Add silly statistic

package.json

@@ -1,6 +1,6 @@
 {
     "name": "minesweeper",
-    "version": "0.81.9",
+    "version": "0.81.10",
     "description": "Just Minesweeper!",
     "author": "Felix W. Dekker",
     "browser": "dist/bundle.js",

src/main/js/Field.ts

@@ -405,8 +405,11 @@ export class Field {
      * @param amount the maximum amount of actions to redo, or all future actions if `undefined`
      */
     redo(amount: number | undefined = undefined): void {
+        const wasLost = this.hasLost;
+
         const redone = this.history.redo(amount);
         if (!this.isAutoSolving && redone > 0) this.statistics.actionsRedone++;
+        if (!this.isAutoSolving && !wasLost && this.hasLost) this.statistics.lossesRedone++;
     }
 
     /**

src/main/js/Statistics.ts

@@ -9,6 +9,7 @@ export interface Statistics {
     actionsUndone: number;
     actionsRedone: number;
     lossesUndone: number;
+    lossesRedone: number;
     timeSpent: number;
 
     gamesStarted: number;
@@ -68,6 +69,14 @@ export class LocalStatistics implements Statistics {
         this.storage.setNumber("lossesUndone", value);
     }
 
+    get lossesRedone(): number {
+        return this.storage.getNumber("lossesRedone", 0);
+    }
+
+    set lossesRedone(value: number) {
+        this.storage.setNumber("lossesRedone", value);
+    }
+
     get timeSpent(): number {
         return this.storage.getNumber("timeSpent", 0);
     }
@@ -184,6 +193,7 @@ export class LocalStatistics implements Statistics {
                     <th>Losses undone</th>
                     <td>${this.lossesUndone}</td>
                 </tr>
+                ${this.lossesRedone > 0 ? `<tr><th>Losses redone</th><td>${this.lossesRedone}</td></tr>` : ``}
                 <tr>
                     <th>Time spent</th>
                     <td>${formatTime(Math.floor(+this.timeSpent / 1000), true, true)}</td>
@@ -199,13 +209,13 @@ export class LocalStatistics implements Statistics {
                 <tr>
                     <th>Games completed</th>
                     <td>
-                        ${this.gamesWon}&nbsp;(${Math.round(100 * this.gamesWon / this.gamesStarted)}%)
+                        ${this.gamesWon}${this.gamesStarted > 0 ? `&nbsp;(${Math.round(100 * this.gamesWon / this.gamesStarted)}%)` : ``}
                     </td>
                 </tr>
                 <tr>
                     <th>Games completed without losing</th>
                     <td>
-                        ${this.gamesWonWithoutLosing}&nbsp;(${Math.round(100 * this.gamesWonWithoutLosing / this.gamesStarted)}%)
+                        ${this.gamesWonWithoutLosing}${this.gamesStarted > 0 ? `&nbsp;(${Math.round(100 * this.gamesWonWithoutLosing / this.gamesStarted)}%)` : ``}
                     </td>
                 </tr>
             </table>
@@ -259,6 +269,7 @@ export class MemoryStatistics implements Statistics {
     actionsUndone: number = 0;
     actionsRedone: number = 0;
     lossesUndone: number = 0;
+    lossesRedone: number = 0;
     timeSpent: number = 0;
     gamesStarted: number = 0;
     gamesWon: number = 0;
@@ -277,6 +288,7 @@ export class MemoryStatistics implements Statistics {
         this.actionsUndone = 0;
         this.actionsRedone = 0;
         this.lossesUndone = 0;
+        this.lossesRedone = 0;
         this.timeSpent = 0;
         this.gamesStarted = 0;
         this.gamesWon = 0;