import Trie from 'substring-trie'; import { assetHost } from 'flavours/glitch/utils/config'; import { autoPlayGif, useSystemEmojiFont } 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(['đą', 'đ', 'âĢ', 'đ¤', 'âŦ', 'âŧī¸', 'âž', 'âŧī¸', 'âī¸', 'âĒī¸', 'đŖ', 'đŗ', 'đˇ', 'đ¸', 'âŖī¸', 'đļī¸', 'â´ī¸', 'đ', 'đââī¸', 'đŊī¸', 'đŗ', 'đĻ', 'đ', 'đĒ', 'đŗī¸', 'đšī¸', 'đ', 'đī¸', 'đī¸', 'đââī¸', 'đ¤', 'đ', 'đĨ', 'đŧ', 'â ī¸', 'đŠ', 'đĻ', 'đŧ', 'đš', 'đŽ', 'đ', 'đ´', 'đ', 'đē', 'đą', 'đ˛', 'đ˛', 'đĒŽ', 'đĻââŦ']); const lightEmoji = emojiFilenames(['đŊ', 'âž', 'đ', 'âī¸', 'đ¨', 'đī¸', 'đ', 'đĨ', 'đģ', 'đ', 'â', 'â', 'â¸ī¸', 'đŠī¸', 'đ', 'đ', 'đ', 'đ§ī¸', 'đ', 'đ', 'đ', 'đ', 'đ', 'đ', 'â ī¸', 'đ¨ī¸', 'đ', 'đ', 'đŦ', 'đ', 'đ', 'đŗī¸', 'âĒ', 'âŦ', 'âŊ', 'âģī¸', 'âĢī¸', 'đĒŊ', 'đĒŋ']); const emojiFilename = (filename) => { const borderedEmoji = (document.body && document.body.classList.contains('skin-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 && (useSystemEmojiFont || !(unicode_emoji = trie.search(str.slice(i))))) { i += str.codePointAt(i) < 65536 ? 1 : 2; } } else { while (i < str.length && str[i] !== ':' && (useSystemEmojiFont || !(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']));