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feat(transformer): add ES2022 warnings #581

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Nov 3, 2025
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feat(transformer): add ES2022 warnings #581

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5 changes: 5 additions & 0 deletions src/docs/guide/usage/transformer/lowering.md
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Expand Up @@ -92,6 +92,11 @@ Oxc supports lowering the syntaxes below. Note that RegExp related transformatio

Oxc transformer emits warnings for the syntaxes below if the target runtime does not support them.

### ES2022

- Top level await (`await foo()`)
- Arbitrary module namespace identifiers (`import * as "f o o" from "bar"`)

### ES2020

- BigInt (`1n`)
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