import JsonLoader from 'beloader/src/loaders/JsonLoader.js'

public class | version 1.0.0 | since 1.0.0 | source

JsonLoader

Extends:

core/AbstractLoader~AbstractLoader → JsonLoader

Load and parse JSON data

JsonLoader only performs asynchronously. If succeeded, returned data will be available in QueueItem#response property.

Example:

 var loader = new Beloader();

 loader
  .fetch('json', 'https://reqres.in/api/users')
  .then(function(item) {
    var data = item.response; // JSON data
  });

Test:

JsonLoader tests

Constructor Summary

Public Constructor
public	constructor(parent: QueueItem, options: DotObjectArray)	version 1.0.0 since 1.0.0

Method Summary

Public Methods
public	async(): Promise Async loader for JSON data	version 1.0.0 since 1.0.0
public	sync() Always throw an error because method is not allowed	version 1.0.0 since 1.0.0

Private Methods
private	_loadstart() Event hook to add specific JSON request headers to XMLHttpRequest instance	version 1.0.0 since 1.0.0

Public Constructors

public constructor(parent: QueueItem, options: DotObjectArray) version 1.0.0 since 1.0.0 source

Params:

Name	Type	Attribute	Description
parent	QueueItem		QueueItem calling parent
options	DotObjectArray		Options for loader

Public Methods

public async(): Promise version 1.0.0 since 1.0.0 source

Async loader for JSON data

The loader will first try to fetch parsed JSON, then try to parse response itself and finally try to parse responseText for IE.

If none of parsing succeeds, promise is rejected.

Return:

Promise

public sync() version 1.0.0 since 1.0.0 source

Always throw an error because method is not allowed

Throw:

TypeError

Always thrown if method requested

Private Methods

private _loadstart() version 1.0.0 since 1.0.0 source

Event hook to add specific JSON request headers to XMLHttpRequest instance