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26 lines
646 B
TypeScript
26 lines
646 B
TypeScript
import { pick } from '../../src/utils/basic'
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describe('pick', () => {
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it('should pick keys from object', () => {
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const obj = { a: 1, b: 2, c: 3 }
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const result = pick(obj, 'a', 'c')
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expect(result).toEqual({ a: 1, c: 3 })
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})
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it('should pick keys from the array argument', () => {
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const obj = { a: 1, b: 2, c: 3 }
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const result = pick(obj, ['a', 'c'])
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expect(result).toEqual({ a: 1, c: 3 })
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})
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it('an empty object should be returned if null or undefined is passed', () => {
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const result1 = pick(null)
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const result2 = pick(void 0)
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expect(result1).toEqual({})
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expect(result2).toEqual({})
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})
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})
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