hometown/app/javascript/mastodon/emojione_light.js

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// @preval
// Force tree shaking on emojione by exposing just a subset of its functionality
const emojione = require('emojione');
const mappedUnicode = emojione.mapUnicodeToShort();
module.exports.unicodeMapping = Object.keys(emojione.jsEscapeMap)
.map(unicodeStr => [unicodeStr, mappedUnicode[emojione.jsEscapeMap[unicodeStr]]])
.map(([unicodeStr, shortCode]) => ({ [unicodeStr]: [emojione.emojioneList[shortCode].fname, shortCode.slice(1, shortCode.length - 1)] }))
.reduce((x, y) => Object.assign(x, y), { });