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fix: generate init calls for excluded re-exports in strict execution order#8858

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graphite-app[bot] merged 1 commit intomainfrom
03-23-fix_8777-2
Mar 31, 2026
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fix: generate init calls for excluded re-exports in strict execution order#8858
graphite-app[bot] merged 1 commit intomainfrom
03-23-fix_8777-2

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@IWANABETHATGUY IWANABETHATGUY commented Mar 23, 2026

Closes #8777

Summary

  • In strict execution order mode, tree-shaken re-export statements (export { x } from / export * from) in ESM-wrapped modules were missing init_*() calls, causing runtime failures with barrel-file patterns (e.g. MUI-style re-exports)
  • Fixes this in the module finalizer by generating init calls for excluded re-export statements, traversing transitively through non-included barrel modules to find the included importees
  • Adds two regression tests: issue_8777 (MUI-style barrel re-exports) and exports_chain_shared_barrel_fixpoint (multi-level barrel chain)

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IWANABETHATGUY commented Mar 23, 2026


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@IWANABETHATGUY IWANABETHATGUY mentioned this pull request Mar 23, 2026
@IWANABETHATGUY IWANABETHATGUY changed the base branch from 03-19-fix_8777 to graphite-base/8858 March 31, 2026 09:38
@IWANABETHATGUY IWANABETHATGUY changed the base branch from graphite-base/8858 to main March 31, 2026 09:39
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@IWANABETHATGUY IWANABETHATGUY force-pushed the 03-23-fix_8777-2 branch 2 times, most recently from 883fd27 to 2de09a7 Compare March 31, 2026 10:44
@IWANABETHATGUY IWANABETHATGUY changed the title fix: 8777-2 fix: generate init calls for excluded re-exports in strict execution order Mar 31, 2026
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Merging this PR will not alter performance

✅ 4 untouched benchmarks
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Comparing 03-23-fix_8777-2 (2de09a7) with main (2780deb)2

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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.

  2. No successful run was found on main (dff6aca) during the generation of this report, so 2780deb was used instead as the comparison base. There might be some changes unrelated to this pull request in this report.

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IWANABETHATGUY commented Mar 31, 2026

Merge activity

  • Mar 31, 12:16 PM UTC: The merge label 'graphite: merge-when-ready' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
  • Mar 31, 12:19 PM UTC: IWANABETHATGUY added this pull request to the Graphite merge queue.
  • Mar 31, 12:24 PM UTC: Merged by the Graphite merge queue.

…order (#8858)

Closes #8777

## Summary
- In strict execution order mode, tree-shaken re-export statements (`export { x } from` / `export * from`) in ESM-wrapped modules were missing `init_*()` calls, causing runtime failures with barrel-file patterns (e.g. MUI-style re-exports)
- Fixes this in the module finalizer by generating init calls for excluded re-export statements, traversing transitively through non-included barrel modules to find the included importees
- Adds two regression tests: `issue_8777` (MUI-style barrel re-exports) and `exports_chain_shared_barrel_fixpoint` (multi-level barrel chain)
@graphite-app graphite-app bot force-pushed the 03-23-fix_8777-2 branch from 8172ad5 to 1d25f3d Compare March 31, 2026 12:20
@graphite-app graphite-app bot merged commit 1d25f3d into main Mar 31, 2026
30 of 31 checks passed
@graphite-app graphite-app bot deleted the 03-23-fix_8777-2 branch March 31, 2026 12:24
@github-actions github-actions bot mentioned this pull request Apr 1, 2026
shulaoda added a commit that referenced this pull request Apr 1, 2026
## [1.0.0-rc.13] - 2026-04-01

### 🚀 Features

- add friendly error for unloadable virtual modules (#8955) by @sapphi-red
- better error message for unsupported CSS error (#8911) by @sapphi-red

