Merge branch 'master' into UI_Update_Eric_Ma

1 files changed, 7 insertions, 0 deletions

diff --git a/src/client/DocServer.ts b/src/client/DocServer.ts
index 8f79ebb03..ba64f993c 100644
--- a/src/client/DocServer.ts
+++ b/src/client/DocServer.ts
@@ -29,6 +29,13 @@ import { GestureOverlay } from './views/GestureOverlay';
 export namespace DocServer {
     let _cache: { [id: string]: RefField | Promise<Opt<RefField>> } = {};
 
+    export function QUERY_SERVER_CACHE(title: string) {
+        const foundDocId = Array.from(Object.keys(_cache))
+            .filter(key => _cache[key] instanceof Doc)
+            .find(key => (_cache[key] as Doc).title === title);
+
+        return foundDocId ? (_cache[foundDocId] as Doc) : undefined;
+    }
     export function UPDATE_SERVER_CACHE(print: boolean = false) {
         if (print) {
             const strings: string[] = [];