From f9ecb5b2dee9ef4da84da3156f337324e4e29e90 Mon Sep 17 00:00:00 2001
From: MusikAnimal <musikanimal@gmail.com>
Date: Wed, 10 Apr 2024 11:54:37 -0400
Subject: [PATCH] Use dispatchEvent instead of jQuery triggerHandler for
 focus/blur events

triggerHandler will not bubble up the DOM, which is necessary for some
listeners such as Charinsert.

This patch applies the fix to both CodeMirror 5 and CodeMirror 6.

Bug: T361465
Change-Id: I4c01b031de0b19d72b6f2c31566a7f9cc0b02ad8
---
 resources/codemirror.js                       | 8 ++++++--
 resources/legacy/ext.CodeMirror.WikiEditor.js | 4 ++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/resources/codemirror.js b/resources/codemirror.js
index 04f6336a..5133931e 100644
--- a/resources/codemirror.js
+++ b/resources/codemirror.js
@@ -104,8 +104,12 @@ class CodeMirror {
 			this.dirExtension,
 			EditorState.readOnly.of( this.readOnly ),
 			EditorView.domEventHandlers( {
-				blur: () => this.$textarea.triggerHandler( 'blur' ),
-				focus: () => this.$textarea.triggerHandler( 'focus' )
+				blur: () => {
+					this.$textarea[ 0 ].dispatchEvent( new Event( 'blur' ) );
+				},
+				focus: () => {
+					this.$textarea[ 0 ].dispatchEvent( new Event( 'focus' ) );
+				}
 			} ),
 			EditorView.lineWrapping,
 			keymap.of( [
diff --git a/resources/legacy/ext.CodeMirror.WikiEditor.js b/resources/legacy/ext.CodeMirror.WikiEditor.js
index ec28c4b1..6c6ee094 100644
--- a/resources/legacy/ext.CodeMirror.WikiEditor.js
+++ b/resources/legacy/ext.CodeMirror.WikiEditor.js
@@ -191,10 +191,10 @@ function init() {
 			const $codeMirror = $( codeMirror.getWrapperElement() );
 
 			codeMirror.on( 'focus', () => {
-				$textbox1.triggerHandler( 'focus' );
+				$textbox1[ 0 ].dispatchEvent( new Event( 'focus' ) );
 			} );
 			codeMirror.on( 'blur', () => {
-				$textbox1.triggerHandler( 'blur' );
+				$textbox1[ 0 ].dispatchEvent( new Event( 'blur' ) );
 			} );
 			mw.hook( 'editRecovery.loadEnd' ).add( ( data ) => {
 				codeMirror.on( 'change', data.fieldChangeHandler );