### 🐛 Bug Fixes

- prevent chunk merging from leaking entry side effects (#8979) by @IWANABETHATGUY
- correct inlining based on module's def format and esModule flag (#8975) by @h-a-n-a
- generate init calls for excluded re-exports in strict execution order (#8858) by @IWANABETHATGUY
- consistent order for `meta.chunks` in `renderChunk` hook (#8956) by @sapphi-red
- subpath imports in glob imports failing to find files (#8885) by @kalvenschraut
- browser: bundle binding types in dts output (#8930) by @nyan-left
- ci: guard artifact download step in `vite-test-ubuntu` when build is skipped (#8934) by @Copilot
- track CJS re-export import records to fix inline const and tree-shaking (#8925) by @h-a-n-a
- use ImportKind::Import for common-chunk root computation (#8899) by @IWANABETHATGUY
- watch: clear emitted_filenames between rebuilds (#8914) by @IWANABETHATGUY
- ci: cache esbuild snapshots to avoid 429 rate limiting (#8921) by @IWANABETHATGUY
- always check circular deps in chunk optimizer (#8915) by @IWANABETHATGUY
- don't mark calls to reassigned bindings as pure (#8917) by @IWANABETHATGUY
- magic-string: throw TypeError for non-string content args (#8905) by @IWANABETHATGUY
- magic-string: add split-point validation and overwrite/update options (#8904) by @IWANABETHATGUY

### 🚜 Refactor

- pre-compute has_side_effects on ChunkCandidate (#8981) by @IWANABETHATGUY
- cleanup and simplify in dynamic_import.rs (#8927) by @ulrichstark
- rename came_from_cjs to came_from_commonjs for consistency (#8938) by @IWANABETHATGUY
- inline `create_ecma_view` return destructuring and remove redundant binding (#8932) by @shulaoda

### 📚 Documentation

- document ensure_lazy_module_initialization_order in code-splitting design doc (#8931) by @IWANABETHATGUY

### 🧪 Testing

- add regression test for runtime helper circular dependency (#8958) by @h-a-n-a
- enable 8 previously-skipped MagicString remove tests (#8945) by @IWANABETHATGUY
- add test for why PureAnnotation is needed in execution order check (#8933) by @IWANABETHATGUY

### ⚙️ Miscellaneous Tasks

- add `@emnapi/runtime` and `@emnapi/core` as direct deps of `@rolldown/browser` (#8978) by @Copilot
- deps: update dependency vite-plus to v0.1.15 (#8970) by @renovate[bot]
- deps: update dependency oxfmt to ^0.43.0 (#8969) by @renovate[bot]
- deps: upgrade oxc to 0.123.0 (#8967) by @shulaoda
- justfile: deduplicate update-submodule as alias of setup-submodule (#8968) by @shulaoda
- deps: update rollup submodule for tests to v4.60.1 (#8965) by @sapphi-red
- deps: update test262 submodule for tests (#8966) by @sapphi-red
- remove unused `type-check` scripts (#8957) by @sapphi-red
- deps: update actions/cache action to v5 (#8953) by @renovate[bot]
- deps: update npm packages to v6 (major) (#8954) by @renovate[bot]
- deps: update npm packages (#8948) by @renovate[bot]
- deps: update rust crates (#8949) by @renovate[bot]
- deps: update github-actions (#8947) by @renovate[bot]
- deps: update napi (#8943) by @renovate[bot]
- deps: update dependency rolldown-plugin-dts to ^0.23.0 (#8944) by @renovate[bot]
- regenerate testing snapshots (#8928) by @ulrichstark
- deps: update dependency rust to v1.94.1 (#8923) by @renovate[bot]

### ❤️ New Contributors

* @kalvenschraut made their first contribution in [#8885](#8885)
* @nyan-left made their first contribution in [#8930](#8930)

Co-authored-by: shulaoda <[email protected]>
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[Bug]: strictExecutionOrder + sideEffects: false drops init calls for named re-exports, leaving variables undefined

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