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std/collections/pick.ts

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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
/** * Creates a new object by including the specified keys from the provided object. * * @example * ```ts * import { pick } from "https://deno.land/std@$STD_VERSION/collections/pick.ts"; * import { assertEquals } from "https://deno.land/std@$STD_VERSION/assert/assert_equals.ts"; * * const obj = { a: 5, b: 6, c: 7, d: 8 }; * const picked = pick(obj, ["a", "c"]); * * assertEquals(picked, { a: 5, c: 7 }); * ``` */export function pick<T extends object, K extends keyof T>( obj: Readonly<T>, keys: readonly K[],): Pick<T, K> { return Object.fromEntries(keys.map((k) => [k, obj[k]])) as Pick<T, K>;}