metal-ajax

Low-level Metal.js utility to perform Ajax requests. If you're looking for something higher level, take a look at fetch.

Use

Simple request

import Ajax from 'metal-ajax';

Ajax.request('/url', 'get')
  .then(xhrResponse => {
    // Handle response
  });

Posts

Ajax.request('/url', 'post', 'requestBody')
  .then(xhrResponse => {
    // Handle response
  });

Request headers and params

Custom request headers and params can bet set using a MultiMap from metal-structs.

import {MultiMap} from 'metal-structs';

const headers = new MultiMap();
const params = new MultiMap();

headers.add('content-type', 'application/json');
params.add('foo', 'bar');

Ajax.request('/url', 'get', null, headers, params)
  .then(function(xhrResponse) {
    // Handle response
  });

Catching errors

Ajax.request('/url', 'get')
  .then(xhrResponse => {
    // Handle response
  })
  .catch(error => {
    // Handle error
  });

Watch for progress

In order for the progress listener to work, the response must have the Content-Length response header set.

Ajax.request('/url', 'get')
  .progress(progress => {
    // Fires with a value between 0 and 1 representing the percent
  })
  .then(xhrResponse => {
    // Handle response
  })

Setup

1. Install a recent release of NodeJS if you don't have it yet.

2. Install local dependencies:

npm install

3. Run the tests:

npm test

Contributing

Check out the contributing guidelines for more information.