Plugin System

/**
 * Replaces variables with compile-time constants using string replacement
 * @param definitions - Object mapping variable names to values
 */
class DefinePlugin {
  constructor(definitions: Record<string, any>);
}

/**
 * Automatically loads modules when they are used as free variables
 * @param definitions - Object mapping variable names to module names/paths
 */
class ProvidePlugin {
  constructor(definitions: Record<string, string | string[]>);
}

/**
 * Maps environment variables to DefinePlugin definitions
 * @param keys - Array of environment variable names or object with defaults
 */
class EnvironmentPlugin {
  constructor(keys: string[] | Record<string, any>);
}

/**
 * Prevents bundling of certain modules based on request patterns
 * @param options - Ignore configuration with resource and context matchers
 */
class IgnorePlugin {
  constructor(options: {
    resourceRegExp?: RegExp;
    contextRegExp?: RegExp;
    checkResource?: (resource: string, context: string) => boolean;
  });
}

/**
 * Replaces the default resource resolution for context modules
 * @param resourceRegExp - Pattern to match context requests
 * @param newContentResource - New directory or callback for replacement
 * @param newContentRecursive - Whether to include subdirectories
 * @param newContentRegExp - Pattern to filter files in new context
 */
class ContextReplacementPlugin {
  constructor(
    resourceRegExp: RegExp,
    newContentResource?: string | ((resource: string) => string),
    newContentRecursive?: boolean,
    newContentRegExp?: RegExp
  );
}

/**
 * Excludes modules from being included in context module requests
 * @param negativeMatcher - Pattern to match modules for exclusion
 */
class ContextExclusionPlugin {
  constructor(negativeMatcher: RegExp);
}

/**
 * Replaces modules during the normal module factory resolution process
 * @param resourceRegExp - Pattern to match module requests
 * @param newResource - Replacement module path or callback
 */
class NormalModuleReplacementPlugin {
  constructor(
    resourceRegExp: RegExp,
    newResource: string | ((resource: any) => string)
  );
}

const webpack = require("webpack");

module.exports = {
  plugins: [
    // Define compile-time constants
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': JSON.stringify('production'),
      'API_BASE_URL': JSON.stringify('https://api.example.com'),
      'VERSION': JSON.stringify(require('./package.json').version)
    }),
    
    // Automatically provide modules
    new webpack.ProvidePlugin({
      $: 'jquery',
      jQuery: 'jquery',
      'window.jQuery': 'jquery',
      process: 'process/browser'
    }),
    
    // Map environment variables
    new webpack.EnvironmentPlugin({
      NODE_ENV: 'development',
      DEBUG: false,
      API_URL: 'http://localhost:3000'
    }),
    
    // Ignore moment.js locales
    new webpack.IgnorePlugin({
      resourceRegExp: /^\.\/locale$/,
      contextRegExp: /moment$/
    })
  ]
};

/**
 * Enables Hot Module Replacement for faster development cycles
 * @param options - HMR configuration options
 */
class HotModuleReplacementPlugin {
  constructor(options?: {
    multiStep?: boolean;
    fullBuildTimeout?: number;
    requestTimeout?: number;
  });
}

/**
 * Generates source maps with fine-grained control over format and output
 * @param options - Source map generation options
 */
class SourceMapDevToolPlugin {
  constructor(options?: {
    filename?: string | false;
    include?: string | RegExp | Array<string | RegExp>;
    exclude?: string | RegExp | Array<string | RegExp>;
    moduleFilenameTemplate?: string | ((info: any) => string);
    fallbackModuleFilenameTemplate?: string | ((info: any) => string);
    append?: string | false;
    module?: boolean;
    columns?: boolean;
    lineToLine?: boolean | { test?: RegExp | Array<RegExp> };
    noSources?: boolean;
    publicPath?: string;
    fileContext?: string;
    sourceRoot?: string;
  });
}

/**
 * Fast source maps using eval() for development builds
 * @param options - Eval source map options
 */
class EvalSourceMapDevToolPlugin {
  constructor(options?: {
    include?: string | RegExp | Array<string | RegExp>;
    exclude?: string | RegExp | Array<string | RegExp>;
    moduleFilenameTemplate?: string | ((info: any) => string);
    module?: boolean;
    columns?: boolean;
    lineToLine?: boolean | { test?: RegExp | Array<RegExp> };
  });
}

