twoWayMap

Object get value by key, or get key by value.

Install

$ npm install two-way-map

How to use

var mapper = {
    "regist": 1,
    "login": 2,
    "update": 3
};
var twoMap = require('two-way-map');
 
twoMap(mapper, "regist")   // 1
twoMap(mapper, 1)        // regist

Notice:

• When try to get key by value, use == test
• Get key by value the result is an string, so you should only use string as mapper's key