fix: align oxfmt json commas with lint

.vscode/settings.json

@@ -63,16 +63,13 @@
     "editor.defaultFormatter": "oxc.oxc-vscode"
   },
   "[json]": {
-    "editor.defaultFormatter": "vscode.json-language-features"
+    "editor.defaultFormatter": "oxc.oxc-vscode"
   },
   "[markdown]": {
     "editor.defaultFormatter": "oxc.oxc-vscode"
   },
   "[jsonc]": {
-    "editor.defaultFormatter": "vscode.json-language-features"
-  },
-  "[json5]": {
-    "editor.defaultFormatter": "vscode.json-language-features"
+    "editor.defaultFormatter": "oxc.oxc-vscode"
   },
   "[vue]": {
     "editor.defaultFormatter": "oxc.oxc-vscode"

internal/lint-configs/oxfmt-config/src/index.ts

@@ -9,6 +9,14 @@ const oxfmtConfig = defineOxfmtConfig({
   singleQuote: true,
   sortPackageJson: false,
   trailingComma: 'all',
+  overrides: [
+    {
+      files: ['**/*.json', '**/*.json5', '**/*.jsonc', '*.code-workspace'],
+      options: {
+        trailingComma: 'none',
+      },
+    },
+  ],
 });
 
 function defineConfig(config: OxfmtConfig = {}) {