From 517504290ee49cc606090d050a90f44e799d6030 Mon Sep 17 00:00:00 2001
From: Jack McBride <jack.mcbride@sihealth.co.uk>
Date: Fri, 13 May 2022 10:34:16 +0100
Subject: [PATCH] Accept zero value numbers for reverse geocoding

---
 index.js | 47 +++++++++++++++++++++++------------------------
 1 file changed, 23 insertions(+), 24 deletions(-)

diff --git a/index.js b/index.js
index 6b38146..7b8b002 100644
--- a/index.js
+++ b/index.js
@@ -10,24 +10,21 @@
  * Version
  */
 
-var version = '0.2.3';
-
+var version = "0.2.3";
 
 /**
  * Geocoder
  */
 
-function Geocoder () {
+function Geocoder() {
   this.selectProvider("google");
-};
+}
 
 /**
  * Geocoder prototype
  */
 
 Geocoder.prototype = {
-
-
   /**
    * Selects a webservice provider
    *
@@ -36,16 +33,14 @@ Geocoder.prototype = {
    * @api public
    */
 
-  selectProvider: function ( name, opts ) {
-
-    if ( ! name ) {
-      return cbk( new Error( "Geocoder.selectProvider requires a name.") );
+  selectProvider: function (name, opts) {
+    if (!name) {
+      return cbk(new Error("Geocoder.selectProvider requires a name."));
     }
 
     this.provider = name;
     this.providerOpts = opts || {};
-    this.providerObj = require("./providers/"+name);
-
+    this.providerObj = require("./providers/" + name);
   },
 
   /**
@@ -57,23 +52,28 @@ Geocoder.prototype = {
    * @api public
    */
 
-  geocode: function ( loc, cbk, opts ) {
-
-    if ( ! loc ) {
-        return cbk( new Error( "Geocoder.geocode requires a location.") );
+  geocode: function (loc, cbk, opts) {
+    if (!loc) {
+      return cbk(new Error("Geocoder.geocode requires a location."));
     }
 
     return this.providerObj.geocode(this.providerOpts, loc, cbk, opts);
-
   },
 
-  reverseGeocode: function ( lat, lng, cbk, opts ) {
-    if ( !lat || !lng ) {
-      return cbk( new Error( "Geocoder.reverseGeocode requires a latitude and longitude." ) );
+  reverseGeocode: function (lat, lng, cbk, opts) {
+    if (isNan(lat) || isNan(lng)) {
+      return cbk(
+        new Error("Geocoder.reverseGeocode requires a latitude and longitude.")
+      );
     }
 
-    return this.providerObj.reverseGeocode(this.providerOpts, lat, lng, cbk, opts );
-
+    return this.providerObj.reverseGeocode(
+      this.providerOpts,
+      lat,
+      lng,
+      cbk,
+      opts
+    );
   },
 
   /**
@@ -82,8 +82,7 @@ Geocoder.prototype = {
    * @api public
    */
 
-  version: version
-
+  version: version,
 };
 
 /**