Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | 1x 1118x | /**
* Check if a value is not undefined or null. A non-nullable return is typed as such.
*
* @example
*
* ```ts
* import { isNotNullable } from 'emitnlog/utils';
*
* const arr: (string | undefined | null)[] = ['a', null, 'b', undefined, 'c'];
* const result: string[] = arr.filter(isNotNullable);
* ```
*
* @param value - The value to check.
* @returns `true` if the value is not undefined or null, `false` otherwise.
*/
export const isNotNullable = <T>(value: T | undefined | null): value is NonNullable<T> =>
value !== undefined && value !== null;
|