Find installed version of package dependencies

dep.js

// $ node dep.js

var fs = require("fs");

function main() {
  var packageJsonFile = "package.json";
  var packageData = JSON.parse(fs.readFileSync(packageJsonFile));

  console.log("devDependencies:");

   Object.keys(packageData.devDependencies).forEach(function (f) {
    var d = JSON.parse(fs.readFileSync("node_modules/"+f+"/package.json"));
    console.log('"' + d.name + '": "' + d.version + '",');
   });

   console.log("dependencies:");

   Object.keys(packageData.dependencies).forEach(function (f) {
     var d = JSON.parse(fs.readFileSync("node_modules/" + f + "/package.json"));
     console.log('"' + d.name + '": "' + d.version + '",');
   });
}

main();