simple-json-fetch

whatwg fetch(), wrapped and enhanced for JSON response.

Install

This module has no dependencies, so be sure to get your own fetch() polyfill if needed (eg: whatwg-fetch).

$ npm i -S simple-json-fetch [whatwg-fetch]

Usage

Use this module exactly like fetch(), with this in mind:

• promise will be resolved only if http code is between 200~300 AND response is valid json
• otherwise promise is rejected
  • http code >= 300
  • json is invalid

import "whatwg-fetch"
import jsonFetch from "simple-json-fetch"
 
jsonFetch(url, { /* ... */})
.then(
  // in both "resolve" or "reject" callback, you will get the original
  // response (with fields like .status, .statusText...)
 
  // json is correct and http code is in the 2xx range
  // resolved response got a json property which is the js object
  (response) => {
    response.json
    // json property is an object here, not a method that return
    // a promise that resolve with an object (that the point of this module)
  },
  // json is malformed or http code is NOT in the 2xx range
  // rejected response got an error property, which is the error thrown if any
  (response) => {
    response.error
    // the error thrown (eg: during parsing of the json)
  }
)

Warning

No automated tests because I am pushing this snippet I am using for one or two years at midnight. Feel free to add some :)

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CONTRIBUTING

• ⇄ Pull requests and ★ Stars are always welcome.
• For bugs and feature requests, please create an issue.
• Pull requests must be accompanied by passing automated tests ($ npm test).

CHANGELOG

LICENSE