Move PostCSS config to package.json

.eslintrc.json

@@ -10,17 +10,11 @@
   },
   "overrides": [
     {
-      "files": ["postcss.config.js", "vite.config.js"],
+      "files": ["vite.config.js"],
       "env": {
         "node": true,
         "browser": false
       }
-    },
-    {
-      "files": ["postcss.config.js"],
-      "rules": {
-        "unicorn/prefer-module": 0
-      }
     }
   ]
 }

package.json

@@ -66,6 +66,14 @@
     "size-limit": "^8.1.0",
     "vite": "^4.0.4"
   },
+  "postcss": {
+    "plugins": {
+      "postcss-css-variables": {},
+      "postcss-calc": {},
+      "autoprefixer": {},
+      "postcss-csso": {}
+    }
+  },
   "size-limit": [
     {
       "limit": "7 KB",
@@ -81,6 +89,9 @@
   },
   "clean-publish": {
     "withoutPublish": true,
-    "tempDir": "package"
+    "tempDir": "package",
+    "fields": [
+      "postcss"
+    ]
   }
 }

postcss.config.cjs

@@ -1,11 +0,0 @@
-module.exports = {
-  map: {
-    inline: false,
-  },
-  plugins: [
-    require("postcss-css-variables"),
-    require("postcss-calc"),
-    require("autoprefixer"),
-    require("postcss-csso"),
-  ],
-};