fm * x1 + fb]; - else if (v0[0] < x0) return; - v1 = [x0, fm * x0 + fb]; - } - } - } - - edge[0] = v0; - edge[1] = v1; - return true; - } - - function clipEdges(x0, y0, x1, y1) { - var i = edges.length, - edge; - - while (i--) { - if (!connectEdge(edge = edges[i], x0, y0, x1, y1) - || !clipEdge(edge, x0, y0, x1, y1) - || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$4 - || Math.abs(edge[0][1] - edge[1][1]) > epsilon$4)) { - delete edges[i]; - } - } - } - - function createCell(site) { - return cells[site.index] = { - site: site, - halfedges: [] - }; - } - - function cellHalfedgeAngle(cell, edge) { - var site = cell.site, - va = edge.left, - vb = edge.right; - if (site === vb) vb = va, va = site; - if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); - if (site === va) va = edge[1], vb = edge[0]; - else va = edge[0], vb = edge[1]; - return Math.atan2(va[0] - vb[0], vb[1] - va[1]); - } - - function cellHalfedgeStart(cell, edge) { - return edge[+(edge.left !== cell.site)]; - } - - function cellHalfedgeEnd(cell, edge) { - return edge[+(edge.left === cell.site)]; - } - - function sortCellHalfedges() { - for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { - if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { - var index = new Array(m), - array = new Array(m); - for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); - index.sort(function(i, j) { return array[j] - array[i]; }); - for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; - for (j = 0; j < m; ++j) halfedges[j] = array[j]; - } - } - } - - function clipCells(x0, y0, x1, y1) { - var nCells = cells.length, - iCell, - cell, - site, - iHalfedge, - halfedges, - nHalfedges, - start, - startX, - startY, - end, - endX, - endY, - cover = true; - - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - halfedges = cell.halfedges; - iHalfedge = halfedges.length; - - // Remove any dangling clipped edges. - while (iHalfedge--) { - if (!edges[halfedges[iHalfedge]]) { - halfedges.splice(iHalfedge, 1); - } - } - - // Insert any border edges as necessary. - iHalfedge = 0, nHalfedges = halfedges.length; - while (iHalfedge < nHalfedges) { - end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; - start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; - if (Math.abs(endX - startX) > epsilon$4 || Math.abs(endY - startY) > epsilon$4) { - halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, - Math.abs(endX - x0) < epsilon$4 && y1 - endY > epsilon$4 ? [x0, Math.abs(startX - x0) < epsilon$4 ? startY : y1] - : Math.abs(endY - y1) < epsilon$4 && x1 - endX > epsilon$4 ? [Math.abs(startY - y1) < epsilon$4 ? startX : x1, y1] - : Math.abs(endX - x1) < epsilon$4 && endY - y0 > epsilon$4 ? [x1, Math.abs(startX - x1) < epsilon$4 ? startY : y0] - : Math.abs(endY - y0) < epsilon$4 && endX - x0 > epsilon$4 ? [Math.abs(startY - y0) < epsilon$4 ? startX : x0, y0] - : null)) - 1); - ++nHalfedges; - } - } - - if (nHalfedges) cover = false; - } - } - - // If there weren’t any edges, have the closest site cover the extent. - // It doesn’t matter which corner of the extent we measure! - if (cover) { - var dx, dy, d2, dc = Infinity; - - for (iCell = 0, cover = null; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - dx = site[0] - x0; - dy = site[1] - y0; - d2 = dx * dx + dy * dy; - if (d2 < dc) dc = d2, cover = cell; - } - } - - if (cover) { - var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; - cover.halfedges.push( - edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, - edges.push(createBorderEdge(site, v01, v11)) - 1, - edges.push(createBorderEdge(site, v11, v10)) - 1, - edges.push(createBorderEdge(site, v10, v00)) - 1 - ); - } - } - - // Lastly delete any cells with no edges; these were entirely clipped. - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - if (!cell.halfedges.length) { - delete cells[iCell]; - } - } - } - } - - var circlePool = []; - - var firstCircle; - - function Circle() { - RedBlackNode(this); - this.x = - this.y = - this.arc = - this.site = - this.cy = null; - } - - function attachCircle(arc) { - var lArc = arc.P, - rArc = arc.N; - - if (!lArc || !rArc) return; - - var lSite = lArc.site, - cSite = arc.site, - rSite = rArc.site; - - if (lSite === rSite) return; - - var bx = cSite[0], - by = cSite[1], - ax = lSite[0] - bx, - ay = lSite[1] - by, - cx = rSite[0] - bx, - cy = rSite[1] - by; - - var d = 2 * (ax * cy - ay * cx); - if (d >= -epsilon2$2) return; - - var ha = ax * ax + ay * ay, - hc = cx * cx + cy * cy, - x = (cy * ha - ay * hc) / d, - y = (ax * hc - cx * ha) / d; - - var circle = circlePool.pop() || new Circle; - circle.arc = arc; - circle.site = cSite; - circle.x = x + bx; - circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom - - arc.circle = circle; - - var before = null, - node = circles._; - - while (node) { - if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { - if (node.L) node = node.L; - else { before = node.P; break; } - } else { - if (node.R) node = node.R; - else { before = node; break; } - } - } - - circles.insert(before, circle); - if (!before) firstCircle = circle; - } - - function detachCircle(arc) { - var circle = arc.circle; - if (circle) { - if (!circle.P) firstCircle = circle.N; - circles.remove(circle); - circlePool.push(circle); - RedBlackNode(circle); - arc.circle = null; - } - } - - var beachPool = []; - - function Beach() { - RedBlackNode(this); - this.edge = - this.site = - this.circle = null; - } - - function createBeach(site) { - var beach = beachPool.pop() || new Beach; - beach.site = site; - return beach; - } - - function detachBeach(beach) { - detachCircle(beach); - beaches.remove(beach); - beachPool.push(beach); - RedBlackNode(beach); - } - - function removeBeach(beach) { - var circle = beach.circle, - x = circle.x, - y = circle.cy, - vertex = [x, y], - previous = beach.P, - next = beach.N, - disappearing = [beach]; - - detachBeach(beach); - - var lArc = previous; - while (lArc.circle - && Math.abs(x - lArc.circle.x) < epsilon$4 - && Math.abs(y - lArc.circle.cy) < epsilon$4) { - previous = lArc.P; - disappearing.unshift(lArc); - detachBeach(lArc); - lArc = previous; - } - - disappearing.unshift(lArc); - detachCircle(lArc); - - var rArc = next; - while (rArc.circle - && Math.abs(x - rArc.circle.x) < epsilon$4 - && Math.abs(y - rArc.circle.cy) < epsilon$4) { - next = rArc.N; - disappearing.push(rArc); - detachBeach(rArc); - rArc = next; - } - - disappearing.push(rArc); - detachCircle(rArc); - - var nArcs = disappearing.length, - iArc; - for (iArc = 1; iArc < nArcs; ++iArc) { - rArc = disappearing[iArc]; - lArc = disappearing[iArc - 1]; - setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); - } - - lArc = disappearing[0]; - rArc = disappearing[nArcs - 1]; - rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); - - attachCircle(lArc); - attachCircle(rArc); - } - - function addBeach(site) { - var x = site[0], - directrix = site[1], - lArc, - rArc, - dxl, - dxr, - node = beaches._; - - while (node) { - dxl = leftBreakPoint(node, directrix) - x; - if (dxl > epsilon$4) node = node.L; else { - dxr = x - rightBreakPoint(node, directrix); - if (dxr > epsilon$4) { - if (!node.R) { - lArc = node; - break; - } - node = node.R; - } else { - if (dxl > -epsilon$4) { - lArc = node.P; - rArc = node; - } else if (dxr > -epsilon$4) { - lArc = node; - rArc = node.N; - } else { - lArc = rArc = node; - } - break; - } - } - } - - createCell(site); - var newArc = createBeach(site); - beaches.insert(lArc, newArc); - - if (!lArc && !rArc) return; - - if (lArc === rArc) { - detachCircle(lArc); - rArc = createBeach(lArc.site); - beaches.insert(newArc, rArc); - newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); - attachCircle(lArc); - attachCircle(rArc); - return; - } - - if (!rArc) { // && lArc - newArc.edge = createEdge(lArc.site, newArc.site); - return; - } - - // else lArc !== rArc - detachCircle(lArc); - detachCircle(rArc); - - var lSite = lArc.site, - ax = lSite[0], - ay = lSite[1], - bx = site[0] - ax, - by = site[1] - ay, - rSite = rArc.site, - cx = rSite[0] - ax, - cy = rSite[1] - ay, - d = 2 * (bx * cy - by * cx), - hb = bx * bx + by * by, - hc = cx * cx + cy * cy, - vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; - - setEdgeEnd(rArc.edge, lSite, rSite, vertex); - newArc.edge = createEdge(lSite, site, null, vertex); - rArc.edge = createEdge(site, rSite, null, vertex); - attachCircle(lArc); - attachCircle(rArc); - } - - function leftBreakPoint(arc, directrix) { - var site = arc.site, - rfocx = site[0], - rfocy = site[1], - pby2 = rfocy - directrix; - - if (!pby2) return rfocx; - - var lArc = arc.P; - if (!lArc) return -Infinity; - - site = lArc.site; - var lfocx = site[0], - lfocy = site[1], - plby2 = lfocy - directrix; - - if (!plby2) return lfocx; - - var hl = lfocx - rfocx, - aby2 = 1 / pby2 - 1 / plby2, - b = hl / plby2; - - if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; - - return (rfocx + lfocx) / 2; - } - - function rightBreakPoint(arc, directrix) { - var rArc = arc.N; - if (rArc) return leftBreakPoint(rArc, directrix); - var site = arc.site; - return site[1] === directrix ? site[0] : Infinity; - } - - var epsilon$4 = 1e-6; - var epsilon2$2 = 1e-12; - var beaches; - var cells; - var circles; - var edges; - - function triangleArea(a, b, c) { - return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); - } - - function lexicographic(a, b) { - return b[1] - a[1] - || b[0] - a[0]; - } - - function Diagram(sites, extent) { - var site = sites.sort(lexicographic).pop(), - x, - y, - circle; - - edges = []; - cells = new Array(sites.length); - beaches = new RedBlackTree; - circles = new RedBlackTree; - - while (true) { - circle = firstCircle; - if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { - if (site[0] !