fixed updating server cache when window/tab closes.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/client/views/MainView.tsx b/src/client/views/MainView.tsx
index b0e992cb6..c0c473cfc 100644
--- a/src/client/views/MainView.tsx
+++ b/src/client/views/MainView.tsx
@@ -529,6 +529,7 @@ export class MainView extends React.Component {
     });
 
     initEventListeners = () => {
+        window.addEventListener('beforeunload', () => DocServer.UPDATE_SERVER_CACHE());
         window.addEventListener('drop', e => e.preventDefault(), false); // prevent default behavior of navigating to a new web page
         window.addEventListener('dragover', e => e.preventDefault(), false);
         // document.addEventListener("pointermove", action(e => SearchBox.Instance._undoBackground = UndoManager.batchCounter ? "#000000a8" : undefined));