mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Joshua Gross
6abbef1200
Summary: In preparation for upcoming changes, it is useful / necessary to have a CustomEvent and Event polyfill for React Native. In browser environments, both of those are expected to be accessible in the global scope, so we do the same here. Changelog: [Added][JS] Event and CustomEvent W3C-compatible polyfills Reviewed By: necolas Differential Revision: D34462447 fbshipit-source-id: 5efdad6f24c268a6d248d4e3351fc96715ee3fdf
33 lines
802 B
JavaScript
33 lines
802 B
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow strict-local
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*/
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// Make sure global Event is defined
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import EventPolyfill from './EventPolyfill';
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type CustomEvent$Options = $ReadOnly<{|
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bubbles?: boolean,
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cancelable?: boolean,
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composed?: boolean,
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detail?: {...},
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|}>;
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class CustomEvent extends EventPolyfill {
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detail: ?{...};
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constructor(typeArg: string, options: CustomEvent$Options) {
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const {bubbles, cancelable, composed} = options;
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super(typeArg, {bubbles, cancelable, composed});
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this.detail = options.detail; // this would correspond to `NativeEvent` in SyntheticEvent
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}
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}
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export default CustomEvent;
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