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- /**
- * Expose `parse`.
- */
- module.exports = parse;
- /**
- * Tests for browser support.
- */
- var innerHTMLBug = false;
- var bugTestDiv;
- if (typeof document !== 'undefined') {
- bugTestDiv = document.createElement('div');
- // Setup
- bugTestDiv.innerHTML = ' <link/><table></table><a href="/a">a</a><input type="checkbox"/>';
- // Make sure that link elements get serialized correctly by innerHTML
- // This requires a wrapper element in IE
- innerHTMLBug = !bugTestDiv.getElementsByTagName('link').length;
- bugTestDiv = undefined;
- }
- /**
- * Wrap map from jquery.
- */
- var map = {
- legend: [1, '<fieldset>', '</fieldset>'],
- tr: [2, '<table><tbody>', '</tbody></table>'],
- col: [2, '<table><tbody></tbody><colgroup>', '</colgroup></table>'],
- // for script/link/style tags to work in IE6-8, you have to wrap
- // in a div with a non-whitespace character in front, ha!
- _default: innerHTMLBug ? [1, 'X<div>', '</div>'] : [0, '', '']
- };
- map.td =
- map.th = [3, '<table><tbody><tr>', '</tr></tbody></table>'];
- map.option =
- map.optgroup = [1, '<select multiple="multiple">', '</select>'];
- map.thead =
- map.tbody =
- map.colgroup =
- map.caption =
- map.tfoot = [1, '<table>', '</table>'];
- map.polyline =
- map.ellipse =
- map.polygon =
- map.circle =
- map.text =
- map.line =
- map.path =
- map.rect =
- map.g = [1, '<svg xmlns="http://www.w3.org/2000/svg" version="1.1">','</svg>'];
- /**
- * Parse `html` and return a DOM Node instance, which could be a TextNode,
- * HTML DOM Node of some kind (<div> for example), or a DocumentFragment
- * instance, depending on the contents of the `html` string.
- *
- * @param {String} html - HTML string to "domify"
- * @param {Document} doc - The `document` instance to create the Node for
- * @return {DOMNode} the TextNode, DOM Node, or DocumentFragment instance
- * @api private
- */
- function parse(html, doc) {
- if ('string' != typeof html) throw new TypeError('String expected');
- // default to the global `document` object
- if (!doc) doc = document;
- // tag name
- var m = /<([\w:]+)/.exec(html);
- if (!m) return doc.createTextNode(html);
- html = html.replace(/^\s+|\s+$/g, ''); // Remove leading/trailing whitespace
- var tag = m[1];
- // body support
- if (tag == 'body') {
- var el = doc.createElement('html');
- el.innerHTML = html;
- return el.removeChild(el.lastChild);
- }
- // wrap map
- var wrap = Object.prototype.hasOwnProperty.call(map, tag) ? map[tag] : map._default;
- var depth = wrap[0];
- var prefix = wrap[1];
- var suffix = wrap[2];
- var el = doc.createElement('div');
- el.innerHTML = prefix + html + suffix;
- while (depth--) el = el.lastChild;
- // one element
- if (el.firstChild == el.lastChild) {
- return el.removeChild(el.firstChild);
- }
- // several elements
- var fragment = doc.createDocumentFragment();
- while (el.firstChild) {
- fragment.appendChild(el.removeChild(el.firstChild));
- }
- return fragment;
- }
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