import { isDefined } from '~/utils/isDefined'; describe('isDefined', () => { it('returns true if value is not undefined nor null', () => { expect(isDefined('')).toBe(true); }); it('returns false if value is null', () => { expect(isDefined(null)).toBe(false); }); it('returns false if value is undefined', () => { expect(isDefined(undefined)).toBe(false); }); });