Method addButtonBefore

src/lib/MenuComponent.ts:50–63

* Add a button before another button

(before: string, button: MenuButton)

	 * Add a button before another button
	 */
	static addButtonBefore (before: string, button: MenuButton): void {
		const index = this.buttons().findIndex((b: MenuButton) => b.string === before);
		const buttons = [...this.buttons()];

		if (index > -1) {
			buttons.splice(index, 0, button);

			this.engine.configuration(this.tag, {
				buttons
			});

			this.onConfigurationUpdate();
		}
	}

	/**
	 * Remove a button by its string identifier