create-nest-app/index.js

Create Nest App Starter

#!/usr/bin/env node

const vorpal = require('vorpal')();
const { spawn, exec } = require('child_process');
const commandExists = require('command-exists');
const async = require("async");

const repo = 'https://github.com/Vivify-Ideas/nestjs-boilerplate.git';

async function checkCommandsExistence(commands) {
  return new Promise((resolve, error) => {
    commands.forEach((command, index) => {
      commandExists(command, function(err, commandExists) {
        if (!commandExists) {
          error(new Error(`Not found command ${command}...`));
        }

        if (commandExists && index === commands.length - 1) {
          resolve();
        }
      });
    })
  });
}

vorpal
  .command('create <name>', 'Create Nest App')
  .action(async (arguments) => {
      const projectPath = `${__dirname}/${arguments.name}`;

      vorpal.log(`Creating Nest application <${arguments.name}>...`);

      await checkCommandsExistence([ 'git', 'npm', 'rm' ]);

      await new Promise((resolve, error) => {
        return async.series([
          async.apply(exec, `git clone ${repo} ${arguments.name}`),
          async.apply(exec, `rm -rf ${projectPath}/.git`),
          async.apply(exec, `cp ${projectPath}/.env.example ${projectPath}/.env`),
          async.apply(spawn, 'npm', ['install'], { cwd: projectPath }),
        ], (err, results) => {
          resolve(results);
        });
      });

      vorpal.ui.cancel();
  });

vorpal
  .show()
  .parse(process.argv);