Fix infinite loop when system emoji font is enabled (#1931)

Fixes #1930

diff --git a/app/javascript/flavours/glitch/util/emoji/index.js b/app/javascript/flavours/glitch/util/emoji/index.js
index 6b7de213c693510582438614a7c4bb0158a30a4f..251db1d5b9346b0f7b2b69f4a9067b979aa50343 100644 (file)
--- a/app/javascript/flavours/glitch/util/emoji/index.js
+++ b/app/javascript/flavours/glitch/util/emoji/index.js
@@ -30,11 +30,11 @@ const emojifyTextNode = (node, customEmojis) => {
     let match, i = 0;
 
     if (customEmojis === null) {
-      while (i < str.length && !(match = trie.search(str.slice(i)))) {
+      while (i < str.length && (useSystemEmojiFont || !(match = trie.search(str.slice(i))))) {
         i += str.codePointAt(i) < 65536 ? 1 : 2;
       }
     } else {
-      while (i < str.length && str[i] !== ':' && !(match = trie.search(str.slice(i)))) {
+      while (i < str.length && str[i] !== ':' && (useSystemEmojiFont || !(match = trie.search(str.slice(i))))) {
         i += str.codePointAt(i) < 65536 ? 1 : 2;
       }
     }