std/collections/mod.ts

Deno standard library
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function filterKeys
import { filterKeys } from "https://deno.land/std@0.147.0/collections/mod.ts?s=filterKeys";

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

Example:

import { filterKeys } from "https://deno.land/std@0.147.0/collections/filter_keys.ts";
import { assertEquals } from "https://deno.land/std@0.147.0/testing/asserts.ts";

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

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

Parameters

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

Returns

Record<string, T>[src]