import { aliases, emojis, replacements, searchAliases, tonableEmojis, translations, } from "pretty-text/emoji/data"; import { IMAGE_VERSION } from "pretty-text/emoji/version"; const extendedEmojiMap = new Map(); export function registerEmoji(code, url, group) { code = code.toLowerCase(); extendedEmojiMap.set(code, { url, group }); } export function extendedEmojiList() { return extendedEmojiMap; } const emojiMap = new Map(); // https://github.com/mathiasbynens/emoji-regex/blob/main/text.js export const emojiReplacementRegex = 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EA\uDDEC\uDDEF\uDDF0\uDDF2\uDDF4\uDDFF])|\uD83C\uDDE8(?:\uD83C[\uDDE6\uDDE8\uDDE9\uDDEB-\uDDEE\uDDF0-\uDDF5\uDDF7\uDDFA-\uDDFF])|\uD83C\uDDE7(?:\uD83C[\uDDE6\uDDE7\uDDE9-\uDDEF\uDDF1-\uDDF4\uDDF6-\uDDF9\uDDFB\uDDFC\uDDFE\uDDFF])|\uD83C\uDDE6(?:\uD83C[\uDDE8-\uDDEC\uDDEE\uDDF1\uDDF2\uDDF4\uDDF6-\uDDFA\uDDFC\uDDFD\uDDFF])|[#*0-9]\uFE0F\u20E3|\u2764\uFE0F|(?:\uD83C[\uDFC3\uDFC4\uDFCA]|\uD83D[\uDC6E\uDC70\uDC71\uDC73\uDC77\uDC81\uDC82\uDC86\uDC87\uDE45-\uDE47\uDE4B\uDE4D\uDE4E\uDEA3\uDEB4-\uDEB6]|\uD83E[\uDD26\uDD35\uDD37-\uDD39\uDD3D\uDD3E\uDDB8\uDDB9\uDDCD-\uDDCF\uDDD4\uDDD6-\uDDDD])(?:\uD83C[\uDFFB-\uDFFF])|(?:\u26F9|\uD83C[\uDFCB\uDFCC]|\uD83D\uDD75)(?:\uFE0F|\uD83C[\uDFFB-\uDFFF])|\uD83C\uDFF4|(?:[\u270A\u270B]|\uD83C[\uDF85\uDFC2\uDFC7]|\uD83D[\uDC42\uDC43\uDC46-\uDC50\uDC66\uDC67\uDC6B-\uDC6D\uDC72\uDC74-\uDC76\uDC78\uDC7C\uDC83\uDC85\uDC8F\uDC91\uDCAA\uDD7A\uDD95\uDD96\uDE4C\uDE4F\uDEC0\uDECC]|\uD83E[\uDD0C\uDD0F\uDD18-\uDD1C\uDD1E\uDD1F\uDD30-\uDD34\uDD36\uDD77\uDDB5\uDDB6\uDDBB\uDDD2\uDDD3\uDDD5])(?:\uD83C[\uDFFB-\uDFFF])|(?:[\u261D\u270C\u270D]|\uD83D[\uDD74\uDD90])(?:\uFE0F|\uD83C[\uDFFB-\uDFFF])|[\u270A\u270B]|\uD83C[\uDF85\uDFC2\uDFC7]|\uD83D[\uDC08\uDC15\uDC3B\uDC42\uDC43\uDC46-\uDC50\uDC66\uDC67\uDC6B-\uDC6D\uDC72\uDC74-\uDC76\uDC78\uDC7C\uDC83\uDC85\uDC8F\uDC91\uDCAA\uDD7A\uDD95\uDD96\uDE2E\uDE35\uDE36\uDE4C\uDE4F\uDEC0\uDECC]|\uD83E[\uDD0C\uDD0F\uDD18-\uDD1C\uDD1E\uDD1F\uDD30-\uDD34\uDD36\uDD77\uDDB5\uDDB6\uDDBB\uDDD2\uDDD3\uDDD5]|\uD83C[\uDFC3\uDFC4\uDFCA]|\uD83D[\uDC6E\uDC70\uDC71\uDC73\uDC77\uDC81\uDC82\uDC86\uDC87\uDE45-\uDE47\uDE4B\uDE4D\uDE4E\uDEA3\uDEB4-\uDEB6]|\uD83E[\uDD26\uDD35\uDD37-\uDD39\uDD3D\uDD3E\uDDB8\uDDB9\uDDCD-\uDDCF\uDDD4\uDDD6-\uDDDD]|\uD83D\uDC6F|\uD83E[\uDD3C\uDDDE\uDDDF]|[\u231A\u231B\u23E9-\u23EC\u23F0\u23F3\u25FD\u25FE\u2614\u2615\u2648-\u2653\u267F\u2693\u