31 lines
889 B
JavaScript
31 lines
889 B
JavaScript
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;
|