Method shouldComponentUpdate

src/ckeditor.tsx:95–126

* The CKEditor component should not be updated by React itself. * However, if the component identifier changes, the whole structure should be created once again.

( nextProps: Readonly<Props<TEditor>> )

	 * However, if the component identifier changes, the whole structure should be created once again.
	 */
	public override shouldComponentUpdate( nextProps: Readonly<Props<TEditor>> ): boolean {
		const { props, editorSemaphore } = this;

		// Only when the component identifier changes the whole structure should be re-created once again.
		if ( nextProps.id !== props.id ) {
			return true;
		}

		if ( nextProps.disableWatchdog !== props.disableWatchdog ) {
			return true;
		}

		if ( editorSemaphore ) {
			editorSemaphore.runAfterMount( ( { instance } ) => {
				if ( shouldUpdateEditorData( props, nextProps, instance ) ) {
					instance.data.set( nextProps.data! );
				}
			} );

			if ( 'disabled' in nextProps ) {
				editorSemaphore.runAfterMount( ( { instance } ) => {
					if ( nextProps.disabled ) {
						instance.enableReadOnlyMode( REACT_INTEGRATION_READ_ONLY_LOCK_ID );
					} else {
						instance.disableReadOnlyMode( REACT_INTEGRATION_READ_ONLY_LOCK_ID );
					}
				} );
			}
		}

		return false;
	}

	/**
	 * Initialize the editor when the component is mounted.