Update lint setup

Author: bertdeblock

.eslintrc.js

@@ -1,54 +1,23 @@
 module.exports = {
-  root: true,
-  parser: '@babel/eslint-parser',
-  parserOptions: {
-    ecmaVersion: 'latest',
-    requireConfigFile: false,
-    sourceType: 'module'
-  },
   extends: [
     'eslint:recommended',
-    'plugin:prettier/recommended',
+    'plugin:n/recommended',
+    'prettier',
   ],
-  rules: {},
   overrides: [
-    // node files
-    {
-      files: [
-        '.template-lintrc.js',
-        'ember-cli-build.js',
-        'index.js',
-        'testem.js',
-        'blueprints/*/index.js',
-        'config/**/*.js',
-        'tests/dummy/config/**/*.js',
-        'test/**/*.js',
-        'lib/**/*.js'
-      ],
-      excludedFiles: [
-        'addon/**',
-        'addon-test-support/**',
-        'app/**',
-        'tests/dummy/app/**'
-      ],
-      parserOptions: {
-        sourceType: 'script',
-        ecmaVersion: 2018
-      },
-      env: {
-        browser: false,
-        node: true
-      },
-      extends: ['plugin:node/recommended'],
-      rules: {
-        // add your custom rules and overrides for node files here
-        'no-process-exit': 'off'
-      }
-    },
-    // test files
     {
       env: { mocha: true },
       files: ['test/**/*.js'],
-    }
-  ]
+    },
+  ],
+  parser: '@babel/eslint-parser',
+  parserOptions: {
+    ecmaVersion: 'latest',
+    requireConfigFile: false,
+    sourceType: 'script',
+  },
+  root: true,
+  rules: {
+    'n/no-process-exit': 'off',
+  },
 };

.gitignore

@@ -16,6 +16,7 @@
 /testem.log
 /yarn-error.log
 
+/.eslintcache
 /.nyc_output
 *.tgz
 .scratch

.prettierignore

@@ -0,0 +1 @@
+/CHANGELOG.md

package.json

@@ -22,7 +22,12 @@
     "test": "tests"
   },
   "scripts": {
-    "lint": "eslint .",
+    "format": "prettier . --cache --write",
+    "lint": "concurrently --group --prefix-colors auto --timings \"yarn:lint:*(!fix)\"",
+    "lint:fix": "concurrently --group --prefix-colors auto --timings \"yarn:lint:*:fix\" && yarn format",
+    "lint:format": "prettier . --cache --check",
+    "lint:js": "eslint . --cache",
+    "lint:js:fix": "eslint . --fix",
     "node-test": "mocha test/**/*.js",
     "node-test-with-coverage": "nyc --reporter lcov npm run-script node-test",
     "start": "ember serve",
@@ -42,16 +47,17 @@
     "walk-sync": "^2.2.0"
   },
   "devDependencies": {
+    "@babel/core": "^7.26.0",
     "@babel/eslint-parser": "^7.25.9",
     "@release-it-plugins/lerna-changelog": "^7.0.0",
     "chai": "^4.4.1",
     "chai-as-promised": "^7.1.1",
     "codecov": "^3.8.3",
+    "concurrently": "^9.1.0",
     "ember-cli": "~5.12.0",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^9.1.0",
-    "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-prettier": "^5.2.1",
+    "eslint-plugin-n": "^17.15.0",
     "mocha": "^10.8.2",
     "mockery": "^2.1.0",
     "nyc": "^17.1.0",