Rolldown, a Rust-based bundler for JavaScript and TypeScript, continues its active development with a focus on performance and feature enhancements. However, recent issues highlight critical bugs in module handling that could affect user adoption.
Recent issues and pull requests (PRs) in the Rolldown project reveal a focus on dependency updates (#2243, #2241), feature enhancements (#2242, #2235), and bug fixes (#2238, #2236). The PRs suggest a trajectory towards improving performance and usability, although some contributions remain stalled (e.g., #2188).
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Detailed Reports
SemanticBuilder::with_stats (#2230) 3 days ago; bumped oxc to v0.29.0 (#2228) 10 days ago.expand_typeof_replacements function (#2196) 5 days ago.| Timespan | Opened | Closed | Comments | Labeled | Milestones |
|---|---|---|---|---|---|
| 7 Days | 8 | 9 | 3 | 0 | 1 |
| 30 Days | 31 | 36 | 49 | 0 | 1 |
| 90 Days | 114 | 103 | 274 | 37 | 1 |
| All Time | 298 | 245 | - | - | - |
Like all software activity quantification, these numbers are imperfect but sometimes useful. Comments, Labels, and Milestones refer to those issues opened in the timespan in question.
| Developer | Avatar | Branches | PRs | Commits | Files | Changes |
|---|---|---|---|---|---|---|
| IWANABETHATGUY |  |
7 | 51/44/6 | 71 | 261 | 10298 |
| underfin |  |
4 | 41/38/2 | 46 | 153 | 8327 |
| Yunfei He |  |
1 | 38/38/0 | 39 | 214 | 4956 |
| renovate[bot] |  |
3 | 13/9/2 | 12 | 11 | 4224 |
| Boshen |  |
1 | 17/16/1 | 16 | 46 | 1420 |
| ikkz |  |
1 | 5/3/0 | 5 | 64 | 1236 |
| Ethan Goh |  |
1 | 6/4/1 | 4 | 53 | 384 |
| dalaoshu |  |
1 | 15/8/4 | 9 | 28 | 272 |
| _Kerman |  |
1 | 0/0/0 | 2 | 1 | 107 |
| AliceLanniste |  |
1 | 1/1/0 | 1 | 2 | 76 |
| overlookmotel |  |
1 | 2/2/0 | 2 | 7 | 50 |
| Kevin Deng 三咲智子 |  |
1 | 4/4/0 | 4 | 4 | 13 |
| LongYinan |  |
1 | 1/1/0 | 1 | 1 | 8 |
| Hiko |  |
1 | 1/1/0 | 1 | 1 | 3 |
| Kreijstal |  |
1 | 1/1/0 | 1 | 1 | 2 |
| 翠 / green |  |
1 | 1/1/0 | 1 | 1 | 2 |
| inottn |  |
1 | 2/1/0 | 1 | 1 | 1 |
| coderwei (coderwei99) | 0 | 1/0/1 | 0 | 0 | 0 |
PRs: created by that dev and opened/merged/closed-unmerged during the period
The GitHub repository for Rolldown has seen significant activity, with 53 open issues and a steady stream of recent updates. Notably, several issues are marked as "needs-triage," indicating that they require further attention or prioritization from the development team. A recurring theme is the presence of bugs related to module handling, particularly with CommonJS (CJS) and ECMAScript modules (ESM), which could impact the bundling process.
Several issues highlight critical bugs, such as #2208 regarding sourcemap generation and #2213 concerning the inability to call write multiple times. The presence of multiple unresolved bugs suggests potential instability in the current build process, which may hinder user adoption and confidence in the tool.
Issue #2224: [Feature Request]: Output File Name Flag
Issue #2213: [Bug]: Cannot call write twice
Issue #2207: [Bug]: should dedupe assets with same content
Issue #2206: [Bug]: [hash:6] in entryFileNames does not get replaced with hash
Issue #2174: build: enable no-console
Issue #2224: [Feature Request]: Output File Name Flag
Issue #2213: [Bug]: Cannot call write twice
Issue #2206: [Bug]: [hash:6] in entryFileNames does not get replaced with hash
Issue #2207: [Bug]: should dedupe assets with same content
Issue #2174: build: enable no-console
The issues reflect a mix of feature requests and bug reports, with a notable focus on improving module handling and output configurations. The frequent references to problems with CJS and ESM compatibility suggest that users are encountering challenges when trying to integrate Rolldown into existing projects that rely on these module systems.
