From eb8e9169d6e0538b8c9a2adecae6d9bea37408a4 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Tue, 9 May 2023 16:57:23 +0100
Subject: [PATCH] fix(nuxt): generate empty sourcemaps for wrappers (#20744)

---
 packages/nuxt/src/components/transform.ts | 48 +++++++++++++----------
 1 file changed, 27 insertions(+), 21 deletions(-)

diff --git a/packages/nuxt/src/components/transform.ts b/packages/nuxt/src/components/transform.ts
index 2a6c5dba6e..e4bda7dcbf 100644
--- a/packages/nuxt/src/components/transform.ts
+++ b/packages/nuxt/src/components/transform.ts
@@ -53,30 +53,37 @@ export function createTransformPlugin (nuxt: Nuxt, getComponents: getComponentsT
         const mode = query.nuxt_component
         const bare = id.replace(/\?.*/, '')
         if (mode === 'async') {
-          return [
-            'import { defineAsyncComponent } from "vue"',
-            `export default defineAsyncComponent(() => import(${JSON.stringify(bare)}).then(r => r.default))`
-          ].join('\n')
+          return {
+            code: [
+              'import { defineAsyncComponent } from "vue"',
+              `export default defineAsyncComponent(() => import(${JSON.stringify(bare)}).then(r => r.default))`
+            ].join('\n'),
+            map: null
+          }
         } else if (mode === 'client') {
-          return [
-            `import __component from ${JSON.stringify(bare)}`,
-            'import { createClientOnly } from "#app/components/client-only"',
-            'export default createClientOnly(__component)'
-          ].join('\n')
+          return {
+            code: [
+              `import __component from ${JSON.stringify(bare)}`,
+              'import { createClientOnly } from "#app/components/client-only"',
+              'export default createClientOnly(__component)'
+            ].join('\n'),
+            map: null
+          }
         } else if (mode === 'client,async') {
-          return [
-            'import { defineAsyncComponent } from "vue"',
-            'import { createClientOnly } from "#app/components/client-only"',
-            `export default defineAsyncComponent(() => import(${JSON.stringify(bare)}).then(r => createClientOnly(r.default)))`
-          ].join('\n')
+          return {
+            code: [
+              'import { defineAsyncComponent } from "vue"',
+              'import { createClientOnly } from "#app/components/client-only"',
+              `export default defineAsyncComponent(() => import(${JSON.stringify(bare)}).then(r => createClientOnly(r.default)))`
+            ].join('\n'),
+            map: null
+          }
         } else {
           throw new Error(`Unknown component mode: ${mode}, this might be an internal bug of Nuxt.`)
         }
       }
 
-      if (!code.includes('#components')) {
-        return null
-      }
+      if (!code.includes('#components')) { return }
 
       componentUnimport.modifyDynamicImports((imports) => {
         imports.length = 0
@@ -85,12 +92,11 @@ export function createTransformPlugin (nuxt: Nuxt, getComponents: getComponentsT
       })
 
       const result = await componentUnimport.injectImports(code, id, { autoImport: false, transformVirtualImports: true })
-      if (!result) {
-        return null
-      }
+      if (!result) { return }
+
       return {
         code: result.code,
-        map: nuxt.options.sourcemap
+        map: nuxt.options.sourcemap.server || nuxt.options.sourcemap.client
           ? result.s.generateMap({ hires: true })
           : undefined
       }