From 99680f06919c876b87e5dce251ae1209a580fc71 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <timneutkens@me.com>
Date: Fri, 13 Aug 2021 21:04:59 +0200
Subject: [PATCH 1/2] Add module type to build-module trace

---
 .../build/webpack/plugins/profiling-plugin.ts | 27 ++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/packages/next/build/webpack/plugins/profiling-plugin.ts b/packages/next/build/webpack/plugins/profiling-plugin.ts
index a091ec83a35153a..1bb3474ff4f1f27 100644
--- a/packages/next/build/webpack/plugins/profiling-plugin.ts
+++ b/packages/next/build/webpack/plugins/profiling-plugin.ts
@@ -99,7 +99,32 @@ export class ProfilingPlugin {
           return
         }
 
-        const span = trace('build-module', compilerSpan.id)
+        const moduleType = (() => {
+          if (!module.userRequest) {
+            return ''
+          }
+
+          if (module.userRequest.endsWith('.css')) {
+            return 'css'
+          }
+
+          if (module.userRequest.endsWith('.js')) {
+            return 'js'
+          }
+
+          if (module.userRequest.endsWith('.ts')) {
+            return 'ts'
+          }
+
+          if (module.userRequest.endsWith('.tsx')) {
+            return 'tsx'
+          }
+        })()
+
+        const span = trace(
+          `build-module${moduleType ? `-${moduleType}` : ''}`,
+          compilerSpan.id
+        )
         span.setAttribute('name', module.userRequest)
         spans.set(module, span)
       })

From cf6fa4587956d1a819a501e84a0a2f8ee487e60d Mon Sep 17 00:00:00 2001
From: Tim Neutkens <tim@timneutkens.nl>
Date: Mon, 16 Aug 2021 16:01:35 +0200
Subject: [PATCH 2/2] Update
 packages/next/build/webpack/plugins/profiling-plugin.ts

Co-authored-by: Steven <steven@ceriously.com>
---
 .../build/webpack/plugins/profiling-plugin.ts    | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/packages/next/build/webpack/plugins/profiling-plugin.ts b/packages/next/build/webpack/plugins/profiling-plugin.ts
index 1bb3474ff4f1f27..1e98defdef0392c 100644
--- a/packages/next/build/webpack/plugins/profiling-plugin.ts
+++ b/packages/next/build/webpack/plugins/profiling-plugin.ts
@@ -104,21 +104,7 @@ export class ProfilingPlugin {
             return ''
           }
 
-          if (module.userRequest.endsWith('.css')) {
-            return 'css'
-          }
-
-          if (module.userRequest.endsWith('.js')) {
-            return 'js'
-          }
-
-          if (module.userRequest.endsWith('.ts')) {
-            return 'ts'
-          }
-
-          if (module.userRequest.endsWith('.tsx')) {
-            return 'tsx'
-          }
+          return module.userRequest.split('.').pop()
         })()
 
         const span = trace(