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@ -18,9 +18,18 @@ define([
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localStorage = {};
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}
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var fixURL = function (url) {
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var mark = (url.indexOf('?') !== -1) ? '&' : '?';
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return url + mark + key;
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var fixURL = function (url, parent) {
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// data: blob: etc
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if (/^[a-zA-Z0-9]*:/.test(url)) { return url; }
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var ua = url.split('#');
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var mark = (ua[0].indexOf('?') !== -1) ? '&' : '?';
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ua[0] = ua[0] + mark + key;
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if (ua[0].indexOf(':') === -1 && ua[0].indexOf('/') && parent) {
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ua[0] = parent.replace(/\/[^\/]*$/, '/') + ua[0];
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}
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var out = ua.join('#');
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//console.log(url + " --> " + out);
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return out;
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};
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var doXHR = Less.FileManager.prototype.doXHR;
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@ -48,6 +57,40 @@ define([
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localStorage['LESS_CACHE'] = key;
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};
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var fixAllURLs = function (source, parent) {
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var urlRegEx = /@import\s*("([^"]*)"|'([^']*)')|url\s*\(\s*(\s*"([^"]*)"|'([^']*)'|[^\)]*\s*)\s*\)/ig;
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var result, url;
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while (!!(result = urlRegEx.exec(source))) {
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url = result[3] || result[2] || result[5] || result[6] || result[4];
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var newUrl = fixURL(url, parent);
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var quoteLen = result[5] || result[6] ? 1 : 0;
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source = source.substr(0, urlRegEx.lastIndex - url.length - quoteLen - 1)
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+ newUrl + source.substr(urlRegEx.lastIndex - quoteLen - 1);
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urlRegEx.lastIndex = urlRegEx.lastIndex + (newUrl.length - url.length);
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}
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return source;
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};
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var loadCSS = function (url, cb) {
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var xhr = new window.XMLHttpRequest();
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xhr.open("GET", fixURL(url), true);
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xhr.responseType = 'text';
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xhr.onload = function () {
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if (/^4/.test('' + this.status)) { return cb("error loading " + url); }
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cb(undefined, xhr.response);
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};
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xhr.send(null);
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};
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var loadLess = function (url, cb) {
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Less.render('@import (multiple) "' + url + '";', {}, function(err, css) {
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if (err) { return void cb(err); }
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cb(undefined, css.css);
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}, window.less);
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};
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module.exports.load = function (url /*:string*/, cb /*:()=>void*/) {
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checkCache();
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if (localStorage['LESS_CACHE|' + key + '|' + url]) {
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@ -55,15 +98,12 @@ define([
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cb();
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return;
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}
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Less.render('@import (multiple) "' + url + '";', {}, function(err, css) {
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if (err) {
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console.log(err);
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return;
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}
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localStorage['LESS_CACHE|' + key + '|' + url] = css.css;
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inject(css.css, url);
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((/\.less([\?\#].*)?$/.test(url)) ? loadLess : loadCSS)(url, function (err, css) {
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var output = fixAllURLs(css, url);
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localStorage['LESS_CACHE|' + key + '|' + url] = output;
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inject(output, url);
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cb();
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}, window.less);
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});
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};
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return module.exports;
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ansuz
7 years ago