reject

function Map.reject<K, V>(
    target: ReadonlyMap<K, V>,
    by: (
        value: NoInfer<V>,
        key: NoInfer<K>,
        target: ReadonlyMap<K, V>,
    ) => boolean,
): ReadonlyMap<K, V>

Returns a new map excluding entries that satisfy the predicate function.

Example

data-first

import { Map } from "@monstermann/map";

Map.reject(
    new Map([
        ["a", 1],
        ["b", 2],
        ["c", 3],
    ]),
    (value) => value > 1,
); // Map(1) { "a" => 1 }

data-last

import { Map } from "@monstermann/map";

pipe(
    new Map([
        ["a", 1],
        ["b", 2],
        ["c", 3],
    ]),
    Map.reject((value) => value > 1),
); // Map(1) { "a" => 1 }