1 files changed, 5 insertions, 0 deletions

diff --git a/client/src/app/shared/misc/utils.ts b/client/src/app/shared/misc/utils.ts
index 2b5c3686e..df9e0381a 100644
--- a/client/src/app/shared/misc/utils.ts
+++ b/client/src/app/shared/misc/utils.ts
@@ -13,6 +13,11 @@ function getParameterByName (name: string, url: string) {
   return decodeURIComponent(results[2].replace(/\+/g, ' '))
 }
 
+function viewportHeight () {
+  return Math.max(document.documentElement.clientHeight, window.innerHeight || 0)
+}
+
 export {
+  viewportHeight,
   getParameterByName
 }