== x || site[1] !== y) { - addBeach(site); - x = site[0], y = site[1]; - } - site = sites.pop(); - } else if (circle) { - removeBeach(circle.arc); - } else { - break; - } - } - - sortCellHalfedges(); - - if (extent) { - var x0 = +extent[0][0], - y0 = +extent[0][1], - x1 = +extent[1][0], - y1 = +extent[1][1]; - clipEdges(x0, y0, x1, y1); - clipCells(x0, y0, x1, y1); - } - - this.edges = edges; - this.cells = cells; - - beaches = - circles = - edges = - cells = null; - } - - Diagram.prototype = { - constructor: Diagram, - - polygons: function() { - var edges = this.edges; - - return this.cells.map(function(cell) { - var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); - polygon.data = cell.site.data; - return polygon; - }); - }, - - triangles: function() { - var triangles = [], - edges = this.edges; - - this.cells.forEach(function(cell, i) { - if (!(m = (halfedges = cell.halfedges).length)) return; - var site = cell.site, - halfedges, - j = -1, - m, - s0, - e1 = edges[halfedges[m - 1]], - s1 = e1.left === site ? e1.right : e1.left; - - while (++j < m) { - s0 = s1; - e1 = edges[halfedges[j]]; - s1 = e1.left === site ? e1.right : e1.left; - if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { - triangles.push([site.data, s0.data, s1.data]); - } - } - }); - - return triangles; - }, - - links: function() { - return this.edges.filter(function(edge) { - return edge.right; - }).map(function(edge) { - return { - source: edge.left.data, - target: edge.right.data - }; - }); - }, - - find: function(x, y, radius) { - var that = this, i0, i1 = that._found || 0, n = that.cells.length, cell; - - // Use the previously-found cell, or start with an arbitrary one. - while (!(cell = that.cells[i1])) if (++i1 >= n) return null; - var dx = x - cell.site[0], dy = y - cell.site[1], d2 = dx * dx + dy * dy; - - // Traverse the half-edges to find a closer cell, if any. - do { - cell = that.cells[i0 = i1], i1 = null; - cell.halfedges.forEach(function(e) { - var edge = that.edges[e], v = edge.left; - if ((v === cell.site || !v) && !(v = edge.right)) return; - var vx = x - v[0], vy = y - v[1], v2 = vx * vx + vy * vy; - if (v2 < d2) d2 = v2, i1 = v.index; - }); - } while (i1 !== null); - - that._found = i0; - - return radius == null || d2 <= radius * radius ? cell.site : null; - } - }; - - function voronoi() { - var x = x$4, - y = y$4, - extent = null; - - function voronoi(data) { - return new Diagram(data.map(function(d, i) { - var s = [Math.round(x(d, i, data) / epsilon$4) * epsilon$4, Math.round(y(d, i, data) / epsilon$4) * epsilon$4]; - s.index = i; - s.data = d; - return s; - }), extent); - } - - voronoi.polygons = function(data) { - return voronoi(data).polygons(); - }; - - voronoi.links = function(data) { - return voronoi(data).links(); - }; - - voronoi.triangles = function(data) { - return voronoi(data).triangles(); - }; - - voronoi.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$c(+_), voronoi) : x; - }; - - voronoi.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$c(+_), voronoi) : y; - }; - - voronoi.extent = function(_) { - return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; - }; - - voronoi.size = function(_) { - return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; - }; - - return voronoi; - } - - function constant$d(x) { - return function() { - return x; - }; - } - - function ZoomEvent(target, type, transform) { - this.target = target; - this.type = type; - this.transform = transform; - } - - function Transform(k, x, y) { - this.k = k; - this.x = x; - this.y = y; - } - - Transform.prototype = { - constructor: Transform, - scale: function(k) { - return k === 1 ? this : new Transform(this.k * k, this.x, this.y); - }, - translate: function(x, y) { - return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); - }, - apply: function(point) { - return [point[0] * this.k + this.x, point[1] * this.k + this.y]; - }, - applyX: function(x) { - return x * this.k + this.x; - }, - applyY: function(y) { - return y * this.k + this.y; - }, - invert: function(location) { - return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; - }, - invertX: function(x) { - return (x - this.x) / this.k; - }, - invertY: function(y) { - return (y - this.y) / this.k; - }, - rescaleX: function(x) { - return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); - }, - rescaleY: function(y) { - return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); - }, - toString: function() { - return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; - } - }; - - var identity$9 = new Transform(1, 0, 0); - - transform$1.prototype = Transform.prototype; - - function transform$1(node) { - while (!node.__zoom) if (!(node = node.parentNode)) return identity$9; - return node.__zoom; - } - - function nopropagation$2() { - event.stopImmediatePropagation(); - } - - function noevent$2() { - event.preventDefault(); - event.stopImmediatePropagation(); - } - - // Ignore right-click, since that should open the context menu. - function defaultFilter$2() { - return !event.ctrlKey && !event.button; - } - - function defaultExtent$1() { - var e = this; - if (e instanceof SVGElement) { - e = e.ownerSVGElement || e; - if (e.hasAttribute("viewBox")) { - e = e.viewBox.baseVal; - return [[e.x, e.y], [e.x + e.width, e.y + e.height]]; - } - return [[0, 0], [e.width.baseVal.value, e.height.baseVal.value]]; - } - return [[0, 0], [e.clientWidth, e.clientHeight]]; - } - - function defaultTransform() { - return this.__zoom || identity$9; - } - - function defaultWheelDelta() { - return -event.deltaY * (event.deltaMode === 1 ? 0.05 : event.deltaMode ? 1 : 0.002); - } - - function defaultTouchable$2() { - return navigator.maxTouchPoints || ("ontouchstart" in this); - } - - function defaultConstrain(transform, extent, translateExtent) { - var dx0 = transform.invertX(extent[0][0]) - translateExtent[0][0], - dx1 = transform.invertX(extent[1][0]) - translateExtent[1][0], - dy0 = transform.invertY(extent[0][1]) - translateExtent[0][1], - dy1 = transform.invertY(extent[1][1]) - translateExtent[1][1]; - return transform.translate( - dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), - dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) - ); - } - - function zoom() { - var filter = defaultFilter$2, - extent = defaultExtent$1, - constrain = defaultConstrain, - wheelDelta = defaultWheelDelta, - touchable = defaultTouchable$2, - scaleExtent = [0, Infinity], - translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], - duration = 250, - interpolate = interpolateZoom, - listeners = dispatch("start", "zoom", "end"), - touchstarting, - touchending, - touchDelay = 500, - wheelDelay = 150, - clickDistance2 = 0; - - function zoom(selection) { - selection - .property("__zoom", defaultTransform) - .on("wheel.zoom", wheeled) - .on("mousedown.zoom", mousedowned) - .on("dblclick.zoom", dblclicked) - .filter(touchable) - .on("touchstart.zoom", touchstarted) - .on("touchmove.zoom", touchmoved) - .on("touchend.zoom touchcancel.zoom", touchended) - .style("touch-action", "none") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } - - zoom.transform = function(collection, transform, point) { - var selection = collection.selection ? collection.selection() : collection; - selection.property("__zoom", defaultTransform); - if (collection !== selection) { - schedule(collection, transform, point); - } else { - selection.interrupt().each(function() { - gesture(this, arguments) - .start() - .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) - .end(); - }); - } - }; - - zoom.scaleBy = function(selection, k, p) { - zoom.scaleTo(selection, function() { - var k0 = this.__zoom.k, - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return k0 * k1; - }, p); - }; - - zoom.scaleTo = function(selection, k, p) { - zoom.transform(selection, function() { - var e = extent.apply(this, arguments), - t0 = this.__zoom, - p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p, - p1 = t0.invert(p0), - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent); - }, p); - }; - - zoom.translateBy = function(selection, x, y) { - zoom.transform(selection, function() { - return constrain(this.__zoom.translate( - typeof x === "function" ? x.apply(this, arguments) : x, - typeof y === "function" ? y.apply(this, arguments) : y - ), extent.apply(this, arguments), translateExtent); - }); - }; - - zoom.translateTo = function(selection, x, y, p) { - zoom.transform(selection, function() { - var e = extent.apply(this, arguments), - t = this.