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<title>Code coverage report for htmlcs/lib/rules/unique-id.js</title>
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<a href="../../../index.html">all files</a> / <a href="index.html">htmlcs/lib/rules/</a> unique-id.js
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/**
* @file rule: unique-id
* @author nighca<nighca@live.cn>
*/
module.exports = {
name: 'unique-id',
desc: 'Id should be unique in page.',
lint: function (getCfg, document, reporter) {
var idMap = {};
document.querySelectorAll('[id]').forEach(function (element) {
if (!getCfg(element)) {
return;
}
if (element.id) {
(idMap[element.id] = idMap[element.id] || []).push(element);
}
});
var report = function (element) {
reporter.warn(element.startIndex, '026', 'Id should be unique in page.');
};
Object.keys(idMap).forEach(function (id) {
var elements = idMap[id];
if (elements.length > 1) {
elements.forEach(report);
}
});
}
};
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