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packages/react/src/ReactTransitionType.js
50 строк
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Sebastian Markbåge
Solidify addTransitionType Semantics (#32797)
01 апр 2025, 19:11
Не верифицирован
01 апр 2025, 19:11
731ae3e
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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 */ import ReactSharedInternals from 'shared/ReactSharedInternals'; import { enableViewTransition, enableGestureTransition, } from 'shared/ReactFeatureFlags'; import {startTransition} from './ReactStartTransition'; export type TransitionTypes = Array<string>; export function addTransitionType(type: string): void { if (enableViewTransition) { const transition = ReactSharedInternals.T; if (transition !== null) { const transitionTypes = transition.types; if (transitionTypes === null) { transition.types = [type]; } else if (transitionTypes.indexOf(type) === -1) { transitionTypes.push(type); } } else { // We're in the async gap. Simulate an implicit startTransition around it. if (__DEV__) { if (ReactSharedInternals.asyncTransitions === 0) { if (enableGestureTransition) { console.error( 'addTransitionType can only be called inside a `startTransition()` ' + 'or `startGestureTransition()` callback. ' + 'It must be associated with a specific Transition.', ); } else { console.error( 'addTransitionType can only be called inside a `startTransition()` ' + 'callback. It must be associated with a specific Transition.', ); } } } startTransition(addTransitionType.bind(null, type)); } } }