fix(nuxi): load .env file before starting dev server

packages/nuxi/src/commands/dev.ts

@@ -4,6 +4,7 @@ import { debounce } from 'perfect-debounce'
 import type { Nuxt } from '@nuxt/schema'
 import consola from 'consola'
 import { withTrailingSlash } from 'ufo'
+import { setupDotenv } from 'c12'
 import { showBanner } from '../utils/banner'
 import { writeTypes } from '../utils/prepare'
 import { loadKit } from '../utils/kit'
@@ -33,6 +34,9 @@ export default defineNuxtCommand({
       return currentHandler ? currentHandler(req, res) : loadingHandler(req, res)
     }
 
+    const rootDir = resolve(args._[0] || '.')
+    await setupDotenv({ cwd: rootDir })
+
     const listener = await listen(serverHandler, {
       showURL: false,
       clipboard: args.clipboard,
@@ -46,8 +50,6 @@ export default defineNuxtCommand({
       }
     })
 
-    const rootDir = resolve(args._[0] || '.')
-
     const { loadNuxt, buildNuxt } = await loadKit(rootDir)
 
     let currentNuxt: Nuxt

packages/nuxi/src/commands/preview.ts

@@ -1,7 +1,7 @@
 import { existsSync, promises as fsp } from 'node:fs'
 import { dirname, relative } from 'node:path'
 import { execa } from 'execa'
-import { loadDotenv } from 'c12'
+import { setupDotenv } from 'c12'
 import { resolve } from 'pathe'
 import consola from 'consola'
 
@@ -37,7 +37,7 @@ export default defineNuxtCommand({
 
     if (existsSync(resolve(rootDir, '.env'))) {
       consola.info('Loading `.env`. This will not be loaded when running the server in production.')
-      process.env = await loadDotenv({ cwd: rootDir, fileName: '.env', env: process.env })
+      await setupDotenv({ cwd: rootDir })
     }
 
     consola.info('Starting preview command:', nitroJSON.commands.preview)