Compare commits

..

2 Commits

Author SHA1 Message Date
OFF0 3b99dfac79
only take events within the last hour into account
ci/woodpecker/push/woodpecker Pipeline was successful Details
ci/woodpecker/pr/woodpecker Pipeline was successful Details
2 years ago
OFF0 0fecfc837c
feed: enable ignoring duplicate textnotes option
ci/woodpecker/push/woodpecker Pipeline was successful Details
ci/woodpecker/pr/woodpecker Pipeline was successful Details
This option drops textNotes with exactly the same content after,
it was already shown 5 times.
2 years ago

@ -17,10 +17,9 @@ export const options = {
'src/assets/star-fill.svg',
'src/favicon.ico',
'src/index.html',
'src/styles/main.css',
'src/main.ts',
'src/main.css',
'src/main.js',
'src/manifest.json',
'src/worker.js',
],
outdir: 'dist',
//entryNames: '[name]-[hash]', TODO: replace urls in index.html with hashed paths

1225
package-lock.json generated

File diff suppressed because it is too large Load Diff

@ -1,6 +1,6 @@
{
"name": "nostrweb",
"version": "0.0.31",
"version": "0.0.15",
"private": true,
"type": "module",
"devDependencies": {
@ -8,10 +8,7 @@
"esbuild": "^0.14.54",
"esbuild-plugin-alias": "^0.2.1",
"events": "^3.3.0",
"readable-stream": "4.3.0"
},
"dependencies": {
"nostr-tools": "1.10.1"
"nostr-tools": "0.24.1"
},
"scripts": {
"build": "node tools/build.js",

@ -4,25 +4,23 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>about / nostr</title>
<link rel="stylesheet" href="styles/main.css" type="text/css">
<link rel="stylesheet" href="main.css" type="text/css">
<link rel="manifest" href="/manifest.json">
</head>
<body>
<main>
<div class="text">
<h1>nostr: notes and other stuff transmitted by relays</h1>
this is a nostr web client.<br>
source code is at <a href="https://git.qcode.ch/nostr/nostrweb">git.qcode.ch/nostr/nostrweb</a>.
<p>
you are looking at version #[PKG_VERSION]#, built at git commit
<a href="https://git.qcode.ch/nostr/nostrweb/commit/#[GIT_COMMIT]#">#[GIT_COMMIT]#</a>.
</p>
<p>
for more information about nostr protocol, check out
<a href="https://github.com/nostr-protocol/nostr#readme" target="_blank" rel="noopener noreferrer">github.com/nostr-protocol/nostr#readme</a>.
</p>
back to <a href="/">nostr.ch</a>
</div>
<main class="text">
<h1>nostr: notes and other stuff transmitted by relays</h1>
this is a nostr web client.<br>
source code is at <a href="https://git.qcode.ch/nostr/nostrweb">git.qcode.ch/nostr/nostrweb</a>.
<p>
you are looking at version #[PKG_VERSION]#, built at git commit
<a href="https://git.qcode.ch/nostr/nostrweb/commit/#[GIT_COMMIT]#">#[GIT_COMMIT]#</a>.
</p>
<p>
for more information about nostr protocol, check out
<a href="https://github.com/nostr-protocol/nostr#readme" target="_blank" rel="noopener noreferrer">github.com/nostr-protocol/nostr#readme</a>.
</p>
back to <a href="/">nostr.ch</a>
</main>
</body>
</html>

@ -0,0 +1,163 @@
/* https://developer.mozilla.org/en-US/docs/Web/CSS/Layout_cookbook/Media_objects */
.mbox {
--profileimg-size: 4rem;
align-items: center;
display: flex;
flex-direction: row;
flex-wrap: wrap;
margin-bottom: 1rem;
padding: 0 var(--gap);
}
@media (orientation: portrait) {
.mbox {
padding: 0 var(--gap-half);
}
}
.mbox:last-child {
margin-bottom: 0;
}
.mbox .mbox {
padding: 0;
}
.mbox-img {
align-self: start;
background-color: var(--bgcolor-textinput);
border-radius: var(--profileimg-size);
border: 1px solid transparent;
flex-basis: var(--profileimg-size);
height: var(--profileimg-size);
margin-right: 1rem;
/* padding-top: .5ch; */
max-height: var(--profileimg-size);
max-width: var(--profileimg-size);
outline: .5rem solid var(--bgcolor);
overflow: hidden;
position: relative;
z-index: 2;
}
.mbox-img canvas,
.mbox-img img {
display: block;
}
.mbox-updated-contact .mbox-img,
.mbox-recommend-server .mbox-img {
--profileimg-size: 2rem;
margin-left: 2rem;
}
.mbox-body {
flex-grow: 0;
flex-shrink: 1;
word-break: break-word;
}
.mbox-img + .mbox-body {
flex-basis: calc(100% - 64px - 1rem);
}
.mbox-header {
flex-basis: calc(100% - 64px - 1rem);
flex-grow: 0;
flex-shrink: 1;
margin-top: 0;
}
.mbox-header time,
.mbox-username {
color: var(--color-accent);
cursor: pointer;
}
.mbox-kind0-name {
color: var(--color);
}
.mbox-updated-contact .mbox-body,
.mbox-recommend-server .mbox-body {
display: block;
font-size: var(--font-small);
overflow: scroll;
}
.mbox-updated-contact .mbox-header,
.mbox-recommend-server .mbox-header {
display: inline;
}
.mbox-updated-contact {
padding: 0 0 1rem 0;
margin: 0;
}
.mbox {
overflow: hidden;
}
.mbox .mbox {
overflow: visible;
position: relative;
}
.mobx-replies {
flex-grow: 1;
position: relative;
}
.mbox .mbox::before,
.mobx-replies::before {
background-color: var(--bgcolor-inactive);
border: none;
content: "";
display: block;
height: 100vh;
left: calc(.5 * var(--profileimg-size));
margin-left: -.2rem;
position: absolute;
top: -100vh;
width: .4rem;
}
[data-append]::after {
color: var(--color-accent);
content: "…";
}
.preview-loaded a {
background-color: var(--bgcolor-textinput);
border: 1px solid var(--bgcolor-inactive);
color: var(--color);
display: flex;
flex-direction: column;
margin: var(--gap) 0 0 0;
max-width: 48rem;
padding: 1.5rem 1.8rem;
text-decoration: none;
}
.preview-loaded a:visited {
color: inherit;
}
.preview-title {
font-size: inherit;
margin: 0;
}
.preview-descr {
font-size: var(--font-small);
}
.preview-image {
background-color: rgba(72, 63, 63, 0.07);
margin-bottom: var(--gap);
max-height: 30vh;
object-fit: contain;
}
.preview-image-only {
background-color: var(--bgcolor-textinput);
border: 1px solid var(--bgcolor-inactive);
margin: var(--gap) 0 0 0;
max-width: 48rem;
padding: 1.5rem 1.8rem;
width: 100%;
/* TODO: revert when things calm down or we find an alternative */
display: none;
}

@ -1,291 +0,0 @@
import {Event, nip19, signEvent} from 'nostr-tools';
import {elem} from './utils/dom';
import {dateTime} from './utils/time';
import {isNotNonceTag, isPTag} from './events';
import {getViewContent, getViewElem, getViewOptions, setViewElem} from './view';
import {powEvent} from './system';
import {config} from './settings';
import {getMetadata} from './profiles';
import {publish} from './relays';
import {parseJSON} from './media';
const contactHistoryMap: {
[pubkey: string]: Event[];
} = {};
const hasOwnContactList = () => {
return !!contactHistoryMap[config.pubkey];
};
/**
* returns true if user is following pubkey
*/
export const isFollowing = (pubkey: string) => {
const following = contactHistoryMap[config.pubkey]?.at(0);
if (!following) {
return false;
}
return following.tags.some(([tag, value]) => tag === 'p' && value === pubkey);
};
export const updateFollowBtn = (pubkey: string) => {
const followBtn = getViewElem(`followBtn-${pubkey}`);
const view = getViewOptions();
if (followBtn && (view.type === 'contacts' || view.type === 'profile')) {
const hasContact = isFollowing(pubkey);
const isMe = config.pubkey === pubkey;
followBtn.textContent = isMe ? 'following' : hasContact ? 'unfollow' : 'follow';
followBtn.classList.remove('primary', 'secondary');
followBtn.classList.add(hasContact ? 'secondary' : 'primary');
followBtn.hidden = false;
}
};
const updateFollowing = (evt: Event) => {
const view = getViewOptions();
if (evt.pubkey === config.pubkey) {
localStorage.setItem('follwing', JSON.stringify(evt));
}
switch(view.type) {
case 'contacts':
if (hasOwnContactList()) {
const lastContactList = contactHistoryMap[config.pubkey]?.at(1);
if (lastContactList) {
const [added, removed] = findChanges(evt, lastContactList);
[
...added.map(([, pubkey]) => pubkey),
...removed.map(([, pubkey]) => pubkey),
].forEach(updateFollowBtn);
} else {
evt.tags
.filter(isPTag)
.forEach(([, pubkey]) => updateFollowBtn(pubkey));
}
}
break;
case 'profile':
updateFollowBtn(view.id);
if (view.id === evt.pubkey) {
const npub = nip19.npubEncode(evt.pubkey);
// update following link
const following = getViewElem('following') as HTMLElement;
if (following) {
const count = evt.tags.filter(isPTag).length;
const anchor = elem('a', {
data: {following: evt.pubkey},
href: `/contacts/${npub}`,
title: dateTime.format(evt.created_at * 1000),
}, [
'following ',
elem('span', {className: 'highlight'}, count),
]);
following.replaceWith(anchor);
setViewElem('following', anchor);
}
let timeline = getViewElem('timeline');
if (!timeline) {
timeline = elem('a', {href: `/timeline/${npub}`}, 'timeline');
getViewElem('header').querySelector('footer')?.append(timeline);
setViewElem('timeline', timeline);
}
}
break;
}
};
export const refreshFollowing = (id: string) => {
if (contactHistoryMap[id]?.at(0)) {
updateFollowing(contactHistoryMap[id][0]);
}
};
export const setContactList = (evt: Event) => {
const contactHistory = contactHistoryMap[evt.pubkey];
if (!contactHistory) {
contactHistoryMap[evt.pubkey] = [evt];
updateFollowing(evt);
return;
}
if (contactHistory.find(({id}) => id === evt.id)) {
return;
}
contactHistory.unshift(evt);
updateFollowing(contactHistory[0]); // TODO: ensure that this is newest contactlist?
};
/**
* findChanges
* returns added and removed contacts list of P tags, ignores any tag other than 'p'
*/
const findChanges = (current: Event, previous: Event) => {
const previousContacts = previous.tags.join('\n'); // filter for p tags first?
const currentContacts = current.tags.join('\n');
const addedContacts = current.tags.filter(([tag, pubkey]) => tag === 'p' && !previousContacts.includes(pubkey));
const removedContacts = previous.tags.filter(([tag, pubkey]) => tag === 'p' && !currentContacts.includes(pubkey));
return [addedContacts, removedContacts];
};
export const resetContactList = (pubkey: string) => {
delete contactHistoryMap[pubkey];
};
export const getContactUpdateMessage = (
addedList: string[][],
removedList: string[][],
) => {
const content = [];
if (addedList.length && addedList[0]) {
const pubkey = addedList[0][1];
const {userName} = getMetadata(pubkey);
const npub = nip19.npubEncode(pubkey);
content.push(
'follows ',
elem('a', {href: `/${npub}`, data: {profile: pubkey}}, userName),
);
}
if (addedList.length > 1) {
content.push(` (+ ${addedList.length - 1} others)`);
}
if (removedList?.length > 0) {
if (content.length) {
content.push(' and');
}
content.push(' unfollowed ');
if (removedList.length > 1) {
content.push(`${removedList.length}`);
} else {
const removedPubkey = removedList[0][1];
const {userName: removeduserName} = getMetadata(removedPubkey);
const removedNpub = nip19.npubEncode(removedPubkey);
content.push(elem('a', {href: `/${removedNpub}`, data: {profile: removedPubkey}}, removeduserName));
}
}
return content;
};
export const updateContactList = (evt: Event) => {
const contactHistory = contactHistoryMap[evt.pubkey];
if (contactHistory.length === 1) {
return [contactHistory[0].tags.filter(isPTag)];
}
const pos = contactHistory.findIndex(({id}) => id === evt.id);
if (evt.id !== contactHistory.at(-1)?.id) { // not oldest known contact-list update
return findChanges(evt, contactHistory[pos + 1]);
}
// update existing contact entries
contactHistory
.slice(0, -1)
.forEach((entry, i) => {
const previous = contactHistory[i + 1];
const [added, removed] = findChanges(entry, previous);
const contactNote = getViewContent().querySelector(`[data-contacts="${entry.id}"]`);
const updated = getContactUpdateMessage(added, removed);
contactNote?.replaceChildren(...updated);
});
return [evt.tags.filter(isPTag)];
};
/**
* returns list of pubkeys the given pubkey is following
* @param pubkey
* @returns {String[]} pubkeys
*/
export const getContacts = (pubkey: string) => {
const following = contactHistoryMap[pubkey]?.at(0);
if (!following) {
return [];
}
return following.tags
.filter(isPTag)
.map(([, pubkey]) => pubkey);
};
/**
* returns list of pubkeys the user is following, if none found it will try from localstorage
* @returns {String[]} pubkeys
*/
export const getOwnContacts = () => {
const following = getContacts(config.pubkey);
if (following.length) {
return following;
}
const followingFromStorage = localStorage.getItem('follwing');
if (followingFromStorage) {
const follwingData = parseJSON(followingFromStorage) as Event;
// TODO: ensure signature matches
if (follwingData && follwingData.pubkey === config.pubkey) {
return follwingData.tags
.filter(isPTag)
.map(([, pubkey]) => pubkey);
}
}
return [];
};
const updateContactTags = (
followeeID: string,
currentContactList: Event | undefined,
) => {
if (!currentContactList?.tags) {
return [['p', followeeID], ['p', config.pubkey]];
}
if (currentContactList.tags.some(([tag, id]) => tag === 'p' && id === followeeID)) {
return currentContactList.tags
.filter(([tag, id]) => tag === 'p' && id !== followeeID);
}
return [
['p', followeeID],
...currentContactList.tags
.filter(isNotNonceTag),
];
};
export const followContact = async (pubkey: string) => {
const followBtn = getViewElem(`followBtn-${pubkey}`) as HTMLButtonElement;
const statusElem = getViewElem(`followStatus-${pubkey}`) as HTMLElement;
if (!followBtn || !statusElem) {
return;
}
const following = contactHistoryMap[config.pubkey]?.at(0);
const unsignedEvent = {
kind: 3,
pubkey: config.pubkey,
content: '',
tags: updateContactTags(pubkey, following),
created_at: Math.floor(Date.now() * 0.001),
};
followBtn.disabled = true;
const newContactListEvent = await powEvent(unsignedEvent, {
difficulty: config.difficulty,
statusElem,
timeout: config.timeout,
}).catch(console.warn);
if (!newContactListEvent) {
statusElem.textContent = '';
statusElem.hidden = false;
followBtn.disabled = false;
return;
}
const privatekey = localStorage.getItem('private_key');
if (!privatekey) {
statusElem.textContent = 'no private key to sign';
statusElem.hidden = false;
followBtn.disabled = false;
return;
}
const sig = signEvent(newContactListEvent, privatekey);
// TODO: validateEvent?
if (sig) {
statusElem.textContent = 'publishing…';
publish({...newContactListEvent, sig}, (relay, error) => {
if (error) {
return console.error(error, relay);
}
statusElem.hidden = true;
followBtn.disabled = false;
console.info(`event published by ${relay}`);
});
}
};

@ -0,0 +1,92 @@
/**
* example usage:
*
* const props = {className: 'btn', onclick: async (e) => alert('hi')};
* const btn = elem('button', props, ['download']);
* document.body.append(btn);
*
* @param {string} name
* @param {HTMLElement.prototype} props
* @param {Array<HTMLElement|string>} children
* @return HTMLElement
*/
export function elem(name = 'div', {data, ...props} = {}, children = []) {
const el = document.createElement(name);
Object.assign(el, props);
if (['number', 'string'].includes(typeof children)) {
el.append(children);
} else {
el.append(...children);
}
if (data) {
Object.entries(data).forEach(([key, value]) => el.dataset[key] = value);
}
return el;
}
function isValidURL(url) {
if (!['http:', 'https:'].includes(url.protocol)) {
return false;
}
if (!['', '443', '80'].includes(url.port)) {
return false;
}
if (url.hostname === 'localhost') {
return false;
}
const lastDot = url.hostname.lastIndexOf('.');
if (lastDot < 1) {
return false;
}
if (url.hostname.slice(lastDot) === '.local') {
return false;
}
if (url.hostname.slice(lastDot + 1).match(/^[\d]+$/)) { // there should be no tld with numbers, possible ipv4
return false;
}
if (url.hostname.includes(':')) { // possibly an ipv6 addr; certainly an invalid hostname
return false;
}
return true;
}
export function parseTextContent(string) {
let firstLink;
return [string
.trimRight()
.replaceAll(/\n{3,}/g, '\n\n')
.split('\n')
.map(line => {
const words = line.split(' ');
return words.map(word => {
if (word.match(/^ln(tbs?|bcr?t?)[a-z0-9]+$/g)) {
return elem('a', {
href: `lightning:${word}`
}, `lightning:${word.slice(0, 24)}`);
}
if (!word.match(/(https?:\/\/|www\.)\S*/)) {
return word;
}
try {
if (!word.startsWith('http')) {
word = 'https://' + word;
}
const url = new URL(word);
if (!isValidURL(url)) {
return word;
}
firstLink = firstLink || url.href;
return elem('a', {
href: url.href,
target: '_blank',
rel: 'noopener noreferrer'
}, url.href.slice(url.protocol.length + 2));
} catch (err) {
return word;
}
})
.reduce((acc, word) => [...acc, word, ' '], []);
})
.reduce((acc, words) => [...acc, ...words, elem('br')], []),
{firstLink}];
}

@ -1,64 +0,0 @@
import {Event} from 'nostr-tools';
import {zeroLeadingBitsCount} from './utils/crypto';
export const isEvent = <T>(evt?: T): evt is T => evt !== undefined;
export const isMention = ([tag, , , marker]: string[]) => tag === 'e' && marker === 'mention';
export const isPTag = ([tag]: string[]) => tag === 'p';
export const hasEventTag = (tag: string[]) => tag[0] === 'e';
export const isNotNonceTag = ([tag]: string[]) => tag !== 'nonce';
/**
* validate proof-of-work of a nostr event per nip-13.
* the validation always requires difficulty commitment in the nonce tag.
*
* @param {EventObj} evt event to validate
* TODO: @param {number} targetDifficulty target proof-of-work difficulty
*/
export const validatePow = (evt: Event) => {
const tag = evt.tags.find(tag => tag[0] === 'nonce');
if (!tag) {
return false;
}
const difficultyCommitment = Number(tag[2]);
if (!difficultyCommitment || Number.isNaN(difficultyCommitment)) {
return false;
}
return zeroLeadingBitsCount(evt.id) >= difficultyCommitment;
}
export const sortByCreatedAt = (evt1: Event, evt2: Event) => {
if (evt1.created_at === evt2.created_at) {
// console.log('TODO: OMG exactly at the same time, figure out how to sort then', evt1, evt2);
}
return evt1.created_at > evt2.created_at ? -1 : 1;
};
export const sortEventCreatedAt = (created_at: number) => (
{created_at: a}: Event,
{created_at: b}: Event,
) => (
Math.abs(a - created_at) < Math.abs(b - created_at) ? -1 : 1
);
const isReply = ([tag, , , marker]: string[]) => tag === 'e' && marker !== 'mention';
/**
* find reply-to ID according to nip-10, find marked reply or root tag or
* fallback to positional (last) e tag or return null
* @param {event} evt
* @returns replyToID | null
*/
export const getReplyTo = (evt: Event): string | null => {
const eventTags = evt.tags.filter(isReply);
const withReplyMarker = eventTags.filter(([, , , marker]) => marker === 'reply');
if (withReplyMarker.length === 1) {
return withReplyMarker[0][1];
}
const withRootMarker = eventTags.filter(([, , , marker]) => marker === 'root');
if (withReplyMarker.length === 0 && withRootMarker.length === 1) {
return withRootMarker[0][1];
}
// fallback to deprecated positional 'e' tags (nip-10)
const lastTag = eventTags.at(-1);
return lastTag ? lastTag[1] : null;
};

