@permettezmoideconstruire/cancellable-promise v0.0.2

webpack-library-starter

Non intrusive Promise wrapper to make it cancellable

Installation

npm install @permettezmoideconstruire/cancellable-promise

or include

<script src="https://unpkg.com/@permettezmoideconstruire/cancellable-promise"></script>

You can specify a npm release with

<script src="https://unpkg.com/@permettezmoideconstruire/cancellable-promise@0.0.1"></script>

Usage

// Import
import {
  cancellablePromise,
  CancelError,
  CancelToken
} from '@permettezmoideconstruire/cancellable-promise'

// --- OR ---

const {
  cancellablePromise,
  CancelError,
  CancelToken
} = require('@permettezmoideconstruire/cancellable-promise').default


// Wrap a promise
const initialPromise = SOMETHING_ASYNC()
const cancelToken = new CancelToken()
const wrappedPromise = cancellablePromise(initialPromise, cancelToken)


// Somewhere, cancel the promise...
cancelToken.cancel()


//Then catch it
wrappedPromise
.then((res) => {
  //Actual, usual fulfill
})
.catch((err) => {
  if(err instanceOf CancelError) {
    //Handle cancel error
  }

  //Handle actual, usual error
})

Process

ES6 source files
       |
       |
    webpack
       |
       +--- babel, eslint
       |
  ready to use
     library
  in umd format

Scripts

• npm run compile - produce builds for the app
• npm run test - run tests
• npm run build - compile and run tests
• npm run dev - produces development version of your library and runs a watcher
• npm run test:watch - run tests in watch mode