Method shouldRollback

src/lib/Component.ts:184–192

* @static shouldRollback - Similarly to the shouldProceed () function, this one takes * action when the player tries to go back in the game.Monogatari will first * check with all actions if it's ok to go back. Every action should implement * its own logic for it according to its requirements.

()

	 * @return {Promise} - Resolved if going back is alright or rejected if its not
	 */
	static async shouldRollback (): Promise<void[]> {
		const promises: Promise<void>[] = [];

		this.instances((instance: any) => {
			promises.push(instance.shouldRollback());
		});

		return Promise.all(promises);
	}

	/**
	 * @static willRollback - Once the shouldRollback check is passed, each action