refactor: ♻️ migrated eslint v8 to v9 (#164)

__tests__/index-nexus.test.ts

@@ -146,10 +146,14 @@ describe('test maven publish action', () => {
     await index.runAction();
     expect(runMock).toHaveReturned();
 
+    const pomPath = `${path.join(dir, 'java-test/nexus/without-gpg')}/pom.xml`;
+    const settingsPath = `${dir}/src/settings.xml`;
+
     expect(debugMock).toHaveBeenNthCalledWith(1, 'Deploying the Maven project…');
     expect(setFailedMock).toHaveBeenNthCalledWith(
       1,
-      `Error encountered while running command: Command failed: mvn dummy --file ${path.join(dir, 'java-test/nexus/without-gpg')}/pom.xml --settings ${dir}/src/settings.xml --batch-mode`
+      `Error occurred:
+Command failed: mvn dummy --file ${pomPath} --settings ${settingsPath} --batch-mode`
     );
     expect(setOutputMock).toHaveBeenNthCalledWith(1, 'published', false);
   });

eslint.config.mjs

@@ -0,0 +1,49 @@
+import stylisticTs from '@stylistic/eslint-plugin-ts';
+import stylisticJs from '@stylistic/eslint-plugin-js';
+import tsParser from '@typescript-eslint/parser';
+import js from '@eslint/js';
+import prettierRecommended from 'eslint-plugin-prettier/recommended';
+import tseslint from 'typescript-eslint';
+
+export default [
+  js.configs.recommended,
+  prettierRecommended,
+  ...tseslint.configs.recommended,
+  {
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: 'module',
+      parser: tsParser,
+    },
+    files: ['src/**/*.ts', '__tests__/**/*.ts'],
+    ignores: [
+      'node_modules/',
+      'dist/',
+      'docs/',
+      './javaTest/',
+      '.github/',
+      'pnpm-lock.yaml',
+      '*.xml',
+      '*.md',
+      '*.yml',
+    ],
+    plugins: {
+      '@stylistic/ts': stylisticTs,
+      '@stylistic/js': stylisticJs,
+    },
+    rules: {
+      '@stylistic/ts/indent': ['error', 2],
+      '@stylistic/js/linebreak-style': ['error', 'unix'],
+      '@stylistic/ts/quotes': ['error', 'single'],
+      '@stylistic/ts/semi': ['error', 'always'],
+      '@stylistic/js/max-len': ['error', { code: 100 }],
+      'prefer-promise-reject-errors': ['off'],
+      'no-return-assign': ['off'],
+      'no-shadow': 'off',
+      'import/prefer-default-export': 'off',
+      'prettier/prettier': ['error', { singleQuote: true }],
+      '@typescript-eslint/no-explicit-any': ['off'],
+      '@typescript-eslint/explicit-function-return-type': ['error'],
+    },
+  },
+];

package.json

@@ -15,32 +15,34 @@
   },
   "scripts": {
     "bundle": "npm run format:fix && npm run package",
-    "lint": "eslint 'src/*.ts'",
-    "lint:fix": "eslint --fix src/**.ts",
-    "format": "prettier --check src/**.ts",
-    "format:fix": "prettier --write src/**.ts",
+    "lint": "eslint 'src/*.ts' '__tests__/*.ts'",
+    "lint:fix": "eslint --fix 'src/*.ts' '__tests__/*.ts'",
+    "format": "prettier --check 'src/*.ts' '__tests__/*.ts'",
+    "format:fix": "prettier --write 'src/*.ts' '__tests__/*.ts'",
     "package": "ncc build src/index.ts -o dist --minify -a --license license.txt",
     "test": "jest"
   },
   "devDependencies": {
     "@actions/core": "^1.10.1",
     "@actions/github": "^6.0.0",
+    "@eslint/js": "^9.2.0",
     "@stylistic/eslint-plugin-js": "^2.1.0",
     "@stylistic/eslint-plugin-ts": "^2.1.0",
     "@tsconfig/node18": "^18.2.4",
     "@types/jest": "^29.5.12",
-    "@types/node": "^20.12.11",
-    "@typescript-eslint/eslint-plugin": "^7.8.0",
-    "@typescript-eslint/parser": "^7.8.0",
-    "eslint": "8.57.0",
+    "@types/node": "^20.12.12",
+    "@typescript-eslint/eslint-plugin": "^7.9.0",
+    "@typescript-eslint/parser": "^7.9.0",
+    "eslint": "9.2.0",
     "eslint-config-airbnb-base": "15.0.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-import": "^2.29.1",
     "eslint-plugin-prettier": "^5.1.3",
     "jest": "^29.7.0",
     "prettier": "^3.2.5",
-    "ts-jest": "^29.1.1",
-    "typescript": "^5.4.5"
+    "ts-jest": "^29.1.2",
+    "typescript": "^5.4.5",
+    "typescript-eslint": "^7.9.0"
   },
   "jest": {
     "preset": "ts-jest",