Update tsconfig.json

tsconfig.json

@@ -1,20 +1,38 @@
+/**
+ * @fileoverview TypeScript configuration optimized for modern Node.js 
+ * environments (e.g., Hardhat projects).
+ * NOTE: Assumes the project has been migrated from Buidler to Hardhat.
+ */
 {
-    "compilerOptions": {
-      "target": "es5",
-      "module": "commonjs",
-      "strict": true,
-      "esModuleInterop": true,
-      "outDir": "dist",
-      "resolveJsonModule": true,
-      "downlevelIteration": true
-    },
-    "include": ["./**/*"],
-    "files": [
-      "./buidler.config.ts",
-      "node_modules/@nomiclabs/buidler-ethers/src/type-extensions.d.ts",
-      "node_modules/buidler-typechain/src/type-extensions.d.ts",
-      "node_modules/@nomiclabs/buidler-waffle/src/type-extensions.d.ts",
-      "node_modules/@nomiclabs/buidler-etherscan/src/type-extensions.d.ts"
-    ]
-  }
-
+  "compilerOptions": {
+    // 1. Target modern JavaScript features supported by recent Node.js versions
+    "target": "es2020", 
+    // Recommended module system for modern Node.js development
+    "module": "commonjs", 
+    // Enables all strict type-checking options
+    "strict": true, 
+    // Allows default imports from modules with no default export (for compatibility)
+    "esModuleInterop": true, 
+    // Directory for compiled JavaScript output
+    "outDir": "dist", 
+    // Allows importing JSON files as modules
+    "resolveJsonModule": true,
+    // Ensures module resolution is handled correctly for Node environments
+    "moduleResolution": "node", 
+    // Skip type checking of declaration files (faster compilation)
+    "skipLibCheck": true,
+    // Base URL for module resolution (useful if paths are configured)
+    "baseUrl": "." 
+
+    // CLEANUP: Removed "downlevelIteration": true as it is unnecessary for es2020 target.
+  },
+
+  // Include all files in the current directory and subdirectories for type checking
+  // Consider narrowing this down (e.g., ["src/**/*", "test/**/*"])
+  "include": [
+    "./**/*"
+  ]
+
+  // CLEANUP: The "files" array containing manual node_modules paths is REMOVED.
+  // TypeScript will correctly discover type definitions automatically.
+}