Establish frontend type checking

web/package.json

@@ -6,9 +6,11 @@
   "scripts": {
     "dev": "vite",
     "build": "vite build --mode production",
-    "serve": "vite preview"
+    "serve": "vite preview",
+    "typecheck": "tsc --noEmit"
   },
   "devDependencies": {
+    "@types/node": "^22.10.2",
     "@types/chart.js": "^2.9.41",
     "typescript": "^5.7.3",
     "typescript-plugin-css-modules": "^5.1.0",

web/src/pages/lvgmc-forecast/CsvMapData.tsx

@@ -63,6 +63,7 @@ export const CsvMapData: Component<{
                 [img, arrowImg],
                 getCityData(),
                 tmpWindData,
+                ['', ''],
                 resolutionProps.map_3840x1440_wind,
             )
         }
@@ -77,4 +78,4 @@ export const CsvMapData: Component<{
             style={{ 'width': '1000px', 'height': '374px' }}
         />
     </>
-}
+}

web/src/pages/map-graphics/MapGraphics.tsx

@@ -34,7 +34,7 @@ export function Faktiska() {
             next[observation.city] = observation.value == null ? "" : observation.value.toString();
         });
         setValues(next);
-        setOverrides(new Set());
+        setOverrides(new Set<FaktiskaStation>());
     });
 
     const observationsByCity = () => new Map((latest() ?? []).map(item => [item.city, item]));

web/tsconfig.json

@@ -3,12 +3,12 @@
     "strict": true,
     "target": "ESNext",
     "module": "ESNext",
-    "moduleResolution": "node",
+    "moduleResolution": "bundler",
     "allowSyntheticDefaultImports": true,
     "esModuleInterop": true,
     "jsx": "preserve",
     "jsxImportSource": "solid-js",
-    "types": ["vite/client"],
+    "types": ["vite/client", "node"],
     "noEmit": true,
     "isolatedModules": true,
     "plugins": [{ "name": "typescript-plugin-css-modules" }]