diff --git a/app/javascript/controllers/geocode_controller.js b/app/javascript/controllers/geocode_controller.js
index 6dcfc24b43..34801a7a73 100644
--- a/app/javascript/controllers/geocode_controller.js
+++ b/app/javascript/controllers/geocode_controller.js
@@ -259,6 +259,14 @@ export default class extends Controller {
     ]
   }
 
+  // Computes the center of a Google Maps Rectangle's LatLngBoundsLiteral object
+  centerFromBounds(bounds) {
+    let lat = (bounds?.north + bounds?.south) / 2.0
+    let lng = (bounds?.east + bounds?.west) / 2.0
+    if (bounds?.west > bounds?.east) { lng += 180 }
+    return { lat: lat, lng: lng }
+  }
+
   // takes a LatLngBoundsLiteral object {south:, west:, north:, east:}
   updateBoundsInputs(bounds) {
     if (!this.hasSouthInputTarget) return false
@@ -369,6 +377,13 @@ export default class extends Controller {
     }
   }
 
+  clearAutocompleterSwapBuffer() {
+    if (this.autocomplete_buffer) {
+      clearTimeout(this.autocomplete_buffer)
+      this.autocomplete_buffer = 0
+    }
+  }
+
   // Sorts the LocationElevationResponse.results.elevation objects and
   // computes the high and low of these results using bounds and center
   highAndLowOf(results) {