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react-native

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A framework for building native apps using React

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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. * * @format * @flow strict-local */ import type {ExtendedError} from './ExtendedError'; import {SyntheticError, handleException} from './ExceptionsManager'; export type CapturedError = { +componentStack: string, +error: mixed, +errorBoundary: ?{...}, ... }; const ReactFiberErrorDialog = { /** * Intercept lifecycle errors and ensure they are shown with the correct stack * trace within the native redbox component. */ showErrorDialog({componentStack, error: errorValue}: CapturedError): boolean { let error: ?ExtendedError; // Typically, `errorValue` should be an error. However, other values such as // strings (or even null) are sometimes thrown. if (errorValue instanceof Error) { /* $FlowFixMe[class-object-subtyping] added when improving typing for * this parameters */ // $FlowFixMe[incompatible-cast] error = (errorValue: ExtendedError); } else if (typeof errorValue === 'string') { /* $FlowFixMe[class-object-subtyping] added when improving typing for * this parameters */ // $FlowFixMe[incompatible-cast] error = (new SyntheticError(errorValue): ExtendedError); } else { /* $FlowFixMe[class-object-subtyping] added when improving typing for * this parameters */ // $FlowFixMe[incompatible-cast] error = (new SyntheticError('Unspecified error'): ExtendedError); } try { error.componentStack = componentStack; error.isComponentError = true; } catch { // Ignored. } handleException(error, false); // Return false here to prevent ReactFiberErrorLogger default behavior of // logging error details to console.error. Calls to console.error are // automatically routed to the native redbox controller, which we've already // done above by calling ExceptionsManager. return false; }, }; export default ReactFiberErrorDialog;