import cn from './classnames' describe('classnames', () => { test('classnames libs feature', () => { expect(cn('foo')).toBe('foo') expect(cn('foo', 'bar')).toBe('foo bar') expect(cn(['foo', 'bar'])).toBe('foo bar') expect(cn(undefined)).toBe('') expect(cn(null)).toBe('') expect(cn(false)).toBe('') expect(cn({ foo: true, bar: false, baz: true, })).toBe('foo baz') }) test('tailwind-merge', () => { expect(cn('p-0')).toBe('p-0') expect(cn('text-right text-center text-left')).toBe('text-left') expect(cn('pl-4 p-8')).toBe('p-8') expect(cn('m-[2px] m-[4px]')).toBe('m-[4px]') expect(cn('m-1 m-[4px]')).toBe('m-[4px]') expect(cn('overflow-x-auto hover:overflow-x-hidden overflow-x-scroll')).toBe( 'hover:overflow-x-hidden overflow-x-scroll', ) expect(cn('h-10 h-min')).toBe('h-min') expect(cn('bg-grey-5 bg-hotpink')).toBe('bg-hotpink') expect(cn('hover:block hover:inline')).toBe('hover:inline') expect(cn('font-medium !font-bold')).toBe('font-medium !font-bold') expect(cn('!font-medium !font-bold')).toBe('!font-bold') expect(cn('text-gray-100 text-primary-200')).toBe('text-primary-200') expect(cn('text-some-unknown-color text-components-input-bg-disabled text-primary-200')).toBe('text-primary-200') expect(cn('bg-some-unknown-color bg-components-input-bg-disabled bg-primary-200')).toBe('bg-primary-200') expect(cn('border-t border-white/10')).toBe('border-t border-white/10') expect(cn('border-t border-white')).toBe('border-t border-white') expect(cn('text-3.5xl text-black')).toBe('text-3.5xl text-black') }) test('classnames combined with tailwind-merge', () => { expect(cn('text-right', { 'text-center': true, })).toBe('text-center') expect(cn('text-right', { 'text-center': false, })).toBe('text-right') }) })