Update tsconfig.json

tsconfig.json

@@ -1,19 +1,17 @@
 {
   "compilerOptions": {
-    "target": "es2018",
+    "target": "ES2020",
     "module": "commonjs",
-    "lib": ["es2018", "dom"],
+    "lib": ["ES2020"],
+    "outDir": "./lib",
+    "rootDir": "./src",
     "strict": true,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
     "esModuleInterop": true,
     "skipLibCheck": true,
-    "forceConsistentCasingInFileName": true,
-    "outDir": "./dist",
-    "rootDir": "./src"
+    "forceConsistentCasingInFileNames": true
   },
-  "include": [
-    "src/**/*"
-  ],
-  "exclude": [
-    "node_modules"
-  ]
-}
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "lib"]
+}