/
emoji.js
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/
emoji.js
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/*
* Copyright (c) AXA Group Operations Spain S.A.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
const { stringToArray } = require('@nlpjs/core');
const nonSpacingRegex = new RegExp(String.fromCharCode(65039), 'g');
const emojiByName = require('./emoji.json');
const strip = x => x.replace(nonSpacingRegex, '');
const keys = Object.keys(emojiByName);
const emojiByCode = {};
for (let i = 0; i < keys.length; i += 1) {
const current = keys[i];
emojiByCode[strip(emojiByName[current])] = current;
}
const which = code => {
const word = emojiByCode[strip(code)];
return word ? `:${word}:` : code;
};
const removeEmojis = str =>
str
? stringToArray(str)
.map(word => which(word))
.join('')
: str;
module.exports = { removeEmojis };