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@std/collections@0.215.0

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It is unknown whether this package works with Browsers
It is unknown whether this package works with Deno
It is unknown whether this package works with Node.js
It is unknown whether this package works with Cloudflare Workers
It is unknown whether this package works with Bun
•JSR Score70%•
Downloads1/wk
•
Published2 years ago (0.215.0)
function filterKeys
filterKeys<T>(
record: Readonly<Record<string, T>>,
predicate: (key: string) => boolean
): Record<string, T>

Returns a new record with all entries of the given record except the ones that have a key that does not match the given predicate.

Examples

Example 1

import { filterKeys } from "@std/collections/filter_keys";
import { assertEquals } from "@std/assert/assert_equals";

const menu = {
  "Salad": 11,
  "Soup": 8,
  "Pasta": 13,
};
const menuWithoutSalad = filterKeys(menu, (it) => it !== "Salad");

assertEquals(
  menuWithoutSalad,
  {
    "Soup": 8,
    "Pasta": 13,
  },
);

Type Parameters

T

Parameters

record: Readonly<Record<string, T>>
predicate: (key: string) => boolean

Return Type

Record<string, T>

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Add Package

deno add jsr:@std/collections

Import symbol

import { filterKeys } from "@std/collections";
or

Import directly with a jsr specifier

import { filterKeys } from "jsr:@std/collections";