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8fd3e9fb3c
Errors thrown in RxJs are not instanceof Error and therefore the check will always fail. Closes #23631
18 lines
596 B
TypeScript
18 lines
596 B
TypeScript
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import assert from 'assert';
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export function assertIsError(value: unknown): asserts value is Error & { code?: string } {
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const isError =
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value instanceof Error ||
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// The following is needing to identify errors coming from RxJs.
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(typeof value === 'object' && value && 'name' in value && 'message' in value);
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assert(isError, 'catch clause variable is not an Error instance');
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}
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