Configuration Presets

/**
 * Default environment collection configuration
 * Includes all major categories for comprehensive environment reporting
 */
presets.defaults = {
  System: ['OS', 'CPU', 'Memory', 'Container', 'Shell'],
  Binaries: ['Node', 'Yarn', 'npm', 'pnpm', 'bun', 'Watchman'],
  Managers: ['Apt', 'Cargo', 'CocoaPods', 'Composer', 'Gradle', 'Homebrew', 'Maven', 'pip2', 'pip3', 'RubyGems', 'Yum'],
  Utilities: ['Bazel', 'CMake', 'Make', 'GCC', 'Git', 'Clang', 'Ninja', 'Mercurial', 'Subversion', 'FFmpeg', 'Curl', 'OpenSSL'],
  Servers: ['Apache', 'Nginx'],
  Virtualization: ['Docker', 'Docker Compose', 'Parallels', 'VirtualBox', 'VMware Fusion'],
  SDKs: ['iOS SDK', 'Android SDK', 'Windows SDK'],
  IDEs: ['Android Studio', 'Atom', 'Emacs', 'IntelliJ', 'NVim', 'Nano', 'PhpStorm', 'Sublime Text', 'VSCode', 'Visual Studio', 'Vim', 'WebStorm', 'Xcode'],
  Languages: ['Bash', 'Go', 'Elixir', 'Erlang', 'Java', 'Perl', 'PHP', 'Protoc', 'Python', 'Python3', 'R', 'Ruby', 'Rust', 'Scala'],
  Databases: ['MongoDB', 'MySQL', 'PostgreSQL', 'SQLite'],
  Browsers: ['Brave Browser', 'Chrome', 'Chrome Canary', 'Chromium', 'Edge', 'Firefox', 'Firefox Developer Edition', 'Firefox Nightly', 'Internet Explorer', 'Safari', 'Safari Technology Preview'],
  Monorepos: ['Yarn Workspaces', 'Lerna'],
  npmPackages: null,        // Not collected by default
  npmGlobalPackages: null   // Not collected by default
};

/**
 * React Native development preset
 * Focuses on mobile development tools and React Native ecosystem
 */
presets['react-native'] = {
  System: ['OS', 'CPU'],
  Binaries: ['Node', 'Yarn', 'npm', 'pnpm', 'bun', 'Watchman'],
  SDKs: ['iOS SDK', 'Android SDK', 'Windows SDK'],
  IDEs: ['Android Studio', 'Xcode', 'Visual Studio'],
  npmPackages: ['react', 'react-native'],
  npmGlobalPackages: ['react-native-cli']
};

const envinfo = require('envinfo');

// Use React Native preset
const result = await envinfo.run('react-native');
// Or explicitly
const result = await envinfo.run({ preset: 'react-native' });

/**
 * Jest testing framework preset
 * Minimal system info with Jest package detection
 */
presets.jest = {
  System: ['OS', 'CPU'],
  Binaries: ['Node', 'Yarn', 'npm', 'pnpm', 'bun'],
  npmPackages: ['jest']
};

/**
 * Webpack build tool preset
 * Includes webpack packages and related build tools
 */
presets.webpack = {
  System: ['OS', 'CPU'],
  Binaries: ['Node', 'Yarn', 'npm', 'pnpm', 'bun'],
  npmPackages: '*webpack*',                    // All webpack-related packages
  npmGlobalPackages: ['webpack', 'webpack-cli']
};

/**
 * Create React App preset
 * Includes browsers for testing and CRA-specific packages
 */
presets['create-react-app'] = {
  System: ['OS', 'CPU'],
  Binaries: ['Node', 'npm', 'Yarn', 'pnpm', 'bun'],
  Browsers: ['Chrome', 'Edge', 'Internet Explorer', 'Firefox', 'Safari'],
  npmPackages: ['react', 'react-dom', 'react-scripts'],
  npmGlobalPackages: ['create-react-app'],
  options: {
    duplicates: true,      // Show duplicate package versions
    showNotFound: true     // Include missing packages in output
  }
};

/**
 * CSS build tools preset (cssnano example)
 * Minimal configuration for CSS processing environments
 */
presets.cssnano = {
  System: ['OS', 'CPU'],
  Binaries: ['Node', 'Yarn', 'npm', 'pnpm', 'bun'],
  npmPackages: ['cssnano', 'postcss'],
  options: {
    duplicates: true
  }
};

/**
 * NYC code coverage preset
 * Includes testing and coverage related packages
 */
presets.nyc = {
  System: ['OS', 'CPU', 'Memory'],
  Binaries: ['Node', 'Yarn', 'npm', 'pnpm', 'bun'],
  npmPackages: '/**/{*babel*,@babel/*/,*istanbul*,nyc,source-map-support,typescript,ts-node}'
};

