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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | 3x 5x 5x 1x 1x 1x 1x 1x 1x 1x | /**
* pick keys and omit others in the object
*
* @param obj the destination object
* @param keys the keys to pick
* @returns object
*
* {@link https://lodash.com/docs#pick}
*/
export function pick<T extends object, K extends keyof T>(obj: T, keys: K[]): Pick<T, K> {
return keys.reduce((acc, key) => {
acc[key] = obj[key]
return acc
}, {} as Pick<T, K>)
}
Eif (import.meta.vitest) {
const { test, expect } = import.meta.vitest
test('pick', () => {
const obj = {
a: 1,
b: '2',
c: false,
d: null,
}
expect(pick(obj, ['a'])).toEqual({
a: 1,
})
expect(pick(obj, ['b', 'd'])).toEqual({
b: '2',
d: null,
})
expect(pick(obj, ['d', 'a'])).toEqual({
a: 1,
d: null,
})
})
}
|