third_party/blink/renderer/core/html/custom/element_internals.idl

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://docs.google.com/document/d/1JO8puctCSpW-ZYGU8lF-h4FWRIDQNDVexzHoOQ2iQmY/edit?pli=1#heading=h.pjt9nhs3gu3k

[
  Exposed=Window,
  RuntimeEnabled=ElementInternals
]
interface ElementInternals {
  // Attributes and operations for form-associated custom elements.
  [RaisesException] void setFormValue(FormDataEntryValue value, optional FormData entrySource);

  [RaisesException] readonly attribute HTMLFormElement? form;

  [RaisesException] void setValidity(ValidityStateFlags flags, optional DOMString message);
  [RaisesException] readonly attribute boolean willValidate;
  [RaisesException] readonly attribute ValidityState validity;
  [RaisesException, ImplementedAs=ValidationMessageForBinding] readonly attribute DOMString validationMessage;
  [RaisesException] boolean checkValidity();
  [RaisesException] boolean reportValidity();

  readonly attribute NodeList labels;
};