zura-stack-native/src/utils/requirements.js

A comprehensive React Native CLI project generator with production-ready setup

const { execSync } = require('child_process');
const chalk = require('chalk');
const which = require('which');
const semver = require('semver');

async function checkRequirements(infoOnly = false) {
  const requirements = [
    { name: 'Node.js', minVersion: '16.0.0', command: 'node --version' },
    { name: 'npm', minVersion: '8.0.0', command: 'npm --version' },
    { name: 'React Native CLI', minVersion: '19.0.0', command: 'npx @react-native-community/cli --version' }
  ];

  const results = [];
  let allPassed = true;

  for (const req of requirements) {
    try {
      const version = execSync(req.command, { encoding: 'utf8' }).trim();
      const cleanVersion = version.replace(/^v/, '');
      const isValid = semver.gte(cleanVersion, req.minVersion);
      
      results.push({
        name: req.name,
        version: cleanVersion,
        required: req.minVersion,
        valid: isValid
      });

      if (!isValid) {
        allPassed = false;
      }
    } catch (error) {
      results.push({
        name: req.name,
        version: 'Not installed',
        required: req.minVersion,
        valid: false
      });
      allPassed = false;
    }
  }

  // Display results
  console.log(chalk.blue('\n📋 System Requirements Check:\n'));
  
  results.forEach(result => {
    const status = result.valid ? chalk.green('✅') : chalk.red('❌');
    const versionText = result.valid 
      ? chalk.green(result.version)
      : chalk.red(result.version);
    
    console.log(`${status} ${result.name}: ${versionText} (required: ${result.required})`);
  });

  if (!infoOnly && !allPassed) {
    console.log(chalk.red('\n❌ Some requirements are not met. Please install/update the missing dependencies.'));
    console.log(chalk.yellow('\n💡 Installation commands:'));
    console.log(chalk.gray('• Node.js: https://nodejs.org/'));
    console.log(chalk.gray('• npm: comes with Node.js'));
    console.log(chalk.gray('• React Native CLI: npm install -g @react-native-community/cli@19.0.0'));
    throw new Error('System requirements not met');
  }

  if (infoOnly) {
    console.log(chalk.green('\n✅ All requirements are met!'));
  }

  return { allPassed, results };
}

module.exports = { checkRequirements };