__zoom, - p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p; - return constrain(identity$9.translate(p0[0], p0[1]).scale(t.k).translate( - typeof x === "function" ? -x.apply(this, arguments) : -x, - typeof y === "function" ? -y.apply(this, arguments) : -y - ), e, translateExtent); - }, p); - }; - - function scale(transform, k) { - k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k)); - return k === transform.k ? transform : new Transform(k, transform.x, transform.y); - } - - function translate(transform, p0, p1) { - var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; - return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); - } - - function centroid(extent) { - return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; - } - - function schedule(transition, transform, point) { - transition - .on("start.zoom", function() { gesture(this, arguments).start(); }) - .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) - .tween("zoom", function() { - var that = this, - args = arguments, - g = gesture(that, args), - e = extent.apply(that, args), - p = point == null ? centroid(e) : typeof point === "function" ? point.apply(that, args) : point, - w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), - a = that.__zoom, - b = typeof transform === "function" ? transform.apply(that, args) : transform, - i = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); - return function(t) { - if (t === 1) t = b; // Avoid rounding error on end. - else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } - g.zoom(null, t); - }; - }); - } - - function gesture(that, args, clean) { - return (!clean && that.__zooming) || new Gesture(that, args); - } - - function Gesture(that, args) { - this.that = that; - this.args = args; - this.active = 0; - this.extent = extent.apply(that, args); - this.taps = 0; - } - - Gesture.prototype = { - start: function() { - if (++this.active === 1) { - this.that.__zooming = this; - this.emit("start"); - } - return this; - }, - zoom: function(key, transform) { - if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); - if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); - if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); - this.that.__zoom = transform; - this.emit("zoom"); - return this; - }, - end: function() { - if (--this.active === 0) { - delete this.that.__zooming; - this.emit("end"); - } - return this; - }, - emit: function(type) { - customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); - } - }; - - function wheeled() { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - t = this.__zoom, - k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), - p = mouse(this); - - // If the mouse is in the same location as before, reuse it. - // If there were recent wheel events, reset the wheel idle timeout. - if (g.wheel) { - if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { - g.mouse[1] = t.invert(g.mouse[0] = p); - } - clearTimeout(g.wheel); - } - - // If this wheel event won’t trigger a transform change, ignore it. - else if (t.k === k) return; - - // Otherwise, capture the mouse point and location at the start. - else { - g.mouse = [p, t.invert(p)]; - interrupt(this); - g.start(); - } - - noevent$2(); - g.wheel = setTimeout(wheelidled, wheelDelay); - g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent)); - - function wheelidled() { - g.wheel = null; - g.end(); - } - } - - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, arguments, true), - v = select(event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this), - x0 = event.clientX, - y0 = event.clientY; - - dragDisable(event.view); - nopropagation$2(); - g.mouse = [p, this.__zoom.invert(p)]; - interrupt(this); - g.start(); - - function mousemoved() { - noevent$2(); - if (!g.moved) { - var dx = event.clientX - x0, dy = event.clientY - y0; - g.moved = dx * dx + dy * dy > clickDistance2; - } - g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent, translateExtent)); - } - - function mouseupped() { - v.on("mousemove.zoom mouseup.zoom", null); - yesdrag(event.view, g.moved); - noevent$2(); - g.end(); - } - } - - function dblclicked() { - if (!filter.apply(this, arguments)) return; - var t0 = this.__zoom, - p0 = mouse(this), - p1 = t0.invert(p0), - k1 = t0.k * (event.shiftKey ? 0.5 : 2), - t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments), translateExtent); - - noevent$2(); - if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); - else select(this).call(zoom.transform, t1); - } - - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var touches = event.touches, - n = touches.length, - g = gesture(this, arguments, event.changedTouches.length === n), - started, i, t, p; - - nopropagation$2(); - for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); - p = [p, this.__zoom.invert(p), t.identifier]; - if (!g.touch0) g.touch0 = p, started = true, g.taps = 1 + !!touchstarting; - else if (!g.touch1 && g.touch0[2] !== p[2]) g.touch1 = p, g.taps = 0; - } - - if (touchstarting) touchstarting = clearTimeout(touchstarting); - - if (started) { - if (g.taps < 2) touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); - interrupt(this); - g.start(); - } - } - - function touchmoved() { - if (!this.__zooming) return; - var g = gesture(this, arguments), - touches = event.changedTouches, - n = touches.length, i, t, p, l; - - noevent$2(); - if (touchstarting) touchstarting = clearTimeout(touchstarting); - g.taps = 0; - for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); - if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; - else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; - } - t = g.that.__zoom; - if (g.touch1) { - var p0 = g.touch0[0], l0 = g.touch0[1], - p1 = g.touch1[0], l1 = g.touch1[1], - dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, - dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; - t = scale(t, Math.sqrt(dp / dl)); - p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; - l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; - } - else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; - else return; - g.zoom("touch", constrain(translate(t, p, l), g.extent, translateExtent)); - } - - function touchended() { - if (!this.__zooming) return; - var g = gesture(this, arguments), - touches = event.changedTouches, - n = touches.length, i, t; - - nopropagation$2(); - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, touchDelay); - for (i = 0; i < n; ++i) { - t = touches[i]; - if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; - else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; - } - if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; - if (g.touch0) g.touch0[1] = this.__zoom.invert(g.touch0[0]); - else { - g.end(); - // If this was a dbltap, reroute to the (optional) dblclick.zoom handler. - if (g.taps === 2) { - var p = select(this).on("dblclick.zoom"); - if (p) p.apply(this, arguments); - } - } - } - - zoom.wheelDelta = function(_) { - return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$d(+_), zoom) : wheelDelta; - }; - - zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$d(!!_), zoom) : filter; - }; - - zoom.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$d(!!_), zoom) : touchable; - }; - - zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$d([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; - }; - - zoom.scaleExtent = function(_) { - return arguments.length ? (scaleExtent[0] = +_[0], scaleExtent[1] = +_[1], zoom) : [scaleExtent[0], scaleExtent[1]]; - }; - - zoom.translateExtent = function(_) { - return arguments.length ? (translateExtent[0][0] = +_[0][0], translateExtent[1][0] = +_[1][0], translateExtent[0][1] = +_[0][1], translateExtent[1][1] = +_[1][1], zoom) : [[translateExtent[0][0], translateExtent[0][1]], [translateExtent[1][0], translateExtent[1][1]]]; - }; - - zoom.constrain = function(_) { - return arguments.length ? (constrain = _, zoom) : constrain; - }; - - zoom.duration = function(_) { - return arguments.length ? (duration = +_, zoom) : duration; - }; - - zoom.interpolate = function(_) { - return arguments.length ? (interpolate = _, zoom) : interpolate; - }; - - zoom.