node: fix eslint, typescript, dev dependencies

.eslintrc.cjs

@@ -1,17 +0,0 @@
-module.exports = {
-	root: true,
-	env: {
-		node: true,
-		es2021: true,
-	},
-	parser: '@typescript-eslint/parser',
-	plugins: ['@typescript-eslint', 'prettier'],
-	extends: [
-		'eslint:recommended',
-		'plugin:@typescript-eslint/recommended',
-		'plugin:prettier/recommended',
-	],
-	rules: {
-		'prettier/prettier': 'error',
-	},
-};

node-health/.eslintrc.cjs

@@ -1,10 +0,0 @@
-module.exports = {
-	root: true,
-	extends: ['../../.eslintrc.cjs'],
-	parserOptions: {
-		project: './tsconfig.json',
-	},
-	rules: {
-		// package-level overrides
-	},
-};

node-health/eslint.config.mts

@@ -0,0 +1,14 @@
+import js from '@eslint/js';
+import globals from 'globals';
+import tseslint from 'typescript-eslint';
+import { defineConfig } from 'eslint/config';
+
+export default defineConfig([
+	{
+		files: ['**/*.{js,mjs,cjs,ts,mts,cts}'],
+		plugins: { js },
+		extends: ['js/recommended'],
+		languageOptions: { globals: globals.browser },
+	},
+	tseslint.configs.recommended,
+]);

node-health/package.json

@@ -1,7 +1,6 @@
 {
 	"name": "@health/node",
 	"version": "0.1.0",
-	"private": true,
 	"main": "dist/index.js",
 	"types": "dist/index.d.ts",
 	"files": [
@@ -14,6 +13,13 @@
 		"test": "echo \"No tests configured\" && exit 0",
 		"check": "npm run lint && npm run build"
 	},
-	"dependencies": {},
-	"devDependencies": {}
+	"devDependencies": {
+		"@eslint/js": "^9.39.2",
+		"@types/node": "^25.0.3",
+		"eslint": "^9.39.2",
+		"globals": "^16.5.0",
+		"jiti": "^2.6.1",
+		"typescript": "^5.9.3",
+		"typescript-eslint": "^8.50.1"
+	}
 }

node-health/tsconfig.json

@@ -1,6 +1,16 @@
 {
-	"extends": "../tsconfig.base.json",
 	"compilerOptions": {
+		"lib": ["es2023"],
+		"target": "es2023",
+		"module": "node20",
+		"declaration": true,
+		"declarationMap": true,
+		"sourceMap": true,
+		"strict": true,
+		"esModuleInterop": true,
+		"skipLibCheck": true,
+		"forceConsistentCasingInFileNames": true,
+		"resolveJsonModule": true,
 		"rootDir": "src",
 		"outDir": "dist",
 		"composite": false

tsconfig.base.json

@@ -1,15 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "ES2021",
-    "module": "ES2020",
-    "moduleResolution": "node",
-    "declaration": true,
-    "declarationMap": true,
-    "sourceMap": true,
-    "strict": true,
-    "esModuleInterop": true,
-    "skipLibCheck": true,
-    "forceConsistentCasingInFileNames": true,
-    "resolveJsonModule": true
-  }
-}