Fix stub

Author: BNAndras

exercises/practice/split-second-stopwatch/split-second-stopwatch.js

@@ -1,77 +1,41 @@
 export class SplitSecondStopwatch {
   constructor() {
-    this._state = 'ready';
-    this._totalSeconds = 0;
-    this._currentLap = 0;
-    this._previousLaps = [];
+    throw new Error('Remove this line and implement the function');
   }
 
   get state() {
-    return this._state;
+    throw new Error('Remove this line and implement the function');
   }
 
   get currentLap() {
-    return this._formatTime(this._currentLap);
+    throw new Error('Remove this line and implement the function');
   }
 
   get total() {
-    return this._formatTime(this._totalSeconds);
+    throw new Error('Remove this line and implement the function');
   }
 
   get previousLaps() {
-    return this._previousLaps.map((s) => this._formatTime(s));
+    throw new Error('Remove this line and implement the function');
   }
 
   start() {
-    if (this._state === 'running') {
-      throw new Error('cannot start an already running stopwatch');
-    }
-    this._state = 'running';
+    throw new Error('Remove this line and implement the function');
   }
 
   stop() {
-    if (this._state !== 'running') {
-      throw new Error('cannot stop a stopwatch that is not running');
-    }
-    this._state = 'stopped';
+    throw new Error('Remove this line and implement the function');
   }
 
   lap() {
-    if (this._state !== 'running') {
-      throw new Error('cannot lap a stopwatch that is not running');
-    }
-    this._previousLaps.push(this._currentLap);
-    this._currentLap = 0;
+    throw new Error('Remove this line and implement the function');
   }
 
   reset() {
-    if (this._state !== 'stopped') {
-      throw new Error('cannot reset a stopwatch that is not stopped');
-    }
-    this._state = 'ready';
-    this._totalSeconds = 0;
-    this._currentLap = 0;
-    this._previousLaps = [];
+    throw new Error('Remove this line and implement the function');
   }
 
   advanceTime(duration) {
-    if (this._state === 'running') {
-      const seconds = this._toSeconds(duration);
-      this._currentLap += seconds;
-      this._totalSeconds += seconds;
-    }
-  }
-
-  _toSeconds(duration) {
-    const [h, m, s] = duration.split(':').map(Number);
-    return h * 3600 + m * 60 + s;
-  }
-
-  _formatTime(seconds) {
-    const h = Math.floor(seconds / 3600);
-    const m = Math.floor((seconds % 3600) / 60);
-    const s = seconds % 60;
-
-    return `${String(h).padStart(2, '0')}:${String(m).padStart(2, '0')}:${String(s).padStart(2, '0')}`;
+    throw new Error('Remove this line and implement the function');
   }
 }