add typescript package

package-lock.json

@@ -34,6 +34,7 @@
         "terser-webpack-plugin": "^5.1.2",
         "timers-browserify": "^2.0.12",
         "ts-node": "^10.3.0",
+        "typescript": "^4.4.4",
         "webpack": "^5.37.0",
         "webpack-cli": "^4.7.0",
         "xvfb-maybe": "^0.2.1"
@@ -5165,7 +5166,6 @@
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.4.4.tgz",
       "integrity": "sha512-DqGhF5IKoBl8WNf8C1gu8q0xZSInh9j1kJJMqT3a94w1JzVaBU4EXOSMrz9yDqMT0xt3selp83fuFMQ0uzv6qA==",
       "dev": true,
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -9691,8 +9691,7 @@
       "version": "4.4.4",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.4.4.tgz",
       "integrity": "sha512-DqGhF5IKoBl8WNf8C1gu8q0xZSInh9j1kJJMqT3a94w1JzVaBU4EXOSMrz9yDqMT0xt3selp83fuFMQ0uzv6qA==",
-      "dev": true,
-      "peer": true
+      "dev": true
     },
     "ua-parser-js": {
       "version": "0.7.28",

package.json

@@ -66,6 +66,7 @@
     "terser-webpack-plugin": "^5.1.2",
     "timers-browserify": "^2.0.12",
     "ts-node": "^10.3.0",
+    "typescript": "^4.4.4",
     "webpack": "^5.37.0",
     "webpack-cli": "^4.7.0",
     "xvfb-maybe": "^0.2.1"