Readonly wrapper for Javascript Map class

npm install readonly-map

const ReadonlyMap = require('readonly-map')

const map = new Map([['key1', 'value1'], ['key2', 'value2']])
const readonlyMap = ReadonlyMap(map)

console.log(readonlyMap.get('key1')) // 'value1'
readonlyMap.set('key3', 'value3') // throws TypeError

Creates a new readonly Map object with the given Map object as the target.

Returns the value associated with the given key, or undefined if the key does not exist in the map.

Returns true if the map contains the given key, otherwise false.

Returns an iterator over the keys in the map.

Returns an iterator over the values in the map.

Returns an iterator over the key-value pairs in the map.

This project is licensed under the MIT License - see the LICENSE file for details.