From f329674ea1926512b2c99ee6a9485155d3a7db5b Mon Sep 17 00:00:00 2001
From: Tim Neutkens <timneutkens@me.com>
Date: Fri, 5 Feb 2021 14:06:22 +0100
Subject: [PATCH 1/3] Update reasons array to use module id instead of
 identifier

---
 packages/next/build/webpack/plugins/build-stats-plugin.ts | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/packages/next/build/webpack/plugins/build-stats-plugin.ts b/packages/next/build/webpack/plugins/build-stats-plugin.ts
index bf8c2bac203a8..83f2945b6cb6a 100644
--- a/packages/next/build/webpack/plugins/build-stats-plugin.ts
+++ b/packages/next/build/webpack/plugins/build-stats-plugin.ts
@@ -39,9 +39,7 @@ function reduceSize(stats: any) {
             reducedModule.reasons = []
           }
 
-          reducedModule.reasons.push({
-            moduleIdentifier: reason.moduleIdentifier,
-          })
+          reducedModule.reasons.push(reason.id)
         }
       }
       // Identifier is part of the Map

From 9a020016eb2920990f605edc93a6e0f6c26f99e2 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <timneutkens@me.com>
Date: Fri, 5 Feb 2021 14:10:50 +0100
Subject: [PATCH 2/3] Return object

---
 packages/next/build/webpack/plugins/build-stats-plugin.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/next/build/webpack/plugins/build-stats-plugin.ts b/packages/next/build/webpack/plugins/build-stats-plugin.ts
index 83f2945b6cb6a..f3ab340f4c62a 100644
--- a/packages/next/build/webpack/plugins/build-stats-plugin.ts
+++ b/packages/next/build/webpack/plugins/build-stats-plugin.ts
@@ -39,7 +39,9 @@ function reduceSize(stats: any) {
             reducedModule.reasons = []
           }
 
-          reducedModule.reasons.push(reason.id)
+          reducedModule.reasons.push({
+            id: reason.id,
+          })
         }
       }
       // Identifier is part of the Map

From 22d126f76b553366ba2ef8527dec7045b71ab3e7 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <timneutkens@me.com>
Date: Fri, 5 Feb 2021 16:48:18 +0100
Subject: [PATCH 3/3] Use name instead of identifier

---
 packages/next/build/webpack/plugins/build-stats-plugin.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/next/build/webpack/plugins/build-stats-plugin.ts b/packages/next/build/webpack/plugins/build-stats-plugin.ts
index f3ab340f4c62a..26d4918676071 100644
--- a/packages/next/build/webpack/plugins/build-stats-plugin.ts
+++ b/packages/next/build/webpack/plugins/build-stats-plugin.ts
@@ -18,7 +18,7 @@ function reduceSize(stats: any) {
     }
 
     for (const module of chunk.modules) {
-      if (!module.identifier) {
+      if (!module.name) {
         continue
       }
 
@@ -26,12 +26,12 @@ function reduceSize(stats: any) {
         type: module.type,
         moduleType: module.moduleType,
         size: module.size,
-        identifier: module.identifier,
+        name: module.name,
       }
 
       if (module.reasons) {
         for (const reason of module.reasons) {
-          if (!reason.moduleIdentifier) {
+          if (!reason.name) {
             continue
           }
 
@@ -44,7 +44,7 @@ function reduceSize(stats: any) {
           })
         }
       }
-      // Identifier is part of the Map
+
       modules.set(module.id, reducedModule)
 
       if (!reducedChunk.modules) {