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flipper/desktop/flipper-ui-core/src/utils/assertNotNull.tsx
Andres Suarez 79023ee190 Update copyright headers from Facebook to Meta
Reviewed By: bhamodi

Differential Revision: D33331422

fbshipit-source-id: 016e8dcc0c0c7f1fc353a348b54fda0d5e2ddc01
2021-12-27 14:31:45 -08:00

18 lines
459 B
TypeScript

/**
* 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
*/
export function assertNotNull<T extends any>(
value: T,
message: string = 'Unexpected null/undefined value found',
): asserts value is Exclude<T, undefined | null> {
if (value === null || value === undefined) {
throw new Error(message);
}
}