bowling-challenge-submission

docs/scorecard.js

@@ -0,0 +1,74 @@
+class Scorecard {
+
+  constructor() {
+    this.frames = []
+  }
+
+  calculateScore() {
+    let sum = 0;
+
+    for (let i = 0; i < this.frames.length; i++) {
+      let currentFrame = this.frames[i]
+      let nextFrame = this.frames[i + 1]
+      let nextNextFrame = this.frames[i + 2]
+
+      sum += this.frameScore(currentFrame)
+
+      if (currentFrame === this.frames[10]) {
+        sum -= this.frameScore(currentFrame);
+      }
+      else if (currentFrame.length < 2 && nextFrame.length === 2) {
+        sum += this.addStrikeBonus(nextFrame);
+      }
+      else if (currentFrame.length < 2 && nextFrame.length < 2) {
+        sum += this.addStrikesInARowBonus(nextFrame, nextNextFrame);        
+      }
+      else if (this.frameScore(currentFrame) === 10 && currentFrame.length === 2 ) {
+        sum += nextFrame[0];
+      }
+    }
+    return sum;
+  }
+
+    addFrame(roll1, roll2) {
+      if (roll1 < 10) {
+          this.frames.push([roll1, roll2]);
+
+      } else if (roll1 === 10 && this.frames.length === 10) {        
+          this.frames.push([roll1, roll2]); 
+      } else if (roll1 === 10 ) {
+          this.frames.push([roll1]);
+      }
+    }
+
+    frameScore(frame) {
+      let sum = 0;
+
+      for (let j = 0 ; j < frame.length; j++) {
+        sum += frame[j]; 
+      }
+      return sum;
+    }
+
+    addStrikeBonus(nextFrame) {
+      let sum = 0;
+
+      sum += nextFrame[0];
+      sum += nextFrame[1];
+
+      return sum;
+    }
+
+    addStrikesInARowBonus(nextFrame, nextNextFrame) {
+      let sum = 0;
+
+      sum += nextFrame[0];
+      sum += nextNextFrame[0];
+
+      return sum;
+    }
+
+}
+
+
+module.exports = Scorecard;