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32 lines
866 B
32 lines
866 B
2 years ago
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import { expect } from 'chai'
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import { isKeyof } from '../../../lib'
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describe('util -> support -> types -> isKeyof', () => {
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it('should return false for invalid key types', () => {
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expect(isKeyof(true, {})).to.be.false
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expect(isKeyof(1.5, {})).to.be.false
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})
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it('should return true if the key is in the object', () => {
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const sym = Symbol('test')
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const obj = {
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foo: true,
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[sym]: 123,
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}
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expect(isKeyof('foo', obj)).to.be.true
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expect(isKeyof(sym, obj)).to.be.true
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})
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it('should return false if the key is not in the object', () => {
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const sym = Symbol('test')
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const obj = {
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foo: true,
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[Symbol('test2')]: 123,
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}
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expect(isKeyof('bar', obj)).to.be.false
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expect(isKeyof(sym, obj)).to.be.false
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})
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})
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