import Trie from 'substring-trie'; import { assetHost } from 'mastodon/utils/config'; import { autoPlayGif } from '../../initial_state'; import unicodeMapping from './emoji_unicode_mapping_light'; const trie = new Trie(Object.keys(unicodeMapping)); // Convert to file names from emojis. (For different variation selector emojis) const emojiFilenames = (emojis) => { return emojis.map(v => unicodeMapping[v].filename); }; // Emoji requiring extra borders depending on theme const darkEmoji = emojiFilenames(['🎱', '🐜', 'âšĢ', '🖤', 'âŦ›', 'â—ŧī¸', '◾', 'â—ŧī¸', '✒ī¸', 'â–Ēī¸', 'đŸ’Ŗ', 'đŸŽŗ', '📷', '📸', 'â™Ŗī¸', 'đŸ•ļī¸', '✴ī¸', '🔌', '💂‍♀ī¸', 'đŸ“Ŋī¸', 'đŸŗ', 'đŸĻ', '💂', 'đŸ”Ē', 'đŸ•ŗī¸', '🕹ī¸', '🕋', '🖊ī¸', '🖋ī¸', '💂‍♂ī¸', '🎤', '🎓', 'đŸŽĨ', 'đŸŽŧ', '♠ī¸', '🎩', 'đŸĻƒ', 'đŸ“ŧ', '📹', '🎮', '🐃', '🏴', '🐞', 'đŸ•ē', '📱', '📲', '🚲']); const lightEmoji = emojiFilenames(['đŸ‘Ŋ', '⚾', '🐔', '☁ī¸', '💨', '🕊ī¸', '👀', 'đŸĨ', 'đŸ‘ģ', '🐐', '❕', '❔', '⛸ī¸', '🌩ī¸', '🔊', '🔇', '📃', '🌧ī¸', '🐏', '🍚', '🍙', '🐓', '🐑', '💀', '☠ī¸', '🌨ī¸', '🔉', '🔈', 'đŸ’Ŧ', '💭', '🏐', 'đŸŗī¸', 'âšĒ', 'âŦœ', 'â—Ŋ', 'â—ģī¸', 'â–Ģī¸']); const emojiFilename = (filename) => { const borderedEmoji = (document.body && document.body.classList.contains('theme-mastodon-light')) ? lightEmoji : darkEmoji; return borderedEmoji.includes(filename) ? (filename + '_border') : filename; }; const emojifyTextNode = (node, customEmojis) => { const VS15 = 0xFE0E; const VS16 = 0xFE0F; let str = node.textContent; const fragment = new DocumentFragment(); let i = 0; for (;;) { let unicode_emoji; // Skip to the next potential emoji to replace (either custom emoji or custom emoji :shortcode: if (customEmojis === null) { while (i < str.length && !(unicode_emoji = trie.search(str.slice(i)))) { i += str.codePointAt(i) < 65536 ? 1 : 2; } } else { while (i < str.length && str[i] !== ':' && !(unicode_emoji = trie.search(str.slice(i)))) { i += str.codePointAt(i) < 65536 ? 1 : 2; } } // We reached the end of the string, nothing to replace if (i === str.length) { break; } let rend, replacement = null; if (str[i] === ':') { // Potentially the start of a custom emoji :shortcode: rend = str.indexOf(':', i + 1) + 1; // no matching ending ':', skip if (!rend) { i++; continue; } const shortcode = str.slice(i, rend); const custom_emoji = customEmojis[shortcode]; // not a recognized shortcode, skip if (!custom_emoji) { i++; continue; } // now got a replacee as ':shortcode:' // if you want additional emoji handler, add statements below which set replacement and return true. const filename = autoPlayGif ? custom_emoji.url : custom_emoji.static_url; replacement = document.createElement('img'); replacement.setAttribute('draggable', 'false'); replacement.setAttribute('class', 'emojione custom-emoji'); replacement.setAttribute('alt', shortcode); replacement.setAttribute('title', shortcode); replacement.setAttribute('src', filename); replacement.setAttribute('data-original', custom_emoji.url); replacement.setAttribute('data-static', custom_emoji.static_url); } else { // start of an unicode emoji rend = i + unicode_emoji.length; // If the matched character was followed by VS15 (for selecting text presentation), skip it. if (str.codePointAt(rend - 1) !== VS16 && str.codePointAt(rend) === VS15) { i = rend + 1; continue; } const { filename, shortCode } = unicodeMapping[unicode_emoji]; const title = shortCode ? `:${shortCode}:` : ''; replacement = document.createElement('img'); replacement.setAttribute('draggable', 'false'); replacement.setAttribute('class', 'emojione'); replacement.setAttribute('alt', unicode_emoji); replacement.setAttribute('title', title); replacement.setAttribute('src', `${assetHost}/emoji/${emojiFilename(filename)}.svg`); } // Add the processed-up-to-now string and the emoji replacement fragment.append(document.createTextNode(str.slice(0, i))); fragment.append(replacement); str = str.slice(rend); i = 0; } fragment.append(document.createTextNode(str)); node.parentElement.replaceChild(fragment, node); }; const emojifyNode = (node, customEmojis) => { for (const child of node.childNodes) { switch(child.nodeType) { case Node.TEXT_NODE: emojifyTextNode(child, customEmojis); break; case Node.ELEMENT_NODE: if (!child.classList.contains('invisible')) emojifyNode(child, customEmojis); break; } } }; const emojify = (str, customEmojis = {}) => { const wrapper = document.createElement('div'); wrapper.innerHTML = str; if (!Object.keys(customEmojis).length) customEmojis = null; emojifyNode(wrapper, customEmojis); return wrapper.innerHTML; }; export default emojify; export const buildCustomEmojis = (customEmojis) => { const emojis = []; customEmojis.forEach(emoji => { const shortcode = emoji.get('shortcode'); const url = autoPlayGif ? emoji.get('url') : emoji.get('static_url'); const name = shortcode.replace(':', ''); emojis.push({ id: name, name, short_names: [name], text: '', emoticons: [], keywords: [name], imageUrl: url, custom: true, customCategory: emoji.get('category'), }); }); return emojis; }; export const categoriesFromEmojis = customEmojis => customEmojis.reduce((set, emoji) => set.add(emoji.get('category') ? `custom-${emoji.get('category')}` : 'custom'), new Set(['custom']));