26A1\u26AA\u26AB\u26BD\u26BE\u26C4\u26C5\u26CE\u26D4\u26EA\u26F2\u26F3\u26F5\u26FA\u26FD\u2705\u2728\u274C\u274E\u2753-\u2755\u2757\u2795-\u2797\u27B0\u27BF\u2B1B\u2B1C\u2B50\u2B55]|\uD83C[\uDC04\uDCCF\uDD8E\uDD91-\uDD9A\uDE01\uDE1A\uDE2F\uDE32-\uDE36\uDE38-\uDE3A\uDE50\uDE51\uDF00-\uDF20\uDF2D-\uDF35\uDF37-\uDF7C\uDF7E-\uDF84\uDF86-\uDF93\uDFA0-\uDFC1\uDFC5\uDFC6\uDFC8\uDFC9\uDFCF-\uDFD3\uDFE0-\uDFF0\uDFF8-\uDFFF]|\uD83D[\uDC00-\uDC07\uDC09-\uDC14\uDC16-\uDC3A\uDC3C-\uDC3E\uDC40\uDC44\uDC45\uDC51-\uDC65\uDC6A\uDC79-\uDC7B\uDC7D-\uDC80\uDC84\uDC88-\uDC8E\uDC90\uDC92-\uDCA9\uDCAB-\uDCFC\uDCFF-\uDD3D\uDD4B-\uDD4E\uDD50-\uDD67\uDDA4\uDDFB-\uDE2D\uDE2F-\uDE34\uDE37-\uDE44\uDE48-\uDE4A\uDE80-\uDEA2\uDEA4-\uDEB3\uDEB7-\uDEBF\uDEC1-\uDEC5\uDED0-\uDED2\uDED5-\uDED7\uDEEB\uDEEC\uDEF4-\uDEFC\uDFE0-\uDFEB]|\uD83E[\uDD0D\uDD0E\uDD10-\uDD17\uDD1D\uDD20-\uDD25\uDD27-\uDD2F\uDD3A\uDD3F-\uDD45\uDD47-\uDD76\uDD78\uDD7A-\uDDB4\uDDB7\uDDBA\uDDBC-\uDDCB\uDDD0\uDDE0-\uDDFF\uDE70-\uDE74\uDE78-\uDE7A\uDE80-\uDE86\uDE90-\uDEA8\uDEB0-\uDEB6\uDEC0-\uDEC2\uDED0-\uDED6]|(?:[#*0-9\xA9\xAE\u203C\u2049\u2122\u2139\u2194-\u2199\u21A9\u21AA\u231A\u231B\u2328\u23CF\u23E9-\u23F3\u23F8-\u23FA\u24C2\u25AA\u25AB\u25B6\u25C0\u25FB-\u25FE\u2600-\u2604\u260E\u2611\u2614\u2615\u2618\u261D\u2620\u2622\u2623\u2626\u262A\u262E\u262F\u2638-\u263A\u2640\u2642\u2648-\u2653\u265F\u2660\u2663\u2665\u2666\u2668\u267B\u267E\u267F\u2692-\u2697\u2699\u269B\u269C\u26A0\u26A1\u26A7\u26AA\u26AB\u26B0\u26B1\u26BD\u26BE\u26C4\u26C5\u26C8\u26CE\u26CF\u26D1\u26D3\u26D4\u26E9\u26EA\u26F0-\u26F5\u26F7-\u26FA\u26FD\u2702\u2705\u2708-\u270D\u270F\u2712\u2714\u2716\u271D\u2721\u2728\u2733\u2734\u2744\u2747\u274C\u274E\u2753-\u2755\u2757\u2763\u2764\u2795-\u2797\u27A1\u27B0\u27BF\u2934\u2935\u2B05-\u2B07\u2B1B\u2B1C\u2B50\u2B55\u3030\u303D\u3297\u3299]|\uD83C[\uDC04\uDCCF\uDD70\uDD71\uDD7E\uDD7F\uDD8E\uDD91-\uDD9A\uDDE6-\uDDFF\uDE01\uDE02\uDE1A\uDE2F\uDE32-\uDE3A\uDE50\uDE51\uDF00-\uDF21\uDF24-\uDF93\uDF96\uDF97\uDF99-\uDF9B\uDF9E-\uDFF0\uDFF3-\uDFF5\uDFF7-\uDFFF]|\uD83D[\uDC00-\uDCFD\uDCFF-\uDD3D\uDD49-\uDD4E\uDD50-\uDD67\uDD6F\uDD70\uDD73-\uDD7A\uDD87\uDD8A-\uDD8D\uDD90\uDD95\uDD96\uDDA4\uDDA5\uDDA8\uDDB1\uDDB2\uDDBC\uDDC2-\uDDC4\uDDD1-\uDDD3\uDDDC-\uDDDE\uDDE1\uDDE3\uDDE8\uDDEF\uDDF3\uDDFA-\uDE4F\uDE80-\uDEC5\uDECB-\uDED2\uDED5-\uDED7\uDEE0-\uDEE5\uDEE9\uDEEB\uDEEC\uDEF0\uDEF3-\uDEFC\uDFE0-\uDFEB]|\uD83E[\uDD0C-\uDD3A\uDD3C-\uDD45\uDD47-\uDD78\uDD7A-\uDDCB\uDDCD-\uDDFF\uDE70-\uDE74\uDE78-\uDE7A\uDE80-\uDE86\uDE90-\uDEA8\uDEB0-\uDEB6\uDEC0-\uDEC2\uDED0-\uDED6]|☻|♡)\uFE0F?"; function textEmojiRegex(inlineEmoji) { return inlineEmoji ? /:[^\s:]+(?::t\d)?:?