deno.land / x / rambda@v9.1.1 / source / filter-spec.ts

filter-spec.ts
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import {filter} from 'rambda'
const list = [1, 2, 3]const obj = {a: 1, b: 2}
describe('R.filter with array', () => { it('happy', () => { const result = filter<number>(x => { x // $ExpectType number return x > 1 }, list) result // $ExpectType number[] }) it('curried', () => { const result = filter<number>(x => { x // $ExpectType number return x > 1 })(list) result // $ExpectType number[] })})
describe('R.filter with objects', () => { it('happy', () => { const result = filter<number>((val, prop, origin) => { val // $ExpectType number prop // $ExpectType string origin // $ExpectType Dictionary<number>
return val > 1 }, obj) result // $ExpectType Dictionary<number> }) it('curried version requires second dummy type', () => { const result = filter<number, any>((val, prop, origin) => { val // $ExpectType number prop // $ExpectType string origin // $ExpectType Dictionary<number>
return val > 1 })(obj) result // $ExpectType Dictionary<number> })})
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Tagged at
2 months ago