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Module

std/collections/filter_values.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.
/** * Returns a new record with all entries of the given record except the ones * that have a value that does not match the given predicate. * * @example * ```ts * import { filterValues } from "https://deno.land/std@$STD_VERSION/collections/filter_values.ts"; * import { assertEquals } from "https://deno.land/std@$STD_VERSION/assert/assert_equals.ts"; * * const people = { * "Arnold": 37, * "Sarah": 7, * "Kim": 23, * }; * const adults = filterValues(people, (it) => it >= 18); * * assertEquals( * adults, * { * "Arnold": 37, * "Kim": 23, * }, * ); * ``` */export function filterValues<T>( record: Readonly<Record<string, T>>, predicate: (value: T) => boolean,): Record<string, T> { const ret: Record<string, T> = {}; const entries = Object.entries(record);
for (const [key, value] of entries) { if (predicate(value)) { ret[key] = value; } }
return ret;}