feat: support eslint 9 (#107)

Closes #93

README.md

@@ -15,14 +15,27 @@ This package is for migrating from Vuetify v2 to v3, use [eslint-plugin-vuetify@
 
 ## 💿 Install
 
-You should have [`eslint`](https://eslint.org/docs/user-guide/getting-started) and [`eslint-plugin-vue`](https://eslint.vuejs.org/user-guide/#installation) set up first.
+You should have [`eslint`](https://eslint.org/docs/latest/use/getting-started) and [`eslint-plugin-vue`](https://eslint.vuejs.org/user-guide/#installation) set up first.
 
 ```bash
 yarn add eslint-plugin-vuetify -D
 # OR
 npm install eslint-plugin-vuetify --save-dev
 ```
 
+```js
+// eslint.config.js
+import vue from 'eslint-plugin-vue'
+import vuetify from 'eslint-plugin-vuetify'
+
+export default [
+  ...vue.configs['flat/base'],
+  ...vuetify.configs['flat/base'],
+]
+```
+
+Eslint 8 can alternatively use the older configuration format:
+
 ```js
 // .eslintrc.js
 module.exports = {
@@ -40,7 +53,7 @@ module.exports = {
 
 ### Deprecations
 
-These rules will help you avoid deprecated components, props, and classes. They are included in the `plugin:vuetify/base` preset.
+These rules will help you avoid deprecated components, props, and classes. They are included in the `base` preset.
 
 - Prevent the use of components that have been removed from Vuetify ([`no-deprecated-components`])
 - Prevent the use of props that have been removed from Vuetify ([`no-deprecated-props`])
@@ -52,7 +65,7 @@ These rules will help you avoid deprecated components, props, and classes. They
 
 ### Grid system
 
-These rules are designed to help migrate to the new grid system in Vuetify v2. They are included in the `plugin:vuetify/recommended` preset.
+These rules are designed to help migrate to the new grid system in Vuetify v2. They are included in the `recommended` preset.
 
 - Warn about unknown attributes not being converted to classes on new grid components ([`grid-unknown-attributes`])
 

eslint.config.js

@@ -0,0 +1,21 @@
+const neostandard = require('neostandard')
+
+module.exports = [
+  ...neostandard(),
+  {
+    rules: {
+      'no-template-curly-in-string': 'off',
+
+      '@stylistic/quotes': ['error', 'single', {
+        allowTemplateLiterals: true,
+      }],
+      '@stylistic/comma-dangle': ['error', {
+        arrays: 'always-multiline',
+        objects: 'always-multiline',
+        imports: 'always-multiline',
+        exports: 'always-multiline',
+        functions: 'only-multiline',
+      }],
+    }
+  }
+]

package.json

@@ -9,6 +9,7 @@
   "scripts": {
     "build": "rimraf lib && babel src --out-dir lib",
     "test": "mocha tests --recursive --reporter dot",
+    "test:8": "ESLINT8=true mocha tests --recursive --reporter dot",
     "test:coverage": "nyc mocha tests --recursive --reporter dot",
     "test:ci": "nyc --reporter=lcov mocha tests --recursive --reporter dot",
     "lint": "eslint src tests",
@@ -26,23 +27,23 @@
     "@babel/cli": "^7.19.3",
     "@babel/core": "^7.19.6",
     "@babel/preset-env": "^7.19.4",
+    "@stylistic/eslint-plugin": "^2.10.1",
     "conventional-changelog-cli": "^2.2.2",
     "conventional-changelog-vuetify": "^1.1.0",
     "conventional-github-releaser": "^3.1.5",
-    "eslint": "^8.26.0",
-    "eslint-config-standard": "^17.0.0",
-    "eslint-plugin-import": "^2.26.0",
-    "eslint-plugin-n": "^15.3.0",
-    "eslint-plugin-promise": "^6.1.1",
+    "eslint": "^9.14.0",
+    "eslint8": "npm:eslint@8.57.1",
     "husky": "^8.0.1",
     "mocha": "^10.1.0",
+    "neostandard": "^0.11.8",
     "nyc": "^15.1.0",
     "rimraf": "^3.0.2",
-    "vue": "^3.2.41",
-    "vuetify": "^3.0.0"
+    "vue": "^3.5.12",
+    "vue-eslint-parser": "^9.4.3",
+    "vuetify": "^3.7.4"
   },
   "peerDependencies": {
-    "eslint": "^8.0.0",
+    "eslint": "^8.0.0 || ^9.0.0",
     "vuetify": "^3.0.0"
   },
   "packageManager": "pnpm@9.13.2"