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butterfly-loader

v3.0.3

Published

An AMD javascript loader can be used in both in node & browse env.

Downloads

36

Readme

butterfly-loader

Build Status Coverage Status

一个精致实用的AMD javascript模块加载器,可用于node端和浏览器环境

Useage

在HTML中引入加载器

<script src="path-to-butterfly-root/dist/butterfly.min.js"></script>

API

define(id, depends, factory) - 定义模块

/**
 * 定义模块
 * @param {String}  id      - 模块id
 * @param {Array}   depends - 依赖模块
 * @param {Any}     factory - 模块构造器
 */
define(id, depends, factory)
define(id, depends)
define(id, factory)
define(depends, factory)
define(factory)

butterfly.config(name, value) - 配置加载器

用于设置和获取config

loader.config(name)
loader.config(name, value)

一般用于配置aliasresolve规则

配置resolve

butterfly.config('alias', {
  'util-request', 'util/request'
});

alias也可以是一个function

butterfly.config('alias', function(id) {
  if (id.startsWith('ui-')) {
    return 'ui/' + id;
  }
});

配置resolve规则

butterfly.config('resolve', function(id) {
  return '/assets/' + id + '.js';
});

butterfly.new(namespace, [options]) -> Loader

定义一个新的loader

window.x = butterfly.new('x', { autoloadAnonymous: true });

然后就可以使用x加载器了

x.define('util', ['exports'], function(exports) {
  exports.sum = function(a, b) {
    return a + b;
  };
});


x.require(['util'], function(util) {
  util.sum(1, 2).should.be.equal(3);
});

loader.define(id, depends, factory)

定义模块

loader.require(depends, callback)

加载模块

loader.hasDefine(id)

判断模块是否已加载

loader.undefine(id)

取消定义一个模块

loader.getModules()

取得加载器中所有的模块

loader.resolve(id)

解析模块远程地址

butterfly.noConflict(deep)

默认情况下,加载器会占有butterflydefine两个全局变量,如果有冲突时可以使用这个方法解决

window.x = butterfly.noConflict();
define(...)     // 这个就是原来的define
x.define(...)   // 现在就可以使用x来定义和加载模块了