116 lines
5 KiB
JavaScript
116 lines
5 KiB
JavaScript
import { autoPlayGif, useSystemEmojiFont } from 'flavours/glitch/initial_state';
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import unicodeMapping from './emoji_unicode_mapping_light';
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import { assetHost } from 'flavours/glitch/utils/config';
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import Trie from 'substring-trie';
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const trie = new Trie(Object.keys(unicodeMapping));
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// Convert to file names from emojis. (For different variation selector emojis)
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const emojiFilenames = (emojis) => {
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return emojis.map(v => unicodeMapping[v].filename);
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};
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// Emoji requiring extra borders depending on theme
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const darkEmoji = emojiFilenames(['🎱', '🐜', '⚫', '🖤', '⬛', '◼️', '◾', '◼️', '✒️', '▪️', '💣', '🎳', '📷', '📸', '♣️', '🕶️', '✴️', '🔌', '💂♀️', '📽️', '🍳', '🦍', '💂', '🔪', '🕳️', '🕹️', '🕋', '🖊️', '🖋️', '💂♂️', '🎤', '🎓', '🎥', '🎼', '♠️', '🎩', '🦃', '📼', '📹', '🎮', '🐃', '🏴', '🐞', '🕺', '📱', '📲', '🚲']);
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const lightEmoji = emojiFilenames(['👽', '⚾', '🐔', '☁️', '💨', '🕊️', '👀', '🍥', '👻', '🐐', '❕', '❔', '⛸️', '🌩️', '🔊', '🔇', '📃', '🌧️', '🐏', '🍚', '🍙', '🐓', '🐑', '💀', '☠️', '🌨️', '🔉', '🔈', '💬', '💭', '🏐', '🏳️', '⚪', '⬜', '◽', '◻️', '▫️']);
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const emojiFilename = (filename) => {
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const borderedEmoji = (document.body && document.body.classList.contains('skin-mastodon-light')) ? lightEmoji : darkEmoji;
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return borderedEmoji.includes(filename) ? (filename + '_border') : filename;
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};
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const emojify = (str, customEmojis = {}) => {
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const tagCharsWithoutEmojis = '<&';
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const tagCharsWithEmojis = Object.keys(customEmojis).length ? '<&:' : '<&';
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let rtn = '', tagChars = tagCharsWithEmojis, invisible = 0;
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for (;;) {
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let match, i = 0, tag;
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while (i < str.length && (tag = tagChars.indexOf(str[i])) === -1 && (invisible || useSystemEmojiFont || !(match = trie.search(str.slice(i))))) {
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i += str.codePointAt(i) < 65536 ? 1 : 2;
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}
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let rend, replacement = '';
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if (i === str.length) {
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break;
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} else if (str[i] === ':') {
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if (!(() => {
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rend = str.indexOf(':', i + 1) + 1;
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if (!rend) return false; // no pair of ':'
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const lt = str.indexOf('<', i + 1);
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if (!(lt === -1 || lt >= rend)) return false; // tag appeared before closing ':'
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const shortname = str.slice(i, rend);
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// now got a replacee as ':shortname:'
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// if you want additional emoji handler, add statements below which set replacement and return true.
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if (shortname in customEmojis) {
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const filename = autoPlayGif ? customEmojis[shortname].url : customEmojis[shortname].static_url;
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replacement = `<img draggable="false" class="emojione custom-emoji" alt="${shortname}" title="${shortname}" src="${filename}" data-original="${customEmojis[shortname].url}" data-static="${customEmojis[shortname].static_url}" />`;
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return true;
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}
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return false;
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})()) rend = ++i;
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} else if (tag >= 0) { // <, &
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rend = str.indexOf('>;'[tag], i + 1) + 1;
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if (!rend) {
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break;
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}
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if (tag === 0) {
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if (invisible) {
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if (str[i + 1] === '/') { // closing tag
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if (!--invisible) {
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tagChars = tagCharsWithEmojis;
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}
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} else if (str[rend - 2] !== '/') { // opening tag
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invisible++;
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}
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} else {
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if (str.startsWith('<span class="invisible">', i)) {
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// avoid emojifying on invisible text
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invisible = 1;
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tagChars = tagCharsWithoutEmojis;
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}
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}
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}
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i = rend;
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} else if (!useSystemEmojiFont) { // matched to unicode emoji
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const { filename, shortCode } = unicodeMapping[match];
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const title = shortCode ? `:${shortCode}:` : '';
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replacement = `<img draggable="false" class="emojione" alt="${match}" title="${title}" src="${assetHost}/emoji/${emojiFilename(filename)}.svg" />`;
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rend = i + match.length;
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// If the matched character was followed by VS15 (for selecting text presentation), skip it.
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if (str.codePointAt(rend) === 65038) {
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rend += 1;
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}
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}
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rtn += str.slice(0, i) + replacement;
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str = str.slice(rend);
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}
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return rtn + str;
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};
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export default emojify;
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export { unicodeMapping };
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export const buildCustomEmojis = (customEmojis) => {
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const emojis = [];
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customEmojis.forEach(emoji => {
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const shortcode = emoji.get('shortcode');
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const url = autoPlayGif ? emoji.get('url') : emoji.get('static_url');
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const name = shortcode.replace(':', '');
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emojis.push({
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id: name,
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name,
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short_names: [name],
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text: '',
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emoticons: [],
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keywords: [name],
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imageUrl: url,
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custom: true,
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customCategory: emoji.get('category'),
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});
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});
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return emojis;
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};
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export const categoriesFromEmojis = customEmojis => customEmojis.reduce((set, emoji) => set.add(emoji.get('category') ? `custom-${emoji.get('category')}` : 'custom'), new Set(['custom']));
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