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fix: collect destructured bindings in HMR module exports#9146

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04-17-fix_collect_destructured_bindings_in_hmr_module_exports
Apr 17, 2026
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fix: collect destructured bindings in HMR module exports#9146
graphite-app[bot] merged 1 commit into
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04-17-fix_collect_destructured_bindings_in_hmr_module_exports

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@h-a-n-a

@h-a-n-a h-a-n-a commented Apr 17, 2026

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Summary

Fix the HMR AST finalizer to support destructured exports.

Previously export const { a: aliasA, b: aliasB } = obj had all aliases silently dropped from the module's __exportAll table, so loadExports(id).aliasA returned undefined at runtime.

Test

Added crates/rolldown/tests/rolldown/topics/hmr/destructured_reexport/.

h-a-n-a commented Apr 17, 2026

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h-a-n-a changed the base branch from 04-16-fix_rolldown_plugin_lazy_compilation_use_loadexports_for_fetched_proxy_to_preserve_original_export_names to graphite-base/9146 April 17, 2026 06:07
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h-a-n-a force-pushed the graphite-base/9146 branch from 77ca16d to f4e60c9 Compare April 17, 2026 06:08
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h-a-n-a force-pushed the 04-17-fix_collect_destructured_bindings_in_hmr_module_exports branch from 5a7a86f to 25a1f91 Compare April 17, 2026 06:08
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h-a-n-a changed the base branch from graphite-base/9146 to main April 17, 2026 06:08
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h-a-n-a marked this pull request as ready for review April 17, 2026 06:09
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h-a-n-a force-pushed the 04-17-fix_collect_destructured_bindings_in_hmr_module_exports branch from 25a1f91 to 625e552 Compare April 17, 2026 06:13
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Merging this PR will not alter performance

✅ 4 untouched benchmarks
⏩ 10 skipped benchmarks1


Comparing 04-17-fix_collect_destructured_bindings_in_hmr_module_exports (625e552) with main (8559e64)

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  1. 10 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports.

hyfdev commented Apr 17, 2026

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## Summary

Fix the HMR AST finalizer to support destructured exports.

Previously `export const { a: aliasA, b: aliasB } = obj` had all aliases silently dropped from the module's `__exportAll` table, so `loadExports(id).aliasA` returned undefined at runtime.

 ## Test

 Added crates/rolldown/tests/rolldown/topics/hmr/destructured_reexport/.
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graphite-app Bot force-pushed the 04-17-fix_collect_destructured_bindings_in_hmr_module_exports branch from 625e552 to f554244 Compare April 17, 2026 16:02
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graphite-app Bot merged commit f554244 into main Apr 17, 2026
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graphite-app Bot deleted the 04-17-fix_collect_destructured_bindings_in_hmr_module_exports branch April 17, 2026 16:09
@github-actions github-actions Bot mentioned this pull request Apr 22, 2026
This was referenced Apr 22, 2026
shulaoda added a commit that referenced this pull request Apr 22, 2026
## [1.0.0-rc.17] - 2026-04-22

### 🐛 Bug Fixes

- link: error on missing export between TS modules (#9197) by @IWANABETHATGUY
- rolldown_plugin_vite_import_glob: import path should not be affected by absolute base option (#9145) by @kermanx
- `this.resolve()` returns null for bare relative paths without importer (#9142) by @Copilot
- collect destructured bindings in HMR module exports (#9146) by @h-a-n-a
- esbuild-tests: handle 0.28.0 test cases (#9149) by @sapphi-red
- plugin/copy-module: honor external resolutions from other plugins (#9139) by @TheAlexLichter
- allow undefined in sourcesContent type (#9136) by @jurijzahn8019
- reduce false positives in chunk optimizer circular dependency detection (#9049) by @AlonMiz

### 🚜 Refactor

- chunk-optimizer: extract runtime-module placement into rehome_runtime_module (#9163) by @IWANABETHATGUY

### 📚 Documentation

- add design doc for sort_modules execution ordering (#9169) by @IWANABETHATGUY
- add document for `RenderedModule` (#9147) by @sapphi-red

### ⚡ Performance

- rolldown_plugin_vite_import_glob: skip self-import earlier using raw path comparison (#9193) by @shulaoda

### 🧪 Testing

- lazy: add `playground/lazy-compilation` (#7974) by @hyf0

### ⚙️ Miscellaneous Tasks

- use app token for release PR (#9198) by @Boshen
- upgrade oxc to 0.127.0 (#9194) by @Dunqing
- use oxc security action (#9196) by @Boshen
- esbuild-tests: remove some tests from ignored list as enum inline is now supported (#9184) by @sapphi-red
- deps: update dependency vite-plus to v0.1.19 (#9183) by @renovate[bot]
- use vp instead of pnpm in check-wasi-binding-deps (#9182) by @shulaoda
- verify wasm32-wasi binding deps match @rolldown/browser before publish (#9162) by @shulaoda
- deps: update esbuild for tests to 0.28.0 (#9172) by @sapphi-red
- deps: update rollup submodule for tests to v4.60.2 (#9173) by @sapphi-red
- deps: update test262 submodule for tests (#9174) by @sapphi-red
- sort_modules: fix stale async-entry sort key comment (#9170) by @IWANABETHATGUY
- deps: update npm packages (#9157) by @renovate[bot]
- deps: update dependency diff to v9 (#9158) by @renovate[bot]
- deps: update rust crates (#9156) by @renovate[bot]
- run Windows CI on PRs labeled with `ci: windows` (#9153) by @hyf0
- update-test-dependencies: run setup-rust before file changes (#9151) by @sapphi-red
- deps: update dependency rust to v1.95.0 (#9140) by @renovate[bot]

### ❤️ New Contributors

* @jurijzahn8019 made their first contribution in [#9136](#9136)
* @AlonMiz made their first contribution in [#9049](#9049)

---------

Co-authored-by: shulaoda <[email protected]>
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