/g : /\B:[^\s:]+(?::t\d)?:?\B/g; } // add all default emojis emojis.forEach((code) => emojiMap.set(code, true)); // and their aliases const aliasMap = new Map(); Object.entries(aliases).forEach(([name, list]) => { list.forEach((alias) => aliasMap.set(alias, name)); }); function isReplacableInlineEmoji(string, index, inlineEmoji) { if (inlineEmoji) { return true; } // index depends on regex; when `inlineEmoji` is false, the regex starts // with a `\B` character, so there's no need to subtract from the index const beforeEmoji = string.slice(0, index); return ( beforeEmoji.length === 0 || /(?:\s|[>.,\/#!$%^&*;:{}=\-_`~()])$/.test(beforeEmoji) || new RegExp(`(?:${emojiReplacementRegex})$`, "g").test(beforeEmoji) ); } export function performEmojiUnescape(string, opts) { if (!string) { return; } const allTranslations = Object.assign( {}, translations, opts.customEmojiTranslation || {} ); const replacementFunction = (m, index) => { const isEmoticon = opts.enableEmojiShortcuts && !!allTranslations[m]; const isUnicodeEmoticon = !!replacements[m]; let emojiVal; if (isEmoticon) { emojiVal = allTranslations[m]; } else if (isUnicodeEmoticon) { emojiVal = replacements[m]; } else { emojiVal = m.slice(1, m.length - 1); } const hasEndingColon = m.lastIndexOf(":") === m.length - 1; const url = buildEmojiUrl(emojiVal, opts); let classes = isCustomEmoji(emojiVal, opts) ? "emoji emoji-custom" : "emoji"; if (opts.class) { classes += ` ${opts.class}`; } const isReplacable = (isEmoticon || hasEndingColon || isUnicodeEmoticon) && isReplacableInlineEmoji(string, index, opts.inlineEmoji); return url && isReplacable ? `<img width="20" height="20" src='${url}' ${ opts.skipTitle ? "" : `title='${emojiVal}'` } ${ opts.lazy ? "loading='lazy' " : "" }alt='${emojiVal}' class='${classes}'>` : m; }; return string .replace(new RegExp(emojiReplacementRegex, "g"), replacementFunction) .replace(textEmojiRegex(opts.inlineEmoji), replacementFunction); } export function performEmojiEscape(string, opts) { const allTranslations = Object.assign( {}, translations, opts.customEmojiTranslation || {} ); const replacementFunction = (m, index) => { if (isReplacableInlineEmoji(string, index, opts.inlineEmoji)) { if (!!allTranslations[m]) { return opts.emojiShortcuts ? `:${allTranslations[m]}:` : m; } else if (!!replacements[m]) { return `:${replacements[m]}:`; } } return m; }; return string .replace(new RegExp(emojiReplacementRegex, "g"), replacementFunction) .replace(textEmojiRegex(opts.inlineEmoji), replacementFunction); } export function isCustomEmoji(code, opts) { code = code.toLowerCase(); return extendedEmojiMap.has(code) || opts?.customEmoji?.hasOwnProperty(code); } export function buildEmojiUrl(code, opts) { let url; code = String(code).toLowerCase(); if (extendedEmojiMap.has(code)) { url = extendedEmojiMap.get(code).url; } if (opts.customEmoji?.[code]) { url = opts.customEmoji[code].url || opts.customEmoji[code]; } const noToneMatch = code.match(/([^:]+):?/); let emojiBasePath = "/images/emoji"; if (opts.emojiCDNUrl) { emojiBasePath = opts.emojiCDNUrl; } if ( opts.getURL && opts.emojiSet && noToneMatch && !url && (emojiMap.has(noToneMatch[1]) || aliasMap.has(noToneMatch[1])) ) { url = opts.getURL( `${emojiBasePath}/${opts.emojiSet}/${code.replace(/:t/, "/")}.png` ); } if (url) { url = `${url}?v=${IMAGE_VERSION}`; } return url; } export function emojiExists(code) { code = code.toLowerCase(); return extendedEmojiMap.has(code) || emojiMap.has(code) || aliasMap.has(code); } let toSearch; export function emojiSearch(term, options) { const maxResults = options?.maxResults; const diversity = options?.diversity; if (maxResults === 0) { return []; } if (!toSearch) { toSearch = [ ...emojiMap.keys(), ...extendedEmojiMap.keys(), ...aliasMap.keys(), ].sort(); } const results = []; function addResult(t) { const val = aliasMap.get(t) || t; if (!results.includes(val)) { if (diversity && diversity > 1 && isSkinTonableEmoji(val)) { results.push(`${val}:t${diversity}`); } else { results.push(val); } } } // if term matches from beginning for (const item of toSearch) { if (item.indexOf(term) === 0) { addResult(item); } } for (const [key, value] of Object.entries(searchAliases)) { if (key.startsWith(term)) { for (const emoji of value) { addResult(emoji); } } } for (const item of toSearch) { if (item.indexOf(term) > 0) { addResult(item); } } if (maxResults) { return results.slice(0, maxResults); } else { return results; } } export function isSkinTonableEmoji(term) { const match = term.split(":").filter(Boolean)[0]; if (match) { return tonableEmojis.includes(match); } return false; }