Move middleware utils into server/utils

server/utils/createSearch.js

@@ -0,0 +1,17 @@
+function createSearch(query) {
+  const params = [];
+
+  Object.keys(query).forEach(param => {
+    if (query[param] === "") {
+      params.push(param); // Omit the trailing "=" from param=
+    } else {
+      params.push(`${param}=${encodeURIComponent(query[param])}`);
+    }
+  });
+
+  const search = params.join("&");
+
+  return search ? `?${search}` : "";
+}
+
+module.exports = createSearch;