@chayns-components/emoji-input/lib/esm/utils/emoji.js

Input field that supports HTML elements and emojis

import emojiList from 'unicode-emoji-json/data-by-emoji.json';
import { asciiList, regAscii, regShortnames, shortNameList } from '../constants/emoji';
const convert = unicode => {
  if (unicode.indexOf('-') > -1) {
    const parts = [];
    const s = unicode.split('-');
    for (let i = 0; i < s.length; i++) {
      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
      let part = parseInt(s[i], 16);
      if (part >= 0x10000 && part <= 0x10ffff) {
        const hi = Math.floor((part - 0x10000) / 0x400) + 0xd800;
        const lo = (part - 0x10000) % 0x400 + 0xdc00;
        part = String.fromCharCode(hi) + String.fromCharCode(lo);
      } else {
        part = String.fromCharCode(part);
      }
      parts.push(part);
    }
    return parts.join('');
  }
  const s = parseInt(unicode, 16);
  if (s >= 0x10000 && s <= 0x10ffff) {
    const hi = Math.floor((s - 0x10000) / 0x400) + 0xd800;
    const lo = (s - 0x10000) % 0x400 + 0xdc00;
    return String.fromCharCode(hi) + String.fromCharCode(lo);
  }
  return String.fromCharCode(s);
};
export const unescapeHTML = text => {
  const unescaped = {
    '&amp;': '&',
    '&#38;': '&',
    '&#x26;': '&',
    '&lt;': '<',
    '&#60;': '<',
    '&#x3C;': '<',
    '&gt;': '>',
    '&#62;': '>',
    '&#x3E;': '>',
    '&quot;': '"',
    '&#34;': '"',
    '&#x22;': '"',
    '&apos;': "'",
    '&#39;': "'",
    '&#x27;': "'"
  };
  return text.replace(/&(?:amp|#38|#x26|lt|#60|#x3C|gt|#62|#x3E|apos|#39|#x27|quot|#34|#x22);/gi, match => unescaped[match] ?? match);
};
export const escapeHTML = text => {
  const escaped = {
    '<': '&lt;',
    '>': '&gt;',
    '"': '&quot;',
    "'": '&apos;'
  };
  return text.replace(/[&<>"']/g, match => escaped[match] ?? match);
};
export const convertEmojisToUnicode = text => {
  let result = text;
  result = result.replace(/https?:\/\/.*?(?=$|\s)/gi, fullMatch => fullMatch.replace(/:/g, '%3A'));
  result = result.replace(regShortnames, shortname => {
    if (shortname) {
      const unicode = shortNameList[shortname];
      if (unicode) {
        return convert(unicode.toUpperCase());
      }
    }
    return shortname;
  });
  result = result.replace(/https?%3A\/\/.*?(?=$|\s)/gi, fullMatch => fullMatch.replace(/%3A/g, ':'));
  result = result.replace(regAscii, (fullMatch, m1, m2, m3) => {
    if (typeof m3 === 'string' && m3 !== '') {
      const unicode = asciiList[unescapeHTML(m3)];
      if (unicode) {
        return m2 + convert(unicode.toUpperCase());
      }
    }
    return fullMatch;
  });
  return result;
};
export const addSkinToneToEmoji = (emoji, skinTone) => emoji.split('\u{200D}').map(rawEmoji => {
  const parts = [rawEmoji.replace(/\ufe0f/, '')];

  // @ts-expect-error: Difficult to type external json file
  // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
  if (emojiList[rawEmoji]?.skin_tone_support) {
    parts.push(skinTone);
  }
  return parts.join('');
}).join('\u{200D}');
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