From b02368a15b82db4cfb8c4e91b08cce8bd41e8f0a Mon Sep 17 00:00:00 2001
From: Yvv <yves@pervier.com>
Date: Fri, 27 Feb 2026 20:36:37 +0100
Subject: [PATCH] Fix build prod : Pinia CJS default import crash Node 22+
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Pinia résout vers pinia.prod.cjs en production, Rollup convertit
require('vue') en default import ESM invalide. Script post-build
remplace par un namespace import (* as).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 nuxt.config.ts              |  1 +
 package.json                |  2 +-
 scripts/fix-esm-imports.mjs | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 scripts/fix-esm-imports.mjs

diff --git a/nuxt.config.ts b/nuxt.config.ts
index 2117de7..45eeb2c 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -44,4 +44,5 @@ export default defineNuxtConfig({
       siteUrl: 'https://librodrome.org',
     },
   },
+
 })
diff --git a/package.json b/package.json
index d33bf08..4a7445d 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "type": "module",
   "private": true,
   "scripts": {
-    "build": "nuxt build",
+    "build": "nuxt build && node scripts/fix-esm-imports.mjs",
     "dev": "nuxt dev",
     "generate": "nuxt generate",
     "preview": "nuxt preview",
diff --git a/scripts/fix-esm-imports.mjs b/scripts/fix-esm-imports.mjs
new file mode 100644
index 0000000..5425d38
--- /dev/null
+++ b/scripts/fix-esm-imports.mjs
@@ -0,0 +1,35 @@
+/**
+ * Post-build fix: Pinia CJS (pinia.prod.cjs) fait require('vue').
+ * Rollup convertit ça en `import require$$0 from 'vue'` (default import).
+ * Vue 3 n'a pas de default export en ESM → crash Node 22+.
+ *
+ * Ce script remplace le default import par un namespace import valide.
+ */
+import { readFileSync, writeFileSync, existsSync } from 'node:fs'
+
+const file = '.output/server/chunks/build/server.mjs'
+
+if (!existsSync(file)) {
+  console.log('[fix-esm] server.mjs not found, skipping')
+  process.exit(0)
+}
+
+let code = readFileSync(file, 'utf-8')
+
+// Pattern: import require$$0, { defineComponent, inject, ... } from 'vue'
+// → import * as require$$0 from 'vue'; import { defineComponent, ... } from 'vue'
+const re = /import\s+(require\$\$\d+)\s*,\s*\{([^}]+)\}\s*from\s*'vue'/g
+let patched = false
+
+code = code.replace(re, (match, varName, namedStr) => {
+  patched = true
+  const names = namedStr.split(',').map(n => n.trim()).filter(Boolean)
+  return `import * as ${varName} from 'vue'; import { ${names.join(', ')} } from 'vue'`
+})
+
+if (patched) {
+  writeFileSync(file, code)
+  console.log('[fix-esm] Patched default import from vue in server.mjs')
+} else {
+  console.log('[fix-esm] No default import found, nothing to patch')
+}