tests

Author: dotcarmen

package.json

@@ -74,6 +74,7 @@
     "@commitlint/config-conventional": "^19.8.0",
     "@eslint-community/eslint-plugin-eslint-comments": "^4.4.1",
     "@eslint/js": "^9.23.0",
+    "@eslint/json": "^0.12.0",
     "@graphql-eslint/eslint-plugin": "^4.3.0",
     "@html-eslint/parser": "^0.41.0",
     "@prettier/plugin-pug": "^3.2.1",

pnpm-lock.yaml

@@ -0,0 +1,22 @@
+CODE:
+{
+"a": [
+"b",
+{"c":
+"d"}
+] }
+
+OUTPUT:
+{
+  "a": ["b", { "c": "d" }]
+}
+
+OPTIONS:
+[]
+
+ERRORS:
+[
+  {
+    message: 'Replace `"a":·[⏎"b",⏎{"c":⏎"d"}⏎]·` with `··"a":·["b",·{·"c":·"d"·}]⏎`',
+  },
+]

test/invalid/json.txt

@@ -25,6 +25,7 @@ import eslintPluginPug from 'eslint-plugin-pug';
 import vueEslintParser from 'vue-eslint-parser';
 import * as eslintPluginGraphql from '@graphql-eslint/eslint-plugin';
 import eslintMdx from 'eslint-mdx';
+import eslintPluginJson from '@eslint/json';
 
 const rule = eslintPluginPrettier.rules.prettier;
 const RuleTester =
@@ -380,6 +381,31 @@ runFixture('invalid-prettierrc/*', [
   ],
 ]);
 
+const jsonRuleTester = new RuleTester({
+  plugins: {
+    json: eslintPluginJson,
+  },
+  language: 'json/json',
+});
+
+jsonRuleTester.run('@eslint/json', rule, {
+  valid: [
+    {
+      code: '{}\n',
+      filename: 'empty.json',
+    },
+    {
+      code: '{ "foo": 1 }\n',
+      filename: 'simple.json',
+    },
+  ],
+  invalid: [
+    Object.assign(loadInvalidFixture('json'), {
+      filename: 'invalid.json',
+    }),
+  ],
+});
+
 // ------------------------------------------------------------------------------
 //  Helpers
 // ------------------------------------------------------------------------------