Merge pull request #211 from michaelpuzon/master

handle empty array being returned by locationiq

lib/geocoder/locationiqgeocoder.js

@@ -69,11 +69,14 @@ LocationIQGeocoder.prototype._geocode = function(value, callback) {
       // when there’s no err thrown here the resulting array object always
       // seemes to be defined but empty so no need to check for
       // responseData.error for now
-
-      var results = responseData.map(this._formatResult).filter(function(result) {
-        return result.longitude && result.latitude;
-      });
-      results.raw = responseData;
+      // add check if the array is not empty, as it returns an empty array from time to time
+      var results = [];
+      if (responseData.length && responseData.length > 0) {
+        results = responseData.map(this._formatResult).filter(function(result) {
+          return result.longitude && result.latitude;
+        });
+        results.raw = responseData;
+      }
 
       callback(false, results);
     }.bind(this));