bench.js

import bcrypt from "bcrypt";
import bcryptjs from "../index.js";

const pass = "ä☺𠜎️☁";
const testRounds = [8, 9, 10, 11, 12, 13, 14, 15];

function testSync(name, salt, impl) {
  var res;
  console.time(name);
  res = impl.hashSync(pass, salt);
  console.timeEnd(name);
  console.log("`" + res + "`  ");
}

function testAsync(name, salt, impl, cb) {
  console.time(name);
  impl.hash(pass, salt, function (err, res) {
    console.timeEnd(name);
    console.log("`" + res + "`  ");
    if (cb) cb();
  });
}

function testMax(name, impl) {
  var s = "",
    salt = bcryptjs.genSaltSync(4),
    last = null;
  while (s.length < 100) {
    s += "0";
    var hash = impl.hashSync(s, salt);
    if (hash === last) {
      console.log(name + " maximum input length is: " + (s.length - 1));
      break;
    }
    last = hash;
  }
}

testMax("bcrypt.js", bcryptjs);

console.log("## Comparing bcryptjs with bcrypt\n");

function next() {
  if (testRounds.length === 0) return;
  (function (rounds) {
    var salt = bcryptjs.genSaltSync(rounds);
    console.log("#### Using " + rounds + " rounds");
    console.log("Salt: `" + salt + "`  ");
    testSync("* **bcrypt** sync", salt, bcrypt);
    testSync("* **bcrypt.js** sync", salt, bcryptjs);
    testAsync("* **bcrypt** async", salt, bcrypt, function () {
      testAsync("* **bcrypt.js** async", salt, bcryptjs, function () {
        console.log("");
        next();
      });
    });
  })(testRounds.shift());
}
next();