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<title>Code coverage report for src/modules/props.ts</title>
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<h1>
<a href="../../index.html">all files</a> / <a href="index.html">src/modules/</a> props.ts
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<div class='fl pad1y space-right2'>
<span class="strong">87.8% </span>
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<span class='fraction'>36/41</span>
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<span class="strong">70% </span>
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<span class='fraction'>21/30</span>
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<span class="strong">83.33% </span>
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<span class='fraction'>5/6</span>
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<span class="strong">96.88% </span>
<span class="quiet">Lines</span>
<span class='fraction'>31/32</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { ElementVNode, Module } from '../'
import { BaseModule } from './BaseModule'
import { emptyVNode } from './emptyVNode'
export function createPropsModule(): Module {
return new PropsModule()
}
export const PROPERTIES_TO_SKIP: Record<string, boolean> = {
class: true,
on: true,
listener: true,
focus: true,
style: true,
attrs: true,
key: true,
module: true,
init: true,
create: true,
update: true,
insert: true,
remove: true,
destroy: true,
prepatch: true,
postpatch: true,
}
export const ATTRIBUTE_TO_REMOVE: Record<string, boolean> = {
id: true,
}
class PropsModule extends BaseModule {
<span class="fstat-no" title="function not covered" > public create(vNode: ElementVNode)</span> {
<span class="cstat-no" title="statement not covered" > updateProps(emptyVNode as ElementVNode, vNode)</span>
}
public update(formerVNode: ElementVNode, vNode: ElementVNode) {
updateProps(formerVNode, vNode)
}
}
function updateProps(formerVNode: ElementVNode, vNode: ElementVNode): void {
const element: any = vNode.element
let formerProps: any = formerVNode.props
let props: any = vNode.props
<span class="missing-if-branch" title="if path not taken" >I</span>if (!formerProps && <span class="branch-1 cbranch-no" title="branch not covered" >!props)</span> <span class="cstat-no" title="statement not covered" >return</span>
formerProps = formerProps || <span class="branch-1 cbranch-no" title="branch not covered" >{}</span>
props = props || <span class="branch-1 cbranch-no" title="branch not covered" >{}</span>
for (const key in formerProps) {
const propertyIsMissing = !PROPERTIES_TO_SKIP[key] && !props[key]
const keyIsClassName = propertyIsMissing && key === 'className'
const shouldRemoveAttribute = propertyIsMissing && ATTRIBUTE_TO_REMOVE[key]
<span class="missing-if-branch" title="else path not taken" >E</span>if (propertyIsMissing) delete element[key]
if (keyIsClassName) removePreviousClassName(formerProps[key], element)
if (shouldRemoveAttribute) element.removeAttribute(key)
}
for (const key in props) <span class="cstat-no" title="statement not covered" >if (!PROPERTIES_TO_SKIP[key]) <span class="cstat-no" title="statement not covered" >element[key] = props[key]</span></span>
}
function removePreviousClassName(className: string, element: Element) {
const shouldRemoveClassName = className && element.classList
const shouldRemoveClassAttribute = shouldRemoveClassName && element.getAttribute('class') === ''
<span class="missing-if-branch" title="else path not taken" >E</span>if (shouldRemoveClassName) element.classList.remove(...className.split(' '))
<span class="missing-if-branch" title="if path not taken" >I</span>if (shouldRemoveClassAttribute) <span class="cstat-no" title="statement not covered" >element.removeAttribute('class')</span>
}
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Code coverage
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