Method onChange

packages/core/ui/styling/style-scope.ts:548–558

* Called when a change had occurred that may invalidate the statically matching selectors (class, id, ancestor selectors). * As a result, at some point in time, the selectors matched have to be requerried from the style scope and applied to the view.

()

	 * As a result, at some point in time, the selectors matched have to be requerried from the style scope and applied to the view.
	 */
	public onChange(): void {
		const view = this.viewRef.get();
		if (view && view.isLoaded) {
			this.unsubscribeFromDynamicUpdates();
			this.updateMatch();
			this.subscribeForDynamicUpdates();
			this.updateDynamicState();
		} else {
			this._matchInvalid = true;
		}
	}

	/**
	 * Checks whether style scope and CSS state selectors are in sync.