From f6dad49af36015b7644d00d6e4bf4139c0fa0dab Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Wed, 29 Jul 2026 15:52:16 +0100
Subject: [PATCH] fix: avoid separate chunks for shared code

---
 nuxt.config.ts           | 16 ++++++++++++++++
 test/unit/bundle.spec.ts | 12 +++---------
 2 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/nuxt.config.ts b/nuxt.config.ts
index 13a0ecdc..7a2f97db 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -267,6 +267,22 @@ export default defineNuxtConfig({
       modulePreload: {
         polyfill: false,
       },
+      rollupOptions: {
+        output: {
+          // Merge modules shared between the entry and lazy chunks into a
+          // single chunk (excluding /admin js)
+          advancedChunks: {
+            groups: [
+              {
+                name: 'shared',
+                minShareCount: 2,
+                test: (id: string) =>
+                  !/[\\/](?:app[\\/](?:components|pages)[\\/]admin|shared[\\/](?:lex|cms)|node_modules[\\/](?:@formkit|@atproto|@atcute|multiformats|gsap|mediabunny|modern-screenshot))[\\/]/.test(id),
+              },
+            ],
+          },
+        },
+      },
     },
     vue: {
       features: {
diff --git a/test/unit/bundle.spec.ts b/test/unit/bundle.spec.ts
index f4f68d65..6d60a04b 100644
--- a/test/unit/bundle.spec.ts
+++ b/test/unit/bundle.spec.ts
@@ -55,7 +55,7 @@ describe('project sizes', () => {
 
     expect
       .soft(roundToKilobytes(stats.client.totalBytes))
-      .toMatchInlineSnapshot(`"290k"`)
+      .toMatchInlineSnapshot(`"288k"`)
     expect.soft(stats.client.files.map(f => f.replace(/\..*\.js/, '.js')).sort())
       .toMatchInlineSnapshot(`
         [
@@ -87,14 +87,8 @@ describe('project sizes', () => {
           "_nuxt/ProseTr.js",
           "_nuxt/ProseUl.js",
           "_nuxt/SocialPost.js",
-          "_nuxt/defu.js",
-          "_nuxt/dist.js",
           "_nuxt/entry.js",
-          "_nuxt/nuxt.js",
-          "_nuxt/ready.js",
-          "_nuxt/route-composables.js",
-          "_nuxt/runtime-core.js",
-          "_nuxt/virtual_nuxt_node_modules_.js",
+          "_nuxt/shared.js",
         ]
       `)
   })
@@ -103,7 +97,7 @@ describe('project sizes', () => {
     stats.server = await analyzeSizes(['**/*.mjs', '!node_modules'], serverDir)
     expect
       .soft(roundToKilobytes(stats.server.totalBytes, 10))
-      .toMatchInlineSnapshot(`"2990k"`)
+      .toMatchInlineSnapshot(`"2970k"`)
 
     const modules = await analyzeSizes('node_modules/**/*', serverDir)
     expect
-- 
2.51.2