import MutablePromise from "js/MutablePromise.js";

export default class ImmediatePromise extends MutablePromise {
	// Public

	then(onResolved, onRejected, ...args) {
		switch (this.status) {
		case MutablePromise.Status.Resolved:
			return onResolved(...this.result);

		case MutablePromise.Status.Rejected:
			return onRejected(...this.result);
		}

		return super.then(onResolved, onRejected, ...args);
	}

	catch(onRejected, ...args) {
		switch (this.status) {
		case MutablePromise.Status.Rejected:
			return onRejected(...this.result);
		}

		return super.catch(onRejected, ...args);
	}

	finally(onFinally, ...args) {
		switch (this.status) {
		case MutablePromise.Status.Resolved:
		case MutablePromise.Status.Rejected:
			return onFinally();
		}

		return super.finally(onFinally, ...args);
	}
}