gistfile1.txt

var fs = require('fs');
var parser = require('fast-xml-parser');

const file1 = process.argv[2]
const file2 = process.argv[3]

console.log("Comparing " + file1 + " to " + file2)

const xmlData1 = fs.readFileSync(file1, { encoding: 'utf-8' })
const xmlData2 = fs.readFileSync(file2, { encoding: 'utf-8' })

const json1 = parser.parse(xmlData1);
const json2 = parser.parse(xmlData2);

let map1 = {};
let map2 = {};

json1.crx.response.data.packages.package.forEach(function (package) {
  map1[package.name] = package
});
json2.crx.response.data.packages.package.forEach(function (package) {
  map2[package.name] = package
});

console.log("Iterating map1");
Object.keys(map1).forEach(function (item) {
  if (Object.keys(map2).indexOf(item) == -1) {
    console.log("2 doesn't have " + map1[item].name + "-" + map1[item].version);
  } else if (map1[item].version != map2[item].version) {
    console.log("both have but diff vers: " + map1[item].name + "-" + map1[item].version + " ___ " + map2[item].name + "-" + map2[item].version);
  }
});

console.log("Iterating map2");
Object.keys(map2).forEach(function (item) {
  if (Object.keys(map1).indexOf(item) == -1) {
    console.log("1 doesn't have " + map2[item].name + "-" + map2[item].version);
  } else if (map1[item].version != map2[item].version) {
    console.log("both have but diff vers: " + map1[item].name + "-" + map1[item].version + " ___ " + map2[item].name + "-" + map2[item].version);
  }
});