⬆ feat(junior): Update linter to v9

junior/.template-lintrc.js

@@ -1,6 +1,6 @@
 'use strict';
 
-module.exports = {
+export default {
   extends: ['recommended', 'ember-template-lint-plugin-prettier:recommended'],
   plugins: ['ember-template-lint-plugin-prettier'],
   ignore: ['blueprints/**'],

junior/eslint.config.js

@@ -0,0 +1,111 @@
+import globals from 'globals';
+import babelParser from '@babel/eslint-parser';
+import emberRecommendedConfig from 'eslint-plugin-ember/configs/recommended';
+import emberGjsRecommendedConfig from 'eslint-plugin-ember/configs/recommended-gjs';
+import qunitRecommendedConfig from 'eslint-plugin-qunit/configs/recommended';
+import prettierRecommendedConfig from 'eslint-plugin-prettier/recommended';
+import nRecommendedConfig from 'eslint-plugin-n';
+import * as pixRecommendedConfig from '@1024pix/eslint-plugin/config';
+import emberParser from 'ember-eslint-parser';
+import i18nJsonPlugin from 'eslint-plugin-i18n-json';
+
+const unconventionalJsFiles = ['blueprints/**/files/*', 'app/vendor/*'];
+const compiledOutputFiles = ['dist/*', 'tmp/*'];
+const dependenciesFiles = ['node_modules/*'];
+const miscFiles = ['coverage/*', '!**/.*', '**/.eslintcache'];
+const emberTryFiles = ['.node_modules.ember-try/*', 'bower.json.ember-try', 'package.json.ember-try'];
+const nonPhraseGeneratedFiles = ['translations/en.json', 'translations/fr.json'];
+
+const nodeFiles = [
+  'eslint.config.js',
+  'ember-cli-build.js',
+  'testem.js',
+  'blueprints/*/index.js',
+  'config/**/*.js',
+  'lib/*/index.js',
+  'server/**/*.js',
+];
+
+const emberPatchedParser = Object.assign(
+  {
+    meta: {
+      name: 'ember-eslint-parser',
+      version: '*',
+    },
+  },
+  emberParser,
+);
+
+export default [
+...pixRecommendedConfig,
+...emberRecommendedConfig,
+...emberGjsRecommendedConfig,
+  qunitRecommendedConfig,
+  prettierRecommendedConfig,
+  {
+    ignores: [...unconventionalJsFiles, ...compiledOutputFiles, ...dependenciesFiles, ...miscFiles, ...emberTryFiles],
+  },
+  {
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+      },
+      parser: babelParser,
+      parserOptions: {
+        ecmaVersion: 2018,
+        sourceType: 'module',
+        parserOptions: {
+          requireConfigFile: false,
+          babelOptions: {
+            plugins: [['@babel/plugin-proposal-decorators', { decoratorsBeforeExport: true }]],
+          },
+        },
+      },
+    },
+    rules: {
+      'no-restricted-imports': ['error', { paths: ['lodash'] }],
+      'no-irregular-whitespace': 'off',
+    },
+  },
+  {
+    files: ['**/*.gjs'],
+    languageOptions: {
+      parser: emberPatchedParser,
+      sourceType: 'module',
+    },
+  },
+  {
+    ...nRecommendedConfig.configs['flat/recommended'],
+    files: nodeFiles,
+
+    languageOptions: {
+      globals: {
+        ...globals.node,
+      },
+
+      ecmaVersion: 5,
+      sourceType: 'script',
+    },
+  },
+  {
+    files: ['tests/**/*.js', 'tests/**/*.gjs'],
+
+    languageOptions: {
+      globals: {
+        ...globals.embertest,
+        server: false,
+      },
+    },
+  },
+  {
+    files: nonPhraseGeneratedFiles,
+    plugins: { 'i18n-json': i18nJsonPlugin },
+    processor: {
+      meta: { name: '.json' },
+      ...i18nJsonPlugin.processors['.json'],
+    },
+    rules: {
+      ...i18nJsonPlugin.configs.recommended.rules,
+    },
+  }
+]