From 802cf7a1e91b24ea9b4105658fd75660455aee0c Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Mon, 30 Oct 2023 17:57:11 +0900
Subject: [PATCH] fix(schema): correctly set default cssnano config (#23980)

---
 packages/schema/src/config/postcss.ts | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/packages/schema/src/config/postcss.ts b/packages/schema/src/config/postcss.ts
index 19c44f7acd..a1be5bcec3 100644
--- a/packages/schema/src/config/postcss.ts
+++ b/packages/schema/src/config/postcss.ts
@@ -6,7 +6,7 @@ export default defineUntypedSchema({
      * Options for configuring PostCSS plugins.
      *
      * https://postcss.org/
-     * @type {Record<string, any>}
+     * @type {Record<string, any> & { autoprefixer?: any; cssnano?: any }}
      */
     plugins: {
       /**
@@ -14,14 +14,19 @@ export default defineUntypedSchema({
        */
       autoprefixer: {},
 
+      /**
+       * https://cssnano.co/docs/config-file/#configuration-options
+       */
       cssnano: {
-        $resolve: async (val, get) => val ?? !(await get('dev') && {
-          preset: ['default', {
-            // Keep quotes in font values to prevent from HEX conversion
-            // https://github.com/nuxt/nuxt/issues/6306
-            minifyFontValues: { removeQuotes: false }
-          }]
-        })
+        $resolve: async (val, get) => {
+          if (val || val === false) {
+            return val
+          }
+          if (await get('dev')) {
+            return false
+          }
+          return {}
+        }
       }
     }
   }