Rolldown llms.txt · AI Docs Browser · mdream [llms.txt Tools](https://mdream.dev/llms-txt/rolldown/llms-txt) # Rolldown llms.txt Browse Rolldown documentation as markdown. Click any page in the sidebar to view it, or copy the full llms.txt for your AI tools. rolldown.rs/llms.txt [Raw llms.txt](https://rolldown.rs/llms.txt) [Raw llms-full.txt](https://rolldown.rs/llms-full.txt) Copy Markdown [](https://rolldown.rs/llms.txt) llms.txt Table of Contents Introduction Getting Started Notable Features Troubleshooting Why do we still need bundlers? Why Plugin Hook Filters? Module Types External Modules Directive Automatic Code Splitting Manual Code Splitting Bundling CJS Non ESM Output Formats Top Level Await(TLA) in Rolldown Dead Code Elimination Lazy Barrel Optimization Native MagicString Barrel Module Entry Entry Chunk Entry Name User-defined Entry Introduction Getting Started Notable Features Troubleshooting Why do we still need bundlers? Why Plugin Hook Filters? Module Types External Modules Directive Automatic Code Splitting Manual Code Splitting Bundling CJS Non ESM Output Formats Top Level Await(TLA) in Rolldown Dead Code Elimination Lazy Barrel Optimization Native MagicString Barrel Module Entry Entry Chunk Entry Name User-defined Entry Introduction Getting Started Notable Features Troubleshooting Why do we still need bundlers? Why Plugin Hook Filters? Module Types External Modules Directive Automatic Code Splitting Manual Code Splitting Bundling CJS Non ESM Output Formats Top Level Await(TLA) in Rolldown Dead Code Elimination Lazy Barrel Optimization Native MagicString Barrel Module Entry Entry Chunk Entry Name User-defined Entry checks context cwd devtools experimental external input logLevel makeAbsoluteExternalsRelative moduleTypes onLog onwarn optimization platform plugins preserveEntrySignatures resolve shimMissingExports transform treeshake tsconfig watch Function: build() Function: rolldown() Function: watch() Type Alias: BuildOptions Interface: RolldownBuild Interface: RolldownOutput Interface: RolldownWatcher Type Alias: RolldownWatcherEvent Type Alias: RolldownWatcherWatcherEventMap Interface: WatchOptions Interface: Plugin Interface: PluginContext Variable: VERSION Type Alias: AsyncPluginHooks Type Alias: BufferEncoding Type Alias: CodeSplittingNameFunction Interface: CustomPluginOptions Interface: EmittedAsset Interface: EmittedChunk Type Alias: EmittedFile Interface: EmittedPrebuiltChunk Interface: ExistingRawSourceMap Interface: FunctionPluginHooks Type Alias: GeneralHookFilter Interface: HookFilter Type Alias: HookFilterExtension Type Alias: ImportKind Type Alias: InternalModuleFormat Type Alias: LoadResult Interface: MinimalPluginContext Interface: ModuleInfo Interface: ModuleOptions Type Alias: ModuleType Type Alias: ModuleTypeFilter Interface: NormalizedInputOptions Interface: NormalizedOutputOptions Type Alias: ObjectHook Interface: OutputAsset Interface: OutputBundle Interface: OutputChunk Interface: PartialResolvedId Interface: PluginContextMeta Interface: PluginContextResolveOptions Interface: PluginMeta Interface: PreRenderedAsset Interface: RenderedChunk Interface: RenderedModule Interface: ResolvedId Interface: ResolveFileUrlArgs Type Alias: ResolveIdResult Interface: RolldownDirectoryEntry Interface: RolldownError Interface: RolldownFileStats Interface: RolldownFsModule Interface: SourceDescription Interface: SourceMap Type Alias: SourceMapInput Interface: TransformPluginContext Type Alias: TransformResult Function: defineConfig() Type Alias: ConfigExport Variable: getLogFilter Type Alias: GetLogFilter Function: loadConfig() Type Alias: RolldownOptionsFunction Function: withFilter() Function: esmExternalRequirePlugin() Function: replacePlugin() Function: minify() Function: parse() Function: transform() Class: Visitor Interface: MinifyOptions Interface: MinifyResult Function: minifySync() Function: parseAst() Function: parseAstAsync() Interface: ParseResult Interface: ParserOptions Function: parseSync() Type Alias: TransformResult Function: transformSync() Class: TsconfigCache Interface: TsconfigCompilerOptions Interface: TsconfigRawOptions Type Alias: VisitorObject Type Alias: AddonFunction Type Alias: AdvancedChunksGroup Type Alias: AdvancedChunksOptions Function: and() Type Alias: BuiltinModuleTag Type Alias: BundleError Type Alias: ChunkFileNamesFunction Interface: ChunkingContext Interface: ChunkOptimizationOptions Function: code() Type Alias: CodeSplittingGroup Function: exactRegex() Function: exclude() Function: exprInterpreter() Type Alias: ExternalOption Type Alias: ExternalOptionFunction Type Alias: FilterExpression Type Alias: FilterExpressionKind Function: filterVitePlugins() Type Alias: GeneratedCodePreset Type Alias: GetModuleInfo Type Alias: GlobalsFunction Function: id() Function: