45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
/**
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* DOMParser HTML extension
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* 2012-09-04
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*
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* By Eli Grey, http://eligrey.com
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* Public domain.
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* NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
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*
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* SPDX-FileCopyrightText: 2012 Eli Grey, http://eligrey.com
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* SPDX-License-Identifier: CC0-1.0
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*/
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/*! @source https://gist.github.com/1129031 */
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/* global document, DOMParser */
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(function(DOMParser) {
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'use strict'
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const DOMParser_proto = DOMParser.prototype
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const real_parseFromString = DOMParser_proto.parseFromString
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// Firefox/Opera/IE throw errors on unsupported types
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try {
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// WebKit returns null on unsupported types
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if ((new DOMParser()).parseFromString('', 'text/html')) {
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// text/html parsing is natively supported
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return
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}
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} catch (ex) {}
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DOMParser_proto.parseFromString = function(markup, type) {
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if (/^\s*text\/html\s*(?:;|$)/i.test(type)) {
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const doc = document.implementation.createHTMLDocument('')
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if (markup.toLowerCase().indexOf('<!doctype') > -1) {
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doc.documentElement.innerHTML = markup
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} else {
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doc.body.innerHTML = markup
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}
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return doc
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} else {
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return real_parseFromString.apply(this, arguments)
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}
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}
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}(DOMParser))
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