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fix: use canonical namespace reference for property access#7777

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graphite-app[bot] merged 1 commit intomainfrom
01-06-fix_7773
Jan 7, 2026
Merged

fix: use canonical namespace reference for property access#7777
graphite-app[bot] merged 1 commit intomainfrom
01-06-fix_7773

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@IWANABETHATGUY IWANABETHATGUY commented Jan 7, 2026

closed #7773

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@IWANABETHATGUY IWANABETHATGUY changed the title fix: 7773 fix: use canonical namespace reference for property access Jan 7, 2026
@IWANABETHATGUY IWANABETHATGUY marked this pull request as ready for review January 7, 2026 04:34
Copilot AI review requested due to automatic review settings January 7, 2026 04:34
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Pull request overview

This PR fixes a bug where namespace references in property access expressions were not using canonical references when looking up their names in the canonical names map. The fix ensures that canonical_ref_for is called on the namespace reference before looking it up, preventing potential runtime errors or incorrect code generation.

Key Changes:

  • Updated finalized_string_pattern_for_symbol_ref in generator.rs to resolve namespace references to their canonical form before name lookup
  • Added test case for issue 7773 demonstrating the fix with CommonJS interop and re-exports

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file
File Description
crates/rolldown/src/types/generator.rs Fixed namespace reference resolution to use canonical reference before name lookup
crates/rolldown/tests/rolldown/issues/7773/main.js Test input demonstrating CommonJS default import and re-export
crates/rolldown/tests/rolldown/issues/7773/lib.js CommonJS module used in the test case
crates/rolldown/tests/rolldown/issues/7773/_config.json Test configuration for CJS and UMD formats
crates/rolldown/tests/rolldown/issues/7773/artifacts.snap Expected output snapshot showing correct property access
crates/rolldown/tests/snapshots/integration_rolldown__filename_with_hash.snap Updated integration test snapshot

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Benchmarks Rust

group                                                        pr                                     target
-----                                                        --                                     ------
bundle/bundle@multi-duplicated-top-level-symbol              1.00     61.0±1.61ms        ? ?/sec    1.05     64.4±1.33ms        ? ?/sec
bundle/bundle@multi-duplicated-top-level-symbol-sourcemap    1.00     67.8±1.78ms        ? ?/sec    1.04     70.6±1.53ms        ? ?/sec
bundle/bundle@rome_ts                                        1.00    103.0±2.09ms        ? ?/sec    1.04    106.6±4.88ms        ? ?/sec
bundle/bundle@rome_ts-sourcemap                              1.00    113.4±1.45ms        ? ?/sec    1.05    119.5±2.35ms        ? ?/sec
bundle/bundle@threejs                                        1.00     37.0±1.70ms        ? ?/sec    1.03     38.0±1.15ms        ? ?/sec
bundle/bundle@threejs-sourcemap                              1.01     42.1±1.18ms        ? ?/sec    1.00     41.8±0.90ms        ? ?/sec
bundle/bundle@threejs10x                                     1.00    372.4±3.50ms        ? ?/sec    1.05    391.1±8.94ms        ? ?/sec
bundle/bundle@threejs10x-sourcemap                           1.00    435.1±4.82ms        ? ?/sec    1.04   451.9±12.13ms        ? ?/sec
scan/scan@rome_ts                                            1.00     81.7±1.44ms        ? ?/sec    1.01     82.2±2.53ms        ? ?/sec
scan/scan@threejs                                            1.01     27.6±1.58ms        ? ?/sec    1.00     27.2±0.33ms        ? ?/sec
scan/scan@threejs10x                                         1.00    283.4±4.40ms        ? ?/sec    1.00    282.8±4.31ms        ? ?/sec

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graphite-app bot commented Jan 7, 2026

Merge activity

@graphite-app graphite-app bot merged commit e5a047d into main Jan 7, 2026
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@graphite-app graphite-app bot deleted the 01-06-fix_7773 branch January 7, 2026 05:36
@github-actions github-actions bot mentioned this pull request Jan 7, 2026
shulaoda added a commit that referenced this pull request Jan 7, 2026
## [1.0.0-beta.59] - 2026-01-07

