fix(nuxt,schema,vite,webpack): analyze w/o overriding config (#23856)

packages/nuxt/src/core/nitro.ts

@@ -78,11 +78,13 @@ export async function initNitro (nuxt: Nuxt & { _nitro?: Nitro }) {
     esbuild: {
       options: { exclude: excludePattern }
     },
-    analyze: nuxt.options.build.analyze && {
-      template: 'treemap',
-      projectRoot: nuxt.options.rootDir,
-      filename: join(nuxt.options.analyzeDir, '{name}.html')
-    },
+    analyze: nuxt.options.build.analyze && (nuxt.options.build.analyze === true || nuxt.options.build.analyze.enabled)
+      ? {
+          template: 'treemap',
+          projectRoot: nuxt.options.rootDir,
+          filename: join(nuxt.options.analyzeDir, '{name}.html')
+        }
+      : false,
     scanDirs: nuxt.options._layers.map(layer => (layer.config.serverDir || layer.config.srcDir) && resolve(layer.cwd, layer.config.serverDir || resolve(layer.config.srcDir, 'server'))).filter(Boolean),
     renderer: resolve(distDir, 'core/runtime/nitro/renderer'),
     errorHandler: resolve(distDir, 'core/runtime/nitro/error'),

packages/schema/src/config/build.ts

@@ -97,7 +97,7 @@ export default defineUntypedSchema({
     templates: [],
 
     /**
-     * Nuxt uses `webpack-bundle-analyzer` to visualize your bundles and how to optimize them.
+     * Nuxt allows visualizing your bundles and how to optimize them.
      *
      * Set to `true` to enable bundle analysis, or pass an object with options: [for webpack](https://github.com/webpack-contrib/webpack-bundle-analyzer#options-for-plugin) or [for vite](https://github.com/btd/rollup-plugin-visualizer#options).
      * @example
@@ -106,20 +106,17 @@ export default defineUntypedSchema({
      *   analyzerMode: 'static'
      * }
      * ```
-     * @type {boolean | typeof import('webpack-bundle-analyzer').BundleAnalyzerPlugin.Options | typeof import('rollup-plugin-visualizer').PluginVisualizerOptions}
+     * @type {boolean | { enabled?: boolean } & ((0 extends 1 & typeof import('webpack-bundle-analyzer').BundleAnalyzerPlugin.Options ? {} : typeof import('webpack-bundle-analyzer').BundleAnalyzerPlugin.Options) | typeof import('rollup-plugin-visualizer').PluginVisualizerOptions)}
      */
     analyze: {
       $resolve: async (val, get) => {
-        if (val !== true) {
-          return val ?? false
-        }
         const rootDir = await get('rootDir')
         const analyzeDir = await get('analyzeDir')
-        return {
+        return defu(typeof val === 'boolean' ? { enabled: val } : val, {
           template: 'treemap',
           projectRoot: rootDir,
           filename: join(analyzeDir, '{name}.html')
-        }
+        })
       }
     }
   },

packages/schema/src/config/webpack.ts

@@ -1,4 +1,4 @@
-import { join } from 'pathe'
+import { defu } from 'defu'
 import { defineUntypedSchema } from 'untyped'
 
 export default defineUntypedSchema({
@@ -13,20 +13,11 @@ export default defineUntypedSchema({
      *   analyzerMode: 'static'
      * }
      * ```
-     * @type {boolean | typeof import('webpack-bundle-analyzer').BundleAnalyzerPlugin.Options}
+     * @type {boolean | { enabled?: boolean } & typeof import('webpack-bundle-analyzer').BundleAnalyzerPlugin.Options}
      */
     analyze: {
       $resolve: async (val, get) => {
-        if (val !== true) {
-          return val ?? false
-        }
-        const rootDir = await get('rootDir')
-        const analyzeDir = await get('analyzeDir')
-        return {
-          template: 'treemap',
-          projectRoot: rootDir,
-          filename: join(analyzeDir, '{name}.html')
-        }
+        return defu(val, await get('build.analyze'))
       }
     },
 

packages/vite/src/client.ts

@@ -129,7 +129,7 @@ export async function buildClient (ctx: ViteBuildContext) {
   }
 
   // Add analyze plugin if needed
-  if (ctx.nuxt.options.build.analyze) {
+  if (ctx.nuxt.options.build.analyze && (ctx.nuxt.options.build.analyze === true || ctx.nuxt.options.build.analyze.enabled)) {
     clientConfig.plugins!.push(...await import('./plugins/analyze').then(r => r.analyzePlugin(ctx)))
   }
 

packages/vite/src/plugins/analyze.ts

@@ -1,10 +1,13 @@
 import type { Plugin } from 'vite'
 import { transform } from 'esbuild'
 import { visualizer } from 'rollup-plugin-visualizer'
+import defu from 'defu'
+import type { NuxtOptions } from 'nuxt/schema'
 import type { ViteBuildContext } from '../vite'
 
 export function analyzePlugin (ctx: ViteBuildContext): Plugin[] {
-  if (typeof ctx.nuxt.options.build.analyze === 'boolean') { return [] }
+  const analyzeOptions = defu({}, ctx.nuxt.options.build.analyze) as Exclude<NuxtOptions['build']['analyze'], boolean>
+  if (!analyzeOptions.enabled) { return [] }
 
   return [
     {
@@ -22,8 +25,8 @@ export function analyzePlugin (ctx: ViteBuildContext): Plugin[] {
       }
     },
     visualizer({
-      ...ctx.nuxt.options.build.analyze,
-      filename: 'filename' in ctx.nuxt.options.build.analyze ? ctx.nuxt.options.build.analyze.filename!.replace('{name}', 'client') : undefined,
+      ...analyzeOptions,
+      filename: 'filename' in analyzeOptions ? analyzeOptions.filename!.replace('{name}', 'client') : undefined,
       title: 'Client bundle stats',
       gzipSize: true
     })

packages/webpack/src/configs/client.ts

@@ -83,7 +83,7 @@ function clientOptimization (_ctx: WebpackConfigContext) {
 function clientPlugins (ctx: WebpackConfigContext) {
   // webpack Bundle Analyzer
   // https://github.com/webpack-contrib/webpack-bundle-analyzer
-  if (!ctx.isDev && ctx.name === 'client' && ctx.userConfig.analyze) {
+  if (!ctx.isDev && ctx.name === 'client' && ctx.userConfig.analyze && (ctx.userConfig.analyze === true || ctx.userConfig.analyze.enabled)) {
     const statsDir = resolve(ctx.options.analyzeDir)
 
     ctx.config.plugins!.push(new BundleAnalyzerPlugin({