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? zoom : value; - }; - - zoom.clickDistance = function(_) { - return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); - }; - - return zoom; - } - - var d3 = /*#__PURE__*/Object.freeze({ - __proto__: null, - version: version, - bisect: bisectRight, - bisectRight: bisectRight, - bisectLeft: bisectLeft, - ascending: ascending, - bisector: bisector, - cross: cross, - descending: descending, - deviation: deviation, - extent: extent, - histogram: histogram, - thresholdFreedmanDiaconis: freedmanDiaconis, - thresholdScott: scott, - thresholdSturges: thresholdSturges, - max: max, - mean: mean, - median: median, - merge: merge, - min: min, - pairs: pairs, - permute: permute, - quantile: threshold, - range: sequence, - scan: scan, - shuffle: shuffle, - sum: sum, - ticks: ticks, - tickIncrement: tickIncrement, - tickStep: tickStep, - transpose: transpose, - variance: variance, - zip: zip, - axisTop: axisTop, - axisRight: axisRight, - axisBottom: axisBottom, - axisLeft: axisLeft, - brush: brush, - brushX: brushX, - brushY: brushY, - brushSelection: brushSelection, - chord: chord, - ribbon: ribbon, - nest: nest, - set: set$2, - map: map$1, - keys: keys, - values: values, - entries: entries, - color: color, - rgb: rgb, - hsl: hsl, - lab: lab, - hcl: hcl, - lch: lch, - gray: gray, - cubehelix: cubehelix, - contours: contours, - contourDensity: density, - dispatch: dispatch, - drag: drag, - dragDisable: dragDisable, - dragEnable: yesdrag, - dsvFormat: dsvFormat, - csvParse: csvParse, - csvParseRows: csvParseRows, - csvFormat: csvFormat, - csvFormatBody: csvFormatBody, - csvFormatRows: csvFormatRows, - csvFormatRow: csvFormatRow, - csvFormatValue: csvFormatValue, - tsvParse: tsvParse, - tsvParseRows: tsvParseRows, - tsvFormat: tsvFormat, - tsvFormatBody: tsvFormatBody, - tsvFormatRows: tsvFormatRows, - tsvFormatRow: tsvFormatRow, - tsvFormatValue: tsvFormatValue, - autoType: autoType, - easeLinear: linear$1, - easeQuad: quadInOut, - easeQuadIn: quadIn, - easeQuadOut: quadOut, - easeQuadInOut: quadInOut, - easeCubic: cubicInOut, - easeCubicIn: cubicIn, - easeCubicOut: cubicOut, - easeCubicInOut: cubicInOut, - easePoly: polyInOut, - easePolyIn: polyIn, - easePolyOut: polyOut, - easePolyInOut: polyInOut, - easeSin: sinInOut, - easeSinIn: sinIn, - easeSinOut: sinOut, - easeSinInOut: sinInOut, - easeExp: expInOut, - easeExpIn: expIn, - easeExpOut: expOut, - easeExpInOut: expInOut, - easeCircle: circleInOut, - easeCircleIn: circleIn, - easeCircleOut: circleOut, - easeCircleInOut: circleInOut, - easeBounce: bounceOut, - easeBounceIn: bounceIn, - easeBounceOut: bounceOut, - easeBounceInOut: bounceInOut, - easeBack: backInOut, - easeBackIn: backIn, - easeBackOut: backOut, - easeBackInOut: backInOut, - easeElastic: elasticOut, - easeElasticIn: elasticIn, - easeElasticOut: elasticOut, - easeElasticInOut: elasticInOut, - blob: blob, - buffer: buffer, - dsv: dsv, - csv: csv$1, - tsv: tsv$1, - image: image, - json: json, - text: text, - xml: xml, - html: html, - svg: svg, - forceCenter: center$1, - forceCollide: collide, - forceLink: link, - forceManyBody: manyBody, - forceRadial: radial, - forceSimulation: simulation, - forceX: x$2, - forceY: y$2, - formatDefaultLocale: defaultLocale, - get format () { return format; }, - get formatPrefix () { return formatPrefix; }, - formatLocale: formatLocale, - formatSpecifier: formatSpecifier, - FormatSpecifier: FormatSpecifier, - precisionFixed: precisionFixed, - precisionPrefix: precisionPrefix, - precisionRound: precisionRound, - geoArea: area$1, - geoBounds: bounds, - geoCentroid: centroid, - geoCircle: circle, - geoClipAntimeridian: clipAntimeridian, - geoClipCircle: clipCircle, - geoClipExtent: extent$1, - geoClipRectangle: clipRectangle, - geoContains: contains$1, - geoDistance: distance, - geoGraticule: graticule, - geoGraticule10: graticule10, - geoInterpolate: interpolate$1, - geoLength: length$1, - geoPath: index$1, - geoAlbers: albers, - geoAlbersUsa: albersUsa, - geoAzimuthalEqualArea: azimuthalEqualArea, - geoAzimuthalEqualAreaRaw: azimuthalEqualAreaRaw, - geoAzimuthalEquidistant: azimuthalEquidistant, - geoAzimuthalEquidistantRaw: azimuthalEquidistantRaw, - geoConicConformal: conicConformal, - geoConicConformalRaw: conicConformalRaw, - geoConicEqualArea: conicEqualArea, - geoConicEqualAreaRaw: conicEqualAreaRaw, - geoConicEquidistant: conicEquidistant, - geoConicEquidistantRaw: conicEquidistantRaw, - geoEqualEarth: equalEarth, - geoEqualEarthRaw: equalEarthRaw, - geoEquirectangular: equirectangular, - geoEquirectangularRaw: equirectangularRaw, - geoGnomonic: gnomonic, - geoGnomonicRaw: gnomonicRaw, - geoIdentity: identity$5, - geoProjection: projection, - geoProjectionMutator: projectionMutator, - geoMercator: mercator, - geoMercatorRaw: mercatorRaw, - geoNaturalEarth1: naturalEarth1, - geoNaturalEarth1Raw: naturalEarth1Raw, - geoOrthographic: orthographic, - geoOrthographicRaw: orthographicRaw, - geoStereographic: stereographic, - geoStereographicRaw: stereographicRaw, - geoTransverseMercator: transverseMercator, - geoTransverseMercatorRaw: transverseMercatorRaw, - geoRotation: rotation, - geoStream: geoStream, - geoTransform: transform, - cluster: cluster, - hierarchy: hierarchy, - pack: index$2, - packSiblings: siblings, - packEnclose: enclose, - partition: partition, - stratify: stratify, - tree: tree, - treemap: index$3, - treemapBinary: binary, - treemapDice: treemapDice, - treemapSlice: treemapSlice, - treemapSliceDice: sliceDice, - treemapSquarify: squarify, - treemapResquarify: resquarify, - interpolate: interpolateValue, - interpolateArray: array$1, - interpolateBasis: basis$1, - interpolateBasisClosed: basisClosed, - interpolateDate: date, - interpolateDiscrete: discrete, - interpolateHue: hue$1, - interpolateNumber: interpolateNumber, - interpolateNumberArray: numberArray, - interpolateObject: object, - interpolateRound: interpolateRound, - interpolateString: interpolateString, - interpolateTransformCss: interpolateTransformCss, - interpolateTransformSvg: interpolateTransformSvg, - interpolateZoom: interpolateZoom, - interpolateRgb: interpolateRgb, - interpolateRgbBasis: rgbBasis, - interpolateRgbBasisClosed: rgbBasisClosed, - interpolateHsl: hsl$2, - interpolateHslLong: hslLong, - interpolateLab: lab$1, - interpolateHcl: hcl$2, - interpolateHclLong: hclLong, - interpolateCubehelix: cubehelix$2, - interpolateCubehelixLong: cubehelixLong, - piecewise: piecewise, - quantize: quantize, - path: path, - polygonArea: area$2, - polygonCentroid: centroid$1, - polygonHull: hull, - polygonContains: contains$2, - polygonLength: length$2, - quadtree: quadtree, - randomUniform: uniform, - randomNormal: normal, - randomLogNormal: logNormal, - randomBates: bates, - randomIrwinHall: irwinHall, - randomExponential: exponential$1, - scaleBand: band, - scalePoint: point$1, - scaleIdentity: identity$7, - scaleLinear: linear$2, - scaleLog: log$1, - scaleSymlog: symlog, - scaleOrdinal: ordinal, - scaleImplicit: implicit, - scalePow: pow$1, - scaleSqrt: sqrt$1, - scaleQuantile: quantile, - scaleQuantize: quantize$1, - scaleThreshold: threshold$1, - scaleTime: time, - scaleUtc: utcTime, - scaleSequential: sequential, - scaleSequentialLog: sequentialLog, - scaleSequentialPow: sequentialPow, - scaleSequentialSqrt: sequentialSqrt, - scaleSequentialSymlog: sequentialSymlog, - scaleSequentialQuantile: sequentialQuantile, - scaleDiverging: diverging, - scaleDivergingLog: divergingLog, - scaleDivergingPow: divergingPow, - scaleDivergingSqrt: divergingSqrt, - scaleDivergingSymlog: divergingSymlog, - tickFormat: tickFormat, - schemeCategory10: category10, - schemeAccent: Accent, - schemeDark2: Dark2, - schemePaired: Paired, - schemePastel1: Pastel1, - schemePastel2: Pastel2, - schemeSet1: Set1, - schemeSet2: Set2, - schemeSet3: Set3, - schemeTableau10: Tableau10, - interpolateBrBG: BrBG, - schemeBrBG: scheme, - interpolatePRGn: PRGn, - schemePRGn: scheme$1, - interpolatePiYG: PiYG, - schemePiYG: scheme$2, - interpolatePuOr: PuOr, - schemePuOr: scheme$3, - interpolateRdBu: RdBu, - schemeRdBu: scheme$4, - interpolateRdGy: RdGy, - schemeRdGy: scheme$5, - interpolateRdYlBu: RdYlBu, - schemeRdYlBu: scheme$6, - interpolateRdYlGn: RdYlGn, - schemeRdYlGn: scheme$7, - interpolateSpectral: Spectral, - schemeSpectral: scheme$8, - interpolateBuGn: BuGn, - schemeBuGn: scheme$9, - interpolateBuPu: BuPu, - schemeBuPu: scheme$a, - interpolateGnBu: GnBu, - schemeGnBu: scheme$b, - interpolateOrRd: OrRd, - schemeOrRd: scheme$c, - interpolatePuBuGn: PuBuGn, - schemePuBuGn: scheme$d, - interpolatePuBu: PuBu, - schemePuBu: scheme$e, - interpolatePuRd: PuRd, - schemePuRd: scheme$f, - interpolateRdPu: RdPu, - schemeRdPu: scheme$g, - interpolateYlGnBu: YlGnBu, - schemeYlGnBu: scheme$h, - interpolateYlGn: YlGn, - schemeYlGn: scheme$i, - interpolateYlOrBr: YlOrBr, - schemeYlOrBr: scheme$j, - interpolateYlOrRd: YlOrRd, - schemeYlOrRd: scheme$k, - interpolateBlues: Blues, - schemeBlues: scheme$l, - interpolateGreens: Greens, - schemeGreens: scheme$m, - interpolateGreys: Greys, - schemeGreys: scheme$n, - interpolatePurples: Purples, - schemePurples: scheme$o, - interpolateReds: Reds, - schemeReds: scheme$p, - interpolateOranges: Oranges, - schemeOranges: scheme$q, - interpolateCividis: cividis, - interpolateCubehelixDefault: cubehelix$3, - interpolateRainbow: rainbow, - interpolateWarm: warm, - interpolateCool: cool, - interpolateSinebow: sinebow, - interpolateTurbo: turbo, - interpolateViridis: viridis, - interpolateMagma: magma, - interpolateInferno: inferno, - interpolatePlasma: plasma, - create: create, - creator: creator, - local: local, - matcher: matcher, - mouse: mouse, - namespace: namespace, - namespaces: namespaces, - clientPoint: point, - select: select, - selectAll: selectAll, - selection: selection, - selector: selector, - selectorAll: selectorAll, - style: styleValue, - touch: touch, - touches: touches, - window: defaultView, - get event () { return event; }, - customEvent: customEvent, - arc: arc, - area: area$3, - line: line, - pie: pie, - areaRadial: areaRadial, - radialArea: areaRadial, - lineRadial: lineRadial$1, - radialLine: lineRadial$1, - pointRadial: pointRadial, - linkHorizontal: linkHorizontal, - linkVertical: linkVertical, - linkRadial: linkRadial, - symbol: symbol, - symbols: symbols, - symbolCircle: circle$2, - symbolCross: cross$2, - symbolDiamond: diamond, - symbolSquare: square, - symbolStar: star, - symbolTriangle: triangle, - symbolWye: wye, - curveBasisClosed: basisClosed$1, - curveBasisOpen: basisOpen, - curveBasis: basis$2, - curveBundle: