Function isNullOrUndefined

isNullOrUndefined(value): value is undefined | null

Check if a value is null or undefined.

Parameters

value: unknown
The value to check

Returns value is undefined | null

Example

import { isNullOrUndefined } from '@aws-lambda-powertools/commons/typeUtils';

const value = null;
if (isNullOrUndefined(value)) {
  // value is null or undefined
}