node_obfuscator.js

var JSObfuscator = require('javascript-obfuscator');
var script_string = `
    var a = 1
    var b = 2
    function plus(a,b) {
      return a+b;
    }
    console.log(plus(a,b))
`
// Obfuscated Script
var script_obfuscated = JSObfuscator.obfuscate(script_string)
console.log(script_obfuscated.getObfuscatedCode());