| 1 | import { isPlainObject } from '@reduxjs/toolkit'
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| 2 | import vm from 'vm'
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| 3 |
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| 4 | describe('isPlainObject', () => {
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| 5 | it('returns true only if plain object', () => {
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| 6 | class Test {
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| 7 | prop: number
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| 8 | constructor() {
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| 9 | this.prop = 1
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| 10 | }
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| 11 | }
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| 12 |
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| 13 | const sandbox = { fromAnotherRealm: false }
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| 14 | vm.runInNewContext('fromAnotherRealm = {}', sandbox)
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| 15 |
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| 16 | expect(isPlainObject(sandbox.fromAnotherRealm)).toBe(true)
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| 17 | expect(isPlainObject(new Test())).toBe(false)
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| 18 | expect(isPlainObject(new Date())).toBe(false)
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| 19 | expect(isPlainObject([1, 2, 3])).toBe(false)
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| 20 | expect(isPlainObject(null)).toBe(false)
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| 21 | expect(isPlainObject(undefined)).toBe(false)
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| 22 | expect(isPlainObject({ x: 1, y: 2 })).toBe(true)
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| 23 | })
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| 24 | })
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