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Add note about upload_source_maps inference in Vite plugin #28146

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jamesopstad merged 2 commits into from
Feb 11, 2026
Merged

Add note about upload_source_maps inference in Vite plugin #28146

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Add note about `upload_source_maps` inference in Vite plugin
jamesopstad Feb 6, 2026
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jamesopstad Feb 11, 2026
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18 changes: 12 additions & 6 deletions src/content/docs/workers/vite-plugin/reference/migrating-from-wrangler-dev.mdx
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Expand Up @@ -46,11 +46,17 @@ The following build-related options are handled by Vite and are not applicable w

The following options have Vite equivalents that should be used instead:

| Wrangler option | Vite equivalent |
| --- | --- |
| `define` | [`define`](https://vite.dev/config/shared-options.html#define) |
| `alias` | [`resolve.alias`](https://vite.dev/config/shared-options.html#resolve-alias) |
| `minify` | [`build.minify`](https://vite.dev/config/build-options.html#build-minify) |
| Local dev settings (`ip`, `port`, `local_protocol`, etc.) | [Server options](https://vite.dev/config/server-options.html) |
| Wrangler option | Vite equivalent |
| --------------------------------------------------------- | ---------------------------------------------------------------------------- |
| `define` | [`define`](https://vite.dev/config/shared-options.html#define) |
| `alias` | [`resolve.alias`](https://vite.dev/config/shared-options.html#resolve-alias) |
| `minify` | [`build.minify`](https://vite.dev/config/build-options.html#build-minify) |
| Local dev settings (`ip`, `port`, `local_protocol`, etc.) | [Server options](https://vite.dev/config/server-options.html) |

See [Vite Environments](/workers/vite-plugin/reference/vite-environments/) for more information about configuring your Worker environments in Vite.

### Inferred

If [build.sourcemap](https://vite.dev/config/build-options#build-sourcemap) is enabled for a given Worker environment in the Vite config, `"upload_source_maps": true` is automatically added to the output Wrangler configuration file.
This means that generated sourcemaps are uploaded by default.
To override this setting, you can set the value of `upload_source_maps` explicitly in the input Worker config.
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