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4 Commits
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d922c691ed | |||
5aecc44ad7 | |||
f7492c4656 | |||
63dd46ed49 |
2
package-lock.json
generated
2
package-lock.json
generated
@ -1,6 +1,6 @@
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{
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"name": "@pushrocks/smartpromise",
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"version": "3.0.5",
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"version": "3.0.7",
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"lockfileVersion": 1,
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"requires": true,
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"dependencies": {
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@ -1,7 +1,7 @@
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{
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"name": "@pushrocks/smartpromise",
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"private": false,
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"version": "3.0.5",
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"version": "3.0.7",
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"description": "simple promises and Deferred constructs",
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"main": "dist/index.js",
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"typings": "dist/index.d.ts",
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16
test/test.ts
16
test/test.ts
@ -1,27 +1,27 @@
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import { expect, tap } from '@pushrocks/tapbundle';
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import * as q from '../ts/index';
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import * as smartpromise from '../ts/index';
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tap.test('should return a Deferred for .defer()', async () => {
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let myDeferred = q.defer();
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let expectPromise = expect(myDeferred.promise).to.eventually.be.fulfilled;
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const myDeferred = smartpromise.defer();
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const expectPromise = expect(myDeferred.promise).to.eventually.be.fulfilled;
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myDeferred.resolve();
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return expectPromise;
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});
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tap.test('should let types flow through the Promise', async () => {
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let myString = 'someString';
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let myDeferred = q.defer<string>();
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let expectPromise = expect(myDeferred.promise).to.eventually.equal('someString');
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const myString = 'someString';
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const myDeferred = smartpromise.defer<string>();
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const expectPromise = expect(myDeferred.promise).to.eventually.equal('someString');
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myDeferred.resolve(myString);
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return expectPromise;
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});
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tap.test('should map callbacks', async () => {
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let inputArray = ['hi', 'awesome'];
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const inputArray = ['hi', 'awesome'];
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const myPromisified = async myInput => {
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return myInput;
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};
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const expectPromise = expect(q.map(inputArray, myPromisified)).to.eventually.deep.equal(
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const expectPromise = expect(smartpromise.map(inputArray, myPromisified)).to.eventually.deep.equal(
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inputArray
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);
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return expectPromise;
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33
ts/index.ts
33
ts/index.ts
@ -42,21 +42,21 @@ export class Deferred<T> {
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}
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}
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export let defer = <T>() => {
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export const defer = <T>() => {
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return new Deferred<T>();
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};
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/**
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* Creates a new resolved promise for the provided value.
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*/
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export let resolvedPromise = <T>(value?: T): Promise<T> => {
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export const resolvedPromise = <T>(value?: T): Promise<T> => {
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return Promise.resolve(value);
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};
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/**
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* Creates a new rejected promise for the provided reason.
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*/
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export let rejectedPromise = err => {
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export const rejectedPromise = (err) => {
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return Promise.reject(err);
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};
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@ -64,16 +64,31 @@ interface IAsyncFunction<T> {
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(someArg: T): Promise<T>;
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}
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export let map = async <T>(inputArg: T[], functionArg: IAsyncFunction<T>) => {
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let promiseArray: Promise<any>[] = [];
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let resultArray = [];
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for (let item of inputArg) {
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let promise: Promise<any> = functionArg(item);
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/**
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* accepts an array of inputs and a function that accepts the input.
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* runs all items with the function and returns the result array when all items have run
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* @param inputArg
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* @param functionArg
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*/
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export const map = async <T>(inputArg: T[], functionArg: IAsyncFunction<T>) => {
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const promiseArray: Promise<any>[] = [];
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const resultArray = [];
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for (const item of inputArg) {
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const promise: Promise<any> = functionArg(item);
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promiseArray.push(promise);
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promise.then(x => {
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promise.then((x) => {
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resultArray.push(x);
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});
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}
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await Promise.all(promiseArray);
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return resultArray;
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};
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export const timeoutWrap = (ms, promise) => {
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return new Promise((resolve, reject) => {
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setTimeout(() => {
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reject(new Error('timeout'));
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}, ms);
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promise.then(resolve, reject);
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});
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};
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