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JSONFile.js
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110 lines (92 loc) · 3.01 KB
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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2018 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
var Class = require('../../utils/Class');
var CONST = require('../const');
var File = require('../File');
var FileTypesManager = require('../FileTypesManager');
var GetFastValue = require('../../utils/object/GetFastValue');
/**
* @classdesc
* [description]
*
* @class JSONFile
* @extends Phaser.Loader.File
* @memberOf Phaser.Loader.FileTypes
* @constructor
* @since 3.0.0
*
* @param {string} key - [description]
* @param {string} url - [description]
* @param {string} path - [description]
* @param {object} xhrSettings - [description]
*/
var JSONFile = new Class({
Extends: File,
initialize:
// url can either be a string, in which case it is treated like a proper url, or an object, in which case it is treated as a ready-made JS Object
function JSONFile (key, url, path, xhrSettings)
{
var fileKey = (typeof key === 'string') ? key : GetFastValue(key, 'key', '');
var fileConfig = {
type: 'json',
extension: GetFastValue(key, 'extension', 'json'),
responseType: 'text',
key: fileKey,
url: GetFastValue(key, 'file', url),
path: path,
xhrSettings: GetFastValue(key, 'xhr', xhrSettings)
};
File.call(this, fileConfig);
if (typeof fileConfig.url === 'object')
{
// Object provided instead of a URL, so no need to actually load it (populate data with value)
this.data = fileConfig.url;
this.state = CONST.FILE_POPULATED;
}
},
onProcess: function (callback)
{
this.state = CONST.FILE_PROCESSING;
this.data = JSON.parse(this.xhrLoader.responseText);
this.onComplete();
callback(this);
}
});
/**
* Adds a JSON file to the current load queue.
*
* Note: This method will only be available if the JSON File type has been built into Phaser.
*
* The file is **not** loaded immediately after calling this method.
* Instead, the file is added to a queue within the Loader, which is processed automatically when the Loader starts.
*
* @method Phaser.Loader.LoaderPlugin#json
* @since 3.0.0
*
* @param {string} key - [description]
* @param {string} url - [description]
* @param {object} xhrSettings - [description]
*
* @return {Phaser.Loader.LoaderPlugin} The Loader.
*/
FileTypesManager.register('json', function (key, url, xhrSettings)
{
if (Array.isArray(key))
{
for (var i = 0; i < key.length; i++)
{
// If it's an array it has to be an array of Objects, so we get everything out of the 'key' object
this.addFile(new JSONFile(key[i], url, this.path, xhrSettings));
}
}
else
{
this.addFile(new JSONFile(key, url, this.path, xhrSettings));
}
// For method chaining
return this;
});
module.exports = JSONFile;