From 6a3c6c9a83649271493f995e663c6c13be0f7f98 Mon Sep 17 00:00:00 2001
From: v-crispadvice <info@crispadvice.com>
Date: Fri, 7 Jul 2023 20:43:16 +0300
Subject: [PATCH] Fix error when missing data file

---
 apps/flashcards/app.js | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/apps/flashcards/app.js b/apps/flashcards/app.js
index 7c689a6a8..29497119b 100644
--- a/apps/flashcards/app.js
+++ b/apps/flashcards/app.js
@@ -2,9 +2,6 @@
  * Copyright 2023 SHOGEL
  * We believe in Finnish
  */
-var Layout = require("Layout");
-var locale = require("locale");
-var storage = require("Storage");
 
 // Constants
 let SWAP_SIDE_BUZZ_MILLISECONDS = 50;
@@ -13,13 +10,15 @@ let CARD_EMPTY = "empty card";
 let CARD_LINE_LENGTH = 9;
 let CARD_LINE_FONT = "20%";
 
-// Global variables
-let cards = [];
+// Modules
+var Layout = require("Layout");
+var locale = require("locale");
+var storage = require("Storage");
 
-let cardIndex = 0;
-let backSide = false;
-let lastDragX = 0;
-let lastDragY = 0;
+// Global variables
+var cards = [];
+var cardIndex = 0;
+var backSide = false;
 
 // Cards data
 function wordWrap(str, maxLength) {
@@ -48,10 +47,12 @@ function wordWrap(str, maxLength) {
 }
 
 function loadLocalCards() {
+  var cardsJSON = "";
   if (storage.read(CARD_DATA_FILE))
   {
-    refreshCards(storage.readJSON(CARD_DATA_FILE, 1)  || {},false);
+    cardsJSON = storage.readJSON(CARD_DATA_FILE, 1)  || {};
   }
+  refreshCards(cardsJSON,false);
 }
 
 function refreshCards(cardsJSON,showMsg)
@@ -88,7 +89,7 @@ let queueDraw = function() {
 var cardLayout = new Layout( {
   type:"v", c: [
     {type:"txt", font:"6x8:3", label:"", id:"widgets", fillx:1 },
-    {type:"txt", font:CARD_LINE_FONT, label:"ABCDEFGHIJ KLMNOPQRST UVWXYZÅÄÖ", filly:1, id:"card" },
+    {type:"txt", font:CARD_LINE_FONT, label:"ABCDEFGHIJ KLMNOPQRST UVWXYZ���", filly:1, id:"card" },
     {type:"txt", font:"6x8:2", label:"00:00", id:"clock", fillx:1, bgCol:g.theme.fg, col:g.theme.bg }
   ]
 }, {lazy:true});