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docs: suggest import.meta.hot.accept in server entry #2061

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Jul 14, 2025
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docs: suggest import.meta.hot.accept in server entry #2061

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11 changes: 11 additions & 0 deletions guide/api-environment-frameworks.md
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Expand Up @@ -103,6 +103,17 @@ app.use('*', async (req, res, next) => {
})
```

HMR をサポートする環境（`RunnableDevEnvironment` など）を使用する場合は、最適な動作を得るために、サーバーエントリファイルに `import.meta.hot.accept()` を追加する必要があります。これを行わないと、サーバーファイルの変更によってサーバーモジュールグラフ全体が無効になります:

```js
// src/entry-server.js
export function render(...) { ... }

if (import.meta.hot) {
import.meta.hot.accept()
}
```

### `FetchableDevEnvironment`

:::info
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