when calling API skip any empty parameter values

[nominatim-ui.git] / src / assets / js / base.js

diff --git a/src/assets/js/base.js b/src/assets/js/base.js
index 90a358857d8246458d7c29364a1ec11afac94444..27f93af7c0c6851073cc8fa4162118ae28645bb0 100644 (file)
--- a/src/assets/js/base.js
+++ b/src/assets/js/base.js
@@ -61,10 +61,13 @@ function map_viewbox_as_string() {
 // *********************************************************
 
 function fetch_from_api(endpoint_name, params, callback) {
-  // `&a=&b=&c=1` => '&c='
-  for (var k in params) {
-    if (typeof (params[k]) === 'undefined' || params[k] === '' || params[k] === null) {
-      delete params[k];
+  //
+  // `&a=&b=&c=1` => '&c=1'
+  var param_names = Object.keys(params);
+  for (var i = 0; i < param_names.length; i += 1) {
+    var val = params[param_names[i]];
+    if (typeof (val) === 'undefined' || val === '' || val === null) {
+      delete params[param_names[i]];
     }
   }