@ -8,8 +8,7 @@ form,
--padding: 1.2rem;
display: flex;
flex-direction: column;
max-width: var(--content-width);
padding: 0 var(--gap);
padding: var(--gap);
}
fieldset {
@ -22,7 +21,7 @@ legend {
display: none;
width: 100%;
}
#newNote legend {
#newMessage legend {
display: block;
}
@ -44,7 +43,6 @@ label {
transition: background-color var(--transition-duration);
}
input[type="number"],
input[type="password"],
input[type="text"],
input[type="url"],
@ -53,14 +51,9 @@ textarea {
border: .2rem solid #b7b7b7;
border-radius: .2rem;
display: block;
margin: 0 0 var(--gap-half) 0;
margin: 0 0 1.2rem 0;
padding: var(--padding);
}
label.number,
input[type="range"] {
margin: 0 0 var(--gap) 0;
}
input[type="number"]:focus,
input[type="password"]:focus,
input[type="text"]:focus,
input[type="url"]:focus,
@ -83,17 +76,17 @@ textarea {
textarea:focus {
min-height: 3.5rem;
}
#newNote textarea {
#newMessage textarea {
min-height: 10rem;
}
#newNote textarea:focus {
#newMessage textarea:focus {
min-height: 18rem;
}
@media (orientation: portrait) {
#newNote textarea {
#newMessage textarea {
min-height: 8rem;
}
#newNote textarea:focus {
#newMessage textarea:focus {
min-height: 15rem;
}
}
@ -102,65 +95,50 @@ textarea:focus {
align-items: center;
display: flex;
flex-basis: 100%;
justify-content: flex-end;
gap: var(--gap);
justify-content: start;
margin: .6rem 0;
min-height: 2.2rem;
margin-top: 2rem;
min-height: 3.2rem;
}
form .buttons,
.form .buttons,
.form-inline .buttons {
flex-basis: fit-content;
justify-content: end;
}
.buttons img,
.buttons small,
.buttons span {
font-weight: normal;
vertical-align: middle;
margin-top: 0;
}
button {
background-color: transparent;
border: none;
--bg-color: var(--bgcolor-accent);
--border-color: var(--bgcolor-accent);
background-color: var(--bg-color);
border: 0.2rem solid var(--border-color);
border-radius: .2rem;
cursor: pointer;
font-weight: bold;
outline-offset: 1px;
word-break: normal;
}
button:active {
--bg-color: rgb(13, 74, 139);
--border-color: rgb(13, 74, 139);
}
.primary,
.secondary {
border: 0.2rem solid var(--bgcolor-accent);
border-radius: .2rem;
padding: .9rem 2rem .7rem 2rem;
}
.primary {
background-color: var(--bgcolor-accent);
}
.secondary {
background-color: transparent;
}
.secondary:disabled {
border-color: var(--color-accent);
color: var(--color-accent);
}
button:focus {
}
.btn-inline {
--border-color: transparent;
align-items: center;
background: transparent;
color: var(--color-accent);
display: inline-block;
color: var(--color);
display: inline-flex;
gap: .5ch;
line-height: 1;
padding: 0 .6rem;
padding: .6rem;
}
.btn-inline img {
max-height: 18px;
max-width: 18px;
}
.btn-inline img[alt] {
color: #7f7f7f;
line-height: 1px;
}
.btn-inline img[alt]::before {
font-size: 3.4rem;
}
.btn-danger {
@ -176,7 +154,6 @@ button:disabled {
.form-status {
flex-basis: 100%;
flex-grow: 1;
min-height: 1.8rem;
padding: var(--padding);
}
@ -192,13 +169,11 @@ button:disabled {
margin-left: var(--gap);
}
.form-inline button,
.form-inline input[type="number"],
.form-inline input[type="text"],
.form-inline textarea {
margin: .4rem 0;
}
.form-inline input[type="number"],
.form-inline input[type="text"],
.form-inline textarea {
flex-basis: 50%;
@ -212,41 +187,14 @@ button:disabled {
flex-grow: 0;
}
label.number {
display: flex;
flex-direction: row;
flex-wrap: nowrap;
gap: var(--gap);
padding: 0;
}
label.number span {
flex-grow: 1;
padding: 0 0 0 var(--padding);
}
label.number input[type="number"] {
align-self: baseline;
margin-bottom: 0;
}
@media (orientation: landscape) {
label.number span {
align-self: center;
}
label.number input[type="number"] + span {
padding: 0 var(--padding) 0 0;
}
input[type="checkbox"] {
margin: 0;
}
@media (orientation: portrait) {
label.number {
flex-direction: column;
gap: var(--gap-half);
padding: 0;
}
label.number span {
padding: 0 var(--padding);
}
label.number input[type="number"] {
align-self: stretch;
}
label.checkbox {
align-items: baseline;
display: flex;
gap: var(--gap-half);
}
button#publish {
@ -256,7 +204,7 @@ button#publish {
button[name="back"] {
display: none;
}
#newNote button[name="back"] {
#newMessage button[name="back"] {
align-self: end;
display: inherit;
}

@ -2,113 +2,121 @@
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no, viewport-fit=cover">
<meta name="apple-mobile-web-app-status-bar-style" content="default">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>nostr</title>
<link rel="stylesheet" href="/styles/main.css" type="text/css">
<link rel="stylesheet" href="main.css" type="text/css">
<link rel="manifest" href="/manifest.json">
</head>
<body>
<div class="root">
<main>
<aside>
<button name="new-note" id="bubble">
<svg xmlns="http://www.w3.org/2000/svg" width="24" height="21" viewBox="0 0 80.035 70.031">
<path fill="var(--bgcolor-textinput)" stroke="darkmagenta" stroke-width="4" d="M2.463 31.824q0-4.789 1.893-9.248 1.892-4.46 5.361-8.087 3.47-3.626 8.07-6.333 4.598-2.707 10.324-4.2 5.727-1.493 11.836-1.493 6.107 0 11.834 1.492 5.725 1.494 10.325 4.2 4.599 2.708 8.07 6.334 3.47 3.627 5.362 8.087 1.891 4.46 1.891 9.248 0 5.97-2.967 11.384-2.967 5.414-7.982 9.336-5.015 3.922-11.957 6.248-6.94 2.325-14.576 2.325-7.463 0-14.334-2.221l-8.537 6.038q-4.789 3.02-6.733 1.752-1.943-1.266-.867-7.13l1.77-8.886q-4.2-3.887-6.49-8.71-2.29-4.825-2.29-10.136Z"/>
<main class="tabbed">
<input type="radio" name="maintabs" id="settings" class="tab">
<label for="settings">profile</label>
<input type="radio" name="maintabs" id="feed" class="tab" checked>
<label for="feed">feed</label>
<!-- <input type="radio" name="maintabs" id="trending" class="tab">
<label for="trending">trending</label>
<input type="radio" name="maintabs" id="direct" class="tab">
<label for="direct">direct</label>
<input type="radio" name="maintabs" id="chat" class="tab">
<label for="chat">chat</label> -->
<div class="tabs">
<div class="tab-content">
<artcile>
<svg id="bubble" xmlns="http://www.w3.org/2000/svg" width="24" height="21" viewBox="0 0 80.035 70.031">
<path fill="var(--bgcolor-textinput)" stroke="currentColor" stroke-width="2" d="M2.463 31.824q0-4.789 1.893-9.248 1.892-4.46 5.361-8.087 3.47-3.626 8.07-6.333 4.598-2.707 10.324-4.2 5.727-1.493 11.836-1.493 6.107 0 11.834 1.492 5.725 1.494 10.325 4.2 4.599 2.708 8.07 6.334 3.47 3.627 5.362 8.087 1.891 4.46 1.891 9.248 0 5.97-2.967 11.384-2.967 5.414-7.982 9.336-5.015 3.922-11.957 6.248-6.94 2.325-14.576 2.325-7.463 0-14.334-2.221l-8.537 6.038q-4.789 3.02-6.733 1.752-1.943-1.266-.867-7.13l1.77-8.886q-4.2-3.887-6.49-8.71-2.29-4.825-2.29-10.136Z"/>
</svg>
</button>
<section class="view" id="newNote" hidden>
<form action="#" id="writeForm" class="form-inline">
<fieldset>
<legend>write a new note</legend>
<textarea name="message" rows="1"></textarea>
<div class="buttons">
<button type="submit" id="publish" class="primary" disabled>send</button>
<button type="button" name="back" class="primary">back</button>
</div>
<small id="sendstatus" class="form-status"></small>
</fieldset>
</form>
</section>
<section class="view" id="settings" hidden>
<div class="content">
<form action="#" name="profile" autocomplete="new-password">
<label for="profile_name">name</label>
<input type="text" name="name" id="profile_name" autocomplete="off" pattern="[a-zA-Z_0-9][a-zA-Z_\-0-9]+[a-zA-Z_0-9]">
<label for="profile_about">about</label>
<textarea name="about" id="profile_about"></textarea>
<label for="profile_picture">picture</label>
<input type="url" name="picture" id="profile_picture" placeholder="https://your.domain/image.png">
<div class="buttons">
<small id="profilestatus" class="form-status" hidden></small>
<button type="submit" name="publish" class="primary" tabindex="0" disabled>publish</button>
</div>
<div id="newMessage" hidden>
<form action="#" id="writeForm" class="form-inline">
<fieldset>
<legend>write a new note</legend>
<textarea name="message" rows="1"></textarea>
<div class="buttons">
<button type="submit" id="publish" disabled>send</button>
<button type="button" name="back">back</button>
</div>
<small id="sendstatus" class="form-status"></small>
</fieldset>
</form>
<form action="#" name="options">
<label for="filterDifficulty">
difficulty filter<br>
<small>
hide text notes with mining proof lower
than:&nbsp;<span data-display="filter_difficulty"></span>. a zero value shows all notes.
</small>
</label>
<input type="range" name="filter_difficulty" step="1" min="0" max="32" id="filterDifficulty" value="0">
<label class="number" for="miningTarget">
<span>
mining difficulty<br>
<small>
with which difficulty to try to mine a proof of work when publishing events, such as: notes, replies, reactions and profile updates.
use zero to disable mining.
difficulty is defined as the number of leading zero bits, read more about
<a href="https://github.com/nostr-protocol/nips/blob/master/13.md" target="_blank" rel="noopener noreferrer">proof of work (nip-13)</a>.
</small>
</span>
<input type="number" name="mining_target" step="1" min="0" max="32" id="miningTarget" value="16">
</label>
<label class="number" for="miningTimeout">
<span>
mining timeout<br>
<small>abort trying to find a proof if timeout (in seconds) exceeds. use 0 to mine without a time limit.</small>
</span>
<input type="number" name="mining_timeout" step="1" min="0" max="256" id="miningTimeout" value="5">
</label>
</form>
<form action="#" name="settings" autocomplete="new-password">
<label for="pubkey">public-key</label>
<input type="text" id="pubkey" autocomplete="off">
<label for="privatekey">
private-key
<button type="button" name="privatekey-toggle" class="btn-inline" >
<small>show</small>
</button>
</label>
<input type="password" id="privatekey" autocomplete="off">
<div class="buttons">
<small id="keystatus" class="form-status" hidden></small>
<button type="button" name="generate" class="primary" tabindex="0">new</button>
<button type="button" name="import" class="primary" tabindex="0" disabled>save</button>
</div>
</form>
<footer class="text">
<p>
<a href="/about.html">about nostr.ch</a>
</p>
</footer>
</div>
</section>
<section id="errorOverlay" class="form" hidden></section>
</aside>
<!-- views are inserted here -->
</main>
<nav>
<a href="/">home</a>
<a href="/feed">global</a>
<span class="spacer"></span>
<button tpye="button" name="settings">settings</button>
</nav>
</div>
</artcile>
<div class="cards" id="homefeed"></div>
<div id="detail" hidden>
<article class="mbox" id="profile" data-pubkey>
<div class="mbox-body">
<img class="profile-image">
<h2 class="profile-name mbox-username"></h2>
<p class="profile-about"></p>
<dl><dt class="profile-pubkey-label" hidden>pubkey</dt><dd class="profile-pubkey"></dd></dl>
</div>
</article>
<section id="textnote"></section>
</div>
</div>
<div class="tab-content">
<p><a href="https://github.com/nostr-protocol/nips/blob/master/12.md">NIP-12 (generic queries)</a></p>
</div>
<div class="tab-content">
<p><a href="https://github.com/nostr-protocol/nips/blob/master/04.md">NIP-04 (direct msg)</a></p>
</div>
<div class="tab-content">
<p><a href="https://github.com/nostr-protocol/nips/blob/master/28.md">NIP-28 (public chat)</a></p>
</div>
<div class="tab-content">
<!-- <div class="form form-inline">
<input type="text" name="username" id="username" placeholder="username">
<button type="button" name="publish-username" tabindex="0">publish</button>
</div> -->
<form action="#" name="profile" autocomplete="new-password">
<label for="profile_name">name</label>
<input type="text" name="name" id="profile_name" autocomplete="off" pattern="[a-zA-Z_0-9][a-zA-Z_\-0-9]+[a-zA-Z_0-9]">
<label for="profile_about">about</label>
<textarea name="about" id="profile_about"></textarea>
<label for="profile_picture">picture</label>
<input type="url" name="picture" id="profile_picture" placeholder="https://your.domain/image.png">
<div class="buttons">
<small id="profilestatus" class="form-status" hidden></small>
<button type="submit" name="publish" tabindex="0" disabled>publish</button>
</div>
</form>
<form action="#" name="options">
<label class="checkbox" for="duplicates">
<input type="checkbox" name="dropDuplicate" id="duplicates">
<span>
drop duplicate events<br>
<small>ignore events that have already been rendered 5&nbsp;times within the last hour</small>
</span>
</label>
</form>
<form action="#" name="settings" autocomplete="new-password">
<label for="pubkey">public-key</label>
<input type="text" id="pubkey" autocomplete="off">
<label for="privatekey">
private-key
<button type="button" name="privatekey-toggle" class="btn-inline" >
<small>show</small>
</button>
</label>
<input type="password" id="privatekey" autocomplete="off">
<div class="buttons">
<small id="keystatus" class="form-status" hidden></small>
<button type="button" name="generate" tabindex="0">new</button>
<button type="button" name="import" tabindex="0" disabled>save</button>
</div>
</form>
<footer class="text">
<p>
<a href="/about.html">about nostr.ch</a>
</p>
</footer>
</div>
</div>
</main>
</body>
<script src="/main.js"></script>
<script src="main.js"></script>
</html>

@ -0,0 +1,125 @@
@import "tabs.css";
@import "cards.css";
@import "form.css";
@import "write.css";
:root {
/* 5px auto Highlight */
--focus-border-color: rgb(0, 122, 255);
--focus-border-radius: 2px;
--focus-outline-color: rgb(192, 227, 252);
--focus-outline-offset: 2px;
--focus-outline-style: solid;
--focus-outline-width: 2px;
--focus-outline: var(--focus-outline-width) var(--focus-outline-style) var(--focus-outline-color);
--font-small: 1.2rem;
--gap: 2.4rem;
--gap-half: 1.2rem;
}
::selection {
background: #ff79f9;
color: #fff;
}
:where([hidden]) {
display: none !important;
}
@media (prefers-color-scheme: light) {
html {
--bgcolor: #fdfefa;
--bgcolor-accent: #7badfc;
--bgcolor-inactive: #bababa;
--bgcolor-textinput: #fff;
--color: rgb(68 68 68);
--color-accent: rgb(16, 93, 176);
--bgcolor-danger: rgb(255, 80, 80);
}
}
@media (prefers-color-scheme: dark) {
html {
--bgcolor: #191919;
--bgcolor-accent: rgb(16, 93, 176);
--bgcolor-inactive: #434343;
--bgcolor-textinput: #0e0e0e;
--color: #e3e3e3;
--color-accent: #7b7b7b;
--bgcolor-danger: rgb(169, 0, 0);
}
img {
opacity: .75;
transition: opacity .5s ease-in-out;
}
img:hover {
opacity: 1;
}
}
html {
font-size: 62.5%;
line-height: 1;
}
body {
background-color: var(--bgcolor);
color: var(--color);
font-size: 1.6rem;
line-height: 1.5;
margin: 0;
}
h1, h2, h3, h4, h5 { font-weight: normal; }
body,
button,
input,
select,
textarea {
font-family: monospace;
}
small,
time {
font-size: var(--font-small);
}
canvas,
img {
max-width: 100%;
}
.text {
margin: var(--gap);
}
.danger {
background-color: var(--bgcolor-danger);
}
a {
color: var(--color-accent);
}
a:focus {
border-radius: var(--focus-border-radius);
outline: var(--focus-outline);
outline-offset: 0;
}
a:visited {
color: darkmagenta;
}
img[alt] {
font-size: .9rem;
text-align: center;
word-break: break-all;
}
pre {
margin: 0;
padding: .5rem 0;
}

