filter files in cwd to js files

filterFilesinCWD.js

var util = require('util');
var path = require('path');
var fs = require('fs');

var allFiles = fs.readdirSync(process.cwd())
var jsFiles = [];

for (var i = 0; i < allFiles.length ; i++) {
  var selectedFile = allFiles[i];
  if (selectedFile.substr(selectedFile.length - 3) === '.js') {
    jsFiles.push(selectedFile);
  }
}

console.log(jsFiles)