Refactoring: bulletingsByRegionID

simon04 · Nov 16, 2024 · 2046ea8 · 2046ea8
1 parent 270d279
commit 2046ea8
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/src/main.ts b/src/main.ts
@@ -225,14 +225,15 @@ async function buildMap(bulletins: AvalancheBulletin[], date: string) {
       new Style({ fill: new Fill({ color }), zIndex: warnLevelNumber }),
     ]),
   );
+  const bulletingsByRegionID = Object.fromEntries(
+    bulletins.flatMap(b => (b.regions??[]).map(r => [r.regionID, b]))
+  )
   const style = ({
     id,
     elevation,
     threshold,
   }: MicroRegionElevationProperties): Style => {
-    const dangerRatings =
-      bulletins.find((b) => b.regions?.some((r) => r.regionID === id))
-        ?.dangerRatings ?? [];
+    const dangerRatings = bulletingsByRegionID[id]?.dangerRatings?? [];
     if (
       elevation === "high" &&
       dangerRatings