A experimental module loader with the same APIs of SeaJS(http://seajs.org).
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A experimental module loader with the same APIs of SeaJS(http://seajs.org).

API Reference

define(id, dependencies, factory)

Define a module.

define('foo.js', [ 'bar.js' ], function (require, exports, module) {
	var bar = require('bar.js');
	require.async('baz.js', function (baz) {
		// ...
	// ...

seajs.use(id, callback)

Use modules by id. 'callback' is executed when all modules ready.

seajs.use('foo', function (foo) {
	// ...

seajs.use([ 'bar', 'baz' ], function (bar, baz) {
	// ...


Deep-merge configuration in option object with existing ones.

	alias: {
		'foo': 'http://foo.com',
	base: 'http://bar.com/',
	charset: 'utf-8'

seajs.before(methodName, handler)

Add an AOP handler before an internal method.

seajs.before('load', function (uris) {
	return [ combo(uris) ];

seajs.after(methodName, handler)

Add an AOP handler after an internal method.

seajs.after('resolve', function (uri) {
	return map(uri);

Module ID

Module ID is a unique full URI assigned with a module. Module ID could write in partial or alias form but will be resolved to full URI finally.

Full URI

Full URI is used as it is.


Partial URI

Partial URI could be a relative pathname or a absolute pathname. In HTML page, relative pathname is resolved based on page URI. In a module, relative pathname is resolved based on module ID. And absolute pathname is always resolved based on seajs base configuration.

# in http://foo.com/index.html
seajs.use('./bar.js') // equals => seajs.use('http://foo.com/bar.js')

# in http://foo.com/bar.js
require('./baz.js') // equals => require('http://foo.com/baz.js')

# base is configured to 'http://foo.com/bar/'
require('baz.js') // equals => require('http://foo.com/bar/baz.js')


If module ID is writen in absolute pathname, the first part could be an alias.

# define alias: 'bar': 'http://foo.com/bar'
require('bar/baz.js') // equals => require('http://foo/bar/baz.js')

Prepend # to ID can prevent alias parsing.

# define alias: 'bar': 'http://foo.com/bar'
# base is configured to 'http://foo.com/bar/'
require('#bar/baz.js') // equals => require('http://foo/bar/bar/baz.js')


If a URI does not have an extname, or not contain ?, .js is appended to URI by default.

# in http://foo.com/bar.js
require('./baz') // equals => require('http://foo.com/baz.js')

Append '#' to ID can prevent default extname appending.

# in http://foo.com/bar.js
require('./baz#') // equals => require('http://foo.com/baz')