feat(eslint): add auto-fix for unused imports and vars

Also update all dependecies.

.changeset/stupid-bats-fix.md

@@ -0,0 +1,5 @@
+---
+'@mheob/eslint-config': minor
+---
+
+add auto-fix for unused imports and vars

.changeset/wet-donkeys-confess.md

@@ -0,0 +1,5 @@
+---
+'@mheob/eslint-config': patch
+---
+
+bump `eslint-config-next` to `13.1.0`

packages/eslint-config/package.json

@@ -51,14 +51,15 @@
 	"dependencies": {
 		"@typescript-eslint/eslint-plugin": "^5.47.0",
 		"@typescript-eslint/parser": "^5.47.0",
-		"eslint-config-next": "^13.0.7",
+		"eslint-config-next": "^13.1.0",
 		"eslint-config-prettier": "^8.5.0",
 		"eslint-import-resolver-typescript": "^3.5.2",
 		"eslint-plugin-import": "^2.26.0",
 		"eslint-plugin-prettier": "^4.2.1",
 		"eslint-plugin-react": "^7.31.11",
 		"eslint-plugin-simple-import-sort": "^8.0.0",
-		"eslint-plugin-unicorn": "^45.0.2"
+		"eslint-plugin-unicorn": "^45.0.2",
+		"eslint-plugin-unused-imports": "^2.0.0"
 	},
 	"devDependencies": {
 		"@mheob/tsconfig": "workspace:*",

packages/eslint-config/src/base.ts

@@ -1,7 +1,7 @@
 import type { Linter } from 'eslint';
 
 const config: Linter.Config = {
-	plugins: ['@typescript-eslint', 'simple-import-sort'],
+	plugins: ['@typescript-eslint', 'simple-import-sort', 'unused-imports'],
 	extends: [
 		'eslint:recommended',
 		'plugin:unicorn/recommended',
@@ -19,7 +19,6 @@ const config: Linter.Config = {
 		'prettier/prettier': 'warn',
 		'no-console': ['warn', { allow: ['warn', 'error'] }],
 		'no-implicit-coercion': ['error', { allow: ['!!', '+', '~'] }],
-		'no-unused-vars': ['warn', { argsIgnorePattern: '^_', varsIgnorePattern: '^_' }],
 		'simple-import-sort/imports': [
 			'error',
 			{
@@ -57,6 +56,10 @@ const config: Linter.Config = {
 				},
 			},
 		],
+		// Disable the default rule so that `unused-imports` can auto-fix
+		'no-unused-vars': 'off',
+		'unused-imports/no-unused-imports': 'warn',
+		'unused-imports/no-unused-vars': ['warn', { varsIgnorePattern: '^_', argsIgnorePattern: '^_' }],
 	},
 	overrides: [
 		{
@@ -76,10 +79,8 @@ const config: Linter.Config = {
 					'warn',
 					{ allowExpressions: true, allowTypedFunctionExpressions: true },
 				],
-				'@typescript-eslint/no-unused-vars': [
-					'warn',
-					{ argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
-				],
+				// Disable the default rule so that `unused-imports` can auto-fix
+				'@typescript-eslint/no-unused-vars': 'off',
 				'@typescript-eslint/quotes': ['warn', 'single', { avoidEscape: true }],
 			},
 		},