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<title>Code coverage report for src/modules/events.ts</title>
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<h1>
<a href="../../index.html">all files</a> / <a href="index.html">src/modules/</a> events.ts
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<div class='fl pad1y space-right2'>
<span class="strong">35.29% </span>
<span class="quiet">Statements</span>
<span class='fraction'>12/34</span>
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<span class="strong">0% </span>
<span class="quiet">Branches</span>
<span class='fraction'>0/16</span>
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<div class='fl pad1y space-right2'>
<span class="strong">11.11% </span>
<span class="quiet">Functions</span>
<span class='fraction'>1/9</span>
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<div class='fl pad1y space-right2'>
<span class="strong">37.93% </span>
<span class="quiet">Lines</span>
<span class='fraction'>11/29</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { ElementVNode, EventHandler, Module } from '../'
import { BaseModule } from './BaseModule'
import { emptyVNode } from './emptyVNode'
<span class="fstat-no" title="function not covered" >export function createEventsModule(</span>): Module {
<span class="cstat-no" title="statement not covered" > return new EventsModule()</span>
}
class EventsModule extends BaseModule {
<span class="fstat-no" title="function not covered" > public create(vNode: ElementVNode)</span> {
<span class="cstat-no" title="statement not covered" > updateEventHandlers(emptyVNode, vNode)</span>
}
<span class="fstat-no" title="function not covered" > public update(formerVNode: ElementVNode, vNode: ElementVNode)</span> {
<span class="cstat-no" title="statement not covered" > updateEventHandlers(formerVNode, vNode)</span>
}
<span class="fstat-no" title="function not covered" > public destroy(vNode: ElementVNode)</span> {
<span class="cstat-no" title="statement not covered" > updateEventHandlers(vNode, emptyVNode)</span>
}
}
<span class="fstat-no" title="function not covered" >function updateEventHandlers<T extends Element>(</span>
formerVNode: ElementVNode<T>,
vNode: ElementVNode<T>
)
{
const {
<span class="cstat-no" title="statement not covered" > element: formerElement,</span>
props: { on: formerOn = {}, listener: formerListener = createListener(vNode) }
} = formerVNode
const { <span class="cstat-no" title="statement not covered" >element, props: { on = {} } } = vNode</span>
<span class="cstat-no" title="statement not covered" > if (formerOn === on) <span class="cstat-no" title="statement not covered" >return</span></span>
<span class="cstat-no" title="statement not covered" > const listener = vNode.props.listener = formerListener</span>
<span class="cstat-no" title="statement not covered" > for (const name in formerOn)</span>
<span class="cstat-no" title="statement not covered" > if (!(on as any)[name]) <span class="cstat-no" title="statement not covered" >formerElement.removeEventListener(name, listener, false)</span></span>
<span class="cstat-no" title="statement not covered" > for (const name in on)</span>
<span class="cstat-no" title="statement not covered" > if (!(formerOn as any)[name]) <span class="cstat-no" title="statement not covered" >element.addEventListener(name, listener, false)</span></span>
}
<span class="fstat-no" title="function not covered" >function createListener<T extends Element>(vNode: ElementVNode<T>)</span>: EventListener {
<span class="cstat-no" title="statement not covered" > return <span class="fstat-no" title="function not covered" >function(event: Event)</span> {</span>
<span class="cstat-no" title="statement not covered" > handleEvent<T>(event, vNode)</span>
}
}
<span class="fstat-no" title="function not covered" >function handleEvent<T extends Element>(event: Event, vNode: ElementVNode<T>)</span> {
const { <span class="cstat-no" title="statement not covered" >type } = event</span>
const { props: { <span class="cstat-no" title="statement not covered" >on = {} } } = vNode</span>
<span class="cstat-no" title="statement not covered" > const handler = (on as any)[type] as EventHandler<T, Event></span>
<span class="cstat-no" title="statement not covered" > if (handler) <span class="cstat-no" title="statement not covered" >handler(event as any, vNode)</span></span>
}
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Code coverage
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