From bd3c5fc3725229e9517fbdba93fa25b0949416ee Mon Sep 17 00:00:00 2001
From: Eduard Kuzmenko <thanwords24@gmail.com>
Date: Thu, 26 Aug 2021 15:54:41 +0300
Subject: [PATCH] Fix splitted emoji

---
 src/index.ts                 |  1 -
 src/lib/richtextprocessor.ts | 13 +++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/index.ts b/src/index.ts
index 4f7c0c0b..70b48caf 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -7,7 +7,6 @@
 import App from './config/app';
 import blurActiveElement from './helpers/dom/blurActiveElement';
 import { cancelEvent } from './helpers/dom/cancelEvent';
-import fixSafariStickyInput from './helpers/dom/fixSafariStickyInput';
 import { IS_STICKY_INPUT_BUGGED } from './helpers/dom/fixSafariStickyInputFocusing';
 import loadFonts from './helpers/dom/loadFonts';
 import IS_EMOJI_SUPPORTED from './helpers/emojiSupport';
diff --git a/src/lib/richtextprocessor.ts b/src/lib/richtextprocessor.ts
index 1d3aac93..6dd0d842 100644
--- a/src/lib/richtextprocessor.ts
+++ b/src/lib/richtextprocessor.ts
@@ -382,6 +382,19 @@ namespace RichTextProcessor {
 
     currentEntities.push(...filtered);
     currentEntities.sort((a, b) => a.offset - b.offset);
+
+    if(!emojiSupported) { // fix splitted emoji. messageEntityTextUrl can split the emoji if starts before its end (e.g. on fe0f)
+      for(let i = 0; i < currentEntities.length; ++i) {
+        const entity = currentEntities[i];
+        if(entity._ === 'messageEntityEmoji') {
+          const nextEntity = currentEntities[i + 1];
+          if(nextEntity && nextEntity.offset < (entity.offset + entity.length)) {
+            entity.length = nextEntity.offset - entity.offset;
+          }
+        }
+      }
+    }
+
     return currentEntities;
   }