Copy TS config from NextJS integration tests.

Author: onurtemizkan

packages/browser/test/e2e/tsconfig.json

@@ -1,8 +1,23 @@
 {
-  "extends": "../../tsconfig.json",
-  "include": ["./**/*.ts"],
-  "exclude": ["dist"],
   "compilerOptions": {
-    "rootDir": "."
-  }
+    "allowJs": true,
+    "alwaysStrict": true,
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "lib": ["dom", "es2017"],
+    "module": "esnext",
+    "moduleResolution": "node",
+    "noEmit": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "resolveJsonModule": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "target": "esnext"
+  },
+  "exclude": ["node_modules"],
+  "include": ["**/*.ts"]
 }