X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fsrc%2Futils%2FcompgameStorage.js;h=655fd6bf8c69838d14c3032fe0d948066a9d0f88;hb=5f918a278904266a2a66a3c8e2a3655f37c2d2a7;hp=a5c58af1de698e2e51ae7c08fb168d2250597182;hpb=7617c334b43d2f5fff40cbec72127ed30e5867c0;p=vchess.git

diff --git a/client/src/utils/compgameStorage.js b/client/src/utils/compgameStorage.js
index a5c58af1..655fd6bf 100644
--- a/client/src/utils/compgameStorage.js
+++ b/client/src/utils/compgameStorage.js
@@ -15,7 +15,8 @@ function dbOperation(callback) {
   let DBOpenRequest = window.indexedDB.open("vchess_comp", 4);
 
   DBOpenRequest.onerror = function(event) {
-    alert(store.state.tr["Database error: stop private browsing, or update your browser"]);
+    alert(store.state.tr[
+      "Database error: stop private browsing, or update your browser"]);
     callback("error", null);
   };
 
@@ -27,13 +28,17 @@ function dbOperation(callback) {
 
   DBOpenRequest.onupgradeneeded = function(event) {
     let db = event.target.result;
-    db.createObjectStore("compgames", { keyPath: "vname" });
+    let upgradeTransaction = event.target.transaction;
+    if (!db.objectStoreNames.contains("compgames"))
+      db.createObjectStore("compgames", { keyPath: "vname" });
+    else
+      upgradeTransaction.objectStore("compgames");
   };
 }
 
 export const CompgameStorage = {
   add: function(game) {
-    dbOperation((err,db) => {
+    dbOperation((err, db) => {
       if (err) return;
       let objectStore = db
         .transaction("compgames", "readwrite")
@@ -44,7 +49,7 @@ export const CompgameStorage = {
 
   // obj: move and/or fen
   update: function(gameId, obj) {
-    dbOperation((err,db) => {
+    dbOperation((err, db) => {
       let objectStore = db
         .transaction("compgames", "readwrite")
         .objectStore("compgames");
@@ -65,7 +70,7 @@ export const CompgameStorage = {
   // Retrieve any game from its identifier (variant name)
   // NOTE: need callback because result is obtained asynchronously
   get: function(gameId, callback) {
-    dbOperation((err,db) => {
+    dbOperation((err, db) => {
       let objectStore = db
         .transaction("compgames", "readonly")
         .objectStore("compgames");
@@ -77,7 +82,7 @@ export const CompgameStorage = {
 
   // Delete a game in indexedDB
   remove: function(gameId) {
-    dbOperation((err,db) => {
+    dbOperation((err, db) => {
       if (!err) {
         db.transaction("compgames", "readwrite")
           .objectStore("compgames")