fix: disallow extra properties in rule options (#751)

andreww2012 · JounQin · web-flow · commit cf52b306a533 · 2025-08-06T16:45:57.000+08:00
Co-authored-by: JounQin &lt;admin@1stg.me&gt;
diff --git a/.changeset/twelve-jokes-act.md b/.changeset/twelve-jokes-act.md
@@ -0,0 +1,5 @@
+---
+"eslint-plugin-prettier": patch
+---
+
+fix: disallow extra properties in rule options
diff --git a/eslint-plugin-prettier.js b/eslint-plugin-prettier.js
@@ -166,7 +166,7 @@ const eslintPluginPrettier = {
                 additionalProperties: true,
               },
             },
-            additionalProperties: true,
+            additionalProperties: false,
           },
         ],
         messages: {

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +"eslint-plugin-prettier": patch
 +---
++
 +fix: disallow extra properties in rule options