types.isMapIterator - util - Node

types.isMapIterator - util - Node documentation

function types.isMapIterator

Usage in Deno

import { types } from "node:util";



isMapIterator(object: unknown): boolean

Returns true if the value is an iterator returned for a built-in Map instance.

const map = new Map();
util.types.isMapIterator(map.keys());  // Returns true
util.types.isMapIterator(map.values());  // Returns true
util.types.isMapIterator(map.entries());  // Returns true
util.types.isMapIterator(map[Symbol.iterator]());  // Returns true

Parameters



object: unknown

Return Type

boolean