Unfortunately I have to use npm

src/launch.ts

@@ -0,0 +1,10 @@
+import Substrate from "./substrate"
+import Weather from "./weather";
+
+const background = new Substrate("substrate-canvas", 20)
+let weather: Weather
+navigator.geolocation.getCurrentPosition(position => {
+    weather = new Weather(position.coords.latitude, position.coords.longitude)
+}, () => {
+    weather = new Weather()
+})