138 lines
3 KiB
JavaScript
138 lines
3 KiB
JavaScript
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// This code is largely borrowed from:
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// https://github.com/missive/emoji-mart/blob/bbd4fbe/src/utils/index.js
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import data from './emoji_data_light';
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const COLONS_REGEX = /^(?:\:([^\:]+)\:)(?:\:skin-tone-(\d)\:)?$/;
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function buildSearch(thisData) {
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const search = [];
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let addToSearch = (strings, split) => {
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if (!strings) {
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return;
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}
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(Array.isArray(strings) ? strings : [strings]).forEach((string) => {
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(split ? string.split(/[-|_|\s]+/) : [string]).forEach((s) => {
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s = s.toLowerCase();
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if (search.indexOf(s) === -1) {
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search.push(s);
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}
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});
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});
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};
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addToSearch(thisData.short_names, true);
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addToSearch(thisData.name, true);
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addToSearch(thisData.keywords, false);
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addToSearch(thisData.emoticons, false);
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return search;
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}
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function unifiedToNative(unified) {
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let unicodes = unified.split('-'),
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codePoints = unicodes.map((u) => `0x${u}`);
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return String.fromCodePoint(...codePoints);
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}
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function sanitize(emoji) {
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let { name, short_names, skin_tone, skin_variations, emoticons, unified, custom, imageUrl } = emoji,
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id = emoji.id || short_names[0],
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colons = `:${id}:`;
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if (custom) {
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return {
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id,
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name,
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colons,
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emoticons,
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custom,
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imageUrl,
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};
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}
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if (skin_tone) {
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colons += `:skin-tone-${skin_tone}:`;
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}
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return {
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id,
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name,
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colons,
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emoticons,
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unified: unified.toLowerCase(),
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skin: skin_tone || (skin_variations ? 1 : null),
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native: unifiedToNative(unified),
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};
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}
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function getSanitizedData(emoji) {
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return sanitize(getData(emoji));
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}
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function getData(emoji) {
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let emojiData = {};
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if (typeof emoji === 'string') {
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let matches = emoji.match(COLONS_REGEX);
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if (matches) {
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emoji = matches[1];
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}
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if (data.short_names.hasOwnProperty(emoji)) {
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emoji = data.short_names[emoji];
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}
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if (data.emojis.hasOwnProperty(emoji)) {
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emojiData = data.emojis[emoji];
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}
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} else if (emoji.custom) {
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emojiData = emoji;
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emojiData.search = buildSearch({
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short_names: emoji.short_names,
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name: emoji.name,
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keywords: emoji.keywords,
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emoticons: emoji.emoticons,
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});
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emojiData.search = emojiData.search.join(',');
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} else if (emoji.id) {
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if (data.short_names.hasOwnProperty(emoji.id)) {
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emoji.id = data.short_names[emoji.id];
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}
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if (data.emojis.hasOwnProperty(emoji.id)) {
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emojiData = data.emojis[emoji.id];
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}
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}
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emojiData.emoticons = emojiData.emoticons || [];
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emojiData.variations = emojiData.variations || [];
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if (emojiData.variations && emojiData.variations.length) {
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emojiData = JSON.parse(JSON.stringify(emojiData));
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emojiData.unified = emojiData.variations.shift();
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}
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return emojiData;
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}
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function intersect(a, b) {
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let aSet = new Set(a);
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let bSet = new Set(b);
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let intersection = new Set(
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[...aSet].filter(x => bSet.has(x))
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);
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return Array.from(intersection);
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}
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export { getData, getSanitizedData, intersect };
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