@js-bits/xpromise - npm Package Compare versions

Comparing version 0.0.1 to 0.0.2

index.js

		@@ -11,15 +11,11 @@ import enumerate from '@js-bits/enumerate';

		// https://stackoverflow.com/questions/6598945/detect-if-function-is-native-to-browser
		const isNativeFunction = func =>
		typeof func === 'function' && /\{\s+\[native code\]/.test(Function.prototype.toString.call(func));

		/**
		* @class
		* @extends {Promise}
		*/
		class ExtendablePromise extends Promise {
		constructor(...args) {
		const lastArg = args[args.length - 1];
		if (isNativeFunction(lastArg)) {
		// internal promise call
		// eslint-disable-next-line constructor-super
		return super(lastArg);
		}

		/**
		* @param {Function} executor
		*/
		constructor(executor) {
		let resolve;
		@@ -33,4 +29,7 @@ let reject;

		const [executor] = args;
		this[ø.executor] = executor;
		if (typeof executor === 'function') {
		this[ø.executor] = executor;
		} else {
		throw new Error('Invalid executor type');
		}
		}
		@@ -43,7 +42,18 @@

		/**
		* @param {...any} args
		* @returns {Promise}
		*/
		execute(...args) {
		this[ø.executor](this[ø.resolve], this[ø.reject], ...args);
		if (this[ø.executor]) {
		this[ø.executor](this[ø.resolve], this[ø.reject], ...args);
		this[ø.executor] = undefined;
		}
		return this;
		}

		/**
		* @param {any} result
		* @returns {Promise}
		*/
		resolve(...args) {
		@@ -54,2 +64,6 @@ this[ø.resolve](...args);

		/**
		* @param {Error} reason
		* @returns {Promise}
		*/
		reject(...args) {
		@@ -61,2 +75,5 @@ this[ø.reject](...args);

		// https://stackoverflow.com/a/60328122
		Object.defineProperty(ExtendablePromise, Symbol.species, { get: () => Promise });

		export default ExtendablePromise;

index.test.js

		@@ -29,2 +29,9 @@ import { jest } from '@jest/globals';
		});
		describe('when an invalid executor is passed', () => {
		test('should throw an error', () => {
		expect(() => {
		promise = new ExtendablePromise();
		}).toThrow('Invalid executor type');
		});
		});
		});
		@@ -38,2 +45,10 @@
		});
		test('should execute once', () => {
		expect(executorFunc).not.toHaveBeenCalled();
		promise.execute();
		promise.execute();
		promise.execute();
		promise.execute();
		expect(executorFunc).toHaveBeenCalledTimes(1);
		});
		test('should return the promise', () => {
		@@ -40,0 +55,0 @@ expect(promise.execute()).toBe(promise);

package.json

		{
		"name": "@js-bits/xpromise",
		"version": "0.0.1",
		"version": "0.0.2",
		"description": "Extendable Promise",
		@@ -5,0 +5,0 @@ "keywords": [

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