avalon2
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an elegant efficient express mvvm framework
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<a href="../../index.html">all files</a> / <a href="index.html">directives/duplex/</a> compact.js
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<span class="strong">100% </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">
import { avalon } from '../../seed/core'
import { duplexBeforeInit, duplexInit, duplexDiff, duplexValidate, valueHijack, updateView } from './share'
import { updateModel } from './updateDataHandle'
import { updateDataEvents } from './updateDataEvents.compact'
avalon.directive('duplex', {
priority: 9999999,
beforeInit: duplexBeforeInit,
init: duplexInit,
diff: duplexDiff,
update: function (vdom, value) {
var dom = vdom.dom
if (!this.dom) {
this.dom = dom
this.duplexCb = updateModel
dom._ms_duplex_ = this
//绑定事件
updateDataEvents(dom, this)
//添加验证
duplexValidate(dom, vdom)
}
//如果不支持input.value的Object.defineProperty的属性支持,
//需要通过轮询同步, chrome 42及以下版本需要这个hack
pollValue.call(this, avalon.msie, valueHijack)
//更新视图
updateView[this.dtype].call(this)
}
})
function pollValue(isIE, valueHijack) {
var dom = this.dom
if (this.isString
&& valueHijack
&& !isIE
&& !dom.valueHijack) {
dom.valueHijack = updateModel
var intervalID = setInterval(function () {
if (!avalon.contains(avalon.root, dom)) {
clearInterval(intervalID)
} else {
dom.valueHijack({ type: 'poll' })
}
}, 30)
return intervalID
}
}
avalon.__pollValue = pollValue //export to test
/* istanbul ignore if */
<span class="skip-if-branch" title="if path not taken" >I</span>if (avalon.msie < 8) {
<span class="cstat-skip" title="statement not covered" > var oldUpdate = updateView.updateChecked</span>
<span class="cstat-skip" title="statement not covered" > updateView.updateChecked = <span class="fstat-skip" title="function not covered" >function (vdom, checked) {</span></span>
<span class="cstat-skip" title="statement not covered" > var dom = vdom.dom</span>
<span class="cstat-skip" title="statement not covered" > if (dom) {</span>
<span class="cstat-skip" title="statement not covered" > setTimeout(<span class="fstat-skip" title="function not covered" >function () {</span></span>
<span class="cstat-skip" title="statement not covered" > oldUpdate(vdom, checked)</span>
<span class="cstat-skip" title="statement not covered" > dom.firstCheckedIt = 1</span>
}, dom.firstCheckedIt ? 31 : 16)
//IE6,7 checkbox, radio是使用defaultChecked控制选中状态,
//并且要先设置defaultChecked后设置checked
//并且必须设置延迟(因为必须插入DOM树才生效)
}
}
}
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Code coverage
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