importerId() Function: include() Type Alias: InputOption Function: interpreter() Function: interpreterImpl() Type Alias: LoggingFunction Type Alias: LogLevel Type Alias: LogLevelOption Type Alias: LogOrStringHandler Function: makeIdFiltersToMatchWithQuery() Type Alias: MinifyOptions Type Alias: ModuleFormat Function: moduleType() Type Alias: ModuleTypes Function: not() Function: or() Type Alias: PartialNull Function: prefixRegex() Interface: PreRenderedChunk Function: queries() Function: query() Interface: QueryFilterObject Interface: ResolveIdExtraOptions Interface: RolldownLog Type Alias: RolldownLogWithString Interface: RolldownMagicString Variable: RolldownMagicString Interface: RolldownOptions Type Alias: RolldownPlugin Type Alias: RolldownPluginOption Variable: RUNTIME_MODULE_ID Type Alias: SourcemapIgnoreListOption Type Alias: TopLevelFilterExpression Type Alias: WarningHandlerWithDefault Interface: WatcherFileWatcherOptions Builtin Plugins Bundle Analyzer Plugin ESM External Require Plugin Replace Plugin Bundler API Plugin API Command Line Interface Rust Crates Plugin Hook Filters File URLs Source Code Transformations Inter-plugin communication Contribution Guide Contribution Guide Acknowledgements Glossary Interface: ChecksOptions Interface: CommentsOptions Interface: GeneratedCodeOptions Interface: InputOptions Interface: OutputOptions Interface: TransformOptions Interface: TransformOptions Interface: WatcherOptions Options & APIs Reference Type Alias: CodeSplittingOptions Type Alias: OptimizationOptions Type Alias: TreeshakingOptions ## What is Rolldown's llms.txt? Rolldown publishes an `/llms.txt` file that provides AI systems with a structured index of its documentation. It follows the [llms.txt specification](https://llmstxt.org), organizing links to guides, API references, and tutorials under section headings so that LLMs like ChatGPT, Claude, and Gemini can quickly understand what Rolldown offers and where to find details. Issues Spec 1 Sections 260 Links 16.6 KB Size ~4.3k Tokens Sections: Table of Contents ## Add Rolldown Docs to Your AI Assistant Select your tool to see how to add Rolldown's llms.txt as a documentation source. Cursor Windsurf Claude Code ChatGPT Zed Copilot 1. 1 Open any chat or composer panel 2. 2 Type @Docs and select "Add new doc" 3. 3 Paste the URL: https://rolldown.rs/llms.txt 4. 4 Wait for the green dot (indexing complete) 5. 5 Reference @Docs in chat when asking about Rolldown Cursor crawls the URL and indexes all subpages. Add a trailing slash to index child pages too. ## Spec Compliance 22 errors ## Frequently Asked Questions Where is Rolldown's llms.txt file? Rolldown publishes its llms.txt at https://rolldown.rs/llms.txt. This file provides a structured, markdown-formatted index of Rolldown's documentation that AI systems can consume to understand the project's APIs, guides, and references. How do I use Rolldown's llms.txt with AI coding assistants? Copy the llms.txt content and paste it into your AI assistant (Cursor, Windsurf, Claude, ChatGPT) as context. This gives the AI an accurate map of Rolldown's documentation so it can provide better code suggestions and answers about Rolldown. What does Rolldown's llms.txt contain? Rolldown's llms.txt contains 1 sections and 260 documentation links in 16.6 KB (~4.3k tokens). Key sections include Table of Contents. How many tokens does Rolldown's llms.txt use? The concise llms.txt index is approximately 4.3k tokens (16.6 KB). Most AI assistants can fit this within their context window. For the full expanded documentation, look for an llms-full.txt variant which embeds all content inline. What is Rolldown? Fast Rust-based bundler for JavaScript with Rollup-compatible API. Rolldown's llms.txt file helps AI systems understand this by providing a structured overview of its documentation, making it easier for developers to get accurate AI-assisted help when working with Rolldown. Can I generate an llms.txt for my own project? Yes. Use the free llms.txt generator at mdream.dev/tools/llms-txt/generator to crawl your site and produce a spec-compliant llms.txt file. You can also validate existing files with the llms.txt validator. ## Browse More llms.txt Files [Convex Documentation For general information about Convex, read \[https://www.convex.dev/llms.txt\](https://www.convex.dev/llms.txt).](https://mdream.dev/llms-txt/rolldown/llms-txt/convex-backend) [Aptible](https://mdream.dev/llms-txt/rolldown/llms-txt/aptible) [Directus Documentation Directus is a real-time API and no-code Data Studio for managing any SQL database. It provides REST and GraphQL APIs, granular access control, authentication, file storage, automations, realtime via WebSockets, analytics dashboards, AI integration, and a full extension system. 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