index.js

#!/usr/bin/env node

import inquirer from 'inquirer';
import * as fs from 'fs';
import { dirname } from 'path';
import { fileURLToPath } from 'url';
import { execSync } from 'child_process';

// template dir
const __dirname = dirname(fileURLToPath(import.meta.url));
// curr dir
const CURR_DIR = process.cwd();

const CHOICES = fs.readdirSync(`${__dirname}/templates`);
const QUESTIONS = [
  {
    name: 'project-choice',
    type: 'list',
    message: 'What project template would you like to generate?',
    choices: CHOICES,
  },
  {
    name: 'project-name',
    type: 'input',
    message: 'Project name:',
    validate: function (input) {
      if (/^([A-Za-z\-\\_\d])+$/.test(input)) return true;
      else
        return 'Project name may only include letters, numbers, underscores and hashes.';
    },
  },
];

inquirer.prompt(QUESTIONS).then((answers) => {
  const projectChoice = answers['project-choice'];
  const projectName = answers['project-name'];
  const templatePath = `${__dirname}/templates/${projectChoice}`;

  fs.mkdirSync(`${CURR_DIR}/${projectName}`);

  createDirContent(templatePath, projectName);

  console.log('Installing dependencies...');
  const npmInstall = runCommand(`cd ${projectName} && npm i`);
  if (!npmInstall) process.exit(1);

  console.log('Setting up local git...');
  const setupGit = runCommand(
    `cd ${projectName} && git init && git add . && git commit -m 'initial d'`
  );
  if (!setupGit) process.exit(1);

  console.log(`----------------------`);
  console.log(`ALL DONE!! ୧༼ಠ益ಠ༽୨`);
  console.log(`"cd ${projectName}" and "npm run dev" to get started!`);
});

// -r function for copy all content
function createDirContent(templatePath, newProjectPath) {
  const filesToCreate = fs.readdirSync(templatePath);

  filesToCreate.forEach((file) => {
    const origFilePath = `${templatePath}/${file}`;
    const fileType = fs.statSync(origFilePath);

    if (fileType.isFile()) {
      const content = fs.readFileSync(origFilePath, 'utf8');
      // .gitignore issue
      if (file === 'gitignore.temp') file = '.gitignore';

      const writePath = `${CURR_DIR}/${newProjectPath}/${file}`;

      fs.writeFileSync(writePath, content, 'utf8');
      console.log(`Creating ${writePath}`);
    } else if (fileType.isDirectory()) {
      fs.mkdirSync(`${CURR_DIR}/${newProjectPath}/${file}`);

      // recursive call
      createDirContent(`${templatePath}/${file}`, `${newProjectPath}/${file}`);
    }
  });
}

// run command in cli
const runCommand = (command) => {
  try {
    execSync(`${command}`, { stdio: 'inherit' });
  } catch (err) {
    console.error(`Failed to execute ${command}`, err);
    return false;
  }
  return true;
};