@ -0,0 +1,991 @@
import {relayPool, generatePrivateKey, getPublicKey, signEvent} from 'nostr-tools';
import {elem, parseTextContent} from './domutil.js';
import {dateTime, formatTime} from './timeutil.js';
// curl -H 'accept: application/nostr+json' https://relay.nostr.ch/
const pool = relayPool();
pool.addRelay('wss://relay.nostr.info', {read: true, write: true});
pool.addRelay('wss://nostr.openchain.fr', {read: true, write: true});
// pool.addRelay('wss://relay.damus.io', {read: true, write: true});
pool.addRelay('wss://nostr-relay.wlvs.space', {read: true, write: true});
pool.addRelay('wss://relay.nostr.ch', {read: true, write: true});
pool.addRelay('wss://nostr.sandwich.farm', {read: true, write: true});
function onEvent(evt, relay) {
switch (evt.kind) {
case 0:
handleMetadata(evt, relay);
break;
case 1:
handleTextNote(evt, relay);
break;
case 2:
handleRecommendServer(evt, relay);
break;
case 3:
// handleContactList(evt, relay);
break;
case 7:
handleReaction(evt, relay);
default:
// console.log(`TODO: add support for event kind ${evt.kind}`/*, evt*/)
}
}
let pubkey = localStorage.getItem('pub_key') || (() => {
const privatekey = generatePrivateKey();
const pubkey = getPublicKey(privatekey);
localStorage.setItem('private_key', privatekey);
localStorage.setItem('pub_key', pubkey);
return pubkey;
})();
const subList = [];
const unSubAll = () => {
subList.forEach(sub => sub.unsub());
subList.length = 0;
};
window.addEventListener('popstate', (event) => {
// console.log(`popstate path: ${location.pathname}, state: ${JSON.stringify(event.state)}`);
unSubAll();
if (event.state?.author) {
subProfile(event.state.author);
return;
}
if (event.state?.pubOrEvt) {
subNoteAndProfile(event.state.pubOrEvt);
return;
}
if (event.state?.eventId) {
subTextNote(event.state.eventId);
return;
}
sub24hFeed();
showFeed();
});
switch(location.pathname) {
case '/':
history.pushState({}, '', '/');
sub24hFeed();
break;
default:
const pubOrEvt = location.pathname.slice(1);
if (pubOrEvt.length === 64 && pubOrEvt.match(/^[0-9a-f]+$/)) {
history.pushState({pubOrEvt}, '', `/${pubOrEvt}`);
subNoteAndProfile(pubOrEvt);
}
break;
}
function sub24hFeed() {
subList.push(pool.sub({
cb: onEvent,
filter: {
kinds: [0, 1, 2, 7],
// until: Math.floor(Date.now() * 0.001),
since: Math.floor((Date.now() * 0.001) - (24 * 60 * 60)),
limit: 450,
}
}));
}
function subNoteAndProfile(id) {
subProfile(id);
subTextNote(id);
}
function subTextNote(eventId) {
subList.push(pool.sub({
cb: (evt, relay) => {
clearTextNoteDetail();
showTextNoteDetail(evt, relay);
},
filter: {
ids: [eventId],
kinds: [1],
limit: 1,
}
}));
}
function subProfile(pubkey) {
subList.push(pool.sub({
cb: (evt, relay) => {
renderProfile(evt, relay);
showProfileDetail();
},
filter: {
authors: [pubkey],
kinds: [0],
limit: 1,
}
}));
// get notes for profile
subList.push(pool.sub({
cb: (evt, relay) => {
showTextNoteDetail(evt, relay);
showProfileDetail();
},
filter: {
authors: [pubkey],
kinds: [1],
limit: 150,
}
}));
}
const detailContainer = document.querySelector('#detail');
const profileContainer = document.querySelector('#profile');
const profileAbout = profileContainer.querySelector('.profile-about');
const profileName = profileContainer.querySelector('.profile-name');
const profilePubkey = profileContainer.querySelector('.profile-pubkey');
const profilePubkeyLabel = profileContainer.querySelector('.profile-pubkey-label');
const profileImage = profileContainer.querySelector('.profile-image');
const textNoteContainer = document.querySelector('#textnote');
function clearProfile() {
profileAbout.textContent = '';
profileName.textContent = '';
profilePubkey.textContent = '';
profilePubkeyLabel.hidden = true;
profileImage.removeAttribute('src');
profileImage.hidden = true;
}
function renderProfile(evt, relay) {
profileContainer.dataset.pubkey = evt.pubkey;
profilePubkey.textContent = evt.pubkey;
profilePubkeyLabel.hidden = false;
const content = parseContent(evt.content);
if (content) {
profileAbout.textContent = content.about;
profileName.textContent = content.name;
const noxyImg = getNoxyUrl('data', content.picture, evt.id, relay);
if (noxyImg) {
profileImage.setAttribute('src', getNoxyUrl('data', noxyImg, evt.id, relay));
profileImage.hidden = false;
}
}
}
function showProfileDetail() {
profileContainer.hidden = false;
textNoteContainer.hidden = false;
showDetail();
}
function clearTextNoteDetail() {
textNoteContainer.replaceChildren([]);
}
function showTextNoteDetail(evt, relay) {
if (!textNoteContainer.querySelector(`[data-id="${evt.id}"]`)) {
textNoteContainer.append(createTextNote(evt, relay));
}
textNoteContainer.hidden = false;
profileContainer.hidden = true;
showDetail();
}
function showDetail() {
feedContainer.hidden = true;
detailContainer.hidden = false;
}
function showFeed() {
feedContainer.hidden = false;
detailContainer.hidden = true;
}
document.querySelector('label[for="feed"]').addEventListener('click', () => {
if (location.pathname !== '/') {
showFeed();
history.pushState({}, '', '/');
unSubAll();
sub24hFeed();
}
});
document.body.addEventListener('click', (e) => {
const button = e.target.closest('button');
const pubkey = e.target.closest('[data-pubkey]')?.dataset.pubkey;
const id = e.target.closest('[data-id]')?.dataset.id;
const relay = e.target.closest('[data-relay]')?.dataset.relay;
if (button && button.name === 'reply') {
if (localStorage.getItem('reply_to') === id) {
writeInput.blur();
return;
}
appendReplyForm(button);
localStorage.setItem('reply_to', id);
return;
}
if (button && button.name === 'star') {
upvote(id, relay)
return;
}
if (button && button.name === 'back') {
hideNewMessage(true);
return;
}
const username = e.target.closest('.mbox-username')
if (username) {
history.pushState({author: pubkey}, '', `/${pubkey}`);
unSubAll();
clearProfile();
clearTextNoteDetail();
subProfile(pubkey);
showProfileDetail();
return;
}
const eventTime = e.target.closest('.mbox-header time');
if (eventTime) {
history.pushState({eventId: id, relay}, '', `/${id}`);
unSubAll();
clearTextNoteDetail();
subTextNote(id);
return;
}
// const container = e.target.closest('[data-append]');
// if (container) {
// container.append(...parseTextContent(container.dataset.append));
// delete container.dataset.append;
// return;
// }
});
const textNoteList = []; // could use indexDB
const eventRelayMap = {}; // eventId: [relay1, relay2]
const replyList = [];
const reactionMap = {};
const hasEventTag = tag => tag[0] === 'e';
const dropDuplicateToggle = document.querySelector('#duplicates');
let dropDuplicate = JSON.parse(localStorage.getItem('filter_duplicates')) ?? true;
dropDuplicateToggle.addEventListener('click', (e) => {
localStorage.setItem('filter_duplicates', e.target.checked);
dropDuplicate = e.target.checked;
});
dropDuplicateToggle.checked = dropDuplicate;
function isValidNote(evt) {
if (dropDuplicate) {
const similarEvents = [
...textNoteList.filter(({content}) => content === evt.content),
...replyList.filter(({content}) => content === evt.content),
].filter(({created_at}) => ((created_at + 3600) > evt.created_at));
if (similarEvents?.length >= 5) {
console.info(`DROP event with content: "${evt.content.trim()}" already got ${similarEvents.length} similar events withing the last hour`, similarEvents, `\n dropped event id: ${evt.id}`);
return false;
}
}
return true;
}
function handleTextNote(evt, relay) {
if (!isValidNote(evt)) {
return;
}
if (eventRelayMap[evt.id]) {
eventRelayMap[evt.id] = [relay, ...(eventRelayMap[evt.id])];
} else {
eventRelayMap[evt.id] = [relay];
if (evt.tags.some(hasEventTag)) {
handleReply(evt, relay);
} else {
textNoteList.push(evt);
}
renderFeed();
}
}
const getReactionList = (id) => {
return reactionMap[id]?.map(({content}) => content) || [];
};
function handleReaction(evt, relay) {
if (!evt.content.length) {
// console.log('reaction with no content', evt)
return;
}
const eventTags = evt.tags.filter(hasEventTag);
let replies = eventTags.filter(([tag, eventId, relayUrl, marker]) => marker === 'reply');
if (replies.length === 0) {
// deprecated https://github.com/nostr-protocol/nips/blob/master/10.md#positional-e-tags-deprecated
replies = eventTags.filter((tags) => tags[3] === undefined);
}
if (replies.length !== 1) {
console.log('call me', evt);
return;
}
const [tag, eventId/*, relayUrl, marker*/] = replies[0];
if (reactionMap[eventId]) {
if (reactionMap[eventId].find(reaction => reaction.id === evt.id)) {
// already received this reaction from a different relay
return;
}
reactionMap[eventId] = [evt, ...(reactionMap[eventId])];
} else {
reactionMap[eventId] = [evt];
}
const article = feedDomMap[eventId] || replyDomMap[eventId];
if (article) {
const button = article.querySelector('button[name="star"]');
const reactions = button.querySelector('[data-reactions]');
reactions.textContent = reactionMap[eventId].length;
if (evt.pubkey === pubkey) {
const star = button.querySelector('img[src*="star"]');
star?.setAttribute('src', 'assets/star-fill.svg');
star?.setAttribute('title', getReactionList(eventId).join(' '));
}
}
}
// feed
const feedContainer = document.querySelector('#homefeed');
const feedDomMap = {};
const replyDomMap = {};
const restoredReplyTo = localStorage.getItem('reply_to');
const sortByCreatedAt = (evt1, evt2) => {
if (evt1.created_at === evt2.created_at) {
// console.log('TODO: OMG exactly at the same time, figure out how to sort then', evt1, evt2);
}
return evt1.created_at > evt2.created_at ? -1 : 1;
};
function renderFeed() {
const sortedFeeds = textNoteList.sort(sortByCreatedAt).reverse();
sortedFeeds.forEach((evt, i) => {
if (feedDomMap[evt.id]) {
// TODO check eventRelayMap if event was published to different relays
return;
}
const article = createTextNote(evt, eventRelayMap[evt.id]);
if (i === 0) {
feedContainer.append(article);
} else {
feedDomMap[sortedFeeds[i - 1].id].before(article);
}
feedDomMap[evt.id] = article;
});
}
setInterval(() => {
document.querySelectorAll('time[datetime]').forEach(timeElem => {
timeElem.textContent = formatTime(new Date(timeElem.dateTime));
});
}, 10000);
const getNoxyUrl = (type, url, id, relay) => {
return false;
if (!isHttpUrl(url)) {
return false;
}
const link = new URL(`https://noxy.nostr.ch/${type}`);
link.searchParams.set('id', id);
link.searchParams.set('relay', relay);
link.searchParams.set('url', url);
return link;
}
const fetchQue = [];
let fetchPending;
const fetchNext = (href, id, relay) => {
const noxy = getNoxyUrl('meta', href, id, relay);
if (!noxy) {
return;
}
const previewId = noxy.searchParams.toString();
if (fetchPending) {
fetchQue.push({href, id, relay});
return previewId;
}
fetchPending = fetch(noxy.href)
.then(data => {
if (data.status === 200) {
return data.json();
}
// fetchQue.push({href, id, relay}); // could try one more time
return Promise.reject(data);
})
.then(meta => {
const container = document.getElementById(previewId);
const content = [];
if (meta.images[0]) {
content.push(elem('img', {className: 'preview-image', loading: 'lazy', src: getNoxyUrl('data', meta.images[0], id, relay).href}));
}
if (meta.title) {
content.push(elem('h2', {className: 'preview-title'}, meta.title));
}
if (meta.descr) {
content.push(elem('p', {className: 'preview-descr'}, meta.descr))
}
if (content.length) {
container.append(elem('a', {href, rel: 'noopener noreferrer', target: '_blank'}, content));
container.classList.add('preview-loaded');
}
})
.finally(() => {
fetchPending = false;
if (fetchQue.length) {
const {href, id, relay} = fetchQue.shift();
return fetchNext(href, id, relay);
}
})
.catch(err => err.text && err.text())
.then(errMsg => errMsg && console.warn(errMsg));
return previewId;
};
function linkPreview(href, id, relay) {
if ((/\.(gif|jpe?g|png)$/i).test(href)) {
return elem('div', {},
[elem('img', {className: 'preview-image-only', loading: 'lazy', src: getNoxyUrl('data', href, id, relay).href})]
);
}
const previewId = fetchNext(href, id, relay);
return elem('div', {
className: 'preview',
id: previewId
});
}
function createTextNote(evt, relay) {
const {host, img, isReply, name, replies, time, userName} = getMetadata(evt, relay);
// const isLongContent = evt.content.trimRight().length > 280;
// const content = isLongContent ? evt.content.slice(0, 280) : evt.content;
const hasReactions = reactionMap[evt.id]?.length > 0;
const didReact = hasReactions && !!reactionMap[evt.id].find(reaction => reaction.pubkey === pubkey);
const replyFeed = replies[0] ? replies.map(e => replyDomMap[e.id] = createTextNote(e, relay)) : [];
const [content, {firstLink}] = parseTextContent(evt.content);
const body = elem('div', {className: 'mbox-body'}, [
elem('header', {
className: 'mbox-header',
title: `User: ${userName}\n${time}\n\nUser pubkey: ${evt.pubkey}\n\nRelay: ${host}\n\nEvent-id: ${evt.id}
${evt.tags.length ? `\nTags ${JSON.stringify(evt.tags)}\n` : ''}
${isReply ? `\nReply to ${evt.tags[0][1]}\n` : ''}
${evt.content}`
}, [
elem('small', {}, [
elem('strong', {className: `mbox-username${name ? ' mbox-kind0-name' : ''}`}, name || userName),
' ',
elem('time', {dateTime: time.toISOString()}, formatTime(time)),
]),
]),
elem('div', {/* data: isLongContent ? {append: evt.content.slice(280)} : null*/}, [
...content,
firstLink ? linkPreview(firstLink, evt.id, relay) : ''
]),
elem('button', {
className: 'btn-inline', name: 'star', type: 'button',
data: {'eventId': evt.id, relay},
}, [
elem('img', {
alt: didReact ? '✭' : '✩', // ♥
height: 24, width: 24,
src: `assets/${didReact ? 'star-fill' : 'star'}.svg`,
title: getReactionList(evt.id).join(' '),
}),
elem('small', {data: {reactions: evt.id}}, hasReactions ? reactionMap[evt.id].length : ''),
]),
elem('button', {
className: 'btn-inline', name: 'reply', type: 'button',
data: {'eventId': evt.id, relay},
}, [elem('img', {height: 24, width: 24, src: 'assets/comment.svg'})]),
// replies[0] ? elem('div', {className: 'mobx-replies'}, replyFeed.reverse()) : '',
]);
if (restoredReplyTo === evt.id) {
appendReplyForm(body.querySelector('button[name="reply"]'));
requestAnimationFrame(() => updateElemHeight(writeInput));
}
return renderArticle([
elem('div', {className: 'mbox-img'}, [img]), body,
replies[0] ? elem('div', {className: 'mobx-replies'}, replyFeed.reverse()) : '',
], {data: {id: evt.id, pubkey: evt.pubkey, relay}});
}
function handleReply(evt, relay) {
if (replyDomMap[evt.id]) {
console.log('CALL ME already have reply in replyDomMap', evt, relay);
return;
}
replyList.push(evt);
renderReply(evt, relay);
}
function renderReply(evt, relay) {
const eventId = evt.tags[0][1]; // TODO: double check
const article = feedDomMap[eventId] || replyDomMap[eventId];
if (!article) { // root article has not been rendered
return;
}
let replyContainer = article.querySelector('.mobx-replies');
if (!replyContainer) {
replyContainer = elem('div', {className: 'mobx-replies'});
article.append(replyContainer);
}
const reply = createTextNote(evt, relay);
replyContainer.append(reply);
replyDomMap[evt.id] = reply;
}
const sortEventCreatedAt = (created_at) => (
{created_at: a},
{created_at: b},
) => (
Math.abs(a - created_at) < Math.abs(b - created_at) ? -1 : 1
);
function handleRecommendServer(evt, relay) {
if (feedDomMap[evt.id]) {
return;
}
const art = renderRecommendServer(evt, relay);
if (textNoteList.length < 2) {
feedContainer.append(art);
return;
}
const closestTextNotes = textNoteList.sort(sortEventCreatedAt(evt.created_at));
feedDomMap[closestTextNotes[0].id].after(art);
feedDomMap[evt.id] = art;
}
function handleContactList(evt, relay) {
if (feedDomMap[evt.id]) {
return;
}
const art = renderUpdateContact(evt, relay);
if (textNoteList.length < 2) {
feedContainer.append(art);
return;
}
const closestTextNotes = textNoteList.sort(sortEventCreatedAt(evt.created_at));
feedDomMap[closestTextNotes[0].id].after(art);
feedDomMap[evt.id] = art;
// const user = userList.find(u => u.pupkey === evt.pubkey);
// if (user) {
// console.log(`TODO: add contact list for ${evt.pubkey.slice(0, 8)} on ${relay}`, evt.tags);
// } else {
// tempContactList[relay] = tempContactList[relay]
// ? [...tempContactList[relay], evt]
// : [evt];
// }
}
function renderUpdateContact(evt, relay) {
const {img, time, userName} = getMetadata(evt, relay);
const body = elem('div', {className: 'mbox-body', title: dateTime.format(time)}, [
elem('header', {className: 'mbox-header'}, [
elem('small', {}, [
]),
]),
elem('pre', {title: JSON.stringify(evt.content)}, [
elem('strong', {}, userName),
' updated contacts: ',
JSON.stringify(evt.tags),
]),
]);
return renderArticle([img, body], {className: 'mbox-updated-contact', data: {id: evt.id, pubkey: evt.pubkey, relay}});
}
function renderRecommendServer(evt, relay) {
const {img, name, time, userName} = getMetadata(evt, relay);
const body = elem('div', {className: 'mbox-body', title: dateTime.format(time)}, [
elem('header', {className: 'mbox-header'}, [
elem('small', {}, [
elem('strong', {}, userName)
]),
]),
` recommends server: ${evt.content}`,
]);
return renderArticle([
elem('div', {className: 'mbox-img'}, [img]), body
], {className: 'mbox-recommend-server', data: {id: evt.id, pubkey: evt.pubkey}});
}
function renderArticle(content, props = {}) {
const className = props.className ? ['mbox', props?.className].join(' ') : 'mbox';
return elem('article', {...props, className}, content);
}
const userList = [];
// const tempContactList = {};
function parseContent(content) {
try {
return JSON.parse(content);
} catch(err) {
console.log(evt);
console.error(err);
}
}
function handleMetadata(evt, relay) {
const content = parseContent(evt.content);
if (content) {
setMetadata(evt, relay, content);
}
}
function setMetadata(evt, relay, content) {
let user = userList.find(u => u.pubkey === evt.pubkey);
const picture = getNoxyUrl('data', content.picture, evt.id, relay).href;
if (!user) {
user = {
metadata: {[relay]: content},
...(content.picture && {picture}),
pubkey: evt.pubkey,
};
userList.push(user);
} else {
user.metadata[relay] = {
...user.metadata[relay],
timestamp: evt.created_at,
...content,
};
// use only the first profile pic (for now), different pics on each releay are not supported yet
if (!user.picture) {
user.picture = picture;
}
}
// update profile images
if (user.picture) {
document.body
.querySelectorAll(`canvas[data-pubkey="${evt.pubkey}"]`)
.forEach(canvas => (canvas.parentNode.replaceChild(elem('img', {src: user.picture}), canvas)));
}
if (user.metadata[relay].name) {
document.body
.querySelectorAll(`[data-id="${evt.pubkey}"] .mbox-username:not(.mbox-kind0-name)`)
.forEach(username => {
username.textContent = user.metadata[relay].name;
username.classList.add('mbox-kind0-name');
});
}
// if (tempContactList[relay]) {
// const updates = tempContactList[relay].filter(update => update.pubkey === evt.pubkey);
// if (updates) {
// console.log('TODO: add contact list (kind 3)', updates);
// }
// }
}
function isHttpUrl(string) {
try {
return ['http:', 'https:'].includes(new URL(string).protocol);
} catch (err) {
return false;
}
}
const getHost = (url) => {
try {
return new URL(url).host;
} catch(err) {
return err;
}
}
const elemCanvas = (text) => {
const canvas = elem('canvas', {height: 80, width: 80, data: {pubkey: text}});
const context = canvas.getContext('2d');
const color = `#${text.slice(0, 6)}`;
context.fillStyle = color;
context.fillRect(0, 0, 80, 80);
context.fillStyle = '#111';
context.fillRect(0, 50, 80, 32);
context.font = 'bold 18px monospace';
if (color === '#000000') {
context.fillStyle = '#fff';
}
context.fillText(text.slice(0, 8), 2, 46);
return canvas;
}
function getMetadata(evt, relay) {
const host = getHost(relay);
const user = userList.find(user => user.pubkey === evt.pubkey);
const userImg = user?.picture;
const name = user?.metadata[relay]?.name;
const userName = name || evt.pubkey.slice(0, 8);
const userAbout = user?.metadata[relay]?.about || '';
const img = userImg ? elem('img', {
alt: `${userName} ${host}`,
loading: 'lazy',
src: userImg,
title: `${userName} on ${host} ${userAbout}`,
}) : elemCanvas(evt.pubkey);
const isReply = evt.tags.some(hasEventTag);
const replies = replyList.filter((reply) => reply.tags[0][1] === evt.id);
const time = new Date(evt.created_at * 1000);
return {host, img, isReply, name, replies, time, userName};
}
const writeForm = document.querySelector('#writeForm');
const writeInput = document.querySelector('textarea[name="message"]');
const elemShrink = () => {
const height = writeInput.style.height || writeInput.getBoundingClientRect().height;
const shrink = elem('div', {className: 'shrink-out'});
shrink.style.height = `${height}px`;
shrink.addEventListener('animationend', () => shrink.remove(), {once: true});
return shrink;
}
writeInput.addEventListener('focusout', () => {
const reply_to = localStorage.getItem('reply_to');
if (reply_to && writeInput.value === '') {
writeInput.addEventListener('transitionend', (event) => {
if (!reply_to || reply_to === localStorage.getItem('reply_to') && !writeInput.style.height) { // should prob use some class or data-attr instead of relying on height
writeForm.after(elemShrink());
writeForm.remove();
localStorage.removeItem('reply_to');
}
}, {once: true});
}
});
function appendReplyForm(el) {
writeForm.before(elemShrink());
writeInput.blur();
writeInput.style.removeProperty('height');
el.after(writeForm);
if (writeInput.value && !writeInput.value.trimRight()) {
writeInput.value = '';
} else {
requestAnimationFrame(() => updateElemHeight(writeInput));
}
requestAnimationFrame(() => writeInput.focus());
}
const newMessageDiv = document.querySelector('#newMessage');
document.querySelector('#bubble').addEventListener('click', (e) => {
localStorage.removeItem('reply_to'); // should it forget old replyto context?
newMessageDiv.prepend(writeForm);
hideNewMessage(false);
writeInput.focus();
if (writeInput.value.trimRight()) {
writeInput.style.removeProperty('height');
}
document.body.style.overflow = 'hidden';
requestAnimationFrame(() => updateElemHeight(writeInput));
});
document.body.addEventListener('keyup', (e) => {
if (e.key === 'Escape') {
hideNewMessage(true);
}
});
function hideNewMessage(hide) {
document.body.style.removeProperty('overflow');
newMessageDiv.hidden = hide;
}
async function upvote(eventId, relay) {
const privatekey = localStorage.getItem('private_key');
const newReaction = {
kind: 7,
pubkey, // TODO: lib could check that this is the pubkey of the key to sign with
content: '+',
tags: [['e', eventId, relay, 'reply']],
created_at: Math.floor(Date.now() * 0.001),
};
const sig = await signEvent(newReaction, privatekey).catch(console.error);
if (sig) {
const ev = await pool.publish({...newReaction, sig}, (status, url) => {
if (status === 0) {
console.info(`publish request sent to ${url}`);
}
if (status === 1) {
console.info(`event published by ${url}`);
}
}).catch(console.error);
}
}
// send
const sendStatus = document.querySelector('#sendstatus');
const onSendError = err => sendStatus.textContent = err.message;
const publish = document.querySelector('#publish');
writeForm.addEventListener('submit', async (e) => {
e.preventDefault();
// const pubkey = localStorage.getItem('pub_key');
const privatekey = localStorage.getItem('private_key');
if (!pubkey || !privatekey) {
return onSendError(new Error('no pubkey/privatekey'));
}
const content = writeInput.value.trimRight();
if (!content) {
return onSendError(new Error('message is empty'));
}
const replyTo = localStorage.getItem('reply_to');
const tags = replyTo ? [['e', replyTo, eventRelayMap[replyTo][0]]] : [];
const newEvent = {
kind: 1,
pubkey,
content,
tags,
created_at: Math.floor(Date.now() * 0.001),
};
const sig = await signEvent(newEvent, privatekey).catch(onSendError);
if (sig) {
const ev = await pool.publish({...newEvent, sig}, (status, url) => {
if (status === 0) {
console.info(`publish request sent to ${url}`);
}
if (status === 1) {
sendStatus.textContent = '';
writeInput.value = '';
writeInput.style.removeProperty('height');
publish.disabled = true;
if (replyTo) {
localStorage.removeItem('reply_to');
newMessageDiv.append(writeForm);
}
hideNewMessage(true);
// console.info(`event published by ${url}`, ev);
}
});
}
});
writeInput.addEventListener('input', () => {
publish.disabled = !writeInput.value.trimRight();
updateElemHeight(writeInput);
});
writeInput.addEventListener('blur', () => sendStatus.textContent = '');
function updateElemHeight(el) {
el.style.removeProperty('height');
if (el.value) {
el.style.paddingBottom = 0;
el.style.paddingTop = 0;
el.style.height = el.scrollHeight + 'px';
el.style.removeProperty('padding-bottom');
el.style.removeProperty('padding-top');
}
}
// settings
const settingsForm = document.querySelector('form[name="settings"]');
const privateKeyInput = settingsForm.querySelector('#privatekey');
const pubKeyInput = settingsForm.querySelector('#pubkey');
const statusMessage = settingsForm.querySelector('#keystatus');
const generateBtn = settingsForm.querySelector('button[name="generate"]');
const importBtn = settingsForm.querySelector('button[name="import"]');
const privateTgl = settingsForm.querySelector('button[name="privatekey-toggle"]');
generateBtn.addEventListener('click', () => {
const privatekey = generatePrivateKey();
const pubkey = getPublicKey(privatekey);
if (validKeys(privatekey, pubkey)) {
privateKeyInput.value = privatekey;
pubKeyInput.value = pubkey;
statusMessage.textContent = 'private-key created!';
statusMessage.hidden = false;
}
});
importBtn.addEventListener('click', () => {
const privatekey = privateKeyInput.value;
const pubkeyInput = pubKeyInput.value;
if (validKeys(privatekey, pubkeyInput)) {
localStorage.setItem('private_key', privatekey);
localStorage.setItem('pub_key', pubkeyInput);
statusMessage.textContent = 'stored private and public key locally!';
statusMessage.hidden = false;
pubkey = pubkeyInput;
}
});
settingsForm.addEventListener('input', () => validKeys(privateKeyInput.value, pubKeyInput.value));
privateKeyInput.addEventListener('paste', (event) => {
if (pubKeyInput.value || !event.clipboardData) {
return;
}
if (privateKeyInput.value === '' || ( // either privatekey field is empty
privateKeyInput.selectionStart === 0 // or the whole text is selected and replaced with the clipboard
&& privateKeyInput.selectionEnd === privateKeyInput.value.length
)) { // only generate the pubkey if no data other than the text from clipboard will be used
try {
pubKeyInput.value = getPublicKey(event.clipboardData.getData('text'));
} catch(err) {} // settings form will call validKeys on input and display the error
}
});
function validKeys(privatekey, pubkey) {
try {
if (getPublicKey(privatekey) === pubkey) {
statusMessage.hidden = true;
statusMessage.textContent = 'public-key corresponds to private-key';
importBtn.removeAttribute('disabled');
return true;
} else {
statusMessage.textContent = 'private-key does not correspond to public-key!'
}
} catch (e) {
statusMessage.textContent = `not a valid private-key: ${e.message || e}`;
}
statusMessage.hidden = false;
importBtn.setAttribute('disabled', true);
return false;
}
privateTgl.addEventListener('click', () => {
privateKeyInput.type = privateKeyInput.type === 'text' ? 'password' : 'text';
});
privateKeyInput.value = localStorage.getItem('private_key');
pubKeyInput.value = localStorage.getItem('pub_key');
// profile
const profileForm = document.querySelector('form[name="profile"]');
const profileSubmit = profileForm.querySelector('button[type="submit"]');
const profileStatus = document.querySelector('#profilestatus');
const onProfileError = err => {
profileStatus.hidden = false;
profileStatus.textContent = err.message
};
profileForm.addEventListener('input', (e) => {
if (e.target.nodeName === 'TEXTAREA') {
updateElemHeight(e.target);
}
const form = new FormData(profileForm);
const name = form.get('name');
const about = form.get('about');
const picture = form.get('picture');
profileSubmit.disabled = !(name || about || picture);
});
profileForm.addEventListener('submit', async (e) => {
e.preventDefault();
const form = new FormData(profileForm);
const privatekey = localStorage.getItem('private_key');
const newProfile = {
kind: 0,
pubkey,
content: JSON.stringify(Object.fromEntries(form)),
created_at: Math.floor(Date.now() * 0.001),
tags: [],
};
const sig = await signEvent(newProfile, privatekey).catch(console.error);
if (sig) {
const ev = await pool.publish({...newProfile, sig}, (status, url) => {
if (status === 0) {
console.info(`publish request sent to ${url}`);
}
if (status === 1) {
profileStatus.textContent = 'profile metadata successfully published';
profileStatus.hidden = false;
profileSubmit.disabled = true;
}
}).catch(console.error);
}
});

