gecko-dev/dom/webidl/CustomElementRegistry.webidl

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
// https://html.spec.whatwg.org/#dom-window-customelements
interface CustomElementRegistry {
[CEReactions, Throws, UseCounter]
void define(DOMString name, Function functionConstructor,
optional ElementDefinitionOptions options);
[ChromeOnly, Throws]
void setElementCreationCallback(DOMString name, CustomElementCreationCallback callback);
any get(DOMString name);
[Throws]
Promise<void> whenDefined(DOMString name);
[CEReactions] void upgrade(Node root);
};
dictionary ElementDefinitionOptions {
DOMString extends;
};
callback CustomElementCreationCallback = void (DOMString name);