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Document.js
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Document.js
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/**
* @license
* Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
* This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
* The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
* The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
* Code distributed by Google as part of the polymer project is also
* subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
*/
import Native from './Native.js';
import CustomElementInternals from '../CustomElementInternals.js';
import * as Utilities from '../Utilities.js';
import PatchParentNode from './Interface/ParentNode.js';
/**
* @param {!CustomElementInternals} internals
*/
export default function(internals) {
Utilities.setPropertyUnchecked(Document.prototype, 'createElement',
/**
* @this {Document}
* @param {string} localName
* @return {!Element}
*/
function(localName) {
// Only create custom elements if this document is associated with the registry.
if (this.__CE_hasRegistry) {
const definition = internals.localNameToDefinition(localName);
if (definition) {
return new (definition.constructorFunction)();
}
}
const result = /** @type {!Element} */
(Native.Document_createElement.call(this, localName));
internals.patchElement(result);
return result;
});
Utilities.setPropertyUnchecked(Document.prototype, 'importNode',
/**
* @this {Document}
* @param {!Node} node
* @param {boolean=} deep
* @return {!Node}
*/
function(node, deep) {
const clone = /** @type {!Node} */ (Native.Document_importNode.call(this, node, !!deep));
// Only create custom elements if this document is associated with the registry.
if (!this.__CE_hasRegistry) {
internals.patchTree(clone);
} else {
internals.patchAndUpgradeTree(clone);
}
return clone;
});
const NS_HTML = "http://www.w3.org/1999/xhtml";
Utilities.setPropertyUnchecked(Document.prototype, 'createElementNS',
/**
* @this {Document}
* @param {?string} namespace
* @param {string} localName
* @return {!Element}
*/
function(namespace, localName) {
// Only create custom elements if this document is associated with the registry.
if (this.__CE_hasRegistry && (namespace === null || namespace === NS_HTML)) {
const definition = internals.localNameToDefinition(localName);
if (definition) {
return new (definition.constructorFunction)();
}
}
const result = /** @type {!Element} */
(Native.Document_createElementNS.call(this, namespace, localName));
internals.patchElement(result);
return result;
});
PatchParentNode(internals, Document.prototype, {
prepend: Native.Document_prepend,
append: Native.Document_append,
});
};