Consider null sensor

Author: rzats

src/modes/indicator/IndicatorAbout.svelte

@@ -25,7 +25,7 @@
 
   function buildExportURL() {
     let exportURL = '';
-    if (sensor.key.split('-').length >= 2) {
+    if (sensor && sensor.key.split('-').length >= 2) {
       // account for dashes in the sensor
       let [first, ...rest] = sensor.key.split('-');
       rest = rest.join('-');
@@ -35,7 +35,6 @@
       exportURL += `&geo_type=${region.level}&geo_value=${region.propertyId}`;
     }
     if (date) {
-      console.log(date);
       exportURL += `&start_day=${formatDateISO(date.value)}&end_day=${formatDateISO(date.value)}`;
     }
     return exportURL;