avoid text overlapping

backend/app/Utils.js

@@ -94,12 +94,28 @@ const Utils = {
         })
     },
 
-    async wait(ms){
+    async wait(ms, opts = {}){
         await new Promise((resolve, reject)=>{
-            setTimeout(resolve, ms)
+            opts.id = setTimeout(resolve, ms)
+            opts.resolve = resolve;
+            opts.reject = reject;
         })
     },
 
+    async killWait(opts){
+        if (opts.id){
+            clearTimeout(opts.id);
+            if (opts.onKill == 'resolve') {
+                await opts.resolve()
+            }else {
+                await opts.reject()
+            }
+            delete opts.id;
+            delete opts.resolve;
+            delete opts.reject;
+        }
+    },
+
     async waitFor(expFn){
         while (!expFn()){
             await Utils.wait(200);