BetterMap | /mod.ts | bettermap@v1.3.0

An extension of the Map class with more Array-like features.

Latest

method BetterMap.prototype.reduce

import { BetterMap } from "https://deno.land/x/bettermap@v1.3.0/mod.ts";

reduce<T>(fn: (acc: T, val: [K, V]) => T, first: T): T

Reduce data in the map.

const map = new BetterMap<string, number>("People");
map.set("Doraemon", 10);
map.set("Dora", 28);
console.log(map.reduce((acc, val) => acc + (val[1] > 10 ? "a" : "b") + val[0], ""));
// bDoraemonaDora

Type Parameters

Parameters

fn: (acc: T, val: [K, V]) => T

Reducer function.

first: T

Returns

Reduced data.