From 48ba33ccc52f52ab55e2e642fa32e2834ac24a0d Mon Sep 17 00:00:00 2001
From: OJ Kwon <kwon.ohjoong@gmail.com>
Date: Thu, 21 Apr 2022 02:22:01 -0700
Subject: [PATCH] refactor(swc/trace): simplify config

---
 packages/next/build/webpack-config.ts | 13 ++++++-------
 packages/next/server/config-shared.ts |  5 +----
 2 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/packages/next/build/webpack-config.ts b/packages/next/build/webpack-config.ts
index 198ce287b371..8d6699094fb1 100644
--- a/packages/next/build/webpack-config.ts
+++ b/packages/next/build/webpack-config.ts
@@ -457,7 +457,7 @@ export default async function getBaseWebpackConfig(
   const getBabelOrSwcLoader = (isMiddleware: boolean, buildDir: string) => {
     if (
       useSWCLoader &&
-      config?.experimental?.swcTraceProfiling?.enabled &&
+      config?.experimental?.swcTraceProfiling &&
       !swcTraceFlushGuard
     ) {
       // This will init subscribers once only in a single process lifecycle,
@@ -465,12 +465,11 @@ export default async function getBaseWebpackConfig(
       // Subscriber need to be initialized _before_ any actual swc's call (transform, etcs)
       // to collect correct trace spans when they are called.
       swcTraceFlushGuard = require('./swc')?.initCustomTraceSubscriber?.(
-        config?.experimental?.swcTraceProfiling?.traceFileName ??
-          path.join(
-            buildDir,
-            config.distDir,
-            `swc-trace-profile-${Date.now()}.json`
-          )
+        path.join(
+          buildDir,
+          config.distDir,
+          `swc-trace-profile-${Date.now()}.json`
+        )
       )
     }
 
diff --git a/packages/next/server/config-shared.ts b/packages/next/server/config-shared.ts
index 7d4000583812..ef72d5ec1de2 100644
--- a/packages/next/server/config-shared.ts
+++ b/packages/next/server/config-shared.ts
@@ -128,10 +128,7 @@ export interface ExperimentalConfig {
       skipDefaultConversion?: boolean
     }
   >
-  swcTraceProfiling?: {
-    enabled: boolean
-    traceFileName?: string
-  }
+  swcTraceProfiling?: boolean
 }
 
 /**