mirror of
https://git.bsd.gay/fef/nyastodon.git
synced 2024-12-25 06:13:43 +01:00
c1f201c49a
* chore(yarn): Install babel-plugin-preval as development dependency * feat(babel): Add preval as a plugin * feat(emojione_light): Prevaled module what tree-shaked emojione * refactor(emoji): Use emojione_light * feat: Preload emojione_picker bundle * fix(emojione_light): Do not use Object.entries * fix(emojify): Update tests * chore(emojione_light): Remove silly ascii art
34 lines
1.3 KiB
JavaScript
34 lines
1.3 KiB
JavaScript
import { unicodeToFilename } from './emojione_light';
|
|
import Trie from 'substring-trie';
|
|
|
|
const trie = new Trie(Object.keys(unicodeToFilename));
|
|
|
|
function emojify(str) {
|
|
// This walks through the string from start to end, ignoring any tags (<p>, <br>, etc.)
|
|
// and replacing valid unicode strings
|
|
// that _aren't_ within tags with an <img> version.
|
|
// The goal is to be the same as an emojione.regUnicode replacement, but faster.
|
|
let i = -1;
|
|
let insideTag = false;
|
|
let match;
|
|
while (++i < str.length) {
|
|
const char = str.charAt(i);
|
|
if (insideTag && char === '>') {
|
|
insideTag = false;
|
|
} else if (char === '<') {
|
|
insideTag = true;
|
|
} else if (!insideTag && (match = trie.search(str.substring(i)))) {
|
|
const unicodeStr = match;
|
|
if (unicodeStr in unicodeToFilename) {
|
|
const filename = unicodeToFilename[unicodeStr];
|
|
const alt = unicodeStr;
|
|
const replacement = `<img draggable="false" class="emojione" alt="${alt}" src="/emoji/${filename}.svg" />`;
|
|
str = str.substring(0, i) + replacement + str.substring(i + unicodeStr.length);
|
|
i += (replacement.length - unicodeStr.length); // jump ahead the length we've added to the string
|
|
}
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
|
|
export default emojify;
|