bundle, - curveCardinalClosed: cardinalClosed, - curveCardinalOpen: cardinalOpen, - curveCardinal: cardinal, - curveCatmullRomClosed: catmullRomClosed, - curveCatmullRomOpen: catmullRomOpen, - curveCatmullRom: catmullRom, - curveLinearClosed: linearClosed, - curveLinear: curveLinear, - curveMonotoneX: monotoneX, - curveMonotoneY: monotoneY, - curveNatural: natural, - curveStep: step, - curveStepAfter: stepAfter, - curveStepBefore: stepBefore, - stack: stack, - stackOffsetExpand: expand, - stackOffsetDiverging: diverging$1, - stackOffsetNone: none$1, - stackOffsetSilhouette: silhouette, - stackOffsetWiggle: wiggle, - stackOrderAppearance: appearance, - stackOrderAscending: ascending$3, - stackOrderDescending: descending$2, - stackOrderInsideOut: insideOut, - stackOrderNone: none$2, - stackOrderReverse: reverse, - timeInterval: newInterval, - timeMillisecond: millisecond, - timeMilliseconds: milliseconds, - utcMillisecond: millisecond, - utcMilliseconds: milliseconds, - timeSecond: second, - timeSeconds: seconds, - utcSecond: second, - utcSeconds: seconds, - timeMinute: minute, - timeMinutes: minutes, - timeHour: hour, - timeHours: hours, - timeDay: day, - timeDays: days, - timeWeek: sunday, - timeWeeks: sundays, - timeSunday: sunday, - timeSundays: sundays, - timeMonday: monday, - timeMondays: mondays, - timeTuesday: tuesday, - timeTuesdays: tuesdays, - timeWednesday: wednesday, - timeWednesdays: wednesdays, - timeThursday: thursday, - timeThursdays: thursdays, - timeFriday: friday, - timeFridays: fridays, - timeSaturday: saturday, - timeSaturdays: saturdays, - timeMonth: month, - timeMonths: months, - timeYear: year, - timeYears: years, - utcMinute: utcMinute, - utcMinutes: utcMinutes, - utcHour: utcHour, - utcHours: utcHours, - utcDay: utcDay, - utcDays: utcDays, - utcWeek: utcSunday, - utcWeeks: utcSundays, - utcSunday: utcSunday, - utcSundays: utcSundays, - utcMonday: utcMonday, - utcMondays: utcMondays, - utcTuesday: utcTuesday, - utcTuesdays: utcTuesdays, - utcWednesday: utcWednesday, - utcWednesdays: utcWednesdays, - utcThursday: utcThursday, - utcThursdays: utcThursdays, - utcFriday: utcFriday, - utcFridays: utcFridays, - utcSaturday: utcSaturday, - utcSaturdays: utcSaturdays, - utcMonth: utcMonth, - utcMonths: utcMonths, - utcYear: utcYear, - utcYears: utcYears, - timeFormatDefaultLocale: defaultLocale$1, - get timeFormat () { return timeFormat; }, - get timeParse () { return timeParse; }, - get utcFormat () { return utcFormat; }, - get utcParse () { return utcParse; }, - timeFormatLocale: formatLocale$1, - isoFormat: formatIso, - isoParse: parseIso, - now: now, - timer: timer, - timerFlush: timerFlush, - timeout: timeout$1, - interval: interval$1, - transition: transition, - active: active, - interrupt: interrupt, - voronoi: voronoi, - zoom: zoom, - zoomTransform: transform$1, - zoomIdentity: identity$9 - }); - - var version$1 = "2.1.1"; - - const defaults = Object.freeze({ - children: data => data.children, - nodeSize: node => node.data.size, - spacing: 0, - }); - - // Create a layout function with customizable options. Per D3-style, the - // options can be set at any time using setter methods. The layout function - // will compute the tree node positions based on the options in effect at the - // time it is called. - function flextree(options) { - const opts = Object.assign({}, defaults, options); - function accessor(name) { - const opt = opts[name]; - return typeof opt === 'function' ? opt : () => opt; - } - - function layout(tree) { - const wtree = wrap(getWrapper(), tree, node=>node.children); - wtree.update(); - return wtree.data; - } - - function getFlexNode() { - const nodeSize = accessor('nodeSize'); - const spacing = accessor('spacing'); - return class FlexNode extends hierarchy.prototype.constructor { - constructor(data) { - super(data); - } - copy() { - const c = wrap(this.constructor, this, node=>node.children); - c.each(node => node.data = node.data.data); - return c; - } - get size() { return nodeSize(this); } - spacing(oNode) { return spacing(this, oNode); } - get nodes() { return this.descendants(); } - get xSize() { return this.size[0]; } - get ySize() { return this.size[1]; } - get top() { return this.y; } - get bottom() { return this.y + this.ySize; } - get left() { return this.x - this.xSize / 2; } - get right() { return this.x + this.xSize / 2; } - get root() { - const ancs = this.ancestors(); - return ancs[ancs.length - 1]; - } - get numChildren() { - return this.hasChildren ? this.children.length : 0; - } - get hasChildren() { return !this.noChildren; } - get noChildren() { return this.children === null; } - get firstChild() { - return this.hasChildren ? this.children[0] : null; - } - get lastChild() { - return this.hasChildren ? this.children[this.numChildren - 1] : null; - } - get extents() { - return (this.children || []).reduce( - (acc, kid) => FlexNode.maxExtents(acc, kid.extents), - this.nodeExtents); - } - get nodeExtents() { - return { - top: this.top, - bottom: this.bottom, - left: this.left, - right: this.right, - }; - } - static maxExtents(e0, e1) { - return { - top: Math.min(e0.top, e1.top), - bottom: Math.max(e0.bottom, e1.bottom), - left: Math.min(e0.left, e1.left), - right: Math.max(e0.right, e1.right), - }; - } - }; - } - - function getWrapper() { - const FlexNode = getFlexNode(); - const nodeSize = accessor('nodeSize'); - const spacing = accessor('spacing'); - return class extends FlexNode { - constructor(data) { - super(data); - Object.assign(this, { - x: 0, y: 0, - relX: 0, prelim: 0, shift: 0, change: 0, - lExt: this, lExtRelX: 0, lThr: null, - rExt: this, rExtRelX: 0, rThr: null, - }); - } - get size() { return nodeSize(this.data); } - spacing(oNode) { return spacing(this.data, oNode.data); } - get x() { return this.data.x; } - set x(v) { this.data.x = v; } - get y() { return this.data.y; } - set y(v) { this.data.y = v; } - update() { - layoutChildren(this); - resolveX(this); - return this; - } - }; - } - - function wrap(FlexClass, treeData, children) { - const _wrap = (data, parent) => { - const node = new FlexClass(data); - Object.assign(node, { - parent, - depth: parent === null ? 0 : parent.depth + 1, - height: 0, - length: 1, - }); - const kidsData = children(data) || []; - node.children = kidsData.length === 0 ? null - : kidsData.map(kd => _wrap(kd, node)); - if (node.children) { - Object.assign(node, node.children.reduce( - (hl, kid) => ({ - height: Math.max(hl.height, kid.height + 1), - length: hl.length + kid.length, - }), node - )); - } - return node; - }; - return _wrap(treeData, null); - } - - - Object.assign(layout, { - nodeSize(arg) { - return arguments.length ? (opts.nodeSize = arg, layout) : opts.nodeSize; - }, - spacing(arg) { - return arguments.length ? (opts.spacing = arg, layout) : opts.spacing; - }, - children(arg) { - return arguments.length ? (opts.children = arg, layout) : opts.children; - }, - hierarchy(treeData, children) { - const kids = typeof children === 'undefined' ? opts.children : children; - return wrap(getFlexNode(), treeData, kids); - }, - dump(tree) { - const nodeSize = accessor('nodeSize'); - const _dump = i0 => node => { - const i1 = i0 + ' '; - const i2 = i0 + ' '; - const {x, y} = node; - const size = nodeSize(node); - const kids = (node.children || []); - const kdumps = (kids.length === 0) ? ' ' : - `,${i1}children: [${i2}${kids.map(_dump(i2)).join(i2)}${i1}],${i0}`; - return `{ size: [${size.join(', ')}],${i1}x: ${x}, y: ${y}${kdumps}},`; - }; - return _dump('\n')(tree); - }, - }); - return layout; - } - flextree.version = version$1; - - const layoutChildren = (w, y = 0) => { - w.y = y; - (w.children || []).reduce((acc, kid) => { - const [i, lastLows] = acc; - layoutChildren(kid, w.y + w.ySize); - // The lowest vertical coordinate while extreme nodes still point - // in current subtree. - const lowY = (i === 0 ? kid.lExt : kid.rExt).bottom; - if (i !