Skip to content

Comments

fix(rolldown): run DCE on chunk when minify: dce-only#5792

Merged
hyf0 merged 2 commits intomainfrom
run-dce-on-chunk
Aug 20, 2025
Merged

fix(rolldown): run DCE on chunk when minify: dce-only#5792
hyf0 merged 2 commits intomainfrom
run-dce-on-chunk

Conversation

@Boshen
Copy link
Member

@Boshen Boshen commented Aug 19, 2025

fixes oxc-project/oxc#13176

minify_options are unpacked and passed to dce_or_minify because we can't import rolldown_common in rolldown_ecmascript, it would introduce cyclic import.

@netlify
Copy link

netlify bot commented Aug 19, 2025

Deploy Preview for rolldown-rs ready!

Name Link
🔨 Latest commit 6a09401
🔍 Latest deploy log https://app.netlify.com/projects/rolldown-rs/deploys/68a52c9d1592610008cfcdd7
😎 Deploy Preview https://deploy-preview-5792--rolldown-rs.netlify.app
📱 Preview on mobile
Toggle QR Code...

QR Code

Use your smartphone camera to open QR code link.

To edit notification comments on pull requests, go to your Netlify project configuration.

@Boshen
Copy link
Member Author

Boshen commented Aug 19, 2025

There are no existing tests to cover this part of the pipeline, where should I add a test case?

@github-actions
Copy link
Contributor

github-actions bot commented Aug 19, 2025

Benchmarks Rust

group                                                        pr                                     target
-----                                                        --                                     ------
bundle/bundle@multi-duplicated-top-level-symbol              1.00     79.3±2.46ms        ? ?/sec    1.02     81.2±1.97ms        ? ?/sec
bundle/bundle@multi-duplicated-top-level-symbol-sourcemap    1.00     89.2±1.54ms        ? ?/sec    1.05     93.9±3.10ms        ? ?/sec
bundle/bundle@rome_ts                                        1.00    117.8±3.30ms        ? ?/sec    1.04    122.4±3.37ms        ? ?/sec
bundle/bundle@rome_ts-sourcemap                              1.00    138.1±1.98ms        ? ?/sec    1.02    141.5±2.33ms        ? ?/sec
bundle/bundle@threejs                                        1.00     44.0±2.46ms        ? ?/sec    1.03     45.2±2.67ms        ? ?/sec
bundle/bundle@threejs-sourcemap                              1.00     53.0±1.23ms        ? ?/sec    1.03     54.4±1.20ms        ? ?/sec
bundle/bundle@threejs10x                                     1.00   468.1±10.94ms        ? ?/sec    1.01    473.3±7.21ms        ? ?/sec
bundle/bundle@threejs10x-sourcemap                           1.00    548.2±8.28ms        ? ?/sec    1.01    551.9±6.15ms        ? ?/sec
scan/scan@rome_ts                                            1.00     93.3±1.81ms        ? ?/sec    1.01     94.0±2.31ms        ? ?/sec
scan/scan@threejs                                            1.00     32.8±0.68ms        ? ?/sec    1.01     33.0±1.87ms        ? ?/sec
scan/scan@threejs10x                                         1.00    343.0±4.57ms        ? ?/sec    1.01    345.8±4.18ms        ? ?/sec

fixes oxc-project/oxc#13176

`minify_options` are unpacked and passed to `dce_or_minify` because we can't import
`rolldown_common` in `rolldown_ecmascript`, it would introduce cyclic
import.
@Boshen Boshen marked this pull request as ready for review August 20, 2025 01:55
@shulaoda shulaoda changed the title fix(rolldown): run DCE on chunk when minify: dce-only fix(rolldown): run DCE on chunk when minify: dce-only Aug 20, 2025
@hyf0 hyf0 added this pull request to the merge queue Aug 20, 2025
Merged via the queue into main with commit 5b89c5d Aug 20, 2025
23 checks passed
@hyf0 hyf0 deleted the run-dce-on-chunk branch August 20, 2025 05:56
shulaoda added a commit that referenced this pull request Aug 25, 2025
## [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]>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

minifier: true && is not removed by dead_code_elimination

3 participants