From 45824edeeeb1fd25ad8102622f0b01a0143d455d Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Sun, 17 Nov 2024 11:52:05 -0500
Subject: [PATCH] fix(nuxt): handle empty plugin files

---
 .../nuxt/src/core/plugins/plugin-metadata.ts     | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/packages/nuxt/src/core/plugins/plugin-metadata.ts b/packages/nuxt/src/core/plugins/plugin-metadata.ts
index db6fad7b54..bf2d64c422 100644
--- a/packages/nuxt/src/core/plugins/plugin-metadata.ts
+++ b/packages/nuxt/src/core/plugins/plugin-metadata.ts
@@ -125,18 +125,26 @@ export const RemovePluginMetadataPlugin = (nuxt: Nuxt) => createUnplugin(() => {
       const plugin = nuxt.apps.default?.plugins.find(p => p.src === id)
       if (!plugin) { return }
 
-      const s = new MagicString(code)
+      if (!code.trim()) {
+        logger.warn(`Plugin \`${plugin.src}\` has no content.`)
+
+        return {
+          code: 'export default () => {}',
+          map: { mappings: '' },
+        }
+      }
+
       const exports = findExports(code)
       const defaultExport = exports.find(e => e.type === 'default' || e.name === 'default')
       if (!defaultExport) {
         logger.warn(`Plugin \`${plugin.src}\` has no default export and will be ignored at build time. Add \`export default defineNuxtPlugin(() => {})\` to your plugin.`)
-        s.overwrite(0, code.length, 'export default () => {}')
         return {
-          code: s.toString(),
-          map: nuxt.options.sourcemap.client || nuxt.options.sourcemap.server ? s.generateMap({ hires: true }) : null,
+          code: 'export default () => {}',
+          map: { mappings: '' },
         }
       }
 
+      const s = new MagicString(code)
       let wrapped = false
       const wrapperNames = new Set(['defineNuxtPlugin', 'definePayloadPlugin'])