== 0) separate(w, i, lastLows); - const lows = updateLows(lowY, i, lastLows); - return [i + 1, lows]; - }, [0, null]); - shiftChange(w); - positionRoot(w); - return w; - }; - - // Resolves the relative coordinate properties - relX and prelim -- - // to set the final, absolute x coordinate for each node. This also sets - // `prelim` to 0, so that `relX` for each node is its x-coordinate relative - // to its parent. - const resolveX = (w, prevSum, parentX) => { - // A call to resolveX without arguments is assumed to be for the root of - // the tree. This will set the root's x-coord to zero. - if (typeof prevSum === 'undefined') { - prevSum = -w.relX - w.prelim; - parentX = 0; - } - const sum = prevSum + w.relX; - w.relX = sum + w.prelim - parentX; - w.prelim = 0; - w.x = parentX + w.relX; - (w.children || []).forEach(k => resolveX(k, sum, w.x)); - return w; - }; - - // Process shift and change for all children, to add intermediate spacing to - // each child's modifier. - const shiftChange = w => { - (w.children || []).reduce((acc, child) => { - const [lastShiftSum, lastChangeSum] = acc; - const shiftSum = lastShiftSum + child.shift; - const changeSum = lastChangeSum + shiftSum + child.change; - child.relX += changeSum; - return [shiftSum, changeSum]; - }, [0, 0]); - }; - - // Separates the latest child from its previous sibling - /* eslint-disable complexity */ - const separate = (w, i, lows) => { - const lSib = w.children[i - 1]; - const curSubtree = w.children[i]; - let rContour = lSib; - let rSumMods = lSib.relX; - let lContour = curSubtree; - let lSumMods = curSubtree.relX; - let isFirst = true; - while (rContour && lContour) { - if (rContour.bottom > lows.lowY) lows = lows.next; - // How far to the left of the right side of rContour is the left side - // of lContour? First compute the center-to-center distance, then add - // the "spacing" - const dist = - (rSumMods + rContour.prelim) - (lSumMods + lContour.prelim) + - rContour.xSize / 2 + lContour.xSize / 2 + - rContour.spacing(lContour); - if (dist > 0 || (dist < 0 && isFirst)) { - lSumMods += dist; - // Move subtree by changing relX. - moveSubtree$1(curSubtree, dist); - distributeExtra(w, i, lows.index, dist); - } - isFirst = false; - // Advance highest node(s) and sum(s) of modifiers - const rightBottom = rContour.bottom; - const leftBottom = lContour.bottom; - if (rightBottom <= leftBottom) { - rContour = nextRContour(rContour); - if (rContour) rSumMods += rContour.relX; - } - if (rightBottom >= leftBottom) { - lContour = nextLContour(lContour); - if (lContour) lSumMods += lContour.relX; - } - } - // Set threads and update extreme nodes. In the first case, the - // current subtree is taller than the left siblings. - if (!rContour && lContour) setLThr(w, i, lContour, lSumMods); - // In the next case, the left siblings are taller than the current subtree - else if (rContour && !lContour) setRThr(w, i, rContour, rSumMods); - }; - /* eslint-enable complexity */ - - // Move subtree by changing relX. - const moveSubtree$1 = (subtree, distance) => { - subtree.relX += distance; - subtree.lExtRelX += distance; - subtree.rExtRelX += distance; - }; - - const distributeExtra = (w, curSubtreeI, leftSibI, dist) => { - const curSubtree = w.children[curSubtreeI]; - const n = curSubtreeI - leftSibI; - // Are there intermediate children? - if (n > 1) { - const delta = dist / n; - w.children[leftSibI + 1].shift += delta; - curSubtree.shift -= delta; - curSubtree.change -= dist - delta; - } - }; - - const nextLContour = w => { - return w.hasChildren ? w.firstChild : w.lThr; - }; - - const nextRContour = w => { - return w.hasChildren ? w.lastChild : w.rThr; - }; - - const setLThr = (w, i, lContour, lSumMods) => { - const firstChild = w.firstChild; - const lExt = firstChild.lExt; - const curSubtree = w.children[i]; - lExt.lThr = lContour; - // Change relX so that the sum of modifier after following thread is correct. - const diff = lSumMods - lContour.relX - firstChild.lExtRelX; - lExt.relX += diff; - // Change preliminary x coordinate so that the node does not move. - lExt.prelim -= diff; - // Update extreme node and its sum of modifiers. - firstChild.lExt = curSubtree.lExt; - firstChild.lExtRelX = curSubtree.lExtRelX; - }; - - // Mirror image of setLThr. - const setRThr = (w, i, rContour, rSumMods) => { - const curSubtree = w.children[i]; - const rExt = curSubtree.rExt; - const lSib = w.children[i - 1]; - rExt.rThr = rContour; - const diff = rSumMods - rContour.relX - curSubtree.rExtRelX; - rExt.relX += diff; - rExt.prelim -= diff; - curSubtree.rExt = lSib.rExt; - curSubtree.rExtRelX = lSib.rExtRelX; - }; - - // Position root between children, taking into account their modifiers - const positionRoot = w => { - if (w.hasChildren) { - const k0 = w.firstChild; - const kf = w.lastChild; - const prelim = (k0.prelim + k0.relX - k0.xSize / 2 + - kf.relX + kf.prelim + kf.xSize / 2 ) / 2; - Object.assign(w, { - prelim, - lExt: k0.lExt, lExtRelX: k0.lExtRelX, - rExt: kf.rExt, rExtRelX: kf.rExtRelX, - }); - } - }; - - // Make/maintain a linked list of the indexes of left siblings and their - // lowest vertical coordinate. - const updateLows = (lowY, index, lastLows) => { - // Remove siblings that are hidden by the new subtree. - while (lastLows !== null && lowY >= lastLows.lowY) - lastLows = lastLows.next; - // Prepend the new subtree. - return { - lowY, - index, - next: lastLows, - }; - }; - - var d3Flextree = /*#__PURE__*/Object.freeze({ - __proto__: null, - flextree: flextree - }); - - var base = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - exports.getId = getId; - exports.noop = noop; - exports.walkTree = walkTree; - exports.arrayFrom = arrayFrom; - exports.flatMap = flatMap; - exports.addClass = addClass; - exports.childSelector = childSelector; - const uniqId = Math.random().toString(36).slice(2, 8); - let globalIndex = 0; - - function getId() { - globalIndex += 1; - return `mm-${uniqId}-${globalIndex}`; - } - - function noop() {// noop - } - - function walkTree(tree, callback, key = 'c') { - const walk = (item, parent) => callback(item, () => { - var _item$key; - - (_item$key = item[key]) == null ? void 0 : _item$key.forEach(child => { - walk(child, item); - }); - }, parent); - - walk(tree); - } - - function arrayFrom(arrayLike) { - if (Array.from) return Array.from(arrayLike); - const array = []; - - for (let i = 0; i < arrayLike.length; i += 1) { - array.push(arrayLike[i]); - } - - return array; - } - - function flatMap(arrayLike, callback) { - if (arrayLike.flatMap) return arrayLike.flatMap(callback); - const array = []; - - for (let i = 0; i < arrayLike.length; i += 1) { - const result = callback(arrayLike[i], i, arrayLike); - if (Array.isArray(result)) array.push(...result);else array.push(result); - } - - return array; - } - - function addClass(className, ...rest) { - const classList = (className || '').split(' ').filter(Boolean); - rest.forEach(item => { - if (item && classList.indexOf(item) < 0) classList.push(item); - }); - return classList.join(' '); - } - - function childSelector(filter) { - if (typeof filter === 'string') { - const tagName = filter; - - filter = el => el.tagName === tagName; - } - - const filterFn = filter; - return function selector() { - let nodes = arrayFrom(this.childNodes); - if (filterFn) nodes = nodes.filter(node => filterFn(node)); - return nodes; - }; - } - }); - - var html$1 = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - exports.escapeHtml = escapeHtml; - exports.escapeScript = escapeScript; - exports.htmlOpen = htmlOpen; - exports.htmlClose = htmlClose; - exports.wrapHtml = wrapHtml; - exports.wrapStyle = wrapStyle; - - function escapeHtml(html) { - return html.replace(/[&<"]/g, m => ({ - '&': '&', - '<': '<', - '"': '"' - })[m]); - } - - function escapeScript(content) { - return content.replace(/<(\/script>)/g, '\\x3c$2'); - } - - function htmlOpen(tagName, attrs) { - const attrStr = attrs ? Object.entries(attrs).map(([key, value]) => { - if (value == null || value === false) return; - key = ` ${escapeHtml(key)}`; - if (value === true) return key; - return `${key}="${escapeHtml(value)}"`; - }).filter(Boolean).join('') : ''; - return `<${tagName}${attrStr}>`; - } - - function htmlClose(tagName) { - return ``; - } - - function wrapHtml(tagName, content, attrs) { - if (content == null) return htmlOpen(tagName, attrs); - return htmlOpen(tagName, attrs) + (content || '') + htmlClose(tagName); - } - - function wrapStyle(text, style) { - if (style.code) text = wrapHtml('code', text); - if (style.del) text = wrapHtml('del', text); - if (style.em) text = wrapHtml('em', text); - if (style.strong) text = wrapHtml('strong', text); - return text; - } - }); - - var loader = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - exports.buildCode = buildCode; - exports.memoize = memoize; - exports.loadJS = loadJS; - exports.loadCSS = loadCSS; - exports.initializePlugins = initializePlugins; - exports.persistJS = persistJS; - exports.persistCSS = persistCSS; - - - - function buildCode(fn, ...args) { - const params = args.map(arg => { - if (typeof arg === 'function') return arg.toString(); - return JSON.stringify(arg != null ? arg : null); - }).join(','); - return `(${fn.toString()})(${params})`; - } - - function memoize(fn) { - const cache = {}; - return function memoized(...args) { - const key = `${args[0]}`; - let data = cache[key]; - - if (!data) { - data = { - value: fn(...args) - }; - cache[key] = data; - } - - return data.value; - }; - } - - function createElement(tagName, props, attrs) { - const el = document.createElement(tagName); - - if (props) { - Object.entries(props).forEach(([key, value]) => { - el[key] = value; - }); - } - - if (attrs) { - Object.entries(attrs).forEach(([key, value]) => { - el.setAttribute(key, value); - }); - } - - return el; - } - - const memoizedPreloadJS = memoize(url => { - document.head.append(createElement('link', { - rel: 'preload', - as: 'script', - href: url - })); - }); - - function loadJSItem(item, context) { - if (item.type === 'script') { - return new Promise((resolve, reject) => { - document.head.append(createElement('script', Object.assign(Object.assign({}, item.data), {}, { - onload: resolve, - onerror: reject - }))); - }); - } else if (item.type === 'iife') { - const { - fn, - getParams - } = item.data; - fn(...