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packages/react-native/Libraries/NativeComponent/ViewConfigIgnore.js
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Panos Vekris
manual annotations in preparation of natural inference rollout in xplat/js (#51487)
21 май 2025, 17:07
21 май 2025, 17:07
5250b59
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/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * @flow strict * @format */ import Platform from '../Utilities/Platform'; const ignoredViewConfigProps = new WeakSet<{...}>(); /** * Decorates ViewConfig values that are dynamically injected by the library, * react-native-gesture-handler. (T45765076) */ export function DynamicallyInjectedByGestureHandler<T: {...}>(object: T): T { ignoredViewConfigProps.add(object); return object; } /** * On iOS, ViewManager event declarations generate {eventName}: true entries * in ViewConfig valueAttributes. These entries aren't generated for Android. * This annotation allows Static ViewConfigs to insert these entries into * iOS but not Android. * * In the future, we want to remove this platform-inconsistency. We want * to set RN$ViewConfigEventValidAttributesDisabled = true server-side, * so that iOS does not generate validAttributes from event props in iOS RCTViewManager, * since Android does not generate validAttributes from events props in Android ViewManager. * * TODO(T110872225): Remove this logic, after achieving platform-consistency */ export function ConditionallyIgnoredEventHandlers< const T: {+[name: string]: true}, >(value: T): T | void { if (Platform.OS === 'ios') { return value; } return undefined; } export function isIgnored(value: mixed): boolean { if (typeof value === 'object' && value != null) { return ignoredViewConfigProps.has(value); } return false; }