@ -1,443 +0,0 @@
import {Event, nip19} from 'nostr-tools';
import {zeroLeadingBitsCount} from './utils/crypto';
import {elem} from './utils/dom';
import {bounce} from './utils/time';
import {isWssUrl} from './utils/url';
import {closeSettingsView, config, toggleSettingsView} from './settings';
import {subGlobalFeed, subEventID, subNote, subProfile, subPubkeys, subOwnContacts, subContactList} from './subscriptions'
import {getReplyTo, hasEventTag, isEvent, isMention, sortByCreatedAt, sortEventCreatedAt} from './events';
import {clearView, getViewContent, getViewElem, getViewOptions, setViewElem, view} from './view';
import {handleReaction, handleUpvote} from './reactions';
import {closePublishView, openWriteInput, togglePublishView} from './write';
import {handleMetadata, renderProfile} from './profiles';
import {followContact, getContactUpdateMessage, getContacts, getOwnContacts, refreshFollowing, resetContactList, setContactList, updateContactList, updateFollowBtn} from './contacts';
import {EventWithNip19, EventWithNip19AndReplyTo, textNoteList, replyList} from './notes';
import {createContact, createTextNote, renderEventDetails, renderRecommendServer, renderUpdateContact} from './ui';
// curl -H 'accept: application/nostr+json' https://relay.nostr.ch/
type EventRelayMap = {
[eventId: string]: string[];
};
const eventRelayMap: EventRelayMap = {}; // eventId: [relay1, relay2]
const renderNote = (
evt: EventWithNip19,
i: number,
sortedFeeds: EventWithNip19[],
) => {
if (getViewElem(evt.id)) { // note already in view
return;
}
const article = createTextNote(evt, eventRelayMap[evt.id][0]);
if (i === 0) {
getViewContent().append(article);
} else {
getViewElem(sortedFeeds[i - 1].id).before(article);
}
setViewElem(evt.id, article);
};
const renderContact = (pubkey: string) => {
if (getViewElem(`contact-${pubkey}`)) { // contact already in view
updateFollowBtn(pubkey);
return;
}
const contact = createContact(pubkey);
if (contact) {
getViewContent().append(contact);
setViewElem(`contact-${pubkey}`, contact);
}
};
const hasEnoughPOW = (
[tag, , commitment]: string[],
eventId: string
) => {
return tag === 'nonce' && Number(commitment) >= config.filterDifficulty && zeroLeadingBitsCount(eventId) >= config.filterDifficulty;
};
const renderFeed = bounce(() => {
const view = getViewOptions();
switch (view.type) {
case 'note':
textNoteList
.concat(replyList) // search id in notes and replies
.filter(note => note.id === view.id)
.forEach(renderNote);
break;
case 'profile':
[
...textNoteList // get notes
.filter(note => note.pubkey === view.id),
...replyList.filter(reply => reply.pubkey === view.id) // and replies
.map(reply => textNoteList.find(note => note.id === reply.replyTo)) // and the replied to notes
.filter(isEvent)
]
.sort(sortByCreatedAt)
.reverse()
.forEach(renderNote);
renderProfile(view.id);
refreshFollowing(view.id);
break;
case 'home':
const ids = view.id ? getContacts(view.id) : getOwnContacts();
[
...textNoteList
.filter(note => ids.includes(note.pubkey)),
...replyList // search id in notes and replies
.filter(reply => ids.includes(reply.pubkey))
.map(reply => textNoteList.find(note => note.id === reply.replyTo))
.filter(isEvent),
]
.sort(sortByCreatedAt)
.reverse()
.forEach(renderNote);
break;
case 'feed':
const now = Math.floor(Date.now() * 0.001);
textNoteList
.filter(note => {
// dont render notes from the future
if (note.created_at > now) return false;
// if difficulty filter is configured dont render notes with too little pow
return !config.filterDifficulty || note.tags.some(tag => hasEnoughPOW(tag, note.id))
})
.sort(sortByCreatedAt)
.reverse()
.forEach(renderNote);
break;
case 'contacts':
getContacts(view.id)
.forEach(renderContact);
break;
}
}, 17); // (16.666 rounded, an arbitrary value to limit updates to max 60x per s)
const renderReply = (evt: EventWithNip19AndReplyTo) => {
const parent = getViewElem(evt.replyTo);
if (!parent || getViewElem(evt.id)) {
return;
}
let replyContainer = parent.querySelector('.mbox-replies');
if (!replyContainer) {
replyContainer = elem('div', {className: 'mbox-replies'});
parent.append(replyContainer);
parent.classList.add('mbox-has-replies');
}
const reply = createTextNote(evt, eventRelayMap[evt.id][0]);
replyContainer.append(reply);
setViewElem(evt.id, reply);
};
const handleReply = (evt: EventWithNip19, relay: string) => {
if (
getViewElem(evt.id) // already rendered probably received from another relay
|| evt.tags.some(isMention) // ignore mentions for now
) {
return;
}
const replyTo = getReplyTo(evt);
if (!replyTo) {
return;
}
const evtWithReplyTo = {replyTo, ...evt};
replyList.push(evtWithReplyTo);
renderReply(evtWithReplyTo);
};
const handleTextNote = (evt: Event, relay: string) => {
if (evt.content.startsWith('vmess://') && !evt.content.includes(' ')) {
console.info('drop VMESS encrypted message');
return;
}
if (eventRelayMap[evt.id]) {
eventRelayMap[evt.id] = [...(eventRelayMap[evt.id]), relay]; // TODO: remove eventRelayMap and just check for getViewElem?
} else {
eventRelayMap[evt.id] = [relay];
const evtWithNip19 = {
nip19: {
note: nip19.noteEncode(evt.id),
npub: nip19.npubEncode(evt.pubkey),
},
...evt,
};
if (evt.tags.some(hasEventTag)) {
handleReply(evtWithNip19, relay);
} else {
textNoteList.push(evtWithNip19);
}
}
if (!getViewElem(evt.id)) {
renderFeed();
}
};
const rerenderFeed = () => {
clearView();
renderFeed();
};
config.rerenderFeed = rerenderFeed;
const handleContactList = (evt: Event, relay: string) => {
// TODO: if newer and view.type === 'home' rerenderFeed()
setContactList(evt);
const view = getViewOptions();
if (getViewElem(evt.id)) {
return;
}
if (
view.type === 'contacts'
&& [view.id, config.pubkey].includes(evt.pubkey) // render if contact-list is from current users or current view
) {
renderFeed();
return;
}
if (view.type === 'profile' && view.id === evt.pubkey) {
// use find instead of sort?
const closestTextNotes = textNoteList.sort(sortEventCreatedAt(evt.created_at));
const closestNote = getViewElem(closestTextNotes[0].id);
if (!closestNote) {
// no close note, try later
setTimeout(() => handleContactList(evt, relay), 1500);
return;
};
const [addedContacts, removedContacts] = updateContactList(evt);
const content = getContactUpdateMessage(addedContacts, removedContacts);
if (!content.length) {
// P same as before, maybe only evt.content or 'a' tags changed?
return;
}
const art = renderUpdateContact({...evt, content}, relay);
closestNote.after(art);
setViewElem(evt.id, art);
}
};
const handleRecommendServer = (evt: Event, relay: string) => {
if (getViewElem(evt.id) || !isWssUrl(evt.content)) {
return;
}
const art = renderRecommendServer(evt, relay);
if (textNoteList.length < 2) {
getViewContent().append(art);
} else {
const closestTextNotes = textNoteList
// TODO: prob change to hasEnoughPOW
.filter(note => !config.filterDifficulty || note.tags.some(([tag, , commitment]) => tag === 'nonce' && Number(commitment) >= config.filterDifficulty))
// use find instead of sort?
.sort(sortEventCreatedAt(evt.created_at));
getViewElem(closestTextNotes[0].id)?.after(art); // TODO: note might not be in the dom yet, recommendedServers could be controlled by renderFeed
}
setViewElem(evt.id, art);
};
const onEventDetails = (evt: Event, relay: string) => {
if (getViewElem(evt.id)) {
return;
}
const article = renderEventDetails(evt, relay);
getViewContent().append(article);
setViewElem(evt.id, article);
};
const onEvent = (evt: Event, relay: string) => {
switch (evt.kind) {
case 0:
handleMetadata(evt, relay);
break;
case 1:
handleTextNote(evt, relay);
break;
case 2:
handleRecommendServer(evt, relay);
break;
case 3:
handleContactList(evt, relay);
break;
case 7:
handleReaction(evt, relay);
default:
// console.log(`TODO: add support for event kind ${evt.kind}`/*, evt*/)
}
};
// subscribe and change view
const route = (path: string) => {
if (path === '/') {
const contactList = getOwnContacts();
if (contactList.length) {
subPubkeys(contactList, onEvent);
view('/', {type: 'home'});
} else {
subGlobalFeed(onEvent);
view('/feed', {type: 'feed'});
}
return;
}
if (path === '/feed') {
subGlobalFeed(onEvent);
view('/feed', {type: 'feed'});
} else if (path.length === 64 && path.match(/^\/[0-9a-z]+$/)) {
const {type, data} = nip19.decode(path.slice(1));
if (typeof data !== 'string') {
console.warn('nip19 ProfilePointer, EventPointer and AddressPointer are not yet supported');
return;
}
switch(type) {
case 'note':
subNote(data, onEvent);
view(path, {type: 'note', id: data});
break;
case 'npub':
subProfile(data, onEvent);
view(path, {type: 'profile', id: data});
updateFollowBtn(data);
break;
default:
console.warn(`type ${type} not yet supported`);
}
renderFeed();
} else if (path.length === 73 && path.match(/^\/contacts\/npub[0-9a-z]+$/)) {
const contactNpub = path.slice(10);
const {type: contactType, data: contactPubkey} = nip19.decode(contactNpub);
if (contactType === 'npub') {
subContactList(contactPubkey, onEvent);
view(path, {type: 'contacts', id: contactPubkey});
}
} else if (path.length === 73 && path.match(/^\/timeline\/npub[0-9a-z]+$/)) {
const timelineNpub = path.slice(10);
const {type: timelineType, data: timelinePubkey} = nip19.decode(timelineNpub);
if (timelineType === 'npub') {
const timelinePubkeys = getContacts(timelinePubkey);
subPubkeys(timelinePubkeys, onEvent);
view(path, {type: 'home', id: timelinePubkey});
}
} else if (path.length === 65) {
const eventID = path.slice(1);
subEventID(eventID, onEventDetails);
view(path, {type: 'event', id: eventID});
} else {
console.warn('no support for ', path);
}
};
// onload
route(location.pathname);
subOwnContacts(onEvent); // subscribe after route as routing unsubscribes current subs
// only push a new entry if there is no history onload
if (!history.length) {
history.pushState({}, '', location.pathname);
}
window.addEventListener('popstate', (event) => {
route(location.pathname);
});
const handleLink = (a: HTMLAnchorElement, e: MouseEvent) => {
const href = a.getAttribute('href');
if (typeof href !== 'string') {
console.warn('expected anchor to have href attribute', a);
return;
}
closeSettingsView();
closePublishView();
if (href === location.pathname) {
e.preventDefault();
return;
}
if (
href === '/'
|| href.startsWith('/feed')
|| href.startsWith('/note')
|| href.startsWith('/npub')
|| href.startsWith('/contacts/npub')
|| href.startsWith('/timeline/npub')
|| (href.startsWith('/') && href.length === 65)
) {
route(href);
history.pushState({}, '', href);
e.preventDefault();
}
};
const handleButton = (button: HTMLButtonElement) => {
switch(button.name) {
case 'settings':
toggleSettingsView();
return;
case 'new-note':
togglePublishView();
return;
case 'back':
closePublishView();
return;
case 'import':
resetContactList(config.pubkey);
rerenderFeed();
subOwnContacts(onEvent);
subGlobalFeed(onEvent);
return;
}
const id = button.dataset.id || (button.closest('[data-id]') as HTMLElement)?.dataset.id;
if (id) {
switch(button.name) {
case 'reply':
openWriteInput(button, id);
return;
case 'star':
const note = replyList.find(r => r.id === id) || textNoteList.find(n => n.id === (id));
note && handleUpvote(note);
return;
case 'follow':
followContact(id);
return;
}
}
// const container = e.target.closest('[data-append]');
// if (container) {
// container.append(...parseTextContent(container.dataset.append));
// delete container.dataset.append;
// return;
// }
};
const handleContentClick = (content: HTMLElement) => {
const card = content.closest('article[data-id]') as HTMLElement;
if (
!card
|| !card.dataset.id
|| !card.dataset.kind
|| getSelection()?.toString() // do not navigate if user selects text
) {
return;
}
const {kind, id} = card.dataset;
const href = `/${kind === '1' ? nip19.noteEncode(id) : id}`;
route(href);
history.pushState({}, '', href);
};
document.body.addEventListener('click', (event: MouseEvent) => {
// dont intercept command or shift-click
if (event.metaKey || event.shiftKey) {
return;
}
const target = event.target as HTMLElement;
const a = target?.closest('a');
if (a) {
handleLink(a, event);
return;
}
const button = target?.closest('button');
if (button) {
handleButton(button);
return;
}
const card = target?.closest('.mbox-body');
if (card) {
handleContentClick(card as HTMLElement);
}
});

