fix: errors in browser.ts (#58)

tsconfig.json

@@ -13,6 +13,11 @@
     "module": "ES2022",
     "outDir": "./dist",
     "target": "ES6",
+    "lib": [
+      "es6",
+      "es2018.asyncgenerator",
+      "dom"
+    ]
   },
 
   "ts-node": {