/**
 * Wraps modules in eval() statements for better debugging
 * @param options - Eval dev tool options
 */
class EvalDevToolModulePlugin {
  constructor(options?: {
    moduleFilenameTemplate?: string | ((info: any) => string);
    sourceUrlComment?: string;
  });
}

/**
 * Reports compilation progress during builds
 * @param options - Progress reporting configuration
 */
class ProgressPlugin {
  constructor(options?: {
    activeModules?: boolean;
    entries?: boolean;
    handler?: (percentage: number, message: string, ...args: string[]) => void;
    modules?: boolean;
    modulesCount?: number;
    profile?: boolean;
    dependencies?: boolean;
    dependenciesCount?: number;
    percentBy?: 'entries' | 'modules' | 'dependencies' | null;
  });
}

const webpack = require("webpack");

module.exports = {
  mode: 'development',
  devtool: false, // Disable default source maps
  plugins: [
    // Enable HMR
    new webpack.HotModuleReplacementPlugin(),
    
    // Custom source map configuration
    new webpack.SourceMapDevToolPlugin({
      filename: '[file].map',
      include: /\.js$/,
      exclude: /vendor/,
      moduleFilenameTemplate: 'webpack://[namespace]/[resource-path]',
      columns: false
    }),
    
    // Progress reporting
    new webpack.ProgressPlugin({
      activeModules: true,
      handler: (percentage, message, ...args) => {
        console.log(`${Math.round(percentage * 100)}%`, message, ...args);
      }
    })
  ]
};

/**
 * Automatically splits chunks based on optimization rules
 * @param options - Chunk splitting configuration
 */
class SplitChunksPlugin {
  constructor(options?: {
    chunks?: 'all' | 'async' | 'initial' | ((chunk: any) => boolean);
    minSize?: number | { [key: string]: number };
    minRemainingSize?: number | { [key: string]: number };
    minChunks?: number;
    maxAsyncRequests?: number;
    maxInitialRequests?: number;
    enforceSizeThreshold?: number | { [key: string]: number };
    cacheGroups?: {
      [key: string]: {
        test?: RegExp | string | ((module: any) => boolean);
        name?: string | false | ((module: any) => string);
        chunks?: 'all' | 'async' | 'initial' | ((chunk: any) => boolean);
        minSize?: number;
        minChunks?: number;
        maxAsyncRequests?: number;
        maxInitialRequests?: number;
        priority?: number;
        reuseExistingChunk?: boolean;
        enforce?: boolean;
      };
    };
    fallbackCacheGroup?: {
      minSize?: number;
      maxAsyncRequests?: number;
      maxInitialRequests?: number;
    };
    hidePathInfo?: boolean;
  });
}

/**
 * Extracts webpack runtime code into a separate chunk
 * @param options - Runtime chunk configuration
 */
class RuntimeChunkPlugin {
  constructor(options?: {
    name?: string | ((entrypoint: any) => string) | { name: string | ((entrypoint: any) => string) };
  });
}

/**
 * Concatenates modules in the same scope to reduce bundle size (scope hoisting)
 */
class ModuleConcatenationPlugin {
  constructor();
}

/**
 * Merges chunks aggressively to reduce the number of HTTP requests
 * @param options - Merging configuration
 */
class AggressiveMergingPlugin {
  constructor(options?: {
    minSizeReduce?: number;
    moveToParents?: boolean;
  });
}

/**
 * Limits the maximum number of chunks to control resource loading
 * @param options - Chunk count limits
 */
class LimitChunkCountPlugin {
  constructor(options: {
    maxChunks: number;
    chunkOverhead?: number;
    entryChunkMultiplicator?: number;
  });
}

/**
 * Ensures chunks meet minimum size requirements
 * @param options - Minimum size configuration
 */
class MinChunkSizePlugin {
  constructor(options: {
    minChunkSize: number;
  });
}

