/**
* @file 包裹React组件，返回一个新组件，新组件可以访问`ei`上下文，从而提供`store`数据和`dispatch`方法
*
* 原理是使用high order组件
*
* @author Leon(leon@outlook.com)
*
* @requires react
* @requires underscore
*/
var React = require('react');
var u = require('underscore');
var ContextConnector = require('../component/ContextConnector');
var bindActions = require('./bindActions');
var bindSelectors = require('./bindSelectors');
/**
* 使用high order方法，包装一个组件，使它具体连接到context的能力
*
* @method module:ei.connect
* @param {!ReactComponent} Component 指定的组件
* @param {*} selector 数据选择器，支持多种方式选择数据
* @param {?Map<string, Object>} actions 名称 - ActionCreator
* @return {ReactComponent}
*/
function connect(Component, selector, actions) {
var ContextFixer = React.createClass({
displayName: 'ContextFixer',
select: bindSelectors(selector),
render: function () {
var props = this.props;
return React.createElement(
ContextConnector,
{
select: this.select
},
function (state, dispatch) {
return React.createElement(
Component,
u.extendOwn(
{},
state,
props,
actions ? bindActions(dispatch, actions) : null
)
);
}
);
}
});
return ContextFixer;
}
module.exports = connect;