@ -1,114 +0,0 @@
import { elem } from './utils/dom';
import { getNoxyUrl } from './utils/url';
export const parseJSON = (content: string): unknown => {
try {
return JSON.parse(content);
} catch(err) {
console.warn(err, content);
return null;
}
}
type FetchItem = {
href: string;
id: string;
relay: string;
};
type NoxyData = {
title: string;
descr: string;
images: string[];
};
const fetchQue: Array<FetchItem> = [];
let fetchPending: (null | Promise<NoxyData>) = null;
const fetchNext = (
href: string,
id: string,
relay: string,
) => {
const noxy = getNoxyUrl('meta', href, id, relay);
if (!noxy) {
return false;
}
const previewId = noxy.searchParams.toString();
if (fetchPending) {
fetchQue.push({href, id, relay});
return previewId;
}
fetchPending = fetch(noxy.href)
.then(data => {
if (data.status === 200) {
return data.json();
}
// fetchQue.push({href, id, relay}); // could try one more time
return Promise.reject(data);
})
.then(meta => {
const container = document.getElementById(previewId);
const content: Array<HTMLElement> = [];
if (meta.images[0]) {
const img = getNoxyUrl('data', meta.images[0], id, relay);
img && content.push(
elem('img', {
className: 'preview-image',
loading: 'lazy',
src: img.href,
})
);
}
if (meta.title) {
content.push(elem('h2', {className: 'preview-title'}, meta.title));
}
if (meta.descr) {
content.push(elem('p', {className: 'preview-descr'}, meta.descr))
}
if (container && content.length) {
container.append(elem('a', {href, rel: 'noopener noreferrer', target: '_blank'}, content));
container.classList.add('preview-loaded');
}
})
.finally(() => {
fetchPending = null;
if (fetchQue.length) {
const {href, id, relay} = fetchQue.shift() as FetchItem;
return fetchNext(href, id, relay);
}
})
.catch(err => err.text && err.text())
.then(errMsg => errMsg && console.warn(errMsg));
return previewId;
};
export const linkPreview = (
href: string,
id: string,
relay: string,
) => {
if ((/\.(gif|jpe?g|png)$/i).test(href)) {
const img = getNoxyUrl('data', href, id, relay);
if (!img) {
return null;
}
return elem('div', {},
[elem('img', {
className: 'preview-image-only',
loading: 'lazy',
src: img.href,
})]
);
}
const previewId = fetchNext(href, id, relay);
if (!previewId) {
return null;
}
return elem('div', {
className: 'preview',
id: previewId,
});
};

@ -1,16 +0,0 @@
import {Event} from 'nostr-tools';
export type EventWithNip19 = Event & {
nip19: {
note: string;
npub: string;
}
};
export const textNoteList: Array<EventWithNip19> = []; // could use indexDB
export type EventWithNip19AndReplyTo = EventWithNip19 & {
replyTo: string;
};
export const replyList: Array<EventWithNip19AndReplyTo> = [];

@ -1,149 +0,0 @@
import {Event} from 'nostr-tools';
import {elem, elemCanvas, parseTextContent} from './utils/dom';
import {getNoxyUrl} from './utils/url';
import {getViewElem, getViewOptions} from './view';
import {parseJSON} from './media';
import {sortByCreatedAt} from './events';
type Profile = {
name: string;
about?: string;
picture?: string;
website?: string;
}
const transformMetadata = (data: unknown): Profile | undefined => {
if (!data || typeof data !== 'object' || Array.isArray(data)) {
console.warn('expected nip-01 JSON object with user info, but got something funny', data);
return;
}
const hasNameString = 'name' in data && typeof data.name === 'string';
const hasAboutString = 'about' in data && typeof data.about === 'string';
const hasPictureString = 'picture' in data && typeof data.picture === 'string';
// custom
const hasDisplayName = 'display_name' in data && typeof data.display_name === 'string';
const hasWebsite = 'website' in data && typeof data.website === 'string';
if (!hasNameString && !hasAboutString && !hasPictureString && !hasDisplayName) {
console.warn('expected basic nip-01 user info (name, about, picture) but nothing found', data);
return;
}
const name = (
hasNameString && data.name as string
|| hasDisplayName && data.display_name as string
|| ''
);
return {
name,
...(hasAboutString && {about: data.about as string}),
...(hasPictureString && {picture: data.picture as string}),
...(hasWebsite && {website: data.website as string})
};
};
const profileMap: {
[pubkey: string]: Profile
} = {};
const metadataList: Array<Event> = [];
export const handleMetadata = (evt: Event, relay: string) => {
if (metadataList.find(({id}) => id === evt.id)) {
return;
}
const contactEventList = metadataList.filter(({pubkey}) => pubkey === evt.pubkey);
metadataList.push(evt);
contactEventList.push(evt);
contactEventList.sort(sortByCreatedAt);
if (contactEventList.some(({created_at}) => created_at > evt.created_at) ) {
// evt is older
return;
}
const content = parseJSON(evt.content);
const metadata = transformMetadata(content);
if (!metadata) {
return;
}
profileMap[evt.pubkey] = metadata;
if (metadata.picture) {
const imgUrl = getNoxyUrl('data', metadata.picture, evt.id, relay);
if (imgUrl) {
// update profile images that used some nip-13 work
// if (imgUrl.href && validatePow(evt)) {
// document.body
// .querySelectorAll(`canvas[data-pubkey="${evt.pubkey}"]`)
// .forEach(canvas => canvas.parentNode?.replaceChild(elem('img', {src: imgUrl.href}), canvas));
// }
}
}
if (metadata.name) {
// update profile names
document.body
.querySelectorAll(`[data-profile="${evt.pubkey}"]`)
.forEach((username: HTMLElement) => {
username.textContent = metadata.name;
username.classList.add('mbox-kind0-name');
});
}
if (metadata.about) {
const about = getViewElem(`about-${evt.pubkey}`);
if (about) {
const view = getViewOptions();
about.replaceChildren(...parseTextContent(
view.type === 'contacts'
? metadata.about.split('\n')[0]
: metadata.about
)[0]);
}
}
};
export const getMetadata = (pubkey: string) => {
const user = profileMap[pubkey];
const about = user?.about;
const name = user?.name;
const userName = name || pubkey.slice(0, 8);
// const userImg = user?.picture;
const img = /* (userImg && validatePow(evt)) ? elem('img', {
alt: `${userName} ${host}`,
loading: 'lazy',
src: userImg,
title: `${userName} on ${host} ${userAbout}`,
}) : */ elemCanvas(pubkey);
return {about, img, name, userName};
};
export const renderProfile = (pubkey: string) => {
const header = getViewElem('header');
const metadata = profileMap[pubkey];
if (!header || !metadata) {
return;
}
if (metadata.name) {
const h1 = header.querySelector('h1');
if (h1) {
h1.textContent = metadata.name;
document.title = metadata.name;
} else {
header.append(elem('h1', {}, metadata.name));
}
}
const detail = getViewElem(`detail-${pubkey}`);
if (metadata.about && !detail.children.length) {
const [content] = parseTextContent(metadata.about);
detail?.append(...content);
}
if (metadata.website) {
const website = detail.querySelector('[data-website]');
if (website) {
const url = metadata.website.toLowerCase().startsWith('http') ? metadata.website : `https://${metadata.website}`;
const [content] = parseTextContent(url);
website.replaceChildren(...content);
(website as HTMLDivElement).hidden = false;
} else {
detail.append(elem('div', {data: {website: ''}}, metadata.name));
}
}
};

@ -1,105 +0,0 @@
import {Event, signEvent, UnsignedEvent} from 'nostr-tools';
import {powEvent} from './system';
import {publish} from './relays';
import {hasEventTag} from './events';
import {getViewElem} from './view';
import {config} from './settings';
type ReactionMap = {
[eventId: string]: Array<Event>
};
const reactionMap: ReactionMap = {};
export const getReactions = (eventId: string) => reactionMap[eventId] || [];
export const getReactionContents = (eventId: string) => {
return reactionMap[eventId]?.map(({content}) => content) || [];
};
export const handleReaction = (
evt: Event,
relay: string,
) => {
// last id is the note that is being reacted to https://github.com/nostr-protocol/nips/blob/master/25.md
const lastEventTag = evt.tags.filter(hasEventTag).at(-1);
if (!lastEventTag || !evt.content.length) {
// ignore reactions with no content
return;
}
const [, eventId] = lastEventTag;
if (reactionMap[eventId]) {
if (reactionMap[eventId].find(reaction => reaction.id === evt.id)) {
// already received this reaction from a different relay
return;
}
reactionMap[eventId] = [evt, ...(reactionMap[eventId])];
} else {
reactionMap[eventId] = [evt];
}
const article = getViewElem(eventId);
if (article) {
const button = article.querySelector('button[name="star"]') as HTMLButtonElement;
const reactions = button.querySelector('[data-reactions]') as HTMLElement;
reactions.textContent = `${reactionMap[eventId].length || ''}`;
if (evt.pubkey === config.pubkey) {
const star = button.querySelector('img[src*="star"]');
star?.setAttribute('src', '/assets/star-fill.svg');
star?.setAttribute('title', getReactionContents(eventId).join(' '));
}
}
};
const upvote = async (
eventId: string,
evt: UnsignedEvent,
) => {
const article = getViewElem(eventId);
const reactionBtn = article.querySelector('button[name="star"]') as HTMLButtonElement;
const statusElem = article.querySelector('[data-reactions]') as HTMLElement;
reactionBtn.disabled = true;
const newReaction = await powEvent(evt, {
difficulty: config.difficulty,
statusElem,
timeout: config.timeout,
}).catch(console.warn);
if (!newReaction) {
statusElem.textContent = `${getReactions(eventId)?.length}`;
reactionBtn.disabled = false;
return;
}
const privatekey = localStorage.getItem('private_key');
if (!privatekey) {
statusElem.textContent = 'no private key to sign';
statusElem.hidden = false;
return;
}
const sig = signEvent(newReaction, privatekey);
// TODO: validateEvent
if (sig) {
statusElem.textContent = 'publishing…';
publish({...newReaction, sig}, (relay, error) => {
if (error) {
return console.error(error, relay);
}
console.info(`event published by ${relay}`);
});
reactionBtn.disabled = false;
}
};
export const handleUpvote = (evt: Event) => {
const tags = [
...evt.tags
.filter(tag => ['e', 'p'].includes(tag[0])) // take e and p tags from event
.map(([a, b]) => [a, b]), // drop optional (nip-10) relay and marker fields, TODO: use relay?
['e', evt.id], ['p', evt.pubkey], // last e and p tag is the id and pubkey of the note being reacted to (nip-25)
];
upvote(evt.id, {
kind: 7,
pubkey: config.pubkey,
content: '+',
tags,
created_at: Math.floor(Date.now() * 0.001),
});
};

@ -1,111 +0,0 @@
import {Event, Filter, relayInit, Relay, Sub} from 'nostr-tools';
type SubCallback = (
event: Readonly<Event>,
relay: Readonly<string>,
) => void;
type Subscribe = {
cb: SubCallback;
filter: Filter;
unsub?: boolean;
};
const subList: Array<Sub> = [];
const currentSubList: Array<Subscribe> = [];
const relayMap = new Map<string, Relay>();
export const addRelay = async (url: string) => {
const relay = relayInit(url);
relay.on('connect', () => {
console.info(`connected to ${relay.url}`);
});
relay.on('error', () => {
console.warn(`failed to connect to ${relay.url}`);
});
try {
await relay.connect();
currentSubList.forEach(({cb, filter}) => subscribe(cb, filter, relay));
relayMap.set(url, relay);
} catch {
console.warn(`could not connect to ${url}`);
}
};
export const unsubscribe = (sub: Sub) => {
sub.unsub();
subList.splice(subList.indexOf(sub), 1);
};
const subscribe = (
cb: SubCallback,
filter: Filter,
relay: Relay,
unsub?: boolean
) => {
const sub = relay.sub([filter]);
subList.push(sub);
sub.on('event', (event: Event) => {
cb(event, relay.url);
});
if (unsub) {
sub.on('eose', () => {
// console.log('eose', relay.url);
unsubscribe(sub);
});
}
return sub;
};
export const sub = (obj: Subscribe) => {
currentSubList.push(obj);
relayMap.forEach((relay) => subscribe(obj.cb, obj.filter, relay, obj.unsub));
};
export const subOnce = (
obj: Subscribe & {relay: string}
) => {
const relay = relayMap.get(obj.relay);
if (relay) {
const sub = subscribe(obj.cb, obj.filter, relay);
sub.on('eose', () => {
// console.log('eose', obj.relay);
unsubscribe(sub);
});
}
};
export const unsubAll = () => {
subList.forEach(unsubscribe);
currentSubList.length = 0;
};
type PublishCallback = (
relay: string,
errorMessage?: string,
) => void;
export const publish = (
event: Event,
cb: PublishCallback,
) => {
relayMap.forEach((relay, url) => {
const pub = relay.publish(event);
pub.on('ok', () => {
console.info(`${relay.url} has accepted our event`);
cb(relay.url);
});
pub.on('failed', (reason: any) => {
console.error(`failed to publish to ${relay.url}: ${reason}`);
cb(relay.url, reason);
});
});
};
addRelay('wss://relay.snort.social');
addRelay('wss://nostr.bitcoiner.social');
addRelay('wss://nostr.mom');
addRelay('wss://relay.nostr.bg');
addRelay('wss://nos.lol');
// addRelay('wss://relay.nostr.ch');

@ -1,236 +0,0 @@
import {generatePrivateKey, getPublicKey, signEvent} from 'nostr-tools';
import {updateElemHeight} from './utils/dom';
import {powEvent} from './system';
import {publish} from './relays';
const settingsView = document.querySelector('#settings') as HTMLElement;
export const closeSettingsView = () => settingsView.hidden = true;
export const toggleSettingsView = () => settingsView.hidden = !settingsView.hidden;
let pubkey: string = '';
const loadOrGenerateKeys = () => {
const storedPubKey = localStorage.getItem('pub_key');
if (storedPubKey) {
return storedPubKey;
}
const privatekey = generatePrivateKey();
const pubkey = getPublicKey(privatekey);
localStorage.setItem('private_key', privatekey);
localStorage.setItem('pub_key', pubkey);
return pubkey;
};
let filterDifficulty: number = 0;
let difficulty: number = 16;
let timeout: number = 5;
let rerenderFeed: (() => void) | undefined;
/**
* global config object
* config.pubkey, if not set loaded from localStorage or generate a new key
*/
export const config = {
get pubkey() {
if (!pubkey) {
pubkey = loadOrGenerateKeys();
}
return pubkey;
},
set pubkey(value) {
console.info(`pubkey was set to ${value}`);
pubkey = value;
},
get filterDifficulty() {
return filterDifficulty;
},
get difficulty() {
return difficulty;
},
get timeout() {
return timeout;
},
set rerenderFeed(value: () => void) {
rerenderFeed = value;
}
};
const getNumberFromStorage = (
item: string,
fallback: number,
) => {
const stored = localStorage.getItem(item);
if (!stored) {
return fallback;
}
return Number(stored);
};
// filter difficulty
const filterDifficultyInput = document.querySelector('#filterDifficulty') as HTMLInputElement;
const filterDifficultyDisplay = document.querySelector('[data-display="filter_difficulty"]') as HTMLElement;
filterDifficultyInput.addEventListener('input', (e) => {
localStorage.setItem('filter_difficulty', filterDifficultyInput.value);
filterDifficulty = filterDifficultyInput.valueAsNumber;
filterDifficultyDisplay.textContent = filterDifficultyInput.value;
rerenderFeed && rerenderFeed();
});
filterDifficulty = getNumberFromStorage('filter_difficulty', 0);
filterDifficultyInput.valueAsNumber = filterDifficulty;
filterDifficultyDisplay.textContent = filterDifficultyInput.value;
// mining difficulty target
const miningTargetInput = document.querySelector('#miningTarget') as HTMLInputElement;
miningTargetInput.addEventListener('input', (e) => {
localStorage.setItem('mining_target', miningTargetInput.value);
difficulty = miningTargetInput.valueAsNumber;
});
// arbitrary difficulty default, still experimenting.
difficulty = getNumberFromStorage('mining_target', 16);
miningTargetInput.valueAsNumber = difficulty;
// mining timeout
const miningTimeoutInput = document.querySelector('#miningTimeout') as HTMLInputElement;
miningTimeoutInput.addEventListener('input', (e) => {
localStorage.setItem('mining_timeout', miningTimeoutInput.value);
timeout = miningTimeoutInput.valueAsNumber;
});
timeout = getNumberFromStorage('mining_timeout', 5);
miningTimeoutInput.valueAsNumber = timeout;
// settings
const settingsForm = document.querySelector('form[name="settings"]') as HTMLFormElement;
const privateKeyInput = settingsForm.querySelector('#privatekey') as HTMLInputElement;
const pubKeyInput = settingsForm.querySelector('#pubkey') as HTMLInputElement;
const statusMessage = settingsForm.querySelector('#keystatus') as HTMLElement;
const generateBtn = settingsForm.querySelector('button[name="generate"]') as HTMLButtonElement;
const importBtn = settingsForm.querySelector('button[name="import"]') as HTMLButtonElement;
const privateTgl = settingsForm.querySelector('button[name="privatekey-toggle"]') as HTMLButtonElement;
const validKeys = (
privatekey: string,
pubkey: string,
) => {
try {
if (getPublicKey(privatekey) === pubkey) {
statusMessage.hidden = true;
statusMessage.textContent = 'public-key corresponds to private-key';
importBtn.removeAttribute('disabled');
return true;
} else {
statusMessage.textContent = 'private-key does not correspond to public-key!'
}
} catch (e) {
statusMessage.textContent = `not a valid private-key: ${e.message || e}`;
}
statusMessage.hidden = false;
importBtn.disabled = true;
return false;
};
generateBtn.addEventListener('click', () => {
const privatekey = generatePrivateKey();
const pubkey = getPublicKey(privatekey);
if (validKeys(privatekey, pubkey)) {
privateKeyInput.value = privatekey;
pubKeyInput.value = pubkey;
statusMessage.textContent = 'private-key created!';
statusMessage.hidden = false;
}
});
importBtn.addEventListener('click', () => {
const privatekey = privateKeyInput.value;
const pubkeyInput = pubKeyInput.value;
if (validKeys(privatekey, pubkeyInput)) {
localStorage.setItem('private_key', privatekey);
localStorage.setItem('pub_key', pubkeyInput);
statusMessage.textContent = 'stored private and public key locally!';
statusMessage.hidden = false;
config.pubkey = pubkeyInput;
}
});
settingsForm.addEventListener('input', () => validKeys(privateKeyInput.value, pubKeyInput.value));
privateKeyInput.addEventListener('paste', (event) => {
if (pubKeyInput.value || !event.clipboardData) {
return;
}
if (privateKeyInput.value === '' || ( // either privatekey field is empty
privateKeyInput.selectionStart === 0 // or the whole text is selected and replaced with the clipboard
&& privateKeyInput.selectionEnd === privateKeyInput.value.length
)) { // only generate the pubkey if no data other than the text from clipboard will be used
try {
pubKeyInput.value = getPublicKey(event.clipboardData.getData('text'));
} catch(err) {} // settings form will call validKeys on input and display the error
}
});
privateTgl.addEventListener('click', () => {
privateKeyInput.type = privateKeyInput.type === 'text' ? 'password' : 'text';
});
privateKeyInput.value = localStorage.getItem('private_key') || '';
pubKeyInput.value = localStorage.getItem('pub_key') || '';
// profile
const profileForm = document.querySelector('form[name="profile"]') as HTMLFormElement;
const profileSubmit = profileForm.querySelector('button[type="submit"]') as HTMLButtonElement;
const profileStatus = document.querySelector('#profilestatus') as HTMLElement;
profileForm.addEventListener('input', (e) => {
if (e.target instanceof HTMLElement) {
if (e.target?.nodeName === 'TEXTAREA') {
updateElemHeight(e.target as HTMLTextAreaElement);
}
}
const form = new FormData(profileForm);
const name = form.get('name');
const about = form.get('about');
const picture = form.get('picture');
profileSubmit.disabled = !(name || about || picture);
});
profileForm.addEventListener('submit', async (e) => {
e.preventDefault();
const form = new FormData(profileForm);
const newProfile = await powEvent({
kind: 0,
pubkey: config.pubkey,
content: JSON.stringify(Object.fromEntries(form)),
tags: [],
created_at: Math.floor(Date.now() * 0.001)
}, {
difficulty: config.difficulty,
statusElem: profileStatus,
timeout: config.timeout,
}).catch(console.warn);
if (!newProfile) {
profileStatus.textContent = 'publishing profile data canceled';
profileStatus.hidden = false;
return;
}
const privatekey = localStorage.getItem('private_key');
if (!privatekey) {
profileStatus.textContent = 'no private key to sign';
profileStatus.hidden = false;
return;
}
const sig = signEvent(newProfile, privatekey);
// TODO: validateEvent
if (sig) {
publish({...newProfile, sig}, (relay, error) => {
if (error) {
return console.error(error, relay);
}
console.info(`publish request sent to ${relay}`);
profileStatus.textContent = 'profile successfully published';
profileStatus.hidden = false;
profileSubmit.disabled = true;
});
}
});

