fix: topLevelVar option removes class name, causing a TypeError in static block#5888
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IWANABETHATGUY merged 1 commit intomainfrom Aug 25, 2025
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fix: topLevelVar option removes class name, causing a TypeError in static block#5888IWANABETHATGUY merged 1 commit intomainfrom
IWANABETHATGUY merged 1 commit intomainfrom
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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 <[email protected]>
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Closed #5884
TL;DR
Fix class declarations with static blocks when using
topLevelVaroption.What changed?
ScopeHoistingFinalizerby extracting it to a separate methodtopLevelVaris enabledtopLevelVaroption to the testing configuration schemaHow to test?
Run the new test case in
crates/rolldown/tests/rolldown/misc/top_level_var/issue_5884/which verifies that class declarations with static blocks work correctly whentopLevelVaris enabled.Why make this change?
This PR fixes issue #5884 where class declarations with static blocks were not properly handled when the
topLevelVaroption was enabled. The static initialization blocks in classes need special handling to ensure they work correctly when transformed to variable declarations.