mirror of
https://github.com/facebook/react.git
synced 2026-02-24 20:53:03 +00:00
44 lines
1.2 KiB
JavaScript
44 lines
1.2 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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declare const __REACT_DEVTOOLS_GLOBAL_HOOK__: Object | void;
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export function injectInternals(internals: Object): boolean {
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if (typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ === 'undefined') {
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// No DevTools
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return false;
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}
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const hook = __REACT_DEVTOOLS_GLOBAL_HOOK__;
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if (hook.isDisabled) {
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// This isn't a real property on the hook, but it can be set to opt out
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// of DevTools integration and associated warnings and logs.
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// https://github.com/facebook/react/issues/3877
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return true;
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}
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if (!hook.supportsFlight) {
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// DevTools exists, even though it doesn't support Flight.
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return true;
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}
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try {
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hook.inject(internals);
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} catch (err) {
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// Catch all errors because it is unsafe to throw during initialization.
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if (__DEV__) {
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console.error('React instrumentation encountered an error: %o.', err);
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}
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}
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if (hook.checkDCE) {
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// This is the real DevTools.
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return true;
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} else {
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// This is likely a hook installed by Fast Refresh runtime.
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return false;
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}
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}
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