diff-map
Find the Diff of 2 maps based on keys alone
Install
npm install diff-map --save
Usage
var diffMap = require('diff-map');
var map1 = { 1 : {}, 3 : {} };
var map2 = { 1 : {}, 2 : {} };
diffMap(map1, map2)
Result:
{ 3 : {} }
If you:
diffMap(map2, map1)
Result:
{ 2 : {} }