@ -1,336 +0,0 @@
/* https://developer.mozilla.org/en-US/docs/Web/CSS/Layout_cookbook/Media_objects */
.mbox {
align-items: center;
border-top: 1px solid var(--bgcolor-nav);
display: flex;
flex-direction: row;
flex-shrink: 0;
flex-wrap: wrap;
/* margin-bottom: 1rem; */
max-width: var(--content-width);
padding: var(--gap-half) var(--gap-half) 0 var(--gap-half);
}
.mbox:last-child {
margin-bottom: 0;
}
.mbox-img {
align-self: start;
background-color: var(--bgcolor-textinput);
border-radius: var(--profileimg-size);
flex-basis: var(--profileimg-size);
flex-shrink: 0;
height: var(--profileimg-size);
margin-right: var(--gap-half);
max-height: var(--profileimg-size);
max-width: var(--profileimg-size);
overflow: clip;
position: relative;
z-index: 2;
}
a.mbox-img:focus {
--focus-border-radius: var(--profileimg-size);
}
.mbox-img canvas,
.mbox-img img {
display: block;
}
.mbox-updated-contact .mbox-img,
.mbox-recommend-server .mbox-img {
--profileimg-size: 2rem;
margin-left: 2rem;
}
.mbox-body {
flex-basis: 100%;
flex-grow: 0;
flex-shrink: 1;
padding-bottom: var(--gap-half);
word-break: break-word;
}
.mbox-img + .mbox-body {
--max-width: calc(100% - var(--profileimg-size) - var(--gap-half));
flex-basis: var(--max-width);
max-width: var(--max-width);
}
.mbox-replies .mbox-replies .mbox-img + .mbox-body {
--max-width: calc(100% - var(--profileimg-size) + var(--gap-half));
}
.mbox-contact .mbox-img + .mbox-body {
--max-width: calc(100% - var(--profileimg-size) - var(--gap-half) - 90px);
}
.mbox-header {
align-items: baseline;
display: flex;
gap: var(--gap-quarter);
justify-content: space-between;
margin: .1rem 0;
min-height: 1.8rem;
}
.mbox-header a {
font-size: var(--font-small);
line-height: var(--lineheight-small);
text-decoration: none;
}
.mbox-header small {
color: var(--color-accent);
white-space: nowrap;
}
.mbox-username {
}
.mbox-kind0-name {
color: var(--color-accent);
}
.mbox-contact {
align-items: start; /* TODO: maybe all .mbox element should have align-items start */
flex-wrap: nowrap;
padding: var(--gap-half);
}
.mbox-contact .mbox-header {
justify-content: start;
}
.mbox-contact .mbox-body {
flex-basis: 100%;
flex-grow: 1;
flex-shrink: 1;
min-width: 0; /* with this mbox-content displays text on one line cutting off text-overflo... */
padding-bottom: 0;
}
.mbox-contact .mbox-content {
overflow: clip;
padding-right: var(--gap-quarter);
text-overflow: ellipsis;
white-space: nowrap;
}
.mbox-cta {
align-items: center;
align-self: center;
display: flex;
white-space: nowrap;
}
.mbox-updated-contact,
.mbox-recommend-server {
padding-bottom: var(--gap-quarter);
}
.mbox-updated-contact .mbox-body,
.mbox-recommend-server .mbox-body {
display: block;
font-size: var(--font-small);
padding-bottom: var(--gap-quarter);
padding-top: 0;
}
.mbox-updated-contact + .mbox-updated-contact,
.mbox-recommend-server + .mbox-updated-contact {
padding-top: 0;
}
.mbox-updated-contact .mbox-header,
.mbox-recommend-server .mbox-header {
display: inline;
}
.mbox-content {
max-width: 100%;
}
.mbox-updated-contact {
margin: 0;
}
.mbox-updated-contact + .mbox-updated-contact {
border-top: none;
}
.mbox {
overflow: clip;
}
.mbox .mbox {
border-top: none;
max-width: 100%;
overflow: visible;
padding: 0;
position: relative;
}
.mbox button:not(#publish) {
--bg-color: none;
--border-color: none;
}
.mbox button img + small:not(:empty) {
padding-left: .5rem;
}
.mbox-replies {
box-sizing: border-box;
flex-basis: 100%;
flex-grow: 1;
flex-shrink: 0;
position: relative;
}
.mbox-replies .mbox-replies {
--reply-padding: 3rem;
margin-bottom: 2px;
padding: 0 0 0 var(--reply-padding);
}
.mbox-replies .mbox-replies .mbox-replies {
--reply-padding: 0;
}
/* direct replies, test with http://localhost:8001/note1aer8780aywqqlfgjjch75uqmkujcdj4edv009nuludwq7w46lkvssclaxx */
.mbox-replies .mbox-replies .mbox:first-child::before {
background: none;
border-color: var(--bgcolor-inactive);;
border-style: solid;
border-width: 0 0 .2rem .2rem;
content: "";
display: block;
height: var(--profileimg-size-quarter);
left: calc(-1 * var(--profileimg-size-quarter));
margin-left: -.1rem;
position: absolute;
top: 0;
width: .8rem;
}
.mbox-replies .mbox-replies .mbox-replies .mbox::before {
content: none;
display: none;
}
/* .mbox-replies .mbox-replies .mbox-replies .mbox::after, */
.mbox-replies .mbox-replies .mbox-replies::before {
content: none;
}
.mbox-body,
.mbox-has-replies:not(:last-child) {
position: relative;
}
.mbox-has-replies > .mbox-body::after,
.mbox-replies .mbox-has-replies:not(:last-child)::after,
.mbox-has-replies:not(:last-child) .mbox > .mbox-body::after,
.mbox-has-replies .mbox:not(:last-child) > .mbox-body::after {
bottom: 0;
content: "";
display: block;
position: absolute;
top: .2rem;
width: .2rem;
}
.mbox-body::after,
.mbox-has-replies::after {
background: var(--bgcolor-inactive);
}
.mbox-has-replies .mbox:not(:last-child) > .mbox-body::after {
left: -33px;
}
/* test with http://localhost:8001/note1aer8780aywqqlfgjjch75uqmkujcdj4edv009nuludwq7w46lkvssclaxx */
.mbox-has-replies .mbox-has-replies .mbox:not(:last-child) > .mbox-body::after {
left: -18px;
}
.mbox-has-replies > .mbox-body::after {
left: -33px;
}
.mbox-has-replies:not(:last-child) .mbox > .mbox-body::after {
left: -33px;
}
.mbox-has-replies:not(:last-child)::after {
left: 18px;
}
.mbox-replies .mbox-has-replies:not(:last-child)::after {
left: 19px;
}
/* test with http://localhost:8001/note1quq9waqtrgl97v3gutg4au4zthetz853u8knsnz65nrqhavxvq8qrp6lyg */
.mbox-replies .mbox-replies .mbox-has-replies:not(:last-child)::after {
left: 7px;
}
.mbox-replies .mbox-replies .mbox-has-replies > .mbox-body::after {
left: -18px;
}
.mbox-has-replies .mbox-has-replies .mbox-has-replies .mbox:not(:last-child) > .mbox-body::after {
left: -18px;
}
.mbox-replies .mbox:not(.mbox-has-replies):last-child > .mbox-body::after {
content: none;
display: none;
}
.mbox-replies .mbox-replies .mbox-has-replies.mbox:not(:last-child) > .mbox-body::after {
left: -18px;
}
.mbox-replies .mbox .mbox .mbox-img {
--profileimg-size: 2rem;
left: -.2rem;
margin-right: .5rem;
margin-top: .2rem;
position: relative;
}
/*
.mbox-replies .mbox-body.mbox-oneline {
display: flex;
flex-wrap: wrap;
font-size: var(--font-small);
padding-bottom: var(--gap-half);
padding-top: var(--gap-eight);
}
@media (orientation: portrait) {
.mbox-replies .mbox .mbox .mbox-body {
}
}
*/
.mbox-replies .mbox .mbox .buttons {
display: none;
}
[data-append]::after {
color: var(--color-accent);
content: "…";
}
.preview-loaded a {
background-color: var(--bgcolor-textinput);
border: 1px solid var(--bgcolor-inactive);
color: var(--color);
display: flex;
flex-direction: column;
margin: var(--gap) 0 0 0;
max-width: 48rem;
padding: 1.5rem 1.8rem;
text-decoration: none;
}
.preview-loaded a:visited {
color: inherit;
}
.preview-title {
font-size: inherit;
margin: 0;
}
.preview-descr {
font-size: var(--font-small);
}
.preview-image {
background-color: rgba(72, 63, 63, 0.07);
margin-bottom: var(--gap);
max-height: 30vh;
object-fit: contain;
}
.preview-image-only {
background-color: var(--bgcolor-textinput);
border: 1px solid var(--bgcolor-inactive);
margin: var(--gap) 0 0 0;
max-width: 48rem;
padding: 1.5rem 1.8rem;
width: 100%;
}

@ -1,24 +0,0 @@
.mbox-img {
opacity: .73;
}
.mbox-replies {
margin-bottom: 4px !important;
outline: 2px dashed rgba(0, 255, 0, 0.15);
outline-offset: -2px;
}
.mbox-replies .mbox-replies {
outline-color: rgba(0, 255, 0, .4);
outline-offset: -4px;
}
.mbox-replies .mbox-replies .mbox-replies {
outline-color: rgba(0, 255, 0, .7);
outline-offset: -6px;
}
.mbox-replies .mbox-replies .mbox-replies .mbox-replies {
outline-color: rgba(210, 255, 0, 1);
outline-offset: -8px;
}
.mbox-replies .mbox-replies .mbox-replies .mbox-replies .mbox-replies {
outline-color: rgb(187, 119, 9);
}

@ -1,39 +0,0 @@
#errorOverlay {
background: var(--bgcolor-danger);
bottom: 0;
color: var(--color-danger);
display: flex;
flex-direction: column;
left: 0;
max-width: 100vw;
overflow: auto;
padding: var(--gap);
position: fixed;
right: 0;
top: 0;
z-index: 100;
}
.error-title {
margin-top: 0;
}
#errorOverlay button {
background-color: var(--bgcolor-danger-input);
border: none;
color: var(--color-danger);
display: inline-block;
}
#errorOverlay button:focus {
outline: 2px solid white;
outline-offset: var(--focus-outline-offset);
}
#errorOverlay .buttons {
max-width: var(--content-width);
}
@media (orientation: portrait) {
#errorOverlay .buttons {
flex-basis: 4rem;
}
}

@ -1,194 +0,0 @@
@import "view.css";
@import "cards.css";
@import "form.css";
@import "write.css";
@import "error.css";
/* @import "debug.css"; */
:root {
--content-width: min(100% - 2.4rem, 96ch);
/* 5px auto Highlight */
--focus-border-color: rgb(0, 122, 255);
--focus-border-radius: .2rem;
--focus-outline-color: rgb(192, 227, 252);
--focus-outline-offset: 2px;
--focus-outline-style: solid;
--focus-outline-width: 2px;
--focus-outline: var(--focus-outline-width) var(--focus-outline-style) var(--focus-outline-color);
--font-small: 1.2rem;
--lineheight-small: 1.5;
--gap: 2.4rem;
--gap-half: 1.2rem;
--gap-quarter: .6rem;
--gap-eight: .3rem;
--profileimg-size: 4rem;
--profileimg-size-half: 2rem;
--profileimg-size-quarter: 1rem;
}
@media (orientation: portrait) {
:root {
--content-width: 100%;
}
}
::selection {
background: #ff79f9;
color: #fff;
}
:where([hidden]) {
display: none !important;
}
@media (prefers-color-scheme: light) {
html {
--color: rgb(43, 43, 43);
--color-accent: rgb(118, 118, 118);
--color-accent-line: rgb(163, 163, 163);
--color-danger: #0e0e0e;
--color-visited: #7467c4;
--color-visited-line: #9083e3;
--color-inverse: #fff;
--bgcolor: #fff;
--bgcolor-nav: gainsboro;
--bgcolor-accent: #5194ff;
--bgcolor-danger: rgb(225, 40, 40);
--bgcolor-danger-input: rgba(255 255 255 / .85);
--bgcolor-inactive: #bababa;
--bgcolor-textinput: #fff;
}
}
@media (prefers-color-scheme: dark) {
html {
--color: #d9d9d9;
--color-accent: #828282;
--color-accent-line: #737373;
--color-danger: #e3e3e3;
--color-visited: #796ae3;
--color-visited-line: #5d4fce;
--color-inverse: #101010;
--bgcolor: #101010;
--bgcolor-nav: rgb(31, 22, 51);
--bgcolor-accent: rgb(16, 77, 176);
--bgcolor-danger: rgb(169, 0, 0);
--bgcolor-danger-input: rgba(0 0 0 / .5);
--bgcolor-inactive: #353638;
--bgcolor-textinput: #0e0e0e;
}
img {
opacity: .75;
transition: opacity .5s ease-in-out;
}
img:hover {
opacity: 1;
}
}
html {
font-size: 62.5%;
line-height: 1;
}
body {
background-color: var(--bgcolor);
color: var(--color);
font-size: 1.6rem;
line-height: 1.375;
word-break: break-word;
}
@media (orientation: portrait) {
body {
font-size: 1.4rem;
line-height: 1.428571428571429;
}
}
html, body {
height: 100%;
margin: 0;
min-height: 100%;
overflow: clip;
}
h1, h2, h3, h4, h5 { font-weight: normal; }
body,
button,
input,
select,
textarea {
font-family: sans-serif;
}
small,
time {
font-size: var(--font-small);
line-height: 1.25;
}
canvas,
img {
max-width: 100%;
}
.text {
padding: 0 var(--gap);
}
.danger {
background-color: var(--bgcolor-danger);
}
a {
color: var(--color-accent);
text-decoration-color: var(--color-accent-line);
text-decoration-line: underline;
text-decoration-style: solid;
text-decoration-thickness: 2px;
}
a .highlight {
color: var(--color);
}
a:focus,
button:focus {
border-radius: var(--focus-border-radius);
outline: var(--focus-outline);
outline-offset: 0;
}
a:visited {
color: var(--color-visited);
text-decoration-color: var(--color-visited-line);
}
nav a:visited {
color: inherit;
}
img[alt] {
font-size: .9rem;
text-align: center;
word-break: break-all;
}
pre {
margin: 0;
padding: 0;
}
dl {
display: grid;
grid-row-gap: var(--gap-half);
grid-template-columns: max-content auto;
}
dt {
color: var(--color-accent);
grid-column-start: 1;
}
dd {
grid-column-start: 2;
}

@ -1,203 +0,0 @@
.root {
display: flex;
height: 100%;
max-height: 100%;
flex-direction: column;
}
@media (orientation: landscape) {
.root {
flex-direction: row-reverse;
}
}
main {
display: flex;
flex-grow: 1;
height: 100%;
overflow: clip;
position: relative;
width: 100%;
}
aside {
z-index: 4;
}
nav {
align-items: center;
background-color: var(--bgcolor-nav);
display: flex;
flex-direction: row;
flex-grow: 1;
flex-shrink: 0;
justify-content: space-between;
min-height: 4.6rem;
overflow-y: auto;
padding: .2rem 1.5rem;
user-select: none;
-webkit-user-select: none;
}
@supports (padding: max(0px)) {
nav {
padding-bottom: env(safe-area-inset-bottom);
}
}
@media (orientation: landscape) {
nav {
align-items: stretch;
flex-direction: column;
justify-content: space-between;
}
}
nav a,
nav button {
--bgcolor-accent: transparent;
--border-color: transparent;
border-radius: 0;
color: inherit;
font-weight: bold;
padding: 1rem;
}
@media (orientation: landscape) {
nav a,
nav button {
padding: 2rem 0;
}
nav .spacer {
flex-grow: 1;
}
nav button:last-child {
margin-bottom: .4rem;
}
}
@media (orientation: portrait) {
nav .spacer {
display: none;
}
}
.view {
background-color: var(--bgcolor);
display: flex;
flex-direction: column;
left: 0;
min-height: 100%;
opacity: 1;
overflow-x: clip;
position: absolute;
top: 0;
transform: translateX(0);
transition: transform .3s cubic-bezier(.465,.183,.153,.946);
width: 100%;
will-change: transform;
z-index: 2;
}
@media (orientation: landscape) {
.view {
transition: opacity .3s cubic-bezier(.465,.183,.153,.946);
}
}
.view.view-next {
z-index: 3;
}
.view.view-prev {
z-index: 1;
}
@media (orientation: portrait) {
.view.view-next {
transform: translateX(100%);
}
.view.view-prev {
transform: translateX(-20%);
}
}
@media (orientation: landscape) {
.view.view-next,
.view.view-next {
opacity: 0;
pointer-events: none;
}
}
.content {
display: flex;
flex-direction: column;
flex-grow: 1;
margin-inline: auto;
overflow-y: auto;
width: 100%;
}
main .content {
height: 1px;
padding-bottom: 10rem;
}
nav .content {
display: flex;
flex-direction: row;
justify-content: space-between;
}
nav a {
text-align: center;
text-decoration: none;
}
.content h1 {
padding: 0;
}
.hero {
--extra-space: calc(var(--profileimg-size) + var(--gap-half));
padding: var(--gap-half);
}
.hero-title {
align-items: baseline;
display: flex;
flex-wrap: wrap;
gap: var(--gap-half);
justify-content: end;
max-width: var(--content-width);
}
.hero-title h1 {
flex-grow: 1;
font-size: 2.1rem;
line-height: 1.285714285714286;
margin-bottom: 0;
margin-top: 2rem;
padding-left: var(--extra-space);
}
.hero-title button {
line-height: 1;
}
.hero p {
max-width: calc(var(--content-width) - var(--extra-space));
padding-left: var(--extra-space);
}
.hero .hero-npub {
color: var(--color-accent);
display: block;
font-size: 1.1rem;
line-height: 1.36363636;
max-width: 100%;
overflow: clip;
text-align: center;
text-overflow: ellipsis;
white-space: nowrap;
}
@media (min-width: 54ch) {
.hero .hero-npub {
padding-left: var(--extra-space);
text-align: left;
}
}
.hero footer {
display: flex;
gap: var(--gap-half);
padding-left: var(--extra-space);
}
.hero footer a {
text-decoration: none;
}