Additionally, the presence of "needs-triage" labels across multiple issues indicates a backlog that may require prioritization to ensure critical bugs are addressed promptly. The community's engagement through feature requests also highlights a desire for enhanced functionality, such as better file naming conventions and improved handling of duplicate assets.
Overall, the current state of open issues suggests that while there is strong interest in Rolldown's capabilities, ongoing stability and usability improvements are essential for fostering user confidence and adoption.
The dataset includes a comprehensive list of 20 open pull requests (PRs) and numerous closed PRs for the Rolldown project, which is a Rust-based bundler for JavaScript and TypeScript. The PRs cover various aspects such as dependency updates, feature enhancements, bug fixes, and performance improvements.
PR #2243: chore(deps) - Updates various Rust crates to their latest versions. This is a routine maintenance task that ensures the project benefits from the latest features and bug fixes in its dependencies.
PR #2242: feat(plugin/transformer) - Introduces support for a targets key in options for the oxc_transformer. The author suggests consolidating two Transformer instances for performance optimization.
PR #2241: chore(deps) - Updates the npm-rolldown package and other dependencies. This is part of regular maintenance to keep dependencies up-to-date.
PR #2240: refactor - Prevents passing Env to normalize_binding_options, leveraging new features from the napi-rs library to improve code efficiency.
PR #2238: fix(filename_template) - Addresses an issue where [hash:6] in entryFileNames was not being replaced correctly with the hash value.
PR #2235: feat - Implements support for using oxc with React Refresh, although this PR is currently in draft status.
PR #2188: feat/filterable analyzer - Introduces a filterable analyzer feature but remains in draft status with ongoing discussions.
PR #2141: feat - Aims to provide warnings for empty non-null sourcemaps, reverting a previous change.
PR #2139: refactor - Aims to replace glob-match with fast-glob, improving performance by optimizing file matching.
PR #2098: feat(plugin/replace) - Introduces sourcemap functionality but is currently on hold due to unresolved issues regarding implementation.
PR #2239: fix - Correctly matches hashes in filenames but was closed without merging.
PR #2237: fix - Ensures inline sourcemaps emit correctly; successfully merged.
PR #2236: fix - Addresses handling of sourcemaps in CLI; successfully merged.
PR #2234: fix(hmr) - Fixes module AST replacement issues during hot module replacement (HMR); successfully merged.
Numerous other PRs focused on performance improvements, bug fixes, and feature enhancements have been closed, indicating active development and community engagement.
The analysis of the PRs reveals several key themes and trends within the Rolldown project:
A significant number of open PRs are dedicated to updating dependencies (e.g., PRs #2241, #2243). This reflects a proactive approach to maintaining the health of the codebase by ensuring that it stays current with upstream changes and improvements in libraries used within the project.
Several PRs focus on adding new features or enhancing existing ones (e.g., PRs #2242, #2235). The introduction of new capabilities like support for the targets key in transformer options indicates an ongoing effort to improve usability and functionality for developers using Rolldown.
There is a clear emphasis on addressing bugs (e.g., PRs #2238, #2236) and refactoring code (e.g., PRs #2240, #2139). This not only improves the reliability of the software but also enhances code quality and maintainability over time.
Performance is a recurring theme across many PRs, with efforts to optimize various aspects of the bundler (e.g., PRs #2220, #2192). The focus on performance aligns well with Rolldown's goal as a fast bundler written in Rust, catering to developers looking for efficient solutions.
The presence of numerous contributors and discussions within PR comments highlights an engaged community around Rolldown. Many contributors are actively seeking feedback and collaborating on improvements, which fosters a collaborative environment conducive to innovation and rapid development.
Some older PRs remain open or have been marked as drafts for extended periods (e.g., PRs like #2188), suggesting potential challenges in merging or finalizing these contributions. Addressing these stale contributions could enhance overall project momentum and encourage further community involvement.
Overall, the Rolldown project exhibits strong activity characterized by regular maintenance, feature enhancements, bug fixes, and performance optimizations. The active engagement from contributors indicates a healthy development ecosystem that is likely to continue evolving as it approaches production readiness. However, addressing stale contributions will be essential for maintaining momentum and fostering community engagement moving forward.
Ethan Goh (7086cmd)
Boshen
Yunfei He (hyf0)
IWANABETHATGUY
LongYinan (Brooooooklyn)
AliceLanniste
expand_typeof_replacements in plugin replace (#2196).Kevin Deng 三咲智子 (sxzz)
dalaoshu (shulaoda)
Overall, the Rolldown project is demonstrating healthy growth and development with a focus on enhancing its capabilities while addressing existing issues efficiently.