#Rspack plugins

Browse all documented Rspack plugins by function below.

To learn how to use plugins, see the plugin guide.

#Output and assets

• BannerPlugin: Adds a banner to the beginning or end of generated chunks.
• CopyRspackPlugin: Copies files or directories into the build output.
• CssExtractRspackPlugin: Extracts CSS into standalone files as a replacement for mini-css-extract-plugin.
• HtmlRspackPlugin: Generates HTML files and injects the build's scripts and styles.
• SubresourceIntegrityPlugin: Generates integrity hashes for emitted assets and adds them to HTML and chunk-loading tags.

#Build optimization

• CompatHashedChunkIdsPlugin: Assigns compact, stable hash ids to chunks.
• CompatHashedModuleIdsPlugin: Assigns compact, stable hash ids to modules.
• CssChunkingPlugin: Splits CSS into chunks while preserving required stylesheet ordering.
• DeterministicModuleIdsPlugin: Assigns short numeric module ids that remain stable between builds.
• DllPlugin: Creates a prebuilt DLL bundle and its manifest.
• DllReferencePlugin: References a DLL manifest to reuse prebuilt dependencies.
• LightningCssMinimizerRspackPlugin: Minifies CSS assets with Lightning CSS.
• LimitChunkCountPlugin: Merges chunks to keep their total count below a configured limit.
• RuntimeChunkPlugin: Controls how Rspack creates runtime chunks.
• SplitChunksPlugin: Splits shared or asynchronous code into chunks for better loading and caching.
• SwcJsMinimizerRspackPlugin: Minifies JavaScript assets with SWC.

#Modules and dependencies

• ContextReplacementPlugin: Narrows or replaces the modules available to dynamic require and import() contexts.
• DefinePlugin: Replaces variables with constant values or expressions at compile time.
• EntryPlugin: Adds an entry module and entry chunk during compilation.
• EnvironmentPlugin: Defines selected process.env values through DefinePlugin.
• ExternalsPlugin: Leaves selected dependencies out of the bundle so they can be provided externally.
• IgnorePlugin: Prevents matching import or require requests from producing modules.
• JavascriptModulesPlugin: Handles JavaScript module bundling and exposes compilation hooks for customizing rendering and chunk hashes.
• ModuleFederationPlugin: Enables Module Federation 1.5 in Rspack.
• ModuleFederationPluginV1: Provides webpack-compatible Module Federation 1.0 behavior.
• NormalModuleReplacementPlugin: Replaces matching module requests with another resource.
• ProvidePlugin: Automatically imports modules when configured identifiers are used.
• TreeShakingSharedPlugin: Performs on-demand builds and export optimization for Module Federation shared dependencies.
• VirtualModulesPlugin: Creates, updates, and deletes in-memory modules that behave like files.

#Development and debugging

• CaseSensitivePlugin: Warns when module request casing conflicts with paths on the file system.
• CircularCheckRspackPlugin: Reports circular imports found in the module graph.
• EvalSourceMapDevToolPlugin: Provides fine-grained source map generation using eval-based mappings.
• HotModuleReplacementPlugin: Enables hot module replacement during development.
• NoEmitOnErrorsPlugin: Prevents assets from being emitted when compilation errors occur.
• ProgressPlugin: Reports and customizes compilation progress.
• SourceMapDevToolPlugin: Provides fine-grained control over source map generation.

#Targets and runtime

• ElectronTargetPlugin: Externalizes Electron built-in modules for Electron targets.
• EnableChunkLoadingPlugin: Enables a chunk-loading type and its required runtime modules.
• EnableLibraryPlugin: Enables output for a specified library type.
• EnableWasmLoadingPlugin: Enables a WebAssembly loading type and its required runtime modules.
• JsonpTemplatePlugin: Configures browser builds to use JSONP-style chunk loading.
• NodeTargetPlugin: Externalizes Node.js built-in modules for Node targets.
• NodeTemplatePlugin: Configures Node.js chunk format and loading behavior.
• WebWorkerTemplatePlugin: Configures Web Worker builds and importScripts-based chunk loading.

#Reference

• Internal plugins: Catalogs low-level plugins that Rspack applies internally for custom compiler development and inspection.
• webpack built-in plugin support: Summarizes Rspack's support for webpack built-in plugins.

For third-party plugins, see the plugin compatibility list and awesome-rstack.

#Deprecated

• CircularDependencyRspackPlugin: Detects circular dependencies and is deprecated in favor of CircularCheckRspackPlugin.