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Sebastian MarkbågeandGitHub
d50323eb84
This is similar to #28771 but for isomorphic. We need a make over for these dispatchers anyway so this is the first step. Also helps flush out some internals usage that will break anyway. It flattens the inner mutable objects onto the ReactSharedInternals.
62 lines
1.9 KiB
JavaScript
62 lines
1.9 KiB
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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* @flow
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*/
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import type {Fiber} from './ReactFiber';
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import ReactSharedInternals from 'shared/ReactSharedInternals';
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import {warnsIfNotActing} from './ReactFiberConfig';
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export function isLegacyActEnvironment(fiber: Fiber): boolean {
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if (__DEV__) {
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// Legacy mode. We preserve the behavior of React 17's act. It assumes an
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// act environment whenever `jest` is defined, but you can still turn off
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// spurious warnings by setting IS_REACT_ACT_ENVIRONMENT explicitly
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// to false.
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const isReactActEnvironmentGlobal =
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// $FlowFixMe[cannot-resolve-name] Flow doesn't know about IS_REACT_ACT_ENVIRONMENT global
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typeof IS_REACT_ACT_ENVIRONMENT !== 'undefined'
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? // $FlowFixMe[cannot-resolve-name]
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IS_REACT_ACT_ENVIRONMENT
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: undefined;
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// $FlowFixMe[cannot-resolve-name] - Flow doesn't know about jest
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const jestIsDefined = typeof jest !== 'undefined';
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return (
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warnsIfNotActing && jestIsDefined && isReactActEnvironmentGlobal !== false
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);
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}
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return false;
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}
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export function isConcurrentActEnvironment(): void | boolean {
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if (__DEV__) {
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const isReactActEnvironmentGlobal =
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// $FlowFixMe[cannot-resolve-name] Flow doesn't know about IS_REACT_ACT_ENVIRONMENT global
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typeof IS_REACT_ACT_ENVIRONMENT !== 'undefined'
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? // $FlowFixMe[cannot-resolve-name]
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IS_REACT_ACT_ENVIRONMENT
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: undefined;
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if (
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!isReactActEnvironmentGlobal &&
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ReactSharedInternals.actQueue !== null
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) {
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// TODO: Include link to relevant documentation page.
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console.error(
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'The current testing environment is not configured to support ' +
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'act(...)',
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);
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}
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return isReactActEnvironmentGlobal;
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}
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return false;
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}
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