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arale-base

v1.2.0

Published

Base 是一个基础类,提供 Class、Events、Attribute 和 Aspect 支持。

Downloads

14

Readme

Base


spm package Build Status Coverage Status

Base 是一个基础类,提供 ClassEvents、Attribute 和 Aspect 支持。


使用说明

extend Base.extend(properties)

基于 Base 创建子类。例子:

/* pig.js */
define(function(require, exports, module) {
    var Base = require('base');

    var Pig = Base.extend({
        attrs: {
            name: ''
        },
        talk: function() {
            alert('我是' + this.get('name'));
        }
    });

    module.exports = Pig;
});

继承 Base 可覆盖 initialize 构造函数, 但需要调用父类构造函数,如 arale 的 widget 定义了组件的生命周期

/* widget.js */
define(function(require, exports, module) {
    var Base = require('base');

    var Widget = Base.extend({
        initialize: function(config) {
            Widget.superclass.initialize.call(this, config);
            this.parseElement()
            this.initProps()
            this.delegateEvents()
            this.setup()
        },
        ...
    });

    module.exports = Widget;
});

Base 继承和混入了一下功能,可查看文档 :

Base 与 Class 的关系

Base 是使用 Class 创建的一个基础类,默认混入了 EventsAttributeAspect 模块:

/* base.js */
define(function(require) {

    var Class = require('class');
    var Events = require('events');
    var Aspect = require('./aspect');
    var Attribute = require('./attribute');

    var Base = Class.create({
        Implements: [Events, Aspect, Attribute],

        initialize: function(config) {
            ...
        },

        ...
    });

    ...
});