Added strict type checking to the project. (#236)

* Implement strict typing (WIP).

* changes

* Finish type checks

* Fix notification icon, matugen settings and update tsconfig.

* OSD Styling updates and added the ability to configure OSD duration.

modules/menus/calendar/weather/hourly/icon/index.ts

@@ -1,35 +1,43 @@
-import { Weather } from "lib/types/weather.js";
+import { Weather, WeatherIcon, WeatherIconTitle } from "lib/types/weather.js";
 import { Variable } from "types/variable.js";
 import { weatherIcons } from "modules/icons/weather.js";
+import { isValidWeatherIconTitle } from "globals/weather";
 
 export const HourlyIcon = (theWeather: Variable<Weather>, getNextEpoch: any) => {
-    const getIconQuery = (wthr: Weather) => {
+    const getIconQuery = (wthr: Weather): WeatherIconTitle => {
 
         const nextEpoch = getNextEpoch(wthr);
         const weatherAtEpoch = wthr.forecast.forecastday[0].hour.find(
             (h) => h.time_epoch === nextEpoch,
         );
 
-        let iconQuery = weatherAtEpoch?.condition.text
+        if (weatherAtEpoch === undefined) {
+            return "warning";
+        }
+
+        let iconQuery = weatherAtEpoch.condition.text
             .trim()
             .toLowerCase()
-            .replaceAll(" ", "_")
-            || "warning"
-            ;
+            .replaceAll(" ", "_");
 
         if (!weatherAtEpoch?.is_day && iconQuery === "partly_cloudy") {
             iconQuery = "partly_cloudy_night";
         }
-        return iconQuery;
+
+        if (isValidWeatherIconTitle(iconQuery)) {
+            return iconQuery;
+        } else {
+            return "warning";
+        }
     }
 
     return Widget.Box({
         hpack: "center",
         child: theWeather.bind("value").as((w) => {
-            let weatherIcn = "-";
+            let weatherIcn: WeatherIcon;
 
             const iconQuery = getIconQuery(w);
-            weatherIcn = weatherIcons[iconQuery];
+            weatherIcn = weatherIcons[iconQuery] || weatherIcons["warning"];
             return Widget.Label({
                 hpack: "center",
                 class_name: "hourly-weather-icon txt-icon",