/**
 * Generates content-based hashes for long-term caching
 * @param options - Hash generation options
 */
class RealContentHashPlugin {
  constructor(options?: {
    hashFunction?: string;
    hashDigest?: string;
  });
}

const webpack = require("webpack");

module.exports = {
  optimization: {
    splitChunks: {
      chunks: 'all',
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          name: 'vendors',
          chunks: 'all',
          priority: 10
        },
        common: {
          minChunks: 2,
          chunks: 'all',
          name: 'common',
          priority: 5,
          reuseExistingChunk: true
        }
      }
    },
    runtimeChunk: {
      name: 'runtime'
    }
  },
  plugins: [
    new webpack.optimize.ModuleConcatenationPlugin(),
    new webpack.optimize.LimitChunkCountPlugin({
      maxChunks: 5
    }),
    new webpack.optimize.RealContentHashPlugin()
  ]
};

/**
 * Cleans the output directory before each build
 * @param options - Cleaning configuration
 */
class CleanPlugin {
  constructor(options?: {
    dry?: boolean;
    keep?: string | RegExp | ((filename: string) => boolean);
    cleanOnceBeforeBuildPatterns?: string[];
    cleanAfterEveryBuildPatterns?: string[];
    dangerouslyAllowCleanPatternsOutsideProject?: boolean;
  });
}

/**
 * Adds banner comments to the top of generated files
 * @param options - Banner configuration
 */
class BannerPlugin {
  constructor(options: string | {
    banner: string | ((data: any) => string);
    raw?: boolean;
    entryOnly?: boolean;
    test?: string | RegExp | Array<string | RegExp>;
    include?: string | RegExp | Array<string | RegExp>;
    exclude?: string | RegExp | Array<string | RegExp>;
    footer?: boolean;
    stage?: number;
  });
}

const webpack = require("webpack");

module.exports = {
  plugins: [
    // Clean output directory
    new webpack.CleanPlugin({
      cleanAfterEveryBuildPatterns: ['**/*', '!important.js']
    }),
    
    // Add copyright banner
    new webpack.BannerPlugin({
      banner: '/*! Copyright 2023 MyCompany */\n',
      raw: true,
      test: /\.js$/
    })
  ]
};

/**
 * Generates deterministic chunk IDs based on chunk content
 * @param options - Deterministic ID options
 */
class DeterministicChunkIdsPlugin {
  constructor(options?: {
    context?: string;
    maxLength?: number;
  });
}

/**
 * Generates deterministic module IDs based on module content and context
 * @param options - Deterministic module ID options
 */
class DeterministicModuleIdsPlugin {
  constructor(options?: {
    context?: string;
    maxLength?: number;
  });
}

/**
 * Uses human-readable names for chunk IDs in development
 * @param options - Named chunk ID options
 */
class NamedChunkIdsPlugin {
  constructor(options?: {
    delimiter?: string;
    context?: string;
  });
}

/**
 * Uses human-readable names for module IDs in development
 * @param options - Named module ID options
 */
class NamedModuleIdsPlugin {
  constructor(options?: {
    context?: string;
  });
}

/**
 * Generates short hash-based module IDs for production
 * @param options - Hash generation options
 */
class HashedModuleIdsPlugin {
  constructor(options?: {
    context?: string;
    hashFunction?: string;
    hashDigest?: string;
    hashDigestLength?: number;
  });
}

/**
 * Uses natural numbers as module IDs (webpack 4 behavior)
 */
class NaturalModuleIdsPlugin {
  constructor();
}

/**
 * Creates a container that exposes modules for consumption by other builds
 * @param options - Container configuration
 */
class ContainerPlugin {
  constructor(options: {
    name: string;
    library?: LibraryOptions;
    filename?: string;
    runtime?: string | false;
    shareScope?: string;
    exposes: { [key: string]: string };
  });
}

/**
 * Consumes modules from external containers
 * @param options - Container reference configuration
 */
class ContainerReferencePlugin {
  constructor(options: {
    remoteType: string;
    remotes: { [key: string]: string | string[] };
    shareScope?: string;
  });
}

