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oxc-project__oxc/tasks/coverage/README.md
Yuji Sugiura d9f7df8bc6 fix(ci): Update transform_conformance snapshots to make CI pass (#14981)
This fixes a CI failure caused by updating dependencies.
2025-10-27 16:45:07 +08:00

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# Coverage tests
Tools are tested against [test262], [babel] and [TypeScript] for conformance.
Clone the test repositories beforehand:
```bash
just submodules
```
## Development
```bash
# full run
cargo coverage
cargo coverage js # for test262
cargo coverage babel # for babel
cargo coverage ts # for typescript
# run in watch
cargo watch -x 'coverage js'
# filter for a file path
cargo watch -x 'coverage js --filter filter-file-path'
# find crash scene by turning off rayon and print out the test cases in serial
cargo coverage -- --debug
# Run after submodules are updated
UPDATE_SNAPSHOT=1 just c
```
<!-- Links -->
[test262]: https://github.com/tc39/test262
[babel]: https://github.com/babel/babel
[TypeScript]: https://github.com/microsoft/TypeScript