feat(cli): build --profile (#10719)

Author: ArnaudBarre

packages/vite/src/node/cli.ts

@@ -1,3 +1,5 @@
+import path from 'node:path'
+import fs from 'node:fs'
 import { performance } from 'node:perf_hooks'
 import { cac } from 'cac'
 import colors from 'picocolors'
@@ -28,6 +30,27 @@ interface GlobalCLIOptions {
   force?: boolean
 }
 
+export const stopProfiler = (log: (message: string) => void): void => {
+  // @ts-ignore
+  const profileSession = global.__vite_profile_session
+  if (profileSession) {
+    profileSession.post('Profiler.stop', (err: any, { profile }: any) => {
+      // Write profile to disk, upload, etc.
+      if (!err) {
+        const outPath = path.resolve('./vite-profile.cpuprofile')
+        fs.writeFileSync(outPath, JSON.stringify(profile))
+        log(
+          colors.yellow(
+            `CPU profile written to ${colors.white(colors.dim(outPath))}`
+          )
+        )
+      } else {
+        throw err
+      }
+    })
+  }
+}
+
 const filterDuplicateOptions = <T extends object>(options: T) => {
   for (const [key, value] of Object.entries(options)) {
     if (Array.isArray(value)) {
@@ -125,11 +148,13 @@ cli
       )
 
       server.printUrls()
+      stopProfiler((message) => server.config.logger.info(`  ${message}`))
     } catch (e) {
-      createLogger(options.logLevel).error(
-        colors.red(`error when starting dev server:\n${e.stack}`),
-        { error: e }
-      )
+      const logger = createLogger(options.logLevel)
+      logger.error(colors.red(`error when starting dev server:\n${e.stack}`), {
+        error: e
+      })
+      stopProfiler(logger.info)
       process.exit(1)
     }
   })
@@ -193,6 +218,8 @@ cli
         { error: e }
       )
       process.exit(1)
+    } finally {
+      stopProfiler((message) => createLogger(options.logLevel).info(message))
     }
   })
 
@@ -276,6 +303,8 @@ cli
           { error: e }
         )
         process.exit(1)
+      } finally {
+        stopProfiler((message) => createLogger(options.logLevel).info(message))
       }
     }
   )

packages/vite/src/node/server/index.ts

@@ -1,4 +1,3 @@
-import fs from 'node:fs'
 import path from 'node:path'
 import type * as net from 'node:net'
 import type * as http from 'node:http'
@@ -650,7 +649,6 @@ async function startServer(
   const hostname = await resolveHostname(options.host)
 
   const protocol = options.https ? 'https' : 'http'
-  const info = server.config.logger.info
 
   const serverPort = await httpServerStart(httpServer, {
     port,
@@ -659,25 +657,6 @@ async function startServer(
     logger: server.config.logger
   })
 
-  // @ts-ignore
-  const profileSession = global.__vite_profile_session
-  if (profileSession) {
-    profileSession.post('Profiler.stop', (err: any, { profile }: any) => {
-      // Write profile to disk, upload, etc.
-      if (!err) {
-        const outPath = path.resolve('./vite-profile.cpuprofile')
-        fs.writeFileSync(outPath, JSON.stringify(profile))
-        info(
-          colors.yellow(
-            `  CPU profile written to ${colors.white(colors.dim(outPath))}\n`
-          )
-        )
-      } else {
-        throw err
-      }
-    })
-  }
-
   if (options.open && !isRestart) {
     const path =
       typeof options.open === 'string' ? options.open : server.config.base