feat: add env-flag for env-specific config (#357)

src/commands/_shared.ts

@@ -9,6 +9,13 @@ export const sharedArgs = {
   },
 } as const
 
+export const envNameArgs = {
+  envName: {
+    type: 'string',
+    description: 'Name of the build environment to use (see \'Environment overrides\' in the docs)',
+  },
+} as const
+
 export const legacyRootDirArgs = {
   rootDir: {
     type: 'positional',

src/commands/build.ts

@@ -6,7 +6,7 @@ import { loadKit } from '../utils/kit'
 import { clearBuildDir } from '../utils/fs'
 import { overrideEnv } from '../utils/env'
 import { showVersions } from '../utils/banner'
-import { sharedArgs, legacyRootDirArgs } from './_shared'
+import { sharedArgs, envNameArgs, legacyRootDirArgs } from './_shared'
 
 export default defineCommand({
   meta: {
@@ -27,6 +27,7 @@ export default defineCommand({
       type: 'string',
       description: 'Path to .env file',
     },
+    ...envNameArgs,
     ...legacyRootDirArgs,
   },
   async run(ctx) {
@@ -50,6 +51,7 @@ export default defineCommand({
         cwd,
         fileName: ctx.args.dotenv,
       },
+      envName: ctx.args.envName, // c12 will fall back to NODE_ENV
       overrides: {
         logLevel: ctx.args.logLevel as 'silent' | 'info' | 'verbose',
         // TODO: remove in 3.8

src/commands/dev-child.ts

@@ -5,7 +5,7 @@ import { isTest } from 'std-env'
 import { overrideEnv } from '../utils/env'
 import type { NuxtDevContext, NuxtDevIPCMessage } from '../utils/dev'
 import { createNuxtDevServer } from '../utils/dev'
-import { sharedArgs, legacyRootDirArgs } from './_shared'
+import { sharedArgs, envNameArgs, legacyRootDirArgs } from './_shared'
 
 export default defineCommand({
   meta: {
@@ -15,6 +15,7 @@ export default defineCommand({
   },
   args: {
     ...sharedArgs,
+    ...envNameArgs,
     ...legacyRootDirArgs,
   },
   async run(ctx) {
@@ -41,6 +42,7 @@ export default defineCommand({
       logLevel: ctx.args.logLevel as 'silent' | 'info' | 'verbose',
       clear: !!ctx.args.clear,
       dotenv: !!ctx.args.dotenv,
+      envName: ctx.args.envName,
       port: process.env._PORT ?? undefined,
       devContext,
     })

src/commands/dev.ts

@@ -17,7 +17,7 @@ import { loadKit } from '../utils/kit'
 import { importModule } from '../utils/esm'
 import { overrideEnv } from '../utils/env'
 import type { NuxtDevContext, NuxtDevIPCMessage } from '../utils/dev'
-import { sharedArgs, legacyRootDirArgs } from './_shared'
+import { sharedArgs, envNameArgs, legacyRootDirArgs } from './_shared'
 
 const forkSupported = !isBun && !isTest
 
@@ -28,6 +28,7 @@ const command = defineCommand({
   },
   args: {
     ...sharedArgs,
+    ...envNameArgs,
     ...legacyRootDirArgs,
     ...getListhenArgs(),
     dotenv: {
@@ -55,6 +56,7 @@ const command = defineCommand({
     const { loadNuxtConfig } = await loadKit(cwd)
     const nuxtOptions = await loadNuxtConfig({
       cwd,
+      envName: ctx.args.envName, // c12 will fall back to NODE_ENV
       overrides: {
         dev: true,
         logLevel: ctx.args.logLevel as 'silent' | 'info' | 'verbose',
@@ -81,6 +83,7 @@ const command = defineCommand({
           logLevel: ctx.args.logLevel as 'silent' | 'info' | 'verbose',
           clear: ctx.args.clear,
           dotenv: !!ctx.args.dotenv,
+          envName: ctx.args.envName,
           loadingTemplate: nuxtOptions.devServer.loadingTemplate,
           devContext: {},
         },

src/commands/generate.ts

@@ -1,7 +1,7 @@
 import { defineCommand } from 'citty'
 import buildCommand from './build'
 
-import { legacyRootDirArgs, sharedArgs } from './_shared'
+import { sharedArgs, envNameArgs, legacyRootDirArgs } from './_shared'
 
 export default defineCommand({
   meta: {
@@ -10,6 +10,7 @@ export default defineCommand({
   },
   args: {
     ...sharedArgs,
+    ...envNameArgs,
     ...legacyRootDirArgs,
     dotenv: {
       type: 'string',

src/commands/prepare.ts

@@ -7,7 +7,7 @@ import { defineCommand } from 'citty'
 import { clearBuildDir } from '../utils/fs'
 import { loadKit } from '../utils/kit'
 
-import { legacyRootDirArgs, sharedArgs } from './_shared'
+import { sharedArgs, envNameArgs, legacyRootDirArgs } from './_shared'
 
 export default defineCommand({
   meta: {
@@ -20,6 +20,7 @@ export default defineCommand({
       description: 'Path to .env file',
     },
     ...sharedArgs,
+    ...envNameArgs,
     ...legacyRootDirArgs,
   },
   async run(ctx) {
@@ -38,6 +39,7 @@ export default defineCommand({
         cwd,
         fileName: ctx.args.dotenv,
       },
+      envName: ctx.args.envName, // c12 will fall back to NODE_ENV
       overrides: {
         _prepare: true,
         logLevel: ctx.args.logLevel as 'silent' | 'info' | 'verbose',

src/commands/preview.ts

@@ -8,7 +8,7 @@ import { box, colors } from 'consola/utils'
 import { defineCommand } from 'citty'
 import { loadKit } from '../utils/kit'
 
-import { legacyRootDirArgs, sharedArgs } from './_shared'
+import { sharedArgs, envNameArgs, legacyRootDirArgs } from './_shared'
 
 export default defineCommand({
   meta: {
@@ -17,6 +17,7 @@ export default defineCommand({
   },
   args: {
     ...sharedArgs,
+    ...envNameArgs,
     ...legacyRootDirArgs,
     dotenv: {
       type: 'string',
@@ -31,6 +32,7 @@ export default defineCommand({
     const { loadNuxtConfig } = await loadKit(cwd)
     const config = await loadNuxtConfig({
       cwd,
+      envName: ctx.args.envName, // c12 will fall back to NODE_ENV
       overrides: /* ctx.options?.overrides || */ {},
     })
 

src/utils/dev.ts

@@ -32,6 +32,7 @@ export interface NuxtDevServerOptions {
   cwd: string
   logLevel: 'silent' | 'info' | 'verbose'
   dotenv: boolean
+  envName: string
   clear: boolean
   overrides: NuxtConfig
   port?: string | number
@@ -172,6 +173,7 @@ class NuxtDevServer extends EventEmitter {
       cwd: this.options.cwd,
       dev: true,
       ready: false,
+      envName: this.options.envName,
       overrides: {
         logLevel: this.options.logLevel as 'silent' | 'info' | 'verbose',
         vite: {