/**
 * Complete module federation setup combining container and reference functionality
 * @param options - Module federation configuration
 */
class ModuleFederationPlugin {
  constructor(options: {
    name?: string;
    filename?: string;
    runtime?: string | false;
    library?: LibraryOptions;
    remoteType?: string;
    remotes?: { [key: string]: string | string[] };
    exposes?: { [key: string]: string };
    shared?: { [key: string]: SharedConfig } | string[];
    shareScope?: string;
  });
}

/**
 * Consumes shared modules from other builds
 * @param options - Shared consumption configuration
 */
class ConsumeSharedPlugin {
  constructor(options: {
    consumes: { [key: string]: SharedConfig };
    shareScope?: string;
  });
}

/**
 * Provides modules for sharing with other builds
 * @param options - Shared provision configuration
 */
class ProvideSharedPlugin {
  constructor(options: {
    provides: { [key: string]: SharedConfig };
    shareScope?: string;
  });
}

/**
 * Combines consume and provide shared functionality
 * @param options - Share plugin configuration
 */
class SharePlugin {
  constructor(options: {
    shared: { [key: string]: SharedConfig };
    shareScope?: string;
  });
}

const webpack = require("webpack");

// Host application
module.exports = {
  plugins: [
    new webpack.container.ModuleFederationPlugin({
      name: 'host',
      remotes: {
        mf1: 'mf1@http://localhost:3001/remoteEntry.js'
      },
      shared: {
        react: { singleton: true },
        'react-dom': { singleton: true }
      }
    })
  ]
};

// Remote application
module.exports = {
  plugins: [
    new webpack.container.ModuleFederationPlugin({
      name: 'mf1',
      filename: 'remoteEntry.js',
      exposes: {
        './Component': './src/Component'
      },
      shared: {
        react: { singleton: true },
        'react-dom': { singleton: true }
      }
    })
  ]
};

// Web Platform Plugins
/**
 * Enables JSONP-based chunk loading for web environments
 * @param options - JSONP template options
 */
class JsonpTemplatePlugin {
  constructor(options?: {
    asyncChunkLoading?: boolean;
  });
}

/**
 * Enables WebAssembly compilation using fetch API for web
 * @param options - Fetch WASM options
 */
class FetchCompileWasmPlugin {
  constructor(options?: {
    mangleImports?: boolean;
  });
}

/**
 * Enables async WebAssembly compilation for web environments
 * @param options - Async WASM options
 */
class FetchCompileAsyncWasmPlugin {
  constructor(options?: {
    mangleImports?: boolean;
  });
}

// Node.js Platform Plugins
/**
 * Sets up Node.js environment for webpack builds
 * @param options - Node environment options
 */
class NodeEnvironmentPlugin {
  constructor(options?: {
    infrastructureLogging?: any;
  });
}

/**
 * Handles Node.js built-in modules and polyfills
 * @param options - Node source plugin options
 */
class NodeSourcePlugin {
  constructor(options?: {
    [key: string]: boolean | 'mock' | 'empty';
  });
}

/**
 * Configures build target for Node.js environments
 * @param options - Node target options
 */
class NodeTargetPlugin {
  constructor(options?: {
    asyncChunkLoading?: boolean;
  });
}

/**
 * Provides Node.js-specific code generation templates
 */
class NodeTemplatePlugin {
  constructor();
}

// Other Platform Plugins
/**
 * Configures build for Electron applications (main and renderer processes)
 * @param context - Target context ('main' | 'renderer' | 'preload')
 */
class ElectronTargetPlugin {
  constructor(context?: 'main' | 'renderer' | 'preload');
}

/**
 * Provides code generation templates for Web Worker environments
 */
class WebWorkerTemplatePlugin {
  constructor();
}

/**
 * Adds entry points to the compilation
 * @param context - Entry context directory
 * @param entry - Entry module path
 * @param options - Entry configuration options
 */
class EntryPlugin {
  constructor(context: string, entry: string, options?: string | EntryOptions);
}

/**
 * Supports dynamically determined entry points
 * @param context - Entry context directory
 * @param entry - Function returning entry configuration
 * @param options - Entry options
 */
class DynamicEntryPlugin {
  constructor(
    context: string,
    entry: () => string | EntryObject | Promise<string | EntryObject>,
    options?: string | EntryOptions
  );
}

