test: utilize new flat ESLint configuration (#383)

* test: utilize new flat ESLint configuration

* test: add TypeScript support to new flat ESLint config

* chore: remove unused `eslint-plugin-tsdoc` from dependencies

Author: threeal

.eslintrc.json

@@ -1,5 +1,4 @@
 .*
-!.eslint*
 !.git*
 
 dist/

.gitignore

@@ -0,0 +1,11 @@
+import eslint from "@eslint/js";
+import tseslint from "typescript-eslint";
+
+export default [
+  eslint.configs.recommended,
+  ...tseslint.configs.recommended,
+  ...tseslint.configs.stylistic,
+  {
+    ignores: [".*", "coverage", "dist"],
+  },
+];

eslint.config.js

@@ -24,25 +24,24 @@
   ],
   "scripts": {
     "format": "prettier --write --cache .",
-    "lint": "eslint src",
+    "lint": "eslint .",
     "prepack": "tsc",
     "test": "jest"
   },
   "dependencies": {
     "yargs": "^17.7.2"
   },
   "devDependencies": {
+    "@eslint/js": "^9.0.0",
     "@types/jest": "^29.5.12",
     "@types/node": "^20.11.30",
     "@types/yargs": "^17.0.32",
-    "@typescript-eslint/eslint-plugin": "^7.6.0",
-    "@typescript-eslint/parser": "^7.6.0",
     "eslint": "^8.57.0",
-    "eslint-plugin-tsdoc": "^0.2.17",
     "jest": "^29.7.0",
     "prettier": "^3.2.5",
     "ts-jest": "^29.1.2",
-    "typescript": "^5.4.5"
+    "typescript": "^5.4.5",
+    "typescript-eslint": "^7.6.0"
   },
   "packageManager": "yarn@4.1.1"
 }