@justthedev123/builderutils/index.js

Basic utilities for developers

const net = require('net');
const readline = require('readline');

// 1. isWeekend
function isWeekend(date = new Date()) {
  const day = date.getDay();
  return day === 0 || day === 6;
}

// 2. randomEmoji
function randomEmoji() {
  const emojis = ['😀', '🚀', '🔥', '🍕', '🎉', '🐱', '🐸', '💻', '🎮'];
  return emojis[Math.floor(Math.random() * emojis.length)];
}

// 3. durationHumanizer
function durationHumanizer(ms) {
  const s = Math.floor(ms / 1000);
  const m = Math.floor(s / 60);
  const h = Math.floor(m / 60);
  return `${h}h ${m % 60}m ${s % 60}s`;
}

// 4. formatTimeMs
function formatTimeMs(ms) {
  const s = Math.floor(ms / 1000);
  const mins = Math.floor(s / 60);
  const hrs = Math.floor(mins / 60);
  const pad = n => String(n).padStart(2, '0');
  return `${pad(hrs)}:${pad(mins % 60)}:${pad(s % 60)}`;
}

// 5. portChecker
function portChecker(port, host = '127.0.0.1') {
  return new Promise((resolve) => {
    const server = net.createServer()
      .once('error', () => resolve(false))
      .once('listening', () => {
        server.close(() => resolve(true));
      })
      .listen(port, host);
  });
}

// 6. yesNoPrompt
function yesNoPrompt(question = 'Continue? (y/n)') {
    return new Promise((resolve) => {
      const rl = readline.createInterface({
        input: process.stdin,
        output: process.stdout,
      });
  
      rl.question(`${question} `, (answer) => {
        rl.close();
        const normalized = answer.trim().toLowerCase();
        resolve(normalized === 'y' || normalized === 'yes');
      });
    });
  }  

// 7. simpleProgress
function simpleProgress(current, total, width = 20) {
  const percent = current / total;
  const filled = Math.round(percent * width);
  const bar = '█'.repeat(filled) + '-'.repeat(width - filled);
  process.stdout.write(`\r[${bar}] ${Math.round(percent * 100)}%`);
  if (current === total) console.log('');
}

// 8. fakeUser (uitgebreid)
function fakeUser() {
  const names = ['Sophie', 'Lucas', 'Emma', 'Milan', 'Noah', 'Tess'];
  const surnames = ['Jansen', 'de Vries', 'Bakker', 'Visser', 'Smit', 'Meijer'];
  const domains = ['example.com', 'mail.com', 'test.nl'];
  const streets = ['Dorpsstraat', 'Kerklaan', 'Schoolstraat', 'Hoofdweg', 'Molenstraat'];
  const cities = ['Amsterdam', 'Rotterdam', 'Utrecht', 'Eindhoven', 'Groningen'];

  const name = names[Math.floor(Math.random() * names.length)];
  const surname = surnames[Math.floor(Math.random() * surnames.length)];
  const email = `${name.toLowerCase()}.${surname.toLowerCase()}@${domains[Math.floor(Math.random() * domains.length)]}`;
  const username = `${name}${Math.floor(Math.random() * 1000)}`;
  const password = Math.random().toString(36).slice(-10);
  const phone = `06-${Math.floor(10000000 + Math.random() * 90000000)}`;
  const address = `${streets[Math.floor(Math.random() * streets.length)]} ${Math.floor(1 + Math.random() * 200)}, ${cities[Math.floor(Math.random() * cities.length)]}`;

  return {
    name: `${name} ${surname}`,
    email,
    username,
    password,
    phone,
    address,
  };
}

// Export alles
module.exports = {
  isWeekend,
  randomEmoji,
  durationHumanizer,
  formatTimeMs,
  portChecker,
  yesNoPrompt,
  simpleProgress,
  fakeUser,
};