chore: migrate to ESlint v9

app/eslint.config.mjs

@@ -0,0 +1,52 @@
+import createConfig from '@antfu/eslint-config'
+import sonarjs from 'eslint-plugin-sonarjs'
+
+export default createConfig(
+  {
+    stylistic: true,
+    ignores: ['**/version.json', 'tsconfig.json', 'tsconfig.node.json'],
+  },
+  sonarjs.configs.recommended,
+  {
+    name: '@nginx-ui/eslint-config',
+    rules: {
+      'no-console': 'warn',
+      'no-alert': 'warn',
+      'ts/no-explicit-any': 'warn',
+      'vue/no-unused-refs': 'warn',
+      'vue/prop-name-casing': 'warn',
+      'node/prefer-global/process': 'off',
+      'unused-imports/no-unused-vars': 'warn',
+
+      // https://eslint.org/docs/latest/rules/dot-notation
+      'style/dot-notation': 'off',
+
+      // https://eslint.org/docs/latest/rules/arrow-parens
+      'style/arrow-parens': ['error', 'as-needed'],
+
+      // https://eslint.org/docs/latest/rules/prefer-template
+      'prefer-template': 'error',
+
+      // https://eslint.style/rules/js/arrow-spacing
+      'style/arrow-spacing': ['error', { before: true, after: true }],
+
+      // https://github.com/un-ts/eslint-plugin-import-x/blob/master/docs/rules/prefer-default-export.md
+      'import/prefer-default-export': 'off',
+
+      // https://eslint.vuejs.org/rules/require-typed-ref
+      'vue/require-typed-ref': 'warn',
+
+      // https://eslint.vuejs.org/rules/require-prop-types
+      'vue/require-prop-types': 'warn',
+
+      // https://eslint.vuejs.org/rules/no-ref-as-operand.html
+      'vue/no-ref-as-operand': 'error',
+
+      // -- Sonarlint
+      'sonarjs/no-duplicate-string': 'off',
+      'sonarjs/no-nested-template-literals': 'off',
+      'sonarjs/pseudo-random': 'warn',
+      'sonarjs/no-nested-functions': 'off',
+    },
+  },
+)