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fix(plugin-swc): skip HMR preamble in Vitest browser mode #478

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Merged
merged 1 commit into from
May 19, 2025
Merged

fix(plugin-swc): skip HMR preamble in Vitest browser mode #478

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4 changes: 4 additions & 0 deletions packages/plugin-react-swc/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,10 @@

## Unreleased

### Skip HMR preamble in Vitest browser mode

This was causing annoying `Sourcemap for "/@react-refresh" points to missing source files` and is unnecessary in test mode.

## 3.9.0 (2025-04-15)

### Make compatible with rolldown-vite
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18 changes: 11 additions & 7 deletions packages/plugin-react-swc/src/index.ts
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Expand Up @@ -132,13 +132,17 @@ const react = (_options?: Options): PluginOption[] => {
)
}
},
transformIndexHtml: (_, config) => [
{
tag: 'script',
attrs: { type: 'module' },
children: getPreambleCode(config.server!.config.base),
},
],
transformIndexHtml: (_, config) => {
if (!hmrDisabled) {
return [
{
tag: 'script',
attrs: { type: 'module' },
children: getPreambleCode(config.server!.config.base),
},
]
}
},
async transform(code, _id, transformOptions) {
const id = _id.split('?')[0]
const refresh = !transformOptions?.ssr && !hmrDisabled
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