diff --git a/readme.md b/readme.md new file mode 100644 index 0000000..c8d3fd6 --- /dev/null +++ b/readme.md @@ -0,0 +1,90 @@ +# @pushrocks/smartpromise + +simple promises and Deferred constructs + +## Availabililty and Links + +- [npmjs.org (npm package)](https://www.npmjs.com/package/@pushrocks/smartpromise) +- [gitlab.com (source)](https://gitlab.com/pushrocks/smartpromise) +- [github.com (source mirror)](https://github.com/pushrocks/smartpromise) +- [docs (typedoc)](https://pushrocks.gitlab.io/smartpromise/) + +## Status for master + +[![build status](https://gitlab.com/pushrocks/smartpromise/badges/master/build.svg)](https://gitlab.com/pushrocks/smartpromise/commits/master) +[![coverage report](https://gitlab.com/pushrocks/smartpromise/badges/master/coverage.svg)](https://gitlab.com/pushrocks/smartpromise/commits/master) +[![npm downloads per month](https://img.shields.io/npm/dm/@pushrocks/smartpromise.svg)](https://www.npmjs.com/package/@pushrocks/smartpromise) +[![Known Vulnerabilities](https://snyk.io/test/npm/@pushrocks/smartpromise/badge.svg)](https://snyk.io/test/npm/@pushrocks/smartpromise) +[![TypeScript](https://img.shields.io/badge/TypeScript->=%203.x-blue.svg)](https://nodejs.org/dist/latest-v10.x/docs/api/) +[![node](https://img.shields.io/badge/node->=%2010.x.x-blue.svg)](https://nodejs.org/dist/latest-v10.x/docs/api/) +[![JavaScript Style Guide](https://img.shields.io/badge/code%20style-prettier-ff69b4.svg)](https://prettier.io/) + +## Usage + +Use TypeScript for best in class instellisense. + +> Note: smartq uses native ES6 promises +> smartq does not repeat any native functions, so for things like .all() simply use Promise.all() + +```typescript +import * as q from '@pushrocks/smartpromise' + +// Deferred +// ----------------------------------------------- +let myAsyncFunction = (): Promise => { + let done = q.defer() // returns your typical Deferred object + setTimeout(() => { + done.resolve('hi') // will throw type error for other types than string as argument ;) + },6000); + + console.log(done.status) // logs "pending"; + done.promise.then(() => { + console.log(done.status) // logs "fullfilled" + console.log(done.duration) // logs the milliseconds between instantiation and fullfillment + }) + + return done.promise +} + +let myAsyncFunction2 = async () => { + let aString = await myAsyncFunction() + console.log(aString) // will log 'hi' to console +} + +myAsyncFunction2(); + + +// Resolved and Rejected promises +// ------------------------------------------------ +q.resolvedPromise(`I'll get logged to console soon`) + .then(x => { + console.log(x) + }) + +q.rejectedPromise(`what a lovely error message`) + .then(() => { + console.log('This never makes it to console') + }/*, alternatively put a reject function here */) + .catch(err => { + console.log(err) + }) + +// Promisify (typed) +// ------------------------------------------------ + +let myCallbackedFunction = (someString: string, someNumber: number, cb) => { + cb(null, someString) +} + +let myPromisedFunction = q.promisify(myCallbackFunction) +myPromisedFunction('helloThere', 2).then(x => { + console.log(x) // will log 'helloThere' to console +}) +``` + +For further information read the linked docs at the top of this readme. + +> MIT licensed | **©** [Lossless GmbH](https://lossless.gmbh) +> | By using this npm module you agree to our [privacy policy](https://lossless.gmbH/privacy) + +[![repo-footer](https://lossless.gitlab.io/publicrelations/repofooter.svg)](https://maintainedby.lossless.com)