((getParams == null ? void 0 : getParams(context)) || [])); - } - } - - function loadCSSItem(item) { - if (item.type === 'style') { - document.head.append(createElement('style', { - textContent: item.data - })); - } else if (item.type === 'stylesheet') { - document.head.append(createElement('link', Object.assign({ - rel: 'stylesheet' - }, item.data))); - } - } - - async function loadJS(items, options) { - const needPreload = items.filter(item => item.type === 'script'); - if (needPreload.length > 1) needPreload.forEach(item => memoizedPreloadJS(item.data.src)); - - for (const item of items) { - await loadJSItem(item, options); - } - } - - function loadCSS(items) { - for (const item of items) { - loadCSSItem(item); - } - } - - async function initializePlugins(Markmap, plugins, options) { - options = Object.assign({}, options); - await Promise.all(plugins.map(plugin => { - loadCSS(plugin.styles); - return loadJS(plugin.scripts, options); - })); - - for (const { - initialize - } of plugins) { - if (initialize) initialize(Markmap, options); - } - } - - function persistJS(items, context) { - return items.map(item => { - if (item.type === 'script') return (0, html$1.wrapHtml)('script', '', item.data); - - if (item.type === 'iife') { - const { - fn, - getParams - } = item.data; - return (0, html$1.wrapHtml)('script', (0, html$1.escapeScript)(buildCode(fn, ...((getParams == null ? void 0 : getParams(context)) || [])))); - } - }); - } - - function persistCSS(items) { - return items.map(item => { - if (item.type === 'stylesheet') { - return (0, html$1.wrapHtml)('link', null, Object.assign({ - rel: 'stylesheet' - }, item.data)); - } - /* else if (item.type === 'style') */ - - - return (0, html$1.wrapHtml)('style', item.data); - }); - } - }); - - var util = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - - - - Object.keys(base).forEach(function (key) { - if (key === "default" || key === "__esModule") return; - exports[key] = base[key]; - }); - - - - Object.keys(html$1).forEach(function (key) { - if (key === "default" || key === "__esModule") return; - exports[key] = html$1[key]; - }); - - - - Object.keys(loader).forEach(function (key) { - if (key === "default" || key === "__esModule") return; - exports[key] = loader[key]; - }); - }); - - var mathjax = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - exports.plugin = void 0; - const styles = []; - const scripts = [{ - type: 'iife', - data: { - fn: mathJax => { - mathJax.options = Object.assign({ - skipHtmlTags: { - '[-]': ['code', 'pre'] - } - }, mathJax.options); - mathJax.startup = Object.assign({ - typeset: false - }, mathJax.startup); - window.MathJax = mathJax; - }, - getParams: context => [Object.assign({}, context.mathJax)] - } - }, { - type: 'script', - data: { - src: 'https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js' - } - }]; - - function initialize(Markmap, options) { - Markmap.transformHtml.tap((mm, nodes) => { - var _MathJax$typeset, _MathJax; - - (_MathJax$typeset = (_MathJax = window.MathJax).typeset) == null ? void 0 : _MathJax$typeset.call(_MathJax, nodes); - }); - } - - const plugin = { - styles, - scripts, - initialize - }; - exports.plugin = plugin; - }); - - var prism = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - exports.plugin = void 0; - - - - const errors = {}; - const styles = [{ - type: 'stylesheet', - data: { - href: 'https://cdn.jsdelivr.net/npm/prismjs@1/themes/prism.css' - } - }]; - const scripts = [{ - type: 'iife', - data: { - fn: () => { - window.Prism = { - manual: true - }; - } - } - }, { - type: 'script', - data: { - src: 'https://cdn.jsdelivr.net/npm/prismjs@1/components/prism-core.min.js' - } - }, // components will be added by paths relative to path of autoloader - { - type: 'script', - data: { - src: 'https://cdn.jsdelivr.net/npm/prismjs@1/plugins/autoloader/prism-autoloader.min.js' - } - }]; - - function initialize(Markmap, options) { - Markmap.transformHtml.tap((mm, nodes) => { - const { - Prism - } = window; - const langs = (0, util.flatMap)(nodes, node => (0, util.arrayFrom)(node.querySelectorAll('code[class*=language-]'))).map(code => { - const lang = code.className.match(/(?:^|\s)language-(\S+)|$/)[1]; - - if (Prism.languages[lang]) { - Prism.highlightElement(code); - } else if (!errors[lang]) { - return lang; - } - }).filter(Boolean); - loadLanguagesAndRender(mm, langs); - }); - } - - async function loadLanguagesAndRender(mm, langs) { - if (!langs.length) return; - const { - Prism - } = window; - - try { - await new Promise((resolve, reject) => { - Prism.plugins.autoloader.loadLanguages(langs, resolve, reject); - }); - } catch (err) { - errors[err] = true; - } - - mm.setData(); - mm.fit(); - } - - const plugin = { - styles, - scripts, - initialize - }; - exports.plugin = plugin; - }); - - var plugins = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - exports.prism = exports.mathJax = void 0; - - - - exports.mathJax = mathjax.plugin; - - - - exports.prism = prism.plugin; - }); - - var hook = createCommonjsModule(function (module, exports) { - - exports.__esModule = true; - exports.Hook = void 0; - - class Hook { - constructor() { - this.listeners = []; - } - - tap(fn) { - this.listeners.push(fn); - } - - call(...args) { - for (const fn of this.listeners) { - fn(...args); - } - } - - } - - exports.Hook = Hook; - }); - - var view = createCommonjsModule(function (module, exports) { - - - - exports.__esModule = true; - exports.markmap = markmap; - exports.loadPlugins = loadPlugins; - exports.plugins = exports.Markmap = void 0; - - var d3$1 = interopRequireWildcard(d3); - - - - - - var plugins$1 = interopRequireWildcard(plugins); - - exports.plugins = plugins$1; - - - - function linkWidth(nodeData) { - const data = nodeData.data; - return Math.max(6 - 2 * data.d, 1.5); - } - - function adjustSpacing(tree, spacing) { - (0, util.walkTree)(tree, (d, next) => { - d.ySizeInner = d.ySize - spacing; - d.y += spacing; - next(); - }, 'children'); - } - - class Markmap { - constructor(svg, opts) { - this.options = void 0; - this.state = void 0; - this.svg = void 0; - this.styleNode = void 0; - this.g = void 0; - this.zoom = void 0; - ['handleZoom', 'handleClick'].forEach(key => { - this[key] = this[key].bind(this); - }); - this.svg = svg.datum ? svg : d3$1.select(svg); - this.styleNode = this.svg.append('style'); - this.zoom = d3$1.zoom().on('zoom', this.handleZoom); - this.options = Object.assign({ - duration: 500, - nodeFont: '300 16px/20px sans-serif', - nodeMinHeight: 16, - spacingVertical: 5, - spacingHorizontal: 80, - autoFit: false, - fitRatio: 0.95, - color: (colorFn => node => colorFn(node.p.i))(d3$1.scaleOrdinal(d3$1.schemeCategory10)), - paddingX: 8 - }, opts); - this.state = { - id: this.options.id || (0, util.getId)() - }; - this.g = this.svg.append('g').attr('class', `${this.state.id}-g`); - this.updateStyle(); - this.svg.call(this.zoom); - } - - getStyleContent() { - const { - style, - nodeFont - } = this.options; - const { - id - } = this.state; - const extraStyle = typeof style === 'function' ? style(id) : ''; - const styleText = `\ -.${id} a { color: #0097e6; } -.${id} a:hover { color: #00a8ff; } -.${id}-g > path { fill: none; } -.${id}-fo > div { font: ${nodeFont}; white-space: nowrap; } -.${id}-fo code { padding: .2em .4em; font-size: calc(1em - 2px); color: #555; background-color: #f0f0f0; border-radius: 2px; } -.${id}-fo del { text-decoration: line-through; } -.${id}-fo em { font-style: italic; } -.${id}-fo strong { font-weight: 600; } -.${id}-fo pre { margin: 0; } -.${id}-fo pre[class*=language-] { padding: 0; } -.${id}-g > g { cursor: pointer; } -${extraStyle} -`; - return styleText; - } - - updateStyle() { - this.svg.attr('class', (0, util.addClass)(this.svg.attr('class'), this.state.id)); - this.styleNode.text(this.getStyleContent()); - } - - handleZoom() { - const { - transform - } = d3$1.event; - this.g.attr('transform', transform); - } - - handleClick(d) { - var _data$p; - - const { - data - } = d; - data.p = Object.assign(Object.assign({}, data.p), {}, { - f: !((_data$p = data.p) == null ? void 0 : _data$p.f) - }); - this.renderData(d.data); - } - - initializeData(node) { - let i = 0; - const { - nodeFont, - color, - nodeMinHeight - } = this.options; - const { - id - } = this.state; - const container = document.createElement('div'); - const containerClass = `${id}-container`; - container.className = (0, util.addClass)(container.className, `${id}-fo`, containerClass); - const style = document.createElement('style'); - style.textContent = ` -${this.getStyleContent()} -.${containerClass} { - position: absolute; - width: 0; - height: 0; - top: -100px; - left: -100px; - overflow: hidden; - font: ${nodeFont}; -} -.${containerClass} > div { - display: inline-block; -} -`; - document.body.append(style, container); - (0, util.walkTree)(node, (item, next) => { - var _item$c; - - item.c = (_item$c = item.c) == null ? void 0 : _item$c.map(child => Object.assign({}, child)); - i += 1; - const el = document.createElement('div'); - el.innerHTML = item.v; - container.append(el); - item.p = Object.assign(Object.assign({}, item.p), {}, { - // unique ID - i, - el - }); - color(item); // preload colors - - next(); - }); - const nodes = (0, util.arrayFrom)(container.childNodes); - this.constructor.transformHtml.call(this, nodes); - (0, util.walkTree)(node, (item, next, parent) => { - var _parent$p; - - const rect = item.p.el.getBoundingClientRect(); - item.v = item.p.el.innerHTML; - item.p.s = [Math.ceil(rect.width), Math.max(Math.ceil(rect.height), nodeMinHeight)]; // TODO keep keys for unchanged objects - // unique key, should be based on content - - item.p.k = `${(parent == null ? void 0 : (_parent$p = parent.p) == null ? void 0 : _parent$p.i) || ''}.