avalon2
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an elegant efficient express mvvm framework
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<title>Code coverage report for vtree/validateDOMNesting.js</title>
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<a href="../index.html">all files</a> / <a href="index.html">vtree/</a> validateDOMNesting.js
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<span class="strong">77.78% </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { avalon, oneObject } from '../seed/core'
export function validateDOMNesting(parent, child) {
var parentTag = parent.nodeName
var tag = child.nodeName
var parentChild = nestObject[parentTag]
if (parentChild) {
if (parentTag === 'p') {
<span class="missing-if-branch" title="if path not taken" >I</span>if (pNestChild[tag]) {
<span class="cstat-no" title="statement not covered" > avalon.warn('P element can not add these childlren:\n' +</span>
Object.keys(pNestChild))
<span class="cstat-no" title="statement not covered" > return false</span>
}
} else <span class="missing-if-branch" title="if path not taken" >I</span>if (!parentChild[tag]) {
<span class="cstat-no" title="statement not covered" > avalon.warn(parentTag.toUpperCase() +</span>
'element only add these children:\n' + Object.keys(parentChild) + '\nbut you add ' + tag.toUpperCase() + ' !!')
<span class="cstat-no" title="statement not covered" > return false</span>
}
}
return true
}
function makeObject(str) {
return oneObject(str + ',template,#document-fragment,#comment')
}
var pNestChild = oneObject('div,ul,ol,dl,table,h1,h2,h3,h4,h5,h6,form,fieldset')
var tNestChild = makeObject('tr,style,script')
var nestObject = {
p: pNestChild,
// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inselect
select: makeObject('option,optgroup,#text'),
optgroup: makeObject('option,#text'),
option: makeObject('#text'),
// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intd
// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-incaption
// No special behavior since these rules fall back to "in body" mode for
// all except special table nodes which cause bad parsing behavior anyway.
// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intr
tr: makeObject('th,td,style,script'),
// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intbody
tbody: tNestChild,
tfoot: tNestChild,
thead: tNestChild,
// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-incolgroup
colgroup: makeObject('col'),
// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intable
// table: oneObject('caption,colgroup,tbody,thead,tfoot,style,script,template,#document-fragment'),
// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inhead
head: makeObject('base,basefont,bgsound,link,style,script,meta,title,noscript,noframes'),
// https://html.spec.whatwg.org/multipage/semantics.html#the-html-element
html: oneObject('head,body')
}</pre></td></tr>
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