oxc-project / oxc-project/backlog
☂️ Oxc Ast Changes
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@camc314 is already working on this.
Since Jul 21, 2026.
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Description
This is an umbrella issue to track the breaking AST changes we are planning to make this quarter to enable us to tighten us our AST, and make invalid states irrepresentable
To Do
- https://github.com/oxc-project/backlog/issues/221
- https://github.com/oxc-project/backlog/issues/222
- https://github.com/oxc-project/backlog/issues/223
- https://github.com/oxc-project/backlog/issues/224
- https://github.com/oxc-project/backlog/issues/238
- https://github.com/oxc-project/backlog/issues/241
Open Questions
Proposed
- https://github.com/oxc-project/backlog/issues/233
- https://github.com/oxc-project/backlog/issues/213
- https://github.com/oxc-project/backlog/issues/217
- https://github.com/oxc-project/backlog/issues/220
- https://github.com/oxc-project/backlog/issues/235
- https://github.com/oxc-project/backlog/issues/212
- https://github.com/oxc-project/backlog/issues/244
- https://github.com/oxc-project/backlog/issues/229
- https://github.com/oxc-project/backlog/issues/230
- https://github.com/oxc-project/backlog/issues/231
- https://github.com/oxc-project/backlog/issues/242
- https://github.com/oxc-project/backlog/issues/236
- https://github.com/oxc-project/backlog/issues/245
In Progress
Completed
- https://github.com/oxc-project/oxc/pull/24557
- Remaining edge case: https://github.com/oxc-project/backlog/issues/227
- https://github.com/oxc-project/oxc/issues/25682
- https://github.com/oxc-project/oxc/issues/25683
- https://github.com/oxc-project/oxc/issues/25684
- https://github.com/oxc-project/oxc/issues/25685
- https://github.com/oxc-project/oxc/issues/25686
- https://github.com/oxc-project/oxc/issues/25687
- https://github.com/oxc-project/oxc/issues/25688
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Assessment
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