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std/collections/omit.ts

The Deno Standard Library
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
/** * Creates a new object by excluding the specified keys from the provided object. * * @example * ```ts * import { omit } from "https://deno.land/std@$STD_VERSION/collections/omit.ts"; * import { assertEquals } from "https://deno.land/std@$STD_VERSION/assert/assert_equals.ts"; * * const obj = { a: 5, b: 6, c: 7, d: 8 }; * const omitted = omit(obj, ["a", "c"]); * * assertEquals(omitted, { b: 6, d: 8 }); * ``` */export function omit<T extends object, K extends keyof T>( obj: Readonly<T>, keys: readonly K[],): Omit<T, K> { const excludes = new Set(keys); const has = excludes.has.bind(excludes); return Object.fromEntries( Object.entries(obj).filter(([k, _]) => !has(k as K)), ) as Omit<T, K>;}