Add a debounce to improve performance on large blocks

WordPress · Jun 28, 2020 · 2b6c1dd · 2b6c1dd
1 parent 3e7e8f3
commit 2b6c1dd
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/packages/block-library/src/classic/edit.js b/packages/block-library/src/classic/edit.js
@@ -1,3 +1,8 @@
+/**
+ * External dependencies
+ */
+import { debounce } from 'lodash';
+
 /**
  * WordPress dependencies
  */
@@ -116,7 +121,7 @@ export default class ClassicEdit extends Component {
 			bookmark = null;
 		} );
 
-		editor.on( 'Paste Change input Undo Redo', () => {
+		editor.on( 'Paste Change input Undo Redo', debounce( () => {
 			const value = editor.getContent();
 
 			if ( value !== editor._lastChange ) {
@@ -125,7 +130,7 @@ export default class ClassicEdit extends Component {
 					content: value,
 				} );
 			}
-		} );
+		}, 250 ) );
 
 		editor.on( 'keydown', ( event ) => {
 			if (