better-jsonp

Better JSONP

A minimal JSONP implementation which is used to be a kind of cross domain solution.

Features

• Implement JSONP request from the browser

• Support the Promise API

Install

# using npm
npm i better-jsonp

# using yarn
yarn add better-jsonp

<!-- using CDN -->
<script src="https://cdn.jsdelivr.net/npm/better-jsonp"></script>

Usage

jsonp({
  url: 'http://localhost',
  // global function named `${jsonpCallback}` will invoked when JSONP response
  jsonpCallback: 'jsonp',
  timeout: 5000,
  // eg. ?customCallbackParams=...
  callbackParams: 'customCallbackParams',
  urlParams: {
    // eg. ?key0=0&key1=1...
    key0: 0,
    key1: 1
  }
})
  .then(res => console.log(res))
  .catch(err => console.error(err))

options parameter	type	required	description
url	String	true	JSONP request address
timeout	Number	false, default : 6000	how long after timeout error is emitted. 0 to disable
jsonpCallback	String	false, default : 'callback'+'Date.now()'	global callback function name which is used to handle JSONP response.
callbackParams	String	false, default: jsonpCallback	name of query parameter to specify the callback name
urlParams	Object	false, default: {}	other parameters in query string parameters