Get rid of Twemoji as a dependency

Fixes #2126
This commit is contained in:
JC Brand 2020-07-10 10:41:29 +02:00
parent 22573cf79b
commit d7bc129ce3
4 changed files with 137 additions and 170 deletions

215
package-lock.json generated
View File

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"integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
"dev": true
},
"unpipe": {
"version": "1.0.0",

View File

@ -3,7 +3,7 @@
* @copyright 2020, the Converse.js contributors
* @license Mozilla Public License (MPLv2)
*/
import * as twemoji from "twemoji";
import { ASCII_REPLACE_REGEX, CODEPOINTS_REGEX } from './emoji_regexes.js';
import { Model } from '@converse/skeletor/src/model.js';
import { _converse, api, converse } from "./converse-core";
import { find, isString, uniq } from "lodash-es";
@ -32,10 +32,39 @@ const ASCII_LIST = {
'=#':'1f636', ':)':'1f642', '=]':'1f642', '=)':'1f642', ':]':'1f642'
};
let shortnames_regex;
const ASCII_REGEX = '(\\*\\\\0\\/\\*|\\*\\\\O\\/\\*|\\-___\\-|\\:\'\\-\\)|\'\\:\\-\\)|\'\\:\\-D|\\>\\:\\-\\)|>\\:\\-\\)|\'\\:\\-\\(|\\>\\:\\-\\(|>\\:\\-\\(|\\:\'\\-\\(|O\\:\\-\\)|0\\:\\-3|0\\:\\-\\)|0;\\^\\)|O;\\-\\)|0;\\-\\)|O\\:\\-3|\\-__\\-|\\:\\-Þ|\\:\\-Þ|\\<\\/3|<\\/3|\\:\'\\)|\\:\\-D|\'\\:\\)|\'\\=\\)|\'\\:D|\'\\=D|\\>\\:\\)|>\\:\\)|\\>;\\)|>;\\)|\\>\\=\\)|>\\=\\)|;\\-\\)|\\*\\-\\)|;\\-\\]|;\\^\\)|\'\\:\\(|\'\\=\\(|\\:\\-\\*|\\:\\^\\*|\\>\\:P|>\\:P|X\\-P|\\>\\:\\[|>\\:\\[|\\:\\-\\(|\\:\\-\\[|\\>\\:\\(|>\\:\\(|\\:\'\\(|;\\-\\(|\\>\\.\\<|>\\.<|#\\-\\)|%\\-\\)|X\\-\\)|\\\\0\\/|\\\\O\\/|0\\:3|0\\:\\)|O\\:\\)|O\\=\\)|O\\:3|B\\-\\)|8\\-\\)|B\\-D|8\\-D|\\-_\\-|\\>\\:\\\\|>\\:\\\\|\\>\\:\\/|>\\:\\/|\\:\\-\\/|\\:\\-\\.|\\:\\-P|\\:Þ|\\:Þ|\\:\\-b|\\:\\-O|O_O|\\>\\:O|>\\:O|\\:\\-X|\\:\\-#|\\:\\-\\)|\\(y\\)|\\<3|<3|\\:D|\\=D|;\\)|\\*\\)|;\\]|;D|\\:\\*|\\=\\*|\\:\\(|\\:\\[|\\=\\(|\\:@|;\\(|D\\:|\\:\\$|\\=\\$|#\\)|%\\)|X\\)|B\\)|8\\)|\\:\\/|\\:\\\\|\\=\\/|\\=\\\\|\\:L|\\=L|\\:P|\\=P|\\:b|\\:O|\\:X|\\:#|\\=X|\\=#|\\:\\)|\\=\\]|\\=\\)|\\:\\])';
const ASCII_REPLACE_REGEX = new RegExp("<object[^>]*>.*?<\/object>|<span[^>]*>.*?<\/span>|<(?:object|embed|svg|img|div|span|p|a)[^>]*>|((\\s|^)"+ASCII_REGEX+"(?=\\s|$|[!,.?]))", "gi");
function toCodePoint(unicode_surrogates) {
const r = [];
let p = 0;
let i = 0;
while (i < unicode_surrogates.length) {
const c = unicode_surrogates.charCodeAt(i++);
if (p) {
r.push((0x10000 + ((p - 0xD800) << 10) + (c - 0xDC00)).toString(16));
p = 0;
} else if (0xD800 <= c && c <= 0xDBFF) {
p = c;
} else {
r.push(c.toString(16));
}
}
return r.join('-');
}
function fromCodePoint (codepoint) {
let code = typeof codepoint === 'string' ? parseInt(codepoint, 16) : codepoint;
if (code < 0x10000) {
