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4e3054bab3
Extends `FormController` to provide label activation via form associated custom elements via a shim where not supported (currently just Safari). Performing label activation is the responsibility of form associated elements. Helpers are provided to facilitate this, including `isActivationClick` and `dispatchActivationClick`. Note, any element that should perform an action via a click, could use these helpers to help distinguish external "activation" clicks. PiperOrigin-RevId: 495689270
23 lines
571 B
TypeScript
23 lines
571 B
TypeScript
/**
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* @license
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* Copyright 2022 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* FormAssociatedElement interface
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*/
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export interface FormAssociatedElement extends HTMLElement {}
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declare var FormAssociatedElement: {
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new (): FormAssociatedElement; prototype: FormAssociatedElement;
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readonly formAssociated?: boolean;
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};
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/**
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* Returns true if the element is a form associated custom element (FACE).
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*/
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export function isFormAssociated(element: FormAssociatedElement) {
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return (element.constructor as typeof FormAssociatedElement).formAssociated;
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}
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