can-fragment
Version:
Create a fragment from lots of stuff
93 lines • 4.33 kB
JavaScript
/*can-fragment@1.3.0#can-fragment*/
define('can-fragment', [
'require',
'exports',
'module',
'can-globals/document/document',
'can-namespace',
'can-reflect',
'can-child-nodes',
'can-symbol'
], function (require, exports, module) {
(function (global, require, exports, module) {
'use strict';
var getDocument = require('can-globals/document/document');
var namespace = require('can-namespace');
var canReflect = require('can-reflect');
var childNodes = require('can-child-nodes');
var canSymbol = require('can-symbol');
var fragmentRE = /^\s*<(\w+)[^>]*>/, toString = {}.toString, toDOMSymbol = canSymbol.for('can.toDOM');
function makeFragment(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;
}
return [].slice.call(childNodes(container));
}
function fragment(html, doc) {
if (html && html.nodeType === 11) {
return html;
}
if (!doc) {
doc = getDocument();
} else if (doc.length) {
doc = doc[0];
}
var parts = makeFragment(html, undefined, doc), frag = (doc || document).createDocumentFragment();
for (var i = 0, length = parts.length; i < length; i++) {
frag.appendChild(parts[i]);
}
return frag;
}
var makeFrag = function (item, doc) {
var document = doc || getDocument();
var frag;
if (!item || typeof item === 'string') {
frag = fragment(item == null ? '' : '' + item, document);
} else if (typeof item[toDOMSymbol] === 'function') {
return makeFrag(item[toDOMSymbol]());
} else if (item.nodeType === 11) {
return item;
} else if (typeof item.nodeType === 'number') {
frag = document.createDocumentFragment();
frag.appendChild(item);
return frag;
} else if (canReflect.isListLike(item)) {
frag = document.createDocumentFragment();
canReflect.eachIndex(item, function (item) {
frag.appendChild(makeFrag(item));
});
} else {
frag = fragment('' + item, document);
}
if (!childNodes(frag).length) {
frag.appendChild(document.createTextNode(''));
}
return frag;
};
module.exports = namespace.fragment = namespace.frag = makeFrag;
}(function () {
return this;
}(), require, exports, module));
});