/**
 * Processes and validates entry configuration from webpack config
 * @param context - Base context directory
 */
class EntryOptionPlugin {
  constructor(context?: string);
}

/**
 * Enables JavaScript chunk loading mechanisms
 * @param options - Chunk loading configuration
 */
class EnableChunkLoadingPlugin {
  constructor(options: {
    type: string;
    enableAsync?: boolean;
  });
}

/**
 * Enables WebAssembly loading mechanisms
 * @param options - WASM loading configuration
 */
class EnableWasmLoadingPlugin {
  constructor(options: {
    type: string;
  });
}

/**
 * Core JavaScript module processing and code generation
 * @param options - JavaScript modules options
 */
class JavascriptModulesPlugin {
  constructor(options?: {
    chunkFormat?: string;
  });
}

/**
 * Provides support for CSS modules with local scope
 * @param options - CSS modules configuration
 */
class CssModulesPlugin {
  constructor(options?: {
    localIdentName?: string;
    namedExport?: boolean;
  });
}

/**
 * Abstract base class for library output plugins
 */
abstract class AbstractLibraryPlugin {
  constructor(options: {
    type: string;
  });
}

/**
 * Enables library output functionality
 * @param type - Library output type
 */
class EnableLibraryPlugin {
  constructor(type: string);
}

/**
 * In-memory caching implementation for development
 * @param options - Memory cache options
 */
class MemoryCachePlugin {
  constructor(options?: {
    maxGenerations?: number;
    cacheUnaffected?: boolean;
  });
}

/**
 * Support for async WebAssembly modules
 * @param options - Async WebAssembly options
 */
class AsyncWebAssemblyModulesPlugin {
  constructor(options?: {
    mangleImports?: boolean;
  });
}

/**
 * Experimental support for HTTP/HTTPS module resolution
 * @param options - HTTP URI plugin options
 */
class HttpUriPlugin {
  constructor(options?: {
    allowedUris?: Array<string | RegExp | ((uri: string) => boolean)>;
    cacheLocation?: string | false;
    frozen?: boolean;
    lockfileLocation?: string;
    upgrade?: boolean;
  });
}

/**
 * Creates a DLL bundle for better build performance
 * @param options - DLL plugin configuration
 */
class DllPlugin {
  constructor(options: {
    context?: string;
    format?: boolean;
    name: string;
    path: string;
    entryOnly?: boolean;
    type?: string;
  });
}

/**
 * References a DLL bundle in the current build
 * @param options - DLL reference configuration
 */
class DllReferencePlugin {
  constructor(options: {
    context?: string;
    manifest: object | string;
    content?: object;
    name?: string;
    scope?: string;
    sourceType?: string;
    type?: string;
  });
}

/**
 * Delegates module resolution to other webpack builds
 * @param options - Delegation configuration
 */
class DelegatedPlugin {
  constructor(options: {
    source?: string;
    type?: string;
    context?: string;
    content: object;
    extensions?: string[];
  });
}

/**
 * Adds external dependencies without bundling them
 * @param externals - External module configuration
 */
class ExternalsPlugin {
  constructor(type: string, externals: ExternalItem | ExternalItem[]);
}

/**
 * Configures loader options globally (deprecated in webpack 2+)
 * @param options - Loader options
 */
class LoaderOptionsPlugin {
  constructor(options: {
    minimize?: boolean;
    debug?: boolean;
    options?: object;
    [key: string]: any;
  });
}

/**
 * Sets the target environment for loaders
 * @param target - Loader target environment
 */
class LoaderTargetPlugin {
  constructor(target: string);
}

/**
 * Prevents webpack from emitting assets when there are compilation errors
 */
class NoEmitOnErrorsPlugin {
  constructor();
}

/**
 * Automatically prefetch modules for better performance
 * @param context - Module context
 * @param request - Module request
 */
class AutomaticPrefetchPlugin {
  constructor(context?: string, request?: string);
}

/**
 * Manually prefetch modules
 * @param context - Module context
 * @param request - Module request
 */
class PrefetchPlugin {
  constructor(context: string | null, request: string);
}