@ -1,328 +0,0 @@
import {Event} from 'nostr-tools';
import {getReplyTo, hasEventTag, isMention, isPTag} from './events';
import {config} from './settings';
import {sub, subOnce, unsubAll} from './relays';
type SubCallback = (
event: Event,
relay: string,
) => void;
export const subPubkeys = (
pubkeys: string[],
onEvent: SubCallback,
) => {
const authorsPrefixes = pubkeys.map(pubkey => pubkey.slice(0, 32));
console.info(`subscribe to homefeed ${authorsPrefixes}`);
unsubAll();
const repliesTo = new Set<string>();
sub({
cb: (evt, relay) => {
if (
evt.tags.some(hasEventTag)
&& !evt.tags.some(isMention)
) {
const note = getReplyTo(evt); // get all reply to events instead?
if (note && !repliesTo.has(note)) {
repliesTo.add(note);
subOnce({
cb: onEvent,
filter: {
ids: [note],
kinds: [1],
limit: 1,
},
relay,
});
}
}
onEvent(evt, relay);
},
filter: {
authors: authorsPrefixes,
kinds: [1],
limit: 20,
},
});
// get metadata
sub({
cb: onEvent,
filter: {
authors: pubkeys,
kinds: [0],
limit: pubkeys.length,
},
unsub: true,
});
};
/** subscribe to global feed */
export const subGlobalFeed = (onEvent: SubCallback) => {
console.info('subscribe to global feed');
unsubAll();
const now = Math.floor(Date.now() * 0.001);
const pubkeys = new Set<string>();
const notes = new Set<string>();
const prefix = Math.floor(config.filterDifficulty / 4); // 4 bits in each '0' character
sub({ // get past events
cb: (evt, relay) => {
pubkeys.add(evt.pubkey);
notes.add(evt.id);
onEvent(evt, relay);
},
filter: {
...(prefix && {ids: ['0'.repeat(prefix)]}),
kinds: [1],
until: now,
...(!prefix && {since: Math.floor(now - (24 * 60 * 60))}),
limit: 100,
},
unsub: true
});
setTimeout(() => {
// get profile info
sub({
cb: onEvent,
filter: {
authors: Array.from(pubkeys),
kinds: [0],
limit: pubkeys.size,
},
unsub: true,
});
pubkeys.clear();
// get reactions
sub({
cb: onEvent,
filter: {
'#e': Array.from(notes),
kinds: [7],
until: now,
since: Math.floor(now - (24 * 60 * 60)),
},
unsub: true,
});
notes.clear();
}, 2000);
// subscribe to future notes, reactions and profile updates
sub({
cb: (evt, relay) => {
onEvent(evt, relay);
if (
evt.kind !== 1
|| pubkeys.has(evt.pubkey)
) {
return;
}
subOnce({ // get profil data
relay,
cb: onEvent,
filter: {
authors: [evt.pubkey],
kinds: [0],
limit: 1,
}
});
},
filter: {
...(prefix && {ids: ['0'.repeat(prefix)]}),
kinds: [0, 1, 7],
since: now,
},
});
};
/** subscribe to global feed */
// export const simpleSub24hFeed = (onEvent: SubCallback) => {
// unsubAll();
// sub({
// cb: onEvent,
// filter: {
// kinds: [0, 1, 2, 7],
// // until: Math.floor(Date.now() * 0.001),
// since: Math.floor((Date.now() * 0.001) - (24 * 60 * 60)),
// limit: 250,
// }
// });
// };
/** subscribe to a note id (nip-19) */
export const subNote = (
eventId: string,
onEvent: SubCallback,
) => {
unsubAll();
sub({
cb: onEvent,
filter: {
ids: [eventId],
kinds: [1],
limit: 1,
},
unsub: true,
});
const replies = new Set<string>();
const onReply = (evt: Event, relay: string) => {
replies.add(evt.id)
onEvent(evt, relay);
unsubAll();
sub({
cb: onEvent,
filter: {
'#e': Array.from(replies),
kinds: [1, 7],
},
unsub: true,
});
};
replies.add(eventId);
setTimeout(() => {
sub({
cb: onReply,
filter: {
'#e': [eventId],
kinds: [1, 7],
},
unsub: true, // TODO: probably keep this subscription also after onReply/unsubAll
});
}, 200);
};
/** subscribe to npub key (nip-19) */
export const subProfile = (
pubkey: string,
onEvent: SubCallback,
) => {
console.info(`subscribe to profile ${pubkey}`);
unsubAll();
sub({
cb: onEvent,
filter: {
authors: [pubkey],
kinds: [0],
limit: 1,
},
});
const repliesTo = new Set<string>();
// get notes for profile
sub({
cb: (evt, relay) => {
if (
evt.tags.some(hasEventTag)
&& !evt.tags.some(isMention)
) {
const note = getReplyTo(evt);
if (note && !repliesTo.has(note)) {
repliesTo.add(note);
subOnce({
relay,
cb: onEvent,
filter: {
ids: [note],
kinds: [1],
limit: 1,
}
});
}
}
onEvent(evt, relay);
},
filter: {
authors: [pubkey],
kinds: [1],
limit: 50,
}
});
setTimeout(() => {
// get contacts
sub({
cb: onEvent,
filter: {
authors: [pubkey, config.pubkey],
kinds: [3],
limit: 6,
},
});
}, 100);
};
export const subEventID = (
id: string,
onEvent: SubCallback,
) => {
unsubAll();
sub({
cb: onEvent,
filter: {
ids: [id],
limit: 1,
},
unsub: true,
});
sub({
cb: onEvent,
filter: {
authors: [id],
limit: 200,
},
unsub: true,
});
};
export const subOwnContacts = (onEvent: SubCallback) => {
sub({
cb: onEvent,
filter: {
authors: [config.pubkey],
kinds: [3],
limit: 1,
},
unsub: true,
});
};
export const subContactList = (
pubkey: string,
onEvent: SubCallback,
) => {
unsubAll();
const pubkeys = new Set<string>();
let newestEvent = 0;
sub({
cb: (evt: Event, relay: string) => {
if (evt.created_at <= newestEvent) {
return;
}
newestEvent = evt.created_at;
const newPubkeys = evt.tags
.filter(isPTag)
.filter(([, p]) => !pubkeys.has(p))
.map(([, p]) => {
pubkeys.add(p);
return p
});
subOnce({
cb: onEvent,
filter: {
authors: newPubkeys,
kinds: [0],
},
relay,
});
onEvent(evt, relay);
},
filter: {
authors: [pubkey],
kinds: [3],
limit: 1,
},
});
};

@ -1,124 +0,0 @@
import {Event, getEventHash, UnsignedEvent} from 'nostr-tools';
import {elem, lockScroll, unlockScroll} from './utils/dom';
const errorOverlay = document.querySelector('section#errorOverlay') as HTMLElement;
type PromptErrorOptions = {
onCancel?: () => void;
onRetry?: () => void;
};
/**
* Creates an error overlay, currently with hardcoded POW related message, this could be come a generic prompt
* @param error message
* @param options {onRetry, onCancel} callbacks
*/
const promptError = (
error: string,
options: PromptErrorOptions,
) => {
const {onCancel, onRetry} = options;
lockScroll();
errorOverlay.replaceChildren(
elem('h1', {className: 'error-title'}, error),
elem('p', {}, 'time ran out finding a proof with the desired mining difficulty. either try again, lower the mining difficulty or increase the timeout in profile settings.'),
elem('div', {className: 'buttons'}, [
onCancel ? elem('button', {data: {action: 'close'}}, 'close') : '',
onRetry ? elem('button', {data: {action: 'again'}}, 'try again') : '',
]),
);
const handleOverlayClick = (e: MouseEvent) => {
if (e.target instanceof Element) {
const button = e.target.closest('button');
if (button) {
switch(button.dataset.action) {
case 'close':
onCancel && onCancel();
break;
case 'again':
onRetry && onRetry();
break;
}
errorOverlay.removeEventListener('click', handleOverlayClick);
errorOverlay.hidden = true;
unlockScroll();
}
}
};
errorOverlay.addEventListener('click', handleOverlayClick);
errorOverlay.hidden = false;
}
type PowEventOptions = {
difficulty: number;
statusElem: HTMLElement;
timeout: number;
};
type WorkerResponse = {
error: string;
event: Event;
};
type HashedEvent = UnsignedEvent & {
id: string;
};
/**
* run proof of work in a worker until at least the specified difficulty.
* if succcessful, the returned event contains the 'nonce' tag
* and the updated created_at timestamp.
*
* powEvent returns a rejected promise if the funtion runs for longer than timeout.
* a zero timeout makes mineEvent run without a time limit.
* a zero mining target just resolves the promise without trying to find a 'nonce'.
*/
export const powEvent = (
evt: UnsignedEvent,
options: PowEventOptions
): Promise<HashedEvent | void> => {
const {difficulty, statusElem, timeout} = options;
if (difficulty === 0) {
return Promise.resolve({
...evt,
id: getEventHash(evt),
});
}
const cancelBtn = elem('button', {className: 'btn-inline'}, [elem('small', {}, 'cancel')]);
statusElem.replaceChildren('working…', cancelBtn);
statusElem.hidden = false;
return new Promise((resolve, reject) => {
const worker = new Worker('/worker.js');
const onCancel = () => {
worker.terminate();
reject(`mining kind ${evt.kind} event canceled`);
};
cancelBtn.addEventListener('click', onCancel);
worker.onmessage = (msg: MessageEvent<WorkerResponse>) => {
worker.terminate();
cancelBtn.removeEventListener('click', onCancel);
if (msg.data.error) {
promptError(msg.data.error, {
onCancel: () => reject(`mining kind ${evt.kind} event canceled`),
onRetry: async () => {
const result = await powEvent(evt, {difficulty, statusElem, timeout}).catch(console.warn);
resolve(result);
}
})
} else {
resolve(msg.data.event);
}
};
worker.onerror = (err) => {
worker.terminate();
// promptError(msg.data.error, {});
cancelBtn.removeEventListener('click', onCancel);
reject(err);
};
worker.postMessage({event: evt, difficulty, timeout});
});
};

@ -0,0 +1,76 @@
.tabs {
flex-basis: 100%;
margin-top: 4rem;
}
.tabs .tab-content { display: none; }
#feed:checked ~ .tabs .tab-content:nth-child(1),
#trending:checked ~ .tabs .tab-content:nth-child(2),
#direct:checked ~ .tabs .tab-content:nth-child(3),
#chat:checked ~ .tabs .tab-content:nth-child(4),
#settings:checked ~ .tabs .tab-content:nth-child(5) { display: block; }
input[type="radio"].tab {
clip: rect(0, 0, 0, 0);
height: 0;
overflow: hidden;
position: absolute;
width: 0;
}
.tab + label {
background-color: var(--bgcolor-textinput);
border: none;
color: var(--color);
display: inline-block;
margin-left: var(--gap);
margin-top: var(--gap);
outline: 2px solid var(--bgcolor-accent);
padding: 1rem 1.5em;
position: relative;
top: 1px;
z-index: 11;
}
input[type="radio"]:checked + label {
background: var(--bgcolor-accent);
}
.tab:focus + label,
.tab:active + label {
border-color: var(--focus-border-color);
border-radius: var(--focus-border-radius);
outline: var(--focus-outline);
outline-offset: var(--focus-outline-offset);
}
.tab-content {
max-width: 96ch;
min-height: 200px;
padding: var(--gap-half) 0 100px 0;
}
.tabbed {
align-items: start;
display: flex;
flex-wrap: wrap;
}
@media (orientation: portrait) {
.tabbed {
align-items: start;
display: flex;
flex-direction: row-reverse;
flex-wrap: wrap;
justify-content: start;
}
.tabs {
height: 100vh;
height: 100dvh;
margin-top: 0;
order: 1;
overflow: scroll;
width: 100vw;
}
.tab + label {
margin-top: calc(-3 * var(--gap));
margin-left: var(--gap);
order: 2;
}
}

@ -1,83 +0,0 @@
import {nip19} from 'nostr-tools';
import {elem} from './utils/dom';
export type DOMMap = {
[id: string]: HTMLElement
};
export type ViewTemplateOptions = {
type: 'home';
id?: string;
} | {
type: 'feed';
} | {
type: 'note';
id: string;
} | {
type: 'profile';
id: string;
} | {
type: 'contacts';
id: string;
} | {
type: 'event';
id: string;
};
export const renderViewTemplate = (options: ViewTemplateOptions) => {
const content = elem('div', {className: 'content'});
const dom: DOMMap = {};
switch (options.type) {
case 'home':
break;
case 'feed':
break;
case 'profile':
const pubkey = options.id;
const npub = nip19.npubEncode(pubkey);
const about = elem('span');
const detail = elem('p', {}, about);
const followStatus = elem('small');
const followBtn = elem('button', {
className: 'primary',
name: 'follow',
data: {'id': options.id}
}, 'follow');
const following = elem('span');
const profileHeader = elem('header', {className: 'hero'}, [
elem('small', {className: 'hero-npub'}, npub),
elem('div', {className: 'hero-title'}, [
elem('h1', {}, pubkey),
followStatus,
followBtn,
]),
detail,
elem('footer', {}, following),
]);
dom.header = profileHeader;
dom[`about-${pubkey}`] = about;
dom[`detail-${pubkey}`] = detail;
dom.following = following;
dom[`followStatus-${pubkey}`] = followStatus;
dom[`followBtn-${pubkey}`] = followBtn;
content.append(profileHeader);
document.title = pubkey;
break;
case 'note':
break;
case 'contacts':
break;
case 'event':
const id = options.id;
content.append(
elem('header', {className: 'hero'}, [
elem('h1', {}, id),
])
);
document.title = id;
break;
}
const view = elem('section', {className: 'view'}, [content]);
return {content, dom, view};
};

@ -1,57 +1,28 @@
/**
* throttle and debounce given function in regular time interval,
* but with the difference that the last call will be debounced and therefore never missed.
* @param {*} function to throttle and debounce
* @param {*} time desired interval to execute function
* @returns callback
*/
export const bounce = (
fn: () => void,
time: number,
) => {
let throttle: number | undefined;
let debounce: number | undefined;
return (/*...args*/) => {
if (throttle) {
clearTimeout(debounce);
debounce = setTimeout(() => fn(/*...args*/), time);
return;
}
fn(/*...args*/);
throttle = setTimeout(() => {
clearTimeout(throttle);
}, time);
};
};
/**
* Intl.DateTimeFormat object
*
*
* example:
*
*
* console.log(dateTime.format(new Date()));
*/
export const dateTime = new Intl.DateTimeFormat(navigator.language /* navigator.language */, {
export const dateTime = new Intl.DateTimeFormat('de-ch' /* navigator.language */, {
dateStyle: 'medium',
timeStyle: 'short',
});
/**
* format time relative to now, such as 5min ago
*
* @param {Date} time
*
* @param {Date} time
* @param {string} locale
* @returns string
*
*
* example:
*
*
* console.log(timeAgo(new Date(Date.now() - 10000)));
*
*
*/
const timeAgo = (
time: Date,
locale: string = 'en',
) => {
const timeAgo = (time, locale = 'en') => {
const relativeTime = new Intl.RelativeTimeFormat(locale, {
numeric: 'auto',
style: 'long',
@ -84,7 +55,7 @@ const timeAgo = (
* @param {time} date object to format
* @return string
*/
export const formatTime = (time: Date) => {
export const formatTime = (time) => {
const yesterday = new Date(Date.now() - (24 * 60 * 60 * 1000));
if (time > yesterday) {
return timeAgo(time);

@ -1,225 +0,0 @@
import {Event, nip19} from 'nostr-tools';
import {Children, elem, elemArticle, parseTextContent} from './utils/dom';
import {dateTime, formatTime} from './utils/time';
import {/*validatePow,*/ sortByCreatedAt} from './events';
import {getViewElem, getViewOptions, setViewElem} from './view';
import {config} from './settings';
import {getReactions, getReactionContents} from './reactions';
import {openWriteInput} from './write';
// import {linkPreview} from './media';
import {parseJSON} from './media';
import {getMetadata} from './profiles';
import {EventWithNip19, replyList} from './notes';
import {isFollowing} from './contacts';
setInterval(() => {
document.querySelectorAll('time[datetime]').forEach((timeElem: HTMLTimeElement) => {
timeElem.textContent = formatTime(new Date(timeElem.dateTime));
});
}, 10000);
export const createTextNote = (
evt: EventWithNip19,
relay: string,
) => {
const {img, name, userName} = getMetadata(evt.pubkey);
const replies = replyList.filter(({replyTo}) => replyTo === evt.id)
.sort(sortByCreatedAt)
.reverse();
// const isLongContent = evt.content.trimRight().length > 280;
// const content = isLongContent ? evt.content.slice(0, 280) : evt.content;
const reactions = getReactions(evt.id);
const didReact = reactions.length && !!reactions.find(reaction => reaction.pubkey === config.pubkey);
const [content, {firstLink}] = parseTextContent(evt.content);
const time = new Date(evt.created_at * 1000);
const buttons = elem('div', {className: 'buttons'}, [
elem('button', {name: 'reply', type: 'button'}, [
elem('img', {height: 24, width: 24, src: '/assets/comment.svg'})
]),
elem('button', {name: 'star', type: 'button'}, [
elem('img', {
alt: didReact ? '✭' : '✩', // ♥
height: 24, width: 24,
src: `/assets/${didReact ? 'star-fill' : 'star'}.svg`,
title: getReactionContents(evt.id).join(' '),
}),
elem('small', {data: {reactions: ''}}, reactions.length || ''),
]),
]);
if (localStorage.getItem('reply_to') === evt.id) {
openWriteInput(buttons, evt.id);
}
const replyFeed: Array<HTMLElement> = replies[0] ? replies.map(e => setViewElem(e.id, createTextNote(e, relay))) : [];
return elemArticle([
elem('a', {className: 'mbox-img', href: `/${evt.nip19.npub}`, tabIndex: -1}, img),
elem('div', {className: 'mbox-body'}, [
elem('header', {
className: 'mbox-header',
title: `User: ${userName}\n${time}\n\nUser pubkey: ${evt.pubkey}\n\nRelay: ${relay}\n\nEvent-id: ${evt.id}
${evt.tags.length ? `\nTags ${JSON.stringify(evt.tags)}\n` : ''}
${evt.content}`
}, [
elem('a', {
className: `mbox-username${name ? ' mbox-kind0-name' : ''}`,
data: {profile: evt.pubkey},
href: `/${evt.nip19.npub}`,
}, name || userName),
' ',
elem('a', {href: `/${evt.nip19.note}`}, elem('time', {dateTime: time.toISOString()}, formatTime(time))),
]),
elem('div', {className: 'mbox-content'/* data: isLongContent ? {append: evt.content.slice(280)} : null*/}, content /*[
...content,
(firstLink && validatePow(evt)) ? linkPreview(firstLink, evt.id, relay) : null,
]*/),
buttons,
]),
...(replies[0] ? [elem('div', {className: 'mbox-replies'}, replyFeed)] : []),
], {
className: replies.length ? 'mbox-has-replies' : '',
data: {kind: evt.kind, id: evt.id, pubkey: evt.pubkey, relay}
});
};
type EventWithContent = Omit<Event, 'content'> & {
content: Children
}
export const renderUpdateContact = (
evt: EventWithContent,
relay: string,
) => {
const {img, name, userName} = getMetadata(evt.pubkey);
const time = new Date(evt.created_at * 1000);
return elemArticle([
elem('div', {className: 'mbox-img'}, img),
elem('div', {className: 'mbox-body'}, [
elem('header', {className: 'mbox-header'}, [
elem('span', {
className: `mbox-username${name ? ' mbox-kind0-name' : ''}`,
data: {profile: evt.pubkey},
}, name || userName),
' ',
elem('span', {data: {contacts: evt.id}, title: time.toISOString()}, evt.content),
]),
]),
], {
className: 'mbox-updated-contact',
data: {kind: evt.kind, id: evt.id, pubkey: evt.pubkey, relay}
}
);
};
export const renderRecommendServer = (evt: Event, relay: string) => {
const {img, userName} = getMetadata(evt.pubkey);
const time = new Date(evt.created_at * 1000);
const body = elem('div', {className: 'mbox-body', title: dateTime.format(time)}, [
elem('header', {className: 'mbox-header'}, [
elem('small', {}, [
elem('strong', {}, userName)
]),
]),
` recommends server: ${evt.content}`,
]);
return elemArticle([
elem('div', {className: 'mbox-img'}, [img]), body
], {
className: 'mbox-recommend-server',
data: {kind: evt.kind, id: evt.id, pubkey: evt.pubkey}
});
};
export const renderEventDetails = (evt: Event, relay: string) => {
const {img, name, userName} = getMetadata(evt.pubkey);
const npub = nip19.npubEncode(evt.pubkey);
let content = (![1, 7].includes(evt.kind) && evt.content !== '') ? parseJSON(evt.content) : (evt.content || '<empty>');
switch (typeof content) {
case 'object':
content = JSON.stringify(content, null, 2);
break;
default:
content = `${content}`;
}
const body = elem('div', {className: 'mbox-body'}, [
elem('header', {className: 'mbox-header'}, [
elem('a', {
className: `mbox-username${name ? ' mbox-kind0-name' : ''}`,
data: {profile: evt.pubkey},
href: `/${npub}`,
}, name || userName),
]),
elem('dl', {}, [
elem('dt', {}, 'npub'),
elem('dd', {}, npub),
elem('dt', {}, 'created at'),
elem('dd', {}, dateTime.format(evt.created_at * 1000)),
elem('dt', {}, 'relay'),
elem('dd', {}, relay),
]),
elem('h2', {}, 'Event'),
elem('dl', {}, [
elem('dt', {}, 'id'),
elem('dd', {}, evt.id),
elem('dt', {}, 'kind'),
elem('dd', {}, evt.kind),
elem('dt', {}, 'pubkey'),
elem('dd', {}, evt.pubkey),
elem('dt', {}, 'tags count'),
elem('dd', {}, evt.tags.length),
elem('dt', {}, 'tags'),
elem('dd', {}, JSON.stringify(evt.tags)),
elem('dt', {}, 'content'),
elem('dd', {}, elem('pre', {}, content as string)),
]),
]);
return elemArticle([
elem('a', {className: 'mbox-img', href: `/${npub}`, tabIndex: -1}, img),
body,
], {
className: 'mbox-plain-event',
data: {kind: evt.kind, id: evt.id, pubkey: evt.pubkey}
});
};
export const createContact = (pubkey: string) => {
const {about: aboutContent, img, name, userName} = getMetadata(pubkey);
const npub = nip19.npubEncode(pubkey);
const view = getViewOptions();
if (view.type !== 'contacts') {
return null;
}
const isMe = config.pubkey === pubkey;
const isCurrentUser = view.id === pubkey;
const hasContact = isFollowing(pubkey);
const followStatus = elem('small');
const followBtn = elem('button', {
className: hasContact ? 'secondary' : 'primary',
...(isMe && {disabled: true}),
name: 'follow',
data: {id: pubkey}
}, hasContact ? (isMe ? 'following' : 'unfollow') : 'follow');
const about = elem('div', {className: 'mbox-content'}, aboutContent);
setViewElem(`about-${pubkey}`, about);
setViewElem(`followStatus-${pubkey}`, followStatus);
setViewElem(`followBtn-${pubkey}`, followBtn);
return elemArticle([
elem('a', {className: 'mbox-img', href: `/${npub}`, tabIndex: -1}, img),
elem('div', {className: 'mbox-body'}, [
elem('header', {className: 'mbox-header'}, [
elem('a', {
className: `mbox-username${name ? ' mbox-kind0-name' : ''}`,
data: {profile: pubkey},
href: `/${npub}`,
}, name || userName),
(isMe || isCurrentUser)
? elem('small', {}, isMe ? '(your user)' : '(current user)')
: null,
]),
about,
]),
elem('div', {className: 'mbox-cta'}, [followStatus, followBtn]),
], {
className: 'mbox-contact',
data: {pubkey},
});
};

