Converted utils & api to typescript. Webpack setup

package.json

@@ -27,6 +27,7 @@
     "@babel/plugin-transform-runtime": "7.17.0",
     "@babel/preset-env": "7.16.11",
     "@babel/runtime": "7.17.2",
+    "@types/node": "^18.6.1",
     "babel-loader": "8.2.3",
     "css-loader": "6.7.0",
     "documentation": "^11.0.0",
@@ -35,6 +36,8 @@
     "sass": "1.49.9",
     "sass-loader": "12.6.0",
     "terser-webpack-plugin": "5.3.1",
+    "ts-loader": "^9.3.1",
+    "typescript": "^4.7.4",
     "vue-loader": "15.9.8",
     "vue-template-compiler": "2.6.14",
     "webpack": "5.70.0",