cvm-cli/lib/nodeVersionManager.js

A unified CLI tool for managing PHP, Node.js, and Python versions with virtual environment and dependency management support.

const BaseVersionManager = require('./baseVersionManager');
const fetch = require('node-fetch');
const fs = require('fs-extra');
const chalk = require('chalk');

class NodeVersionManager extends BaseVersionManager {
  constructor() {
    super('node');
  }

  async getAvailableVersions() {
    try {
      const response = await fetch('https://nodejs.org/dist/index.json');
      if (!response.ok) {
        throw new Error('Failed to fetch Node.js version list');
      }
      const versions = await response.json();
      return versions.map(v => v.version.replace('v', ''));
    } catch (error) {
      console.error('Error fetching available versions:', error.message);
      return [];
    }
  }

  async install(version) {
    if (await this.isVersionInstalled(version)) {
      console.log(`Node.js ${version} is already installed.`);
      return;
    }

    const platform = this.getPlatform();
    const arch = this.getArch();
    const versionStr = `v${version}`;
    const tarballName =
      platform === 'win32'
        ? `node-${versionStr}-win-${arch}.zip`
        : `node-${versionStr}-${platform}-${arch}.tar.xz`;
    const url = `https://nodejs.org/dist/${versionStr}/${tarballName}`;

    console.log(`Downloading Node.js ${version}...`);
    const downloadDir = `${this.languageDir}/downloads`; // Temp download directory
    const downloadPath = `${downloadDir}/${tarballName}`;
    try {
      await this.downloadFile(url, downloadPath);
      const versionDir = `${this.languageDir}/${version}`;
      
      if (platform === 'win32') {
        throw new Error('Windows support not implemented yet');
      } else {
        await this.extractTarXz(downloadPath, versionDir);
      }

      console.log(`Node.js ${version} installed successfully.`);
    } catch (error) {
      console.error(`Failed to install Node.js ${version}:`, error.message);
    } finally {
      await fs.remove(downloadDir); // Clean up downloaded files
    }
  }

}

module.exports = NodeVersionManager;