102 lines
2.9 KiB
JavaScript
102 lines
2.9 KiB
JavaScript
import _ from 'underscore';
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import emojiMap from 'emojis/digests.json';
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import emojiAliases from 'emojis/aliases.json';
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export const validEmojiNames = [...Object.keys(emojiMap), ...Object.keys(emojiAliases)];
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export function normalizeEmojiName(name) {
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return Object.prototype.hasOwnProperty.call(emojiAliases, name) ? emojiAliases[name] : name;
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}
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export function isEmojiNameValid(name) {
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return validEmojiNames.indexOf(name) >= 0;
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}
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export function filterEmojiNames(filter) {
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const match = filter.toLowerCase();
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return validEmojiNames.filter(name => name.indexOf(match) >= 0);
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}
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export function filterEmojiNamesByAlias(filter) {
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return _.uniq(filterEmojiNames(filter).map(name => normalizeEmojiName(name)));
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}
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let emojiCategoryMap;
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export function getEmojiCategoryMap() {
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if (!emojiCategoryMap) {
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emojiCategoryMap = {
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activity: [],
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people: [],
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nature: [],
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food: [],
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travel: [],
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objects: [],
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symbols: [],
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flags: [],
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};
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Object.keys(emojiMap).forEach(name => {
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const emoji = emojiMap[name];
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if (emojiCategoryMap[emoji.category]) {
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emojiCategoryMap[emoji.category].push(name);
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}
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});
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}
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return emojiCategoryMap;
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}
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export function getEmojiInfo(query) {
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let name = normalizeEmojiName(query);
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let emojiInfo = emojiMap[name];
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// Fallback to question mark for unknown emojis
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if (!emojiInfo) {
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name = 'grey_question';
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emojiInfo = emojiMap[name];
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}
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return { ...emojiInfo, name };
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}
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export function emojiFallbackImageSrc(inputName) {
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const { name, digest } = getEmojiInfo(inputName);
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return `${gon.asset_host || ''}${gon.relative_url_root || ''}/assets/emoji/${name}-${digest}.png`;
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}
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export function emojiImageTag(name, src) {
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return `<img class="emoji" title=":${name}:" alt=":${name}:" src="${src}" width="20" height="20" align="absmiddle" />`;
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}
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export function glEmojiTag(inputName, options) {
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const opts = { sprite: false, forceFallback: false, ...options };
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const { name, ...emojiInfo } = getEmojiInfo(inputName);
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const fallbackImageSrc = emojiFallbackImageSrc(name);
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const fallbackSpriteClass = `emoji-${name}`;
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const classList = [];
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if (opts.forceFallback && opts.sprite) {
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classList.push('emoji-icon');
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classList.push(fallbackSpriteClass);
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}
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const classAttribute = classList.length > 0 ? `class="${classList.join(' ')}"` : '';
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const fallbackSpriteAttribute = opts.sprite
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? `data-fallback-sprite-class="${fallbackSpriteClass}"`
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: '';
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let contents = emojiInfo.moji;
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if (opts.forceFallback && !opts.sprite) {
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contents = emojiImageTag(name, fallbackImageSrc);
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}
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return `
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<gl-emoji
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${classAttribute}
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data-name="${name}"
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data-fallback-src="${fallbackImageSrc}"
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${fallbackSpriteAttribute}
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data-unicode-version="${emojiInfo.unicodeVersion}"
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title="${emojiInfo.description}"
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>
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${contents}
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</gl-emoji>
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`;
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}
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