deno.land / std@0.166.0 / collections / filter_values.ts

filter_values.ts
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// Copyright 2018-2022 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/testing/asserts.ts"; * * type Person = { age: number }; * * const people: Record<string, Person> = { * 'Arnold': { age: 37 }, * 'Sarah': { age: 7 }, * 'Kim': { age: 23 }, * }; * const adults = filterValues(people, it => it.age >= 18) * * assertEquals(adults, { * 'Arnold': { age: 37 }, * 'Kim': { age: 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;}
std
Deno standard library
GitHub Repositorydenoland/deno_std
GitHub Stars
2458

Version Info

Tagged at
2 months ago