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Co-authored-by: Mikael Finstad <finstaden@gmail.com> Co-authored-by: Nick Rutten <2504906+nickrttn@users.noreply.github.com> Co-authored-by: Murderlon <merlijn@soverin.net> Co-authored-by: Artur Paikin <artur@arturpaikin.com>
16 lines
622 B
JavaScript
16 lines
622 B
JavaScript
import { describe, expect, it } from 'vitest'
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import findIndex from './findIndex.js'
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describe('findIndex', () => {
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it('should return index of an object in an array, that matches a predicate', () => {
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const arr = [{ name: 'foo' }, { name: 'bar' }, { name: '123' }]
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const index = findIndex(arr, (item) => item.name === 'bar')
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expect(index).toEqual(1)
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})
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it('should return -1 when no object in an array matches a predicate', () => {
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const arr = [{ name: 'foo' }, { name: 'bar' }, { name: '123' }]
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const index = findIndex(arr, (item) => item.name === 'hello')
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expect(index).toEqual(-1)
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})
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})
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