feat(dev): introduce DevEngine to support build for devlopement scenario#5808
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feat(dev): introduce DevEngine to support build for devlopement scenario#5808
DevEngine to support build for devlopement scenario#5808Conversation
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sapphi-red
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Aug 22, 2025
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This looks good to me for full bundle mode. Do you have plans how to share the infra with build --watch?
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I guess the watcher part could be reused, but I haven't thought through the whole picture. |
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## [1.0.0-beta.34] - 2025-08-25 ### 💥 BREAKING CHANGES - improve merging of top-level `transform` option with `tsconfig` (#5882) by @shulaoda - support top-level `tsconfig` (#5842) by @shulaoda ### 🚀 Features - rolldown_plugin_esm_external_require: export namespace directly for Node builtin modules (#5885) by @shulaoda - rolldown_plugin_dynamic_import_vars: warn by default when errors occur (#5866) by @shulaoda - support adding note for diagnostic (#5864) by @IWANABETHATGUY - rolldown_plugin_vite_css_post: align partial css chunk logic (#5861) by @shulaoda - setup `rolldown_binding_watcher` (#5859) by @hyf0 - rolldown_plugin_vite_css_post: align css url replace logic (#5857) by @shulaoda - node/dev: binding for `DevEngine` (#5852) by @hyf0 - dev: introduce `DevEngine` to support build for devlopement scenario (#5808) by @hyf0 - Show a information log to tell built-in features if a plugin covered by built-in features are used (#5845) by @IWANABETHATGUY - rolldown_plugin_vite_css_post: align partial css url replace logic (#5837) by @shulaoda - rolldown_plugin_vite_css_post: align CSS chunk concatenation logic (#5836) by @shulaoda - rolldown_plugin_transform: support `useDefineForClassFields=false` with `target>=es2022` (#5841) by @sapphi-red - expose `esmExternalRequirePlugin` (#5810) by @shulaoda - rolldown_plugin_esm_external_require: basic implementation (#5809) by @shulaoda - rolldown: oxc v0.82.3 (#5807) by @Boshen - expose `oxc_minifier` options (#5804) by @IWANABETHATGUY - rolldown_plugin_require_to_import: initialize (#5797) by @shulaoda - adjust codegen `initial_indent` for concatenateWrappedModule (#5779) by @IWANABETHATGUY - rolldown: align default value of `option.context` (#5745) by @situ2001 ### 🐛 Bug Fixes - topLevelVar option removes class name, causing a TypeError in static block (#5888) by @IWANABETHATGUY - a esm module required by other module can't be a inner module of concatenateModuleGroup (#5875) by @IWANABETHATGUY - rolldown_plugin_transform: align `lang` logic correctly (#5874) by @shulaoda - Runtime error occurs depending on the lazy import order. (#5873) by @IWANABETHATGUY - when importee is ts or tsx adding potential false positive note for `missing_export` diagnostic (#5862) by @IWANABETHATGUY - hmr: boundary and accept_via was reversed (#5843) by @sapphi-red - returning result of this.resolve in resolveId hook impacts bundle size (#5851) by @IWANABETHATGUY - rolldown_plugin_transform: set `typescript.removeClassFieldsWithoutInitializer` for `useDefineForClassFields=false` (#5840) by @sapphi-red - hmr: `import.meta.hot.accept` in patch file should work (#5823) by @sapphi-red - proper handle pife and profiler_names for concatenate_wrapped_modules (#5835) by @IWANABETHATGUY - jsx preserve break component which is default export (#5751) by @shulaoda - hmr: ensure patch file name to be unique (#5825) by @sapphi-red - hmr: re-execute the boundary module rather than the accepted module (#5822) by @sapphi-red - Rolldown cannot treeshake unused branch (#5829) by @IWANABETHATGUY - `inlineConst` with constant propagation (#5826) by @IWANABETHATGUY - don't mangle variable names when `minify: 'dce-only'` is used (#5830) by @sapphi-red - return actual normalized minify options (#5818) by @IWANABETHATGUY - plugin/vite-resolve: try non-prefixed index before prefixed index (#5801) by @sapphi-red - throw a semantic error message instead of panic (#5796) by @AliceLanniste - rolldown: run DCE on chunk when `minify: dce-only` (#5792) by @Boshen - the import attribute has been removed. (#5794) by @IWANABETHATGUY - don't match CRLF for `/./` (#5790) by @IWANABETHATGUY - node: allow `output.topLevelVar` by options validator (#5789) by @sapphi-red - node: allow `transform.jsx: 'preserve'` by options validator (#5781) by @sapphi-red - preserve default export for `preserveModules` (#5780) by @shulaoda - browser: sync exports (#5776) by @sxzz - rolldown_plugin_transform: skip builtin transform for module id with null byte (#5775) by @hi-ogawa ### 🚜 Refactor - move common transform types into rolldown_common (#5876) by @shulaoda - rolldown_plugin_vite_css_post: extract `finalize_vite_css_urls` (#5860) by @shulaoda - rust: make `NotifyWatcher` WASM-compatible (#5855) by @hyf0 - rust/dev: remove improper deref for `BuildDriver` (#5854) by @hyf0 - incremental: use `clone_in_with_semantic_ids` for program cloning (#5853) by @shulaoda - rolldown_plugin_esm_external_require: tweak code (#5824) by @shulaoda - improve `resolve_dependencies` (#5795) by @shulaoda - simplify method calls in `PluginContext` (#5785) by @situ2001 ### 📚 Documentation - builtin-plugins: clarify behavior of `esmExternalRequirePlugin` (#5886) by @sapphi-red - builtin-plugins: add documentation for `esmExternalRequirePlugin` (#5813) by @shulaoda - support extracting doc for reference type (#5834) by @IWANABETHATGUY - optimization.inlineConst (#5831) by @IWANABETHATGUY - update description for output.minify (#5816) by @IWANABETHATGUY - plugins: extract plugins into a separate section (#5812) by @shulaoda ### ⚡ Performance - string_wizard: reduce allocation (#5793) by @Brooooooklyn ### 🧪 Testing - hmr: import.meta.hot.accept cases (#5821) by @sapphi-red - hmr: static import cases (#5820) by @sapphi-red - hmr: no boundary full reload case (#5819) by @sapphi-red ### ⚙️ Miscellaneous Tasks - deps: update `oxc-resolver` to v11.7.0 (#5889) by @shulaoda - deps: lock file maintenance (#5880) by @renovate[bot] - deps: lock file maintenance rust crates (#5881) by @renovate[bot] - deps: update github-actions (#5877) by @renovate[bot] - deps: lock file maintenance rust crates (#5879) by @renovate[bot] - deps: lock file maintenance npm packages (#5878) by @renovate[bot] - bump rolldown-ariadne (#5863) by @IWANABETHATGUY - remove usage of `quote_expr`, `quote_stmt` (#5858) by @IWANABETHATGUY - vite-tests: run all test suites even if some test suites failed (#5828) by @sapphi-red - vite-tests: set `_VITE_TEST_JS_PLUGIN` instead of `_VITE_TEST_NATIVE_PLUGIN` (#5827) by @sapphi-red - deps: use `vitepress@^2.0.0-alpha.12` instead (#5811) by @shulaoda - deps: update dependency rolldown-plugin-dts to v0.15.7 (#5814) by @renovate[bot] - add example with oxc transform styled components plugin (#5800) by @IWANABETHATGUY - deprecate top-level `jsx` option in favor of `transform.jsx` (#5783) by @shulaoda - deps: update crate-ci/typos action to v1.35.5 (#5786) by @renovate[bot] - update default value of options.context (#5777) by @IWANABETHATGUY ###◀️ Revert - "fix: jsx preserve break component which is default export (#5764)" (#5856) by @shulaoda Co-authored-by: shulaoda <165626830+shulaoda@users.noreply.github.com>
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High-Level Architecture
graph TB subgraph "External" FS[File System] BB[BundlerBuilder] B[Bundler] end subgraph "Dev Module Core" DE[DevEngine<W>] BD[BuildDriver] DC[DevContext] BT[BundlingTask] end subgraph "File Watching System" W[Watcher<W>] WEH[WatcherEventHandler] WES[WatcherEventService] end subgraph "Shared State" BS[BuildStatus] ASDD[ArcSharedDevData] end BB --> DE DE --> BD DE --> WES DE --> W BD --> DC BD --> BT BD --> B BT --> B BT --> DC DC --> BS W --> WEH WEH --> WES WES --> BD FS --> W DC -.-> ASDDUsage Example