/**
 * Styled components preset
 * Includes browsers for styling testing
 */
presets['styled-components'] = {
  System: ['OS', 'CPU'],
  Binaries: ['Node', 'Yarn', 'npm', 'pnpm', 'bun'],
  Browsers: ['Chrome', 'Firefox', 'Safari'],
  npmPackages: '*styled-components*'
};

/**
 * Apollo GraphQL preset
 * Includes apollo packages and modern browsers
 */
presets.apollo = {
  System: ['OS'],
  Binaries: ['Node', 'npm', 'Yarn', 'pnpm', 'bun'],
  Browsers: ['Chrome', 'Edge', 'Firefox', 'Safari'],
  npmPackages: '{*apollo*,@apollo/*}',
  npmGlobalPackages: '{*apollo*,@apollo/*}'
};

/**
 * Babel transpilation preset
 * Comprehensive package detection for build tools
 */
presets.babel = {
  System: ['OS'],
  Binaries: ['Node', 'npm', 'Yarn', 'pnpm', 'bun'],
  Monorepos: ['Yarn Workspaces', 'Lerna'],
  npmPackages: '{*babel*,@babel/*,eslint,webpack,create-react-app,react-native,lerna,jest,next,rollup}'
};

/**
 * Playwright testing preset
 * Includes system details and playwright packages
 */
presets.playwright = {
  System: ['OS', 'CPU', 'Memory', 'Container'],
  Binaries: ['Node', 'Yarn', 'npm', 'pnpm', 'bun'],
  Languages: ['Bash'],
  IDEs: ['VSCode'],
  npmPackages: '{playwright*,@playwright/*}'
};

/**
 * React Native Web preset
 * Cross-platform React Native for web development
 */
presets['react-native-web'] = {
  System: ['OS', 'CPU'],
  Binaries: ['Node', 'npm', 'Yarn', 'pnpm', 'bun'],
  Browsers: ['Chrome', 'Edge', 'Internet Explorer', 'Firefox', 'Safari'],
  npmPackages: ['react', 'react-native-web'],
  options: {
    showNotFound: true
  }
};

const envinfo = require('envinfo');

// Use preset by name
const reactNativeEnv = await envinfo.run('react-native');
const jestEnv = await envinfo.run('jest');
const webpackEnv = await envinfo.run('webpack');

// Use preset with additional options
const craEnv = await envinfo.run('create-react-app', {
  json: true,
  console: false
});

const envinfo = require('envinfo');

// Extend preset with additional configuration
const customConfig = {
  ...envinfo.presets['react-native'],
  Languages: ['Java', 'Swift'],         // Add languages
  npmPackages: ['react', 'react-native', 'expo']  // Override packages
};

const result = await envinfo.run(customConfig);

// Combine multiple presets (merge manually)
const combinedConfig = {
  System: envinfo.presets.jest.System,
  Binaries: envinfo.presets.webpack.Binaries,
  npmPackages: ['jest', 'webpack', 'react'],
  options: {
    duplicates: true,
    json: true
  }
};

// Create custom preset for your specific environment
const myCustomPreset = {
  System: ['OS', 'CPU', 'Memory'],
  Binaries: ['Node', 'npm'],
  Languages: ['Python', 'Go'],
  IDEs: ['VSCode'],
  npmPackages: ['express', 'mongoose', 'lodash'],
  npmGlobalPackages: ['nodemon', 'pm2'],
  options: {
    duplicates: true,
    markdown: true,
    title: 'My Development Environment'
  }
};

// Use custom preset
const result = await envinfo.run(myCustomPreset);

interface PresetOptions {
  duplicates?: boolean;      // Show duplicate package versions
  showNotFound?: boolean;    // Include "Not Found" results
  fullTree?: boolean;        // Traverse full dependency tree
}

// Presets with options
const presetsWithOptions = {
  'create-react-app': { duplicates: true, showNotFound: true },
  'cssnano': { duplicates: true },
  'react-native-web': { showNotFound: true }
};

# Use preset from command line
envinfo --preset react-native
envinfo --preset jest --json
envinfo --preset webpack --markdown

# Combine preset with additional options
envinfo --preset create-react-app --duplicates --json

// All available preset names
const availablePresets = [
  'defaults',           // Default comprehensive collection
  'react-native',       // React Native development
  'jest',              // Jest testing framework
  'webpack',           // Webpack build tool
  'create-react-app',  // Create React App
  'cssnano',           // CSS processing
  'nyc',               // Code coverage
  'styled-components', // Styled components
  'apollo',            // Apollo GraphQL
  'babel',             // Babel transpilation
  'playwright',        // Playwright testing
  'react-native-web'   // React Native Web
];

// Check if preset exists
const presetExists = (name) => name in envinfo.presets;