import { daysFormatFrontend } from './date' test('daysFormatFrontend', () => { expect(daysFormatFrontend([])).toEqual('') expect(daysFormatFrontend(['2020-01-01'])).toEqual('01.01.2020') expect(daysFormatFrontend(['2020-01-01', '2020-01-02'])).toEqual( '01.01.2020-02.01.2020' ) expect( daysFormatFrontend(['2020-01-01', '2020-01-02', '2020-01-05']) ).toEqual('01.01.2020-05.01.2020') })