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x/rambda/source/isEmpty.spec.js

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selfrefactor/rambda
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import {isEmpty} from './isEmpty'
test('happy', () => {  expect(isEmpty(undefined)).toEqual(false)  expect(isEmpty('')).toEqual(true)  expect(isEmpty(null)).toEqual(false)  expect(isEmpty(' ')).toEqual(false)  expect(isEmpty(new RegExp(''))).toEqual(false)  expect(isEmpty([])).toEqual(true)  expect(isEmpty([[]])).toEqual(false)  expect(isEmpty({})).toEqual(true)  expect(isEmpty({x: 0})).toEqual(false)  expect(isEmpty(0)).toEqual(false)  expect(isEmpty(NaN)).toEqual(false)  expect(isEmpty([''])).toEqual(false)})