refactor: Improve error handling in addArrowToPolyline function

OneBusAway · Aug 23, 2024 · 794fdd8 · 794fdd8
1 parent 637187c
commit 794fdd8
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/lib/googleMaps.js b/src/lib/googleMaps.js
@@ -169,6 +169,10 @@ export async function createPolyline(shape) {
  * @param {google.maps.Polyline} polyline - The polyline to which the arrow will be added.
  */
 export function addArrowToPolyline(polyline) {
+	if (!(polyline instanceof google.maps.Polyline)) {
+		console.error('Invalid polyline');
+		return;
+	}
 	const arrowSymbol = {
 		path: google.maps.SymbolPath.FORWARD_CLOSED_ARROW,
 		scale: 2,