return String.fromCharCode(code);
}
code -= 0x10000;
return String.fromCharCode(
0xD800 + (code >> 10),
0xDC00 + (code & 0x3FF)
);
}
function convert (unicode) {
@ -56,7 +85,7 @@ function convert (unicode) {
}
return parts.join('');
}
return twemoji.default.convert.fromCodePoint(unicode);
return fromCodePoint(unicode);
}
@ -126,23 +155,27 @@ export function getShortnameReferences (text) {
}
function parseStringForEmojis(str, callback) {
const UFE0Fg = /\uFE0F/g;
const U200D = String.fromCharCode(0x200D);
return String(str).replace(CODEPOINTS_REGEX, (emoji, _, offset) => {
const icon_id = toCodePoint(emoji.indexOf(U200D) < 0 ? emoji.replace(UFE0Fg, '') : emoji);
if (icon_id) callback(icon_id, emoji, offset);
});
}
export function getCodePointReferences (text) {
const references = [];
const how = {
callback: (icon_id) => {
const emoji = convert(icon_id);
const begin = text.indexOf(emoji);
references.push({
'emoji': emoji,
'end': begin + emoji.length,
'shortname': u.getEmojisByAtrribute('cp')[icon_id]['sn'],
begin,
cp: icon_id
});
return false;
}
};
twemoji.default.parse(text, how);
parseStringForEmojis(text, (icon_id, emoji, offset) => {
references.push({
'begin': offset,
'cp': icon_id,
'emoji': emoji,
'end': offset + emoji.length,
'shortname': u.getEmojisByAtrribute('cp')[icon_id]['sn'],
});
});
return references;
}
@ -173,7 +206,7 @@ converse.plugins.add('converse-emoji', {
const { ___ } = _converse;
api.settings.extend({
'emoji_image_path': twemoji.default.base,
'emoji_image_path': 'https://twemoji.maxcdn.com/v/12.1.6/',
'emoji_categories': {
"smileys": ":grinning:",
"people": ":thumbsup:",
@ -206,8 +239,6 @@ converse.plugins.add('converse-emoji', {
}
});
twemoji.default.base = api.settings.get('emoji_image_path');
/**
* Model for storing data related to the Emoji picker widget
@ -281,12 +312,11 @@ converse.plugins.add('converse-emoji', {
if (words.length === 0 || words.length > 3) {
return false;
}
const rejects = words.filter(text => {
const result = twemoji.default.parse(u.shortnamesToUnicode(text));
const match = result.match(/<img class="emoji" draggable="false" alt=".*?" src=".*?\.png"\/>/);
return !match || match.length !== 1;
const emojis = words.filter(text => {
const refs = getCodePointReferences(u.shortnamesToUnicode(text));
return refs.length === 1 && (text === refs[0]['shortname'] || text === refs[0]['emoji']);
});
return rejects.length === 0;
return emojis.length === words.length;
},
/**

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@ -42,7 +42,6 @@
"localforage": "^1.7.3",
"lodash-es": "^4.17.15",
"pluggable.js": "2.0.1",
"strophe.js": "1.3.6",
"twemoji": "^12.1.2"
"strophe.js": "1.3.6"
}
}