Refactor getUrlParamsArray()

app/assets/javascripts/filtered_search/filtered_search_manager.js.es6

@@ -80,9 +80,7 @@
     }
 
     loadSearchParamsFromURL() {
-      // We can trust that each param has one & since values containing & will be encoded
-      // Remove the first character of search as it is always ?
-      const params = window.location.search.slice(1).split('&');
+      const params = gl.utils.getUrlParamsArray();
       let inputValues = [];
 
       params.forEach((p) => {

app/assets/javascripts/lib/utils/common_utils.js.es6

@@ -124,6 +124,12 @@
       return parsedUrl.pathname.charAt(0) === '/' ? parsedUrl.pathname : '/' + parsedUrl.pathname;
     };
 
+    gl.utils.getUrlParamsArray = function () {
+      // We can trust that each param has one & since values containing & will be encoded
+      // Remove the first character of search as it is always ?
+      return window.location.search.slice(1).split('&');
+    }
+
     gl.utils.getParameterByName = function(name) {
       var url = window.location.href;
       var param = name.replace(/[[\]]/g, '\\$&');