/**
 * Creates a manifest file for DLL libraries
 * @param options - Manifest generation options
 */
class LibManifestPlugin {
  constructor(options?: {
    context?: string;
    format?: boolean;
    name?: string;
    path?: string;
    type?: string;
  });
}

/**
 * Ignores files during the build process based on patterns
 * @param paths - Glob patterns or RegExp for files to ignore during watching
 */
class WatchIgnorePlugin {
  constructor(paths: (string | RegExp)[] | RegExp);
}

/**
 * Adds a banner comment to the top of generated chunks
 * @param options - Banner configuration
 */
class BannerPlugin {
  constructor(options: string | {
    banner: string | (() => string);
    raw?: boolean;
    entryOnly?: boolean;
    test?: string | RegExp | (string | RegExp)[];
    include?: string | RegExp | (string | RegExp)[];
    exclude?: string | RegExp | (string | RegExp)[];
  });
}

/**
 * Sets the target platform for the build
 * @param platform - Target platform
 */
class PlatformPlugin {
  constructor(platform?: string);
}

/**
 * Removes assets from the build that exceed size limits
 * @param options - Size limit configuration
 */
class CleanPlugin {
  constructor(options?: {
    cleanStaleWebpackAssets?: boolean;
    protectWebpackAssets?: boolean;
    cleanOnceBeforeBuildPatterns?: string[];
    cleanAfterEveryBuildPatterns?: string[];
    dangerouslyAllowCleanPatternsOutsideProject?: boolean;
    dry?: boolean;
    verbose?: boolean;
  });
}

/**
 * @deprecated Use SplitChunksPlugin instead
 * Aggressively splits chunks for better caching
 */
class AggressiveSplittingPlugin {
  constructor(options?: {
    minSize?: number;
    maxSize?: number;
    chunkOverhead?: number;
    entryChunkMultiplicator?: number;
  });
}

/**
 * @deprecated Use EntryPlugin instead
 * Creates a single entry point (renamed to EntryPlugin)
 */
class SingleEntryPlugin {
  constructor(context: string, entry: string, name?: string);
}

/**
 * @deprecated Use compilation.outputOptions.library instead
 * Template plugin for library output
 */
class LibraryTemplatePlugin {
  constructor(name: any, target?: string, umdNamedDefine?: boolean, auxiliaryComment?: any, exportProperty?: string | string[]);
}

interface WebpackPluginInstance {
  apply(compiler: Compiler): void;
}

type WebpackPluginFunction = (compiler: Compiler) => void;

interface EntryOptions {
  name?: string;
  runtime?: string | false;
  dependOn?: string | string[];
  publicPath?: string;
  chunkLoading?: ChunkLoadingType;
  asyncChunks?: boolean;
  wasmLoading?: WasmLoadingType;
  library?: LibraryOptions;
}

interface SharedConfig {
  shareKey?: string;
  shareScope?: string;
  version?: string | false;
  singleton?: boolean;
  strictVersion?: boolean;
  requiredVersion?: string | false;
  packageName?: string;
  sharedName?: string;
  eager?: boolean;
}

interface LibraryOptions {
  name?: string | string[] | LibraryCustomUmdObject;
  type?: string;
  export?: string | string[];
  auxiliaryComment?: string | LibraryCustomUmdCommentObject;
  umdNamedDefine?: boolean;
}

type ChunkLoadingType = 'jsonp' | 'import-scripts' | 'require' | 'async-node' | 'import';
type WasmLoadingType = 'fetch-streaming' | 'fetch' | 'async-node' | 'sync';

class CustomPlugin {
  apply(compiler) {
    compiler.hooks.compilation.tap('CustomPlugin', (compilation) => {
      // Plugin logic using compilation hooks
      compilation.hooks.processAssets.tap({
        name: 'CustomPlugin',
        stage: webpack.Compilation.PROCESS_ASSETS_STAGE_OPTIMIZE
      }, (assets) => {
        // Process assets
      });
    });
  }
}

module.exports = {
  plugins: [
    new CustomPlugin()
  ]
};