A good one structure differ
#Installation
$ npm install -g broose_gendiff
#Usage
$ gendiff -h for help
$ gendiff before.json after.json to see the difference
##As library
$ npm install -s broose_gendiff
###ES6
import gendiff from 'gendiff'
gendiff(path1, path2)
###ES5
const gendiff = require('gendiff').default;
gendiff(path1, path2);