⚡ Inline Dynamic Imports for Statically Imported Modules

- When a module is already statically imported, dynamic imports to that same module are now inlined instead of creating a separate chunk

### 🚀 Features

- plugin_timings: add 3s threshold and doc link to warning message (#7741) by @shulaoda
- improve treeshaking logic to handle empty parameter list in dynamic import .then() callbacks (#7781) by @Copilot
- dev/lazy: don't include already executed modules (#7745) by @hyf0
- dev/lazy: support dynamic `import(..)` (#7726) by @hyf0
- inline dynamic imports that imports statically imported modules (#7742) by @IWANABETHATGUY
- option: add experimental option to control chunk optimization (#7738) by @IWANABETHATGUY

### 🐛 Bug Fixes

- inline dynamic entry to user defined entry with esm wrap kind (#7783) by @IWANABETHATGUY
- use canonical namespace reference for property access (#7777) by @IWANABETHATGUY
- dynamic entry merged into common chunk with cjs and esm wrap kind (#7771) by @IWANABETHATGUY
- tla: should not await non-tla-related modules (#7768) by @hyf0
- dynamic entry captured by common chunk with CJS format (#7757) by @IWANABETHATGUY
- module_loader: mark emitted chunks as user-defined entry when already loaded (#7765) by @shulaoda
- normalize preserveModulesRoot path (#7737) by @IWANABETHATGUY
- linker: resolve race condition in side effects computation for export-star (#7728) by @camc314

### 🚜 Refactor

- plugin_timings: filter out plugins with duration < 1s from timing warnings (#7785) by @shulaoda
- module_loader: remove unnecessary collect before extend (#7769) by @shulaoda
- rename _id suffixes to _idx for oxc_index types (#7767) by @IWANABETHATGUY
- remove duplicate `preserve_entry_signatures` from `AddEntryModuleMsg` (#7762) by @shulaoda
- module_loader: pass `user_defined_entries` by reference (#7756) by @shulaoda
- dev/lazy: get proxy entry's `ResolvedId` correctly (#7746) by @hyf0
- simplify try_rewrite_import_expression control flow (#7753) by @IWANABETHATGUY
- module_loader: remove unnecessary dynamic import handling for runtime module (#7754) by @shulaoda
- inline __toDynamicImportESM  (#7747) by @IWANABETHATGUY
- use From impl for ModuleLoaderOutput conversion (#7732) by @shulaoda
- remove duplicate fields from `ModuleLoader` (#7731) by @shulaoda
- tweak `resolve_user_defined_entries` (#7727) by @shulaoda

### 📚 Documentation

- add rolldown-string reference to native MagicString compatibility section (#7778) by @Copilot
- improve comments for export star side effects handling (#7730) by @IWANABETHATGUY

### 🧪 Testing

- use assertion instead of console.log for some testcase (#7744) by @IWANABETHATGUY

### ⚙️ Miscellaneous Tasks

- tweak some `output.dynamicImportInCjs` related rollup test results (#7776) by @sapphi-red
- mark esbuild/dce/dce_of_symbol_ctor_call as passed (#7775) by @sapphi-red
- deps: update oxc apps (#7772) by @renovate[bot]
- vite-tests: allow running on PRs with `test: vite-tests` label (#7770) by @shulaoda
- deps: update oxc apps (#7760) by @renovate[bot]
- deps: update rollup submodule for tests to v4.55.1 (#7763) by @sapphi-red
- deps: update test262 submodule for tests (#7764) by @sapphi-red
- deps: update oxc to v0.107.0 (#7758) by @camc314
- deps: update taiki-e/install-action action to v2.65.13 (#7751) by @renovate[bot]
- deps: update rust crates (#7750) by @renovate[bot]
- deps: update npm packages (#7749) by @renovate[bot]
- deps: update github-actions (#7748) by @renovate[bot]
- deps: update dependency oxlint-tsgolint to v0.10.1 (#7729) by @renovate[bot]
- deps: update crate-ci/typos action to v1.41.0 (#7725) by @renovate[bot]

Co-authored-by: shulaoda <[email protected]>
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bundle failed version>=0.18.0

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