@ -1,8 +0,0 @@
/**
* type-guarded function that tells TypeScript (in strictNullChecks mode) that you're filtering out null/undefined items.
* example: array.filter(isNotNull)
*/
export const isNotNull = <T>(item: T): item is NonNullable<T> => item != null;
// alternative
// const const isNotNull = <T>(item: T | null): item is T => item !== null;

@ -1,24 +0,0 @@
/**
* evaluate the difficulty of hex32 according to nip-13.
* @param hex32 a string of 64 chars - 32 bytes in hex representation
*/
export const zeroLeadingBitsCount = (hex32: string) => {
let count = 0;
for (let i = 0; i < 64; i += 2) {
const hexbyte = hex32.slice(i, i + 2); // grab next byte
if (hexbyte === '00') {
count += 8;
continue;
}
// reached non-zero byte; count number of 0 bits in hexbyte
const bits = parseInt(hexbyte, 16).toString(2).padStart(8, '0');
for (let b = 0; b < 8; b++) {
if (bits[b] === '1' ) {
break; // reached non-zero bit; stop
}
count += 1;
}
break;
}
return count;
};

@ -1,201 +0,0 @@
import {nip19} from 'nostr-tools';
import {isNotNull} from './array';
import {isValidURL} from './url';
type DataAttributes = {
data: {
[key: string]: string | number;
},
} & {
dataset: never, // the dataset property itself is readonly
};
type Attributes<Type> = Partial<Type & DataAttributes>;
export type Children = Array<HTMLElement | string | null> | HTMLElement | string | number | null;
/**
* example usage:
*
* const props = {className: 'btn', onclick: async (e) => alert('hi')};
* const btn = elem('button', props, ['download']);
* document.body.append(btn);
*
* @param {string} name
* @param {HTMLElement.prototype} props
* @param {Array<Node> | string | number} children
* @return HTMLElement
*/
export const elem = <Name extends keyof HTMLElementTagNameMap>(
name: Extract<Name, keyof HTMLElementTagNameMap>,
attrs?: Attributes<HTMLElementTagNameMap[Name]>,
children?: Children | undefined,
): HTMLElementTagNameMap[Name] => {
const el = document.createElement(name);
if (attrs) {
const {data, ...props} = attrs;
Object.assign(el, props);
if (data) {
Object.entries(data).forEach(([key, value]) => {
el.dataset[key] = value as string;
});
}
}
if (children != null) {
if (Array.isArray(children)) {
el.append(...children.filter(isNotNull));
} else {
switch (typeof children) {
case 'number':
el.append(`${children}`);
break;
case 'string':
el.append(children);
break;
default:
if (children instanceof Element) {
el.append(children);
break;
}
console.error(`expected element, string or number but got ${typeof children}`, children);
}
}
}
return el;
};
/** freeze global page scrolling */
export const lockScroll = () => document.body.style.overflow = 'hidden';
/** free global page scrolling */
export const unlockScroll = () => document.body.style.removeProperty('overflow');
/**
* example usage:
*
* const [content, {firstLink}] = parseTextContent('Hi<br>click https://nostr.ch/');
*
* @param {string} content
* @returns [Array<string | HTMLElement>, {firstLink: href}]
*/
export const parseTextContent = (
content: string,
): [
Array<string | HTMLAnchorElement | HTMLBRElement>,
{firstLink: string | undefined},
] => {
let firstLink: string | undefined;
const parsedContent = content
.trim()
.replaceAll(/\n{3,}/g, '\n\n')
.split('\n')
.map(line => {
const words = line.split(/\s/);
return words.map(word => {
if (word.match(/^ln(tbs?|bcr?t?)[a-z0-9]+$/g)) {
return elem('a', {
href: `lightning:${word}`
}, `lightning:${word.slice(0, 24)}`);
}
if (word.startsWith('nostr:npub') && word.length === 69) {
const npub = word.slice(6);
const {type, data} = nip19.decode(npub);
if (type === 'npub') {
return elem('a', {href: `/${npub}`, data: {profile: data}}, data.slice(6, 15))
}
}
const WORD = word.toUpperCase();
if (!WORD.match(/^(HTTPS?:\/\/|WWW\.)\S*/)) {
return word;
}
try {
if (!WORD.startsWith('HTTP')) {
word = 'https://' + word;
}
const url = new URL(word);
if (!isValidURL(url)) {
return word;
}
firstLink = firstLink || url.href;
const prettierWithoutSlash = url.pathname === '/';
return elem('a', {
href: url.href,
target: '_blank',
rel: 'noopener noreferrer'
}, url.href.slice(url.protocol.length + 2, prettierWithoutSlash ? -1 : undefined));
} catch (err) {
return word;
}
})
.reduce((acc, word) => [...acc, word, ' '], []);
})
.reduce((acc, words) => [...acc, ...words, elem('br')], []);
return [
parsedContent,
{firstLink}
];
};
/**
* creates a small profile image
* @param text to pass pubkey
* @returns HTMLCanvasElement | null
*/
export const elemCanvas = (text: string) => {
const canvas = elem('canvas', {
height: 80,
width: 80,
data: {pubkey: text}
});
const context = canvas.getContext('2d');
if (!context) {
return null;
}
const color = `#${text.slice(0, 6)}`;
context.fillStyle = color;
context.fillRect(0, 0, 80, 80);
context.fillStyle = '#202122';
context.fillRect(0, 50, 80, 32);
context.font = 'bold 18px monospace';
if (color === '#000000') {
context.fillStyle = '#fff';
}
context.fillText(text.slice(0, 8), 2, 46);
return canvas;
};
/**
* creates a placeholder element that animates the height to 0
* @param element to get the initial height from
* @returns HTMLDivElement
*/
export const elemShrink = (el: HTMLElement) => {
const height = el.style.height || el.getBoundingClientRect().height;
const shrink = elem('div', {className: 'shrink-out'});
shrink.style.height = `${height}px`;
shrink.addEventListener('animationend', () => shrink.remove(), {once: true});
return shrink;
};
export const updateElemHeight = (
el: HTMLInputElement | HTMLTextAreaElement
) => {
el.style.removeProperty('height');
if (el.value) {
el.style.paddingBottom = '0';
el.style.paddingTop = '0';
el.style.height = el.scrollHeight + 'px';
el.style.removeProperty('padding-bottom');
el.style.removeProperty('padding-top');
}
};
export const elemArticle = (
content: Array<HTMLElement>,
attrs: Attributes<HTMLElementTagNameMap['div']> = {},
) => {
const className = attrs.className ? `mbox ${attrs.className}` : 'mbox';
return elem('article', {...attrs, className}, content);
};

@ -1,65 +0,0 @@
export const getHost = (url: string) => {
try {
return new URL(url).host;
} catch(err) {
return err;
}
};
export const isHttpUrl = (url: string) => {
try {
return ['http:', 'https:'].includes(new URL(url).protocol);
} catch (err) {
return false;
}
};
export const isWssUrl = (url: string) => {
try {
return 'wss:' === new URL(url).protocol;
} catch (err) {
return false;
}
};
export const getNoxyUrl = (
type: 'data' | 'meta',
url: string,
id: string,
relay: string,
) => {
if (!isHttpUrl(url)) {
return false;
}
const link = new URL(`https://noxy.nostr.ch/${type}`);
link.searchParams.set('id', id);
link.searchParams.set('relay', relay);
link.searchParams.set('url', url);
return link;
};
export const isValidURL = (url: URL) => {
if (!['http:', 'https:'].includes(url.protocol)) {
return false;
}
if (!['', '443', '80'].includes(url.port)) {
return false;
}
if (url.hostname === 'localhost') {
return false;
}
const lastDot = url.hostname.lastIndexOf('.');
if (lastDot < 1) {
return false;
}
if (url.hostname.slice(lastDot) === '.local') {
return false;
}
if (url.hostname.slice(lastDot + 1).match(/^[\d]+$/)) { // there should be no tld with numbers, possible ipv4
return false;
}
if (url.hostname.includes(':')) { // possibly an ipv6 addr; certainly an invalid hostname
return false;
}
return true;
};

@ -1,92 +0,0 @@
import {DOMMap, renderViewTemplate, ViewTemplateOptions} from './template';
type Container = {
id: string;
options: ViewTemplateOptions,
view: HTMLElement;
content: HTMLDivElement;
dom: DOMMap;
};
const containers: Array<Container> = [];
let activeContainerIndex = -1;
export const getViewContent = () => containers[activeContainerIndex]?.content;
/**
* clears current view so it is empty and ready to be re-used.
* only clears the current view, not all views
*/
export const clearView = () => {
const domMap = containers[activeContainerIndex]?.dom;
Object.keys(domMap).forEach(eventId => delete domMap[eventId]);
getViewContent().replaceChildren();
};
/**
* get elmenet stored in internal DOMMap of the current view
* alternative to internal map in view.dom, is to use id="" attribute, however same event could be shown in different views so event.id is not unique.
*/
export const getViewElem = (id: string) => {
return containers[activeContainerIndex]?.dom[id];
};
/**
* store element in internal view.dom map using id as key
*/
export const setViewElem = (id: string, node: HTMLElement) => {
const container = containers[activeContainerIndex];
if (container) {
container.dom[id] = node;
}
return node;
};
const mainContainer = document.querySelector('main') as HTMLElement;
const createContainer = (
route: string,
options: ViewTemplateOptions,
) => {
const {content, dom, view} = renderViewTemplate(options);
const container = {id: route, options, view, content, dom};
mainContainer.append(view);
containers.push(container);
return container;
};
type GetViewOptions = () => ViewTemplateOptions;
/**
* get options for current view
* @returns {id: 'home' | 'feed' | 'profile' | 'note' | 'contacts' | 'event', id?: string}
*/
export const getViewOptions: GetViewOptions = () => containers[activeContainerIndex]?.options || {type: 'feed'};
/**
* changes the current view and transitions to the view specified by route
* example:
* view('/npub0293ji3gojaed32r4r412', {type: 'feed})
*/
export const view = (
route: string,
options: ViewTemplateOptions,
) => {
const active = containers[activeContainerIndex];
const nextContainer = containers.find(c => c.id === route) || createContainer(route, options);
const nextContainerIndex = containers.indexOf(nextContainer);
if (nextContainerIndex === activeContainerIndex) {
return;
}
if (active) {
nextContainer.view.classList.add('view-next');
}
requestAnimationFrame(() => {
requestAnimationFrame(() => {
nextContainer.view.classList.remove('view-next', 'view-prev');
});
active?.view.classList.add(nextContainerIndex < activeContainerIndex ? 'view-next' : 'view-prev');
activeContainerIndex = nextContainerIndex;
});
};

@ -1,42 +0,0 @@
import {getEventHash} from 'nostr-tools';
import {zeroLeadingBitsCount} from './utils/crypto';
const mine = (event, difficulty, timeout = 5) => {
const max = 256; // arbitrary
if (!Number.isInteger(difficulty) || difficulty < 0 || difficulty > max) {
throw new Error(`difficulty must be an integer between 0 and ${max}`);
}
// continue with mining
let n = BigInt(0);
event.tags.unshift(['nonce', n.toString(), `${difficulty}`]);
const until = Math.floor(Date.now() * 0.001) + timeout;
console.time('pow');
while (true) {
const now = Math.floor(Date.now() * 0.001);
if (timeout !== 0 && (now > until)) {
console.timeEnd('pow');
throw 'timeout';
}
if (now !== event.created_at) {
event.created_at = now;
// n = BigInt(0); // could reset nonce as we have a new timestamp
}
event.tags[0][1] = (++n).toString();
const id = getEventHash(event);
if (zeroLeadingBitsCount(id) === difficulty) {
console.timeEnd('pow');
return {id, ...event};
}
}
};
addEventListener('message', (msg) => {
const {difficulty, event, timeout} = msg.data;
try {
const minedEvent = mine(event, difficulty, timeout);
postMessage({event: minedEvent});
} catch (err) {
postMessage({error: err});
}
});

@ -1,31 +1,20 @@
#bubble {
background-color: darkmagenta;
border-color: darkmagenta;
border-radius: 10rem;
bottom: 5rem;
bottom: 4rem;
height: 10rem;
padding: 0;
position: fixed;
right: 5rem;
width: 10rem;
z-index: 1;
z-index: 12;
}
@media (orientation: portrait) {
#bubble {
bottom: 7rem;
right: 3rem;
height: 7rem;
width: 7rem;
bottom: calc(2 * var(--gap));
right: var(--gap);
}
}
#bubble svg {
height: 100%;
position: relative;
width: 100%;
top: .5rem;
}
#newNote {
#newMessage {
align-items: center;
display: flex;
height: 100vh;
@ -36,12 +25,12 @@
z-index: 20;
}
@media (orientation: portrait) {
#newNote {
#newMessage {
align-items: start;
}
}
#newNote #writeForm {
#newMessage #writeForm {
align-items: start;
background-color: var(--bgcolor);
display: flex;
@ -57,11 +46,11 @@
padding: 2rem;
}
#newNote .form-inline textarea {
#newMessage .form-inline textarea {
flex-basis: 100%;
margin: var(--gap) 0;
}
#newNote .buttons {
#newMessage .buttons {
align-self: end;
}

@ -1,154 +0,0 @@
import {signEvent} from 'nostr-tools';
import {elemShrink, updateElemHeight} from './utils/dom';
import {powEvent} from './system';
import {config} from './settings';
import {publish} from './relays';
// form used to write and publish textnotes for replies and new notes
const writeForm = document.querySelector('#writeForm') as HTMLFormElement;
const writeInput = document.querySelector('textarea[name="message"]') as HTMLTextAreaElement;
// overlay for writing new text notes
const publishView = document.querySelector('#newNote') as HTMLElement;
const openWriteView = () => {
publishView.append(writeForm);
if (writeInput.value.trimRight()) {
writeInput.style.removeProperty('height');
}
requestAnimationFrame(() => {
updateElemHeight(writeInput);
writeInput.focus();
});
publishView.removeAttribute('hidden');
};
export const closePublishView = () => publishView.hidden = true;
export const togglePublishView = () => {
if (publishView.hidden) {
localStorage.removeItem('reply_to'); // should it forget old replyto context?
openWriteView();
} else {
publishView.hidden = true;
}
};
const appendReplyForm = (el: HTMLElement) => {
writeForm.before(elemShrink(writeInput));
writeInput.blur();
writeInput.style.removeProperty('height');
el.after(writeForm);
if (writeInput.value && !writeInput.value.trimRight()) {
writeInput.value = '';
} else {
requestAnimationFrame(() => updateElemHeight(writeInput));
}
requestAnimationFrame(() => writeInput.focus());
};
const closeWriteInput = () => writeInput.blur();
export const openWriteInput = (
button: HTMLElement,
id: string,
) => {
appendReplyForm(button.closest('.buttons') as HTMLElement);
localStorage.setItem('reply_to', id);
};
export const toggleWriteInput = (
button: HTMLElement,
id: string,
) => {
if (id && localStorage.getItem('reply_to') === id) {
closeWriteInput();
return;
}
appendReplyForm(button.closest('.buttons') as HTMLElement);
localStorage.setItem('reply_to', id);
};
// const updateWriteInputHeight = () => updateElemHeight(writeInput);
writeInput.addEventListener('focusout', () => {
const reply_to = localStorage.getItem('reply_to');
if (reply_to && writeInput.value === '') {
writeInput.addEventListener('transitionend', (event) => {
if (!reply_to || reply_to === localStorage.getItem('reply_to') && !writeInput.style.height) { // should prob use some class or data-attr instead of relying on height
writeForm.after(elemShrink(writeInput));
writeForm.remove();
localStorage.removeItem('reply_to');
}
}, {once: true});
}
});
// document.body.addEventListener('keyup', (e) => {
// if (e.key === 'Escape') {
// hideNewMessage(true);
// }
// });
const sendStatus = document.querySelector('#sendstatus') as HTMLElement;
const publishBtn = document.querySelector('#publish') as HTMLButtonElement;
const onSendError = (err: Error) => sendStatus.textContent = err.message;
writeForm.addEventListener('submit', async (e) => {
e.preventDefault();
const privatekey = localStorage.getItem('private_key');
if (!config.pubkey || !privatekey) {
return onSendError(new Error('no pubkey/privatekey'));
}
const content = writeInput.value.trimRight();
if (!content) {
return onSendError(new Error('message is empty'));
}
const replyTo = localStorage.getItem('reply_to');
const close = () => {
sendStatus.textContent = '';
writeInput.value = '';
writeInput.style.removeProperty('height');
publishBtn.disabled = true;
if (replyTo) {
localStorage.removeItem('reply_to');
publishView.append(writeForm);
}
publishView.hidden = true;
};
const tags = replyTo ? [['e', replyTo]] : []; // , eventRelayMap[replyTo][0]
const newEvent = await powEvent({
kind: 1,
content,
pubkey: config.pubkey,
tags,
created_at: Math.floor(Date.now() * 0.001),
}, {
difficulty: config.difficulty,
statusElem: sendStatus,
timeout: config.timeout,
}).catch(console.warn);
if (!newEvent) {
close();
return;
}
const sig = signEvent(newEvent, privatekey);
// TODO validateEvent
if (sig) {
sendStatus.textContent = 'publishing…';
publish({...newEvent, sig}, (relay, error) => {
if (error) {
return console.log(error, relay);
}
console.info(`publish request sent to ${relay}`);
close();
});
}
});
writeInput.addEventListener('input', () => {
publishBtn.disabled = !writeInput.value.trimRight();
updateElemHeight(writeInput);
});
writeInput.addEventListener('blur', () => sendStatus.textContent = '');

@ -1,18 +0,0 @@
{
"compilerOptions": {
"alwaysStrict": true,
"moduleResolution": "node",
"noImplicitAny": true,
"noImplicitThis": true,
"strictBindCallApply": true,
"strictFunctionTypes": false,
"strictNullChecks": true,
"target": "es2022"
},
"exclude": [
"dist",
"esbuildconf.js",
"node_modules",
"**/*.test.ts"
]
}
Loading…
Cancel
Save