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- import { unicodeMapping } from './emojione_light';
- import Trie from 'substring-trie';
-
- const trie = new Trie(Object.keys(unicodeMapping));
-
- const emojify = str => {
- let rtn = '';
- for (;;) {
- let match, i = 0;
- while (i < str.length && str[i] !== '<' && !(match = trie.search(str.slice(i)))) {
- i += str.codePointAt(i) < 65536 ? 1 : 2;
- }
- if (i === str.length)
- break;
- else if (str[i] === '<') {
- let tagend = str.indexOf('>', i + 1) + 1;
- if (!tagend)
- break;
- rtn += str.slice(0, tagend);
- str = str.slice(tagend);
- } else {
- const [filename, shortCode] = unicodeMapping[match];
- rtn += str.slice(0, i) + `<img draggable="false" class="emojione" alt="${match}" title=":${shortCode}:" src="/emoji/${filename}.svg" />`;
- str = str.slice(i + match.length);
- }
- }
- return rtn + str;
- };
-
- export default emojify;
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