${item.p.i}:${item.v}`; - next(); - }); - container.remove(); - style.remove(); - } - - setOptions(opts) { - Object.assign(this.options, opts); - } - - setData(data, opts) { - if (!data) data = Object.assign({}, this.state.data); - this.state.data = data; - this.initializeData(data); - if (opts) this.setOptions(opts); - this.renderData(); - } - - renderData(originData) { - var _origin$data$p$x, _origin$data$p$y; - - if (!this.state.data) return; - const { - spacingHorizontal, - paddingX, - spacingVertical, - autoFit, - color - } = this.options; - const { - id - } = this.state; - const layout = (0, d3Flextree.flextree)().children(d => { - var _d$p; - - return !((_d$p = d.p) == null ? void 0 : _d$p.f) && d.c; - }).nodeSize(d => { - const [width, height] = d.data.p.s; - return [height, width + (width ? paddingX * 2 : 0) + spacingHorizontal]; - }).spacing((a, b) => { - return a.parent === b.parent ? spacingVertical : spacingVertical * 2; - }); - const tree = layout.hierarchy(this.state.data); - layout(tree); - adjustSpacing(tree, spacingHorizontal); - const descendants = tree.descendants().reverse(); - const links = tree.links(); - const linkShape = d3$1.linkHorizontal(); - const minX = d3$1.min(descendants, d => d.x - d.xSize / 2); - const maxX = d3$1.max(descendants, d => d.x + d.xSize / 2); - const minY = d3$1.min(descendants, d => d.y); - const maxY = d3$1.max(descendants, d => d.y + d.ySizeInner); - Object.assign(this.state, { - minX, - maxX, - minY, - maxY - }); - if (autoFit) this.fit(); - const origin = originData && descendants.find(item => item.data === originData) || tree; - const x0 = (_origin$data$p$x = origin.data.p.x0) != null ? _origin$data$p$x : origin.x; - const y0 = (_origin$data$p$y = origin.data.p.y0) != null ? _origin$data$p$y : origin.y; // Update the nodes - - const node = this.g.selectAll((0, util.childSelector)('g')).data(descendants, d => d.data.p.k); - const nodeEnter = node.enter().append('g').attr('transform', d => `translate(${y0 + origin.ySizeInner - d.ySizeInner},${x0 + origin.xSize / 2 - d.xSize})`).on('click', this.handleClick); - const nodeExit = this.transition(node.exit()); - nodeExit.select('rect').attr('width', 0).attr('x', d => d.ySizeInner); - nodeExit.select('foreignObject').style('opacity', 0); - nodeExit.attr('transform', d => `translate(${origin.y + origin.ySizeInner - d.ySizeInner},${origin.x + origin.xSize / 2 - d.xSize})`).remove(); - const nodeMerge = node.merge(nodeEnter); - this.transition(nodeMerge).attr('transform', d => `translate(${d.y},${d.x - d.xSize / 2})`); - const rect = nodeMerge.selectAll((0, util.childSelector)('rect')).data(d => [d], d => d.data.p.k).join(enter => { - return enter.append('rect').attr('x', d => d.ySizeInner).attr('y', d => d.xSize - linkWidth(d) / 2).attr('width', 0).attr('height', linkWidth); - }, update => update, exit => exit.remove()); - this.transition(rect).attr('x', -1).attr('width', d => d.ySizeInner + 2).attr('fill', d => color(d.data)); - const circle = nodeMerge.selectAll((0, util.childSelector)('circle')).data(d => d.data.c ? [d] : [], d => d.data.p.k).join(enter => { - return enter.append('circle').attr('stroke-width', '1.5').attr('cx', d => d.ySizeInner).attr('cy', d => d.xSize).attr('r', 0); - }, update => update, exit => exit.remove()); - this.transition(circle).attr('r', 6).attr('stroke', d => color(d.data)).attr('fill', d => { - var _d$data$p; - - return ((_d$data$p = d.data.p) == null ? void 0 : _d$data$p.f) ? color(d.data) : '#fff'; - }); - const foreignObject = nodeMerge.selectAll((0, util.childSelector)('foreignObject')).data(d => [d], d => d.data.p.k).join(enter => { - const fo = enter.append('foreignObject').attr('class', `${id}-fo`).attr('x', paddingX).attr('y', 0).style('opacity', 0).attr('height', d => d.xSize); - fo.append('xhtml:div').select(function (d) { - const node = d.data.p.el.cloneNode(true); - this.replaceWith(node); - return node; - }).attr('xmlns', 'http://www.w3.org/1999/xhtml'); - return fo; - }, update => update, exit => exit.remove()).attr('width', d => Math.max(0, d.ySizeInner - paddingX * 2)); - this.transition(foreignObject).style('opacity', 1); // Update the links - - const path = this.g.selectAll((0, util.childSelector)('path')).data(links, d => d.target.data.p.k).join(enter => { - const source = [y0 + origin.ySizeInner, x0 + origin.xSize / 2]; - return enter.insert('path', 'g').attr('d', linkShape({ - source, - target: source - })); - }, update => update, exit => { - const source = [origin.y + origin.ySizeInner, origin.x + origin.xSize / 2]; - return this.transition(exit).attr('d', linkShape({ - source, - target: source - })).remove(); - }); - this.transition(path).attr('stroke', d => color(d.target.data)).attr('stroke-width', d => linkWidth(d.target)).attr('d', d => { - const source = [d.source.y + d.source.ySizeInner, d.source.x + d.source.xSize / 2]; - const target = [d.target.y, d.target.x + d.target.xSize / 2]; - return linkShape({ - source, - target - }); - }); - descendants.forEach(d => { - d.data.p.x0 = d.x; - d.data.p.y0 = d.y; - }); - } - - transition(sel) { - const { - duration - } = this.options; - return sel.transition().duration(duration); - } - - fit() { - const svgNode = this.svg.node(); - const { - width: offsetWidth, - height: offsetHeight - } = svgNode.getBoundingClientRect(); - const { - fitRatio - } = this.options; - const { - minX, - maxX, - minY, - maxY - } = this.state; - const naturalWidth = maxY - minY; - const naturalHeight = maxX - minX; - const scale = Math.min(offsetWidth / naturalWidth * fitRatio, offsetHeight / naturalHeight * fitRatio, 2); - const initialZoom = d3$1.zoomIdentity.translate((offsetWidth - naturalWidth * scale) / 2 - minY * scale, (offsetHeight - naturalHeight * scale) / 2 - minX * scale).scale(scale); - return this.transition(this.svg).call(this.zoom.transform, initialZoom).end().catch(util.noop); - } - - rescale(scale) { - const svgNode = this.svg.node(); - const { - width: offsetWidth, - height: offsetHeight - } = svgNode.getBoundingClientRect(); - const halfWidth = offsetWidth / 2; - const halfHeight = offsetHeight / 2; - const transform = d3$1.zoomTransform(svgNode); - const newTransform = transform.translate((halfWidth - transform.x) * (1 - scale) / transform.k, (halfHeight - transform.y) * (1 - scale) / transform.k).scale(scale); - return this.transition(this.svg).call(this.zoom.transform, newTransform).end().catch(util.noop); - } - - static create(svg, opts, data) { - const mm = new Markmap(svg, opts); - - if (data) { - mm.setData(data); - mm.fit(); // always fit for the first render - } - - return mm; - } - - } - - exports.Markmap = Markmap; - Markmap.transformHtml = new hook.Hook(); - - function markmap(svg, data, opts) { - return Markmap.create(svg, opts, data); - } - - async function loadPlugins(items, options) { - items = items.map(item => { - if (typeof item === 'string') { - const name = item; - item = plugins$1[name]; - - if (!item) { - console.warn(`[markmap] Unknown plugin: ${name}`); - } - } - - return item; - }).filter(Boolean); - return (0, util.initializePlugins)(Markmap, items, options); - } - }); - - var view$1 = /*@__PURE__*/unwrapExports(view); - - return view$1; - -}))); diff --git a/www/common/diffMarked.js b/www/common/diffMarked.js index eba8156b7..0a29ca872 100644 --- a/www/common/diffMarked.js +++ b/www/common/diffMarked.js @@ -12,8 +12,7 @@ define([ '/bower_components/diff-dom/diffDOM.js', '/bower_components/tweetnacl/nacl-fast.min.js', 'css!/common/highlight/styles/github.css' -],function ($, ApiConfig, Marked, Hash, Util, h, MT, MediaTag, Highlight, Messages, - MarkMapTransform, Markmap) { +],function ($, ApiConfig, Marked, Hash, Util, h, MT, MediaTag, Highlight, Messages) { var DiffMd = {}; var DiffDOM = window.diffDOM; @@ -119,7 +118,7 @@ define([ } else if (language === 'markmap') { return '
    '+Util.fixHTML(code)+'
    '; } else if (language === 'mathjax') { - var svg = Mathjax.tex2svg(code, {display: true}) + var svg = Mathjax.tex2svg(code, {display: true}); if (!svg) { return ''; } return '
    '+ svg.innerHTML.replace(/xlink:href/g, "href") +'
    '; } else { @@ -380,7 +379,7 @@ define([ var observer = new MutationObserver(function(mutations) { mutations.forEach(function(mutation) { if (mutation.type === 'childList') { - var n, $a; + var n; for (var i = 0; i < mutation.addedNodes.length; i++) { n = mutation.addedNodes[i]; if (n.nodeName === "A") { return void n.addEventListener('click', onClick); } @@ -400,8 +399,8 @@ define([ attr: 'markmap-source', render: function ($el) { var data = MarkMapTransform.transform($el[0].getAttribute("markmap-source")); - $el[0].innerHTML = "" - Markmap.markmap($el[0].firstChild, data) + $el[0].innerHTML = ""; + Markmap.markmap($el[0].firstChild, data); fixMathjaxClickables($el); } }; @@ -516,7 +515,6 @@ define([ // If the element is a mermaid or markmap svg, get the corresponding attribute var isSvg = $mt.is('pre[data-plugin]'); var plugin = isSvg && plugins[$mt.attr('data-plugin')]; - console.log(plugin); // Get initial idx var idx = -1;