improve ux

Author: gaojude

packages/next/src/bin/next.ts

@@ -187,8 +187,8 @@ program
     'Comma-separated glob patterns or explicit paths for selective builds. Examples: "app/*", "app/page.tsx", "app/**/page.tsx"'
   )
   .option(
-    '--profiler',
-    'Creates a profiler build with source maps enabled, no minification, and React profiling.'
+    '--insights',
+    'Creates an insights build with source maps enabled, no minification, and React profiling.'
   )
   .action((directory: string, options: NextBuildOptions) => {
     if (options.experimentalNextConfigStripTypes) {

packages/next/src/build/build-context.ts

@@ -96,5 +96,5 @@ export const NextBuildContext: Partial<{
   isCompileMode?: boolean
   debugPrerender: boolean
   analyze: boolean
-  profiler: boolean
+  insights: boolean
 }> = {}

packages/next/src/build/define-env.ts

@@ -345,7 +345,7 @@ export function getDefineEnv({
       config.experimental.reactDebugChannel ?? false,
     'process.env.__NEXT_TRANSITION_INDICATOR':
       config.experimental.transitionIndicator ?? false,
-    'process.env.__NEXT_PROFILER_BUILD': config.profiler ?? false,
+    'process.env.__NEXT_INSIGHTS_BUILD': config.insights ?? false,
   }
 
   const userDefines = config.compiler?.define ?? {}

packages/next/src/build/index.ts

@@ -891,7 +891,7 @@ export default async function build(
   traceUploadUrl: string | undefined,
   debugBuildAppPaths?: string[],
   debugBuildPagePaths?: string[],
-  profiler = false
+  insights = false
 ): Promise<void> {
   const isCompileMode = experimentalBuildMode === 'compile'
   const isGenerateMode = experimentalBuildMode === 'generate'
@@ -914,7 +914,7 @@ export default async function build(
     NextBuildContext.reactProductionProfiling = reactProductionProfiling
     NextBuildContext.noMangling = noMangling
     NextBuildContext.debugPrerender = debugPrerender
-    NextBuildContext.profiler = profiler
+    NextBuildContext.insights = insights
 
     await nextBuildSpan.traceAsyncFn(async () => {
       // attempt to load global env values so they are available in next.config.js
@@ -934,7 +934,7 @@ export default async function build(
                 silent: false,
                 reactProductionProfiling,
                 debugPrerender,
-                profiler,
+                insights,
               }),
             turborepoAccessTraceResult
           )

packages/next/src/build/turbopack-build/impl.ts

@@ -230,7 +230,7 @@ export async function workerMain(workerData: {
     {
       debugPrerender: NextBuildContext.debugPrerender,
       reactProductionProfiling: NextBuildContext.reactProductionProfiling,
-      profiler: NextBuildContext.profiler,
+      insights: NextBuildContext.insights,
     }
   ))
   // Matches handling in build/index.ts

packages/next/src/build/webpack-build/impl.ts

@@ -390,7 +390,7 @@ export async function workerMain(workerData: {
     {
       debugPrerender: NextBuildContext.debugPrerender,
       reactProductionProfiling: NextBuildContext.reactProductionProfiling,
-      profiler: NextBuildContext.profiler,
+      insights: NextBuildContext.insights,
     }
   ))
   await installBindings(config.experimental?.useWasmBinary)

packages/next/src/build/webpack-config.ts

@@ -394,8 +394,8 @@ export default async function getBaseWebpackConfig(
 
   const hasAppDir = !!appDir
   const disableOptimizedLoading = true
-  // Combine reactProductionProfiling with profiler flag for React profiling builds
-  const enableReactProfiling = reactProductionProfiling || config.profiler
+  // Combine reactProductionProfiling with insights flag for React profiling builds
+  const enableReactProfiling = reactProductionProfiling || config.insights
   const bundledReactChannel = needsExperimentalReact(config)
     ? '-experimental'
     : ''

packages/next/src/cli/next-build.ts

@@ -21,7 +21,7 @@ export type NextBuildOptions = {
   debug?: boolean
   debugPrerender?: boolean
   profile?: boolean
-  profiler?: boolean
+  insights?: boolean
   mangling: boolean
   turbo?: boolean
   turbopack?: boolean
@@ -45,7 +45,7 @@ const nextBuild = async (options: NextBuildOptions, directory?: string) => {
     debugPrerender,
     experimentalDebugMemoryUsage,
     profile,
-    profiler,
+    insights,
     mangling,
     experimentalAppOnly,
     experimentalBuildMode,
@@ -86,9 +86,9 @@ const nextBuild = async (options: NextBuildOptions, directory?: string) => {
     )
   }
 
-  if (profiler) {
+  if (insights) {
     warn(
-      `Profiler build is enabled. ${italic(
+      `Insights build is enabled. ${italic(
         'Note: Source maps are enabled and minification is disabled. This build is not suitable for production.'
       )}`
     )
@@ -139,7 +139,7 @@ const nextBuild = async (options: NextBuildOptions, directory?: string) => {
     traceUploadUrl,
     resolvedAppPaths,
     resolvedPagePaths,
-    profiler
+    insights
   )
     .catch((err) => {
       if (experimentalDebugMemoryUsage) {

packages/next/src/client/app-bootstrap.ts

@@ -15,11 +15,11 @@ window.next = {
   appDir: true,
 }
 
-// Log profiler build info at startup
-if (process.env.__NEXT_PROFILER_BUILD) {
+// Log insights build info at startup
+if (process.env.__NEXT_INSIGHTS_BUILD) {
   console.log('')
   console.log(
-    '%c[Next.js Profiler Build]',
+    '%c[Next.js Insights Build]',
     'background: #0070f3; color: white; padding: 2px 6px; border-radius: 3px;',
     '\n• Source maps: enabled',
     '\n• Minification: disabled',

packages/next/src/client/index.tsx

@@ -50,11 +50,11 @@ import { isNextRouterError } from './components/is-next-router-error'
 
 /// <reference types="react-dom/experimental" />
 
-// Log profiler build info at startup
-if (process.env.__NEXT_PROFILER_BUILD) {
+// Log insights build info at startup
+if (process.env.__NEXT_INSIGHTS_BUILD) {
   console.log('')
   console.log(
-    '%c[Next.js Profiler Build]',
+    '%c[Next.js Insights Build]',
     'background: #0070f3; color: white; padding: 2px 6px; border-radius: 3px;',
     '\n• Source maps: enabled',
     '\n• Minification: disabled',