From: Jakob Cornell <jakob+gpg@jcornell.net>
Date: Sun, 31 May 2026 17:15:50 +0000 (-0500)
Subject: Use status bar for error reporting
X-Git-Url: https://jcornell.net/gitweb/gitweb.cgi?a=commitdiff_plain;h=a7b537e98b3cbf439c0e99f41c2c6dc292c8ae1e;p=ntbd-parcels.git

Use status bar for error reporting
---

diff --git a/main.js b/main.js
index db52977..7fde9a3 100644
--- a/main.js
+++ b/main.js
@@ -21,6 +21,7 @@ function transposeCoordinates(coordList) {
 	)));
 }
 
+const map = L.map("map");
 const statusSpan = document.querySelector("#status > span");
 const progressBar = document.querySelector("#status > progress");
 
@@ -46,7 +47,7 @@ async function asyncMain() {
 			localStorage[PARCEL_LOAD_KEY] = "1";
 		} else {
 			console.error(geoJsonResponse);
-			alert("Parcel data request failed");
+			throw new Error("Parcel data request failed");
 		}
 	}
 
@@ -120,18 +121,22 @@ async function asyncMain() {
 	statusSpan.innerText = "ready";
 }
 
-document.getElementById("picked-zones").innerText = [...PICK_ZONINGS].join(", ");
-document.getElementById("lot-size").innerText =
-	`${MIN_LOT_SIZE_ACRES} to ${MAX_LOT_SIZE_ACRES} acres`;
+try {
+	document.getElementById("picked-zones").innerText = [...PICK_ZONINGS].join(", ");
+	document.getElementById("lot-size").innerText =
+		`${MIN_LOT_SIZE_ACRES} to ${MAX_LOT_SIZE_ACRES} acres`;
 
-const map = L.map("map");
-const tileLayer = L.tileLayer(
-	"https://tile.openstreetmap.org/{z}/{x}/{y}.png",
-	{maxZoom: 19, attribution: "&copy; OpenStreetMap"},
-);
-tileLayer.addTo(map);
+	const tileLayer = L.tileLayer(
+		"https://tile.openstreetmap.org/{z}/{x}/{y}.png",
+		{maxZoom: 19, attribution: "&copy; OpenStreetMap"},
+	);
+	tileLayer.addTo(map);
 
-// Snap to a view of Madison.
-map.setView([43.073051, -89.401230], 13);
+	// Snap to a view of Madison.
+	map.setView([43.073051, -89.401230], 13);
 
-asyncMain();
+	await asyncMain();
+} catch (error) {
+	statusSpan.innerText = "error, see console";
+	throw error;
+}