fix: remove unnecessary exports after merging into commong and user defined entry#7789
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Pull request overview
This pull request fixes an issue where unnecessary exports were being generated for chunks that had been removed during chunk merging optimization. When dynamic entry chunks are merged into common chunks or user-defined entry chunks, the original chunks are marked as removed but were still being processed when computing cross-chunk links, resulting in spurious exports.
Key Changes
- Added filtering to skip removed chunks when computing cross-chunk imports in
compute_cross_chunk_links.rs - Added a new test case
issue_5276_2to cover this scenario - Updated test snapshots to reflect the removal of unnecessary exports
Reviewed changes
Copilot reviewed 16 out of 16 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| crates/rolldown/src/stages/generate_stage/compute_cross_chunk_links.rs | Added filter to skip removed chunks when computing chunk imports (line 345) |
| crates/rolldown/tests/rolldown/code_splitting/issue_5276_2/* | New test case covering the scenario where a dynamic entry is merged into a common chunk |
| crates/rolldown/tests/rolldown/optimization/chunk_merging/*/artifacts.snap | Updated snapshots showing removal of unnecessary exports from merged chunks |
| crates/rolldown/tests/rolldown/code_splitting/issue_5276/artifacts.snap | Updated snapshot with corrected export names and removed unnecessary exports |
| crates/rolldown/tests/esbuild/splitting/*/artifacts.snap | Updated snapshots reflecting removal of unnecessary exports |
| crates/rolldown/tests/snapshots/integration_rolldown__filename_with_hash.snap | Updated hash values due to changes in generated output |
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shulaoda
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## [1.0.0-beta.60] - 2026-01-14 ### 💥 BREAKING CHANGES - tsconfig: enable auto-discovery by default (#7817) by @shulaoda ### 🚀 Features - distinguish transformer diagnostics from parse errors (#7872) by @shulaoda - emit transformer warnings instead of ignoring them (#7850) by @shulaoda - node: add `output.codeSplitting` option and deprecate `output.advancedChunks` (#7855) by @hyf0 - nativeMagicString reset (#7828) by @IWANABETHATGUY - nativeMagicString lastChar (#7819) by @IWANABETHATGUY - dev/lazy: inject lazy compilation runtime automatically (#7816) by @hyf0 - nativeMagicString snip (#7818) by @IWANABETHATGUY - nativeMagicString construct with options (#7814) by @IWANABETHATGUY - nativeMagicString clone (#7813) by @IWANABETHATGUY - nativeMagicString `insert` (#7812) by @IWANABETHATGUY - nativeMagicString `slice` (#7807) by @IWANABETHATGUY - nativeMagicString trim methods (#7800) by @IWANABETHATGUY - make closeBundle hook receive the last error (#7278) by @Copilot ### 🐛 Bug Fixes - when package only contains export default, cjsDefault didn't resolve correctly (#7873) by @IWANABETHATGUY - inline __name calls for default exports (#7862) by @IWANABETHATGUY - improve variable renaming to avoid unnecessary shadowing in nested scopes (#7859) by @IWANABETHATGUY - use correct index when inserting keepNames statements during export default transformation (#7853) by @IWANABETHATGUY - transform non-static dynamic imports when `dynamicImportInCjs` is `false` (#7823) by @shulaoda - dev/lazy: should include imported and non-executed modules in the patch (#7815) by @hyf0 - set ExportsKind to Esm when json is none object literal (#7808) by @IWANABETHATGUY - nativeMagicString move api (#7796) by @IWANABETHATGUY - remove unnecessary exports after merging into commong and user defined entry (#7789) by @IWANABETHATGUY - use output.name instead of chunk.name in mixed export warning (#7788) by @Copilot ### 🚜 Refactor - generalize ParseError to OxcError with dynamic EventKind (#7868) by @shulaoda - rust: rename `advanced_chunks` to `manual_code_splitting` (#7856) by @hyf0 - string_wizard error hanlding (#7830) by @IWANABETHATGUY - remove `experimental.disableLiveBindings` option (#7820) by @sapphi-red - node/test: run fixture tests in concurrent (#7790) by @hyf0 - move ConfigExport and RolldownOptionsFunction types to define-config (#7799) by @shulaoda - cli: validate config after resolving and improve error message (#7798) by @shulaoda ### 📚 Documentation - rebrand (#7670) by @yyx990803 - fix incorrect default value for propertyReadSideEffects (#7847) by @Copilot - remove options pages and redirect to reference pages (#7834) by @sapphi-red - options: inline types to option property pages (#7831) by @sapphi-red - options: port checks.pluginTimings content from options page to reference page (#7832) by @sapphi-red - options: use `@linkcode` where possible (#7824) by @sapphi-red - options: port content from options page to reference page (#7822) by @sapphi-red - options: add descriptions for output options (#7821) by @sapphi-red - options: add description for input options (#7802) by @sapphi-red - options: add description for `checks.*` (#7801) by @sapphi-red - apis: add hook graph (#7671) by @sapphi-red ### 🧪 Testing - add all valid combination of chunk exports related test (#7851) by @IWANABETHATGUY - enable MagicString test after api return type alignment (#7797) by @IWANABETHATGUY - init magic-string test (#7794) by @IWANABETHATGUY ### ⚙️ Miscellaneous Tasks - vite-tests: configure git user for rebase operation (#7875) by @shulaoda - rolldown_binding: remove v3 native plugins (#7837) by @shulaoda - rolldown_binding: allow crate-type as lib (#7866) by @Brooooooklyn - README.md: adjust position and size of rolldown logo (#7861) by @hyf0 - deps: update test262 submodule for tests (#7857) by @sapphi-red - deps: update oxc to v0.108.0 (#7845) by @renovate[bot] - deps: update dependency oxlint to v1.39.0 (#7849) by @renovate[bot] - deps: update dependency oxfmt to ^0.24.0 (#7844) by @renovate[bot] - deps: update npm packages (#7841) by @renovate[bot] - deps: update rust crates (#7839) by @renovate[bot] - deps: update github-actions (#7840) by @renovate[bot] - use workspace edition for all crates (#7829) by @IWANABETHATGUY - deps: update dependency oxlint-tsgolint to v0.11.0 (#7827) by @renovate[bot] - deps: update napi to v3.8.2 (#7810) by @renovate[bot] - remove outdated snapshot files (#7806) by @shulaoda - deps: update crate-ci/typos action to v1.42.0 (#7792) by @renovate[bot] Co-authored-by: shulaoda <[email protected]>
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closed #7613