Fix undefineds in statistics overview

package.json

@@ -1,6 +1,6 @@
 {
     "name": "minesweeper",
-    "version": "0.79.0",
+    "version": "0.79.1",
     "description": "Just Minesweeper!",
     "author": "Felix W. Dekker",
     "browser": "dist/bundle.js",

src/main/js/Statistics.ts

@@ -173,26 +173,24 @@ export class LocalStatistics implements Statistics {
      * Generates an HTML report of the current statistics.
      */
     generateHtmlReport(): string {
-        const stats = this.read();
-
         return "" +
             `<h3>Time and history</h3>
             <table>
                 <tr>
                     <th>Actions undone</th>
-                    <td>${stats["actionsUndone"]}</td>
+                    <td>${this.actionsUndone}</td>
                 </tr>
                 <tr>
                     <th>Actions redone</th>
-                    <td>${stats["actionsRedone"]}</td>
+                    <td>${this.actionsRedone}</td>
                 </tr>
                 <tr>
                     <th>Losses undone</th>
-                    <td>${stats["lossesUndone"]}</td>
+                    <td>${this.lossesUndone}</td>
                 </tr>
                 <tr>
                     <th>Time spent</th>
-                    <td>${formatTime(Math.floor(+stats["timeSpent"] / 1000), true, true)}</td>
+                    <td>${formatTime(Math.floor(+this.timeSpent / 1000), true, true)}</td>
                 </tr>
             </table>
 
@@ -200,15 +198,15 @@ export class LocalStatistics implements Statistics {
             <table>
                 <tr>
                     <th>Games started</th>
-                    <td>${stats["gamesStarted"]}</td>
+                    <td>${this.gamesStarted}</td>
                 </tr>
                 <tr>
                     <th>Games lost</th>
-                    <td>${stats["gamesLost"]}</td>
+                    <td>${this.gamesLost}</td>
                 </tr>
                 <tr>
                     <th>Games won</th>
-                    <td>${stats["gamesWon"]}</td>
+                    <td>${this.gamesWon}</td>
                 </tr>
             </table>
 
@@ -216,19 +214,19 @@ export class LocalStatistics implements Statistics {
             <table>
                 <tr>
                     <th>Squares chorded</th>
-                    <td>${stats["squaresChorded"]}</td>
+                    <td>${this.squaresChorded}</td>
                 </tr>
                 <tr>
                     <th>Squares chorded leading to loss</th>
-                    <td>${stats["squaresChordedLeadingToLoss"]}</td>
+                    <td>${this.squaresChordedLeadingToLoss}</td>
                 </tr>
                 <tr>
                     <th>Squares flagged</th>
-                    <td>${stats["squaresFlagged"]}</td>
+                    <td>${this.squaresFlagged}</td>
                 </tr>
                 <tr>
                     <th>Squares uncovered</th>
-                    <td>${stats["squaresUncovered"]}</td>
+                    <td>${this.squaresUncovered}</td>
                 </tr>
             </table>`;
     }