This project is deprecated.

Use separate packages for specific purpose:

• load-script-p
• load-style-p
• image-promise

---

kist-loader

Simple asset loader.

Installation

npm install kist-loader --save

bower install niksy/kist-loader --save

API

.load(options, [success])

Returns: Promise

Load assets.

Method will try to guess asset type by its extension. You can prefix any asset URL with js!, css!, img! or async! to force specific resource type loading.

options

Type: String|Array|Object
Required

Options defined as Object

url

Type: String|Array
Required

Single or multiple assets to load.

cache

Type: Boolean
Default: true

Cache assets or request new version every time by appending query string with timestamp.

success

Type: Function

Callback after everything has been successfully loaded.

error

Type: Function

Callback if (some) resources haven’t successfully loaded.

success

Type: Function

Callback after everything has been successfully loaded.

Aliases

For convenience, aliases for supported asset types are provided. They will always force loading with preferred method (regardless of setting).

.loadScript(options, [success])

Loads script (JS) assets.

.loadStyle(options, [success])

Loads style (CSS) assets.

.loadImage(options, [success])

Loads image assets.

.loadText(options, [success])

Loads text assets.

.loadAsync(options, [success])

Loads assets "async way" (e.g. 3rd party SDKs such as Facebook or Google+ SDK).

Examples

JS assets

var loader = require('kist-loader');

loader
	.load('x.js')
	.done(function ( js ) {
		console.log( 'Asset x.js loaded.' );
	})
	.fail(function ( js ) {
		console.log( 'Asset x.js loading failed.' );
	});

loader
	.load(['x.js','y.js'])
	.done(function ( js1, js2 ) {
		console.log( 'Assets x.js and y.js loaded.' );
	})
	.fail(function ( js1, js2 ) {
		console.log( 'Assets x.js and y.js loading failed.' );
	});

loader
	.load('x.js', function ( js ) {
		console.log( 'Asset x.js loaded.' );
	});

loader
	.load({
		url: 'x.js',
		success: function ( js ) {
			console.log( 'Asset x.js loaded.' );
		},
		error: function ( js ) {
			console.log( 'Asset x.js loading failed.' );
		}
	});

CSS assets

var loader = require('kist-loader');

loader
	.load('x.css')
	.done(function ( css ) {
		console.log( 'Asset x.css loaded.' );
	})
	.fail(function ( css ) {
		console.log( 'Asset x.css loading failed.' );
	});

loader
	.load(['x.css','y.css'])
	.done(function ( css1, css2 ) {
		console.log( 'Assets x.css and y.css loaded.' );
	})
	.fail(function ( css1, css2 ) {
		console.log( 'Assets x.css and y.css loading failed.' );
	});

loader
	.load('x.css', function ( css ) {
		console.log( 'Asset x.css loaded.' );
	});

loader
	.load({
		url: 'x.css',
		success: function ( css ) {
			console.log( 'Asset x.css loaded.' );
		},
		error: function ( css ) {
			console.log( 'Asset x.css loading failed.' );
		}
	});

Image assets

var loader = require('kist-loader');

loader
	.load('x.png')
	.done(function ( img ) {
		console.log( 'Asset x.png loaded.' );
	})
	.fail(function ( img ) {
		console.log( 'Asset x.png loading failed.' );
	});

loader
	.load(['x.png','y.png'])
	.done(function ( img1, img2 ) {
		console.log( 'Assets x.png and y.png loaded.' );
	})
	.fail(function ( img1, img2 ) {
		console.log( 'Assets x.png and y.png loading failed.' );
	});

loader
	.load('x.png', function ( img ) {
		console.log( 'Asset x.png loaded.' );
	});

loader
	.load({
		url: 'x.png',
		success: function ( img ) {
			console.log( 'Asset x.png loaded.' );
		},
		error: function ( img ) {
			console.log( 'Asset x.png loading failed.' );
		}
	});

Text assets

var loader = require('kist-loader');

loader
	.load('x.txt')
	.done(function ( txt ) {
		console.log( 'Asset x.txt loaded.' );
	})
	.fail(function ( txt ) {
		console.log( 'Asset x.txt loading failed.' );
	});

loader
	.load(['x.txt','y.txt'])
	.done(function ( txt1, txt2 ) {
		console.log( 'Assets x.txt and y.txt loaded.' );
	})
	.fail(function ( txt1, txt2 ) {
		console.log( 'Assets x.txt and y.txt loading failed.' );
	});

loader
	.load('x.txt', function ( txt ) {
		console.log( 'Asset x.txt loaded.' );
	});

loader
	.load({
		url: 'x.txt',
		success: function ( txt ) {
			console.log( 'Asset x.txt loaded.' );
		},
		error: function ( txt ) {
			console.log( 'Asset x.txt loading failed.' );
		}
	});

Async (CORS) assets

var loader = require('kist-loader');

loader
	.load('async!//connect.facebook.net/en_US/all.js#xfbml=1');

Mixed assets

var loader = require('kist-loader');

loader
	.load(['x.js','y.css'], function ( js, css ) {
		console.log( 'Assets x.js and y.css loaded.' );
	});

Aliases

var loader = require('kist-loader');

loader
	.loadScript(['z.js'], function ( js ) {
		console.log( 'Asset z.js loaded.' );
	});

loader
	.loadStyle(['z.css'], function ( css ) {
		console.log( 'Asset z.css loaded.' );
	});

loader
	.loadImage(['z.jpg'], function ( img ) {
		console.log( 'Asset z.jpg loaded.' );
	});

loader
	.loadText(['z.txt'], function ( txt ) {
		console.log( 'Asset z.txt loaded.' );
	});

loader
	.loadAsync(['//connect.facebook.net/en_US/all.js#xfbml=1']);

AMD and global

define(['kist-loader'], cb);

window.$.kist.loader;

Plugins

Certain method are not provided by default and they should be included as plugins.

• Google Maps loader

Browser support

Tested in IE8+ and all modern browsers.

Acknowledgments

• jQuery documentation on Deferreds
• Async load
• Applying CSS in IE

License

MIT © Ivan Nikolić