can
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MIT-licensed, client-side, JavaScript framework that makes building rich web applications easy.
73 lines (72 loc) • 3.29 kB
JavaScript
/*!
* CanJS - 2.3.34
* http://canjs.com/
* Copyright (c) 2018 Bitovi
* Mon, 30 Apr 2018 20:56:51 GMT
* Licensed MIT
*/
/*can@2.3.34#util/fragment*/
define(['can/util/can'], function (can) {
var fragmentRE = /^\s*<(\w+)[^>]*>/, toString = {}.toString, fragment = function (html, name, doc) {
if (name === undefined) {
name = fragmentRE.test(html) && RegExp.$1;
}
if (html && toString.call(html.replace) === '[object Function]') {
html = html.replace(/<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi, '<$1></$2>');
}
var container = doc.createElement('div'), temp = doc.createElement('div');
if (name === 'tbody' || name === 'tfoot' || name === 'thead' || name === 'colgroup') {
temp.innerHTML = '<table>' + html + '</table>';
container = temp.firstChild.nodeType === 3 ? temp.lastChild : temp.firstChild;
} else if (name === 'col') {
temp.innerHTML = '<table><colgroup>' + html + '</colgroup></table>';
container = temp.firstChild.nodeType === 3 ? temp.lastChild : temp.firstChild.firstChild;
} else if (name === 'tr') {
temp.innerHTML = '<table><tbody>' + html + '</tbody></table>';
container = temp.firstChild.nodeType === 3 ? temp.lastChild : temp.firstChild.firstChild;
} else if (name === 'td' || name === 'th') {
temp.innerHTML = '<table><tbody><tr>' + html + '</tr></tbody></table>';
container = temp.firstChild.nodeType === 3 ? temp.lastChild : temp.firstChild.firstChild.firstChild;
} else if (name === 'option') {
temp.innerHTML = '<select>' + html + '</select>';
container = temp.firstChild.nodeType === 3 ? temp.lastChild : temp.firstChild;
} else {
container.innerHTML = '' + html;
}
var tmp = {}, children = can.childNodes(container);
tmp.length = children.length;
for (var i = 0; i < children.length; i++) {
tmp[i] = children[i];
}
return [].slice.call(tmp);
};
can.buildFragment = function (html, doc) {
if (html && html.nodeType === 11) {
return html;
}
if (!doc) {
doc = document;
} else if (doc.length) {
doc = doc[0];
}
var parts = fragment(html, undefined, doc), frag = (doc || document).createDocumentFragment();
for (var i = 0, length = parts.length; i < length; i++) {
frag.appendChild(parts[i]);
}
return frag;
};
(function () {
var text = '<-\n>', frag = can.buildFragment(text, document);
if (text !== frag.firstChild.nodeValue) {
var oldBuildFragment = can.buildFragment;
can.buildFragment = function (html, nodes) {
var res = oldBuildFragment(html, nodes);
if (res.childNodes.length === 1 && res.childNodes[0].nodeType === 3) {
res.childNodes[0].nodeValue = html;
}
return res;
};
}
}());
return can;
});