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scorecard.js
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scorecard.js
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var lodash = require('lodash');
class Scorecard {
constructor(frames) {
this.frames = frames
}
finalScore() {
let finalScoreCard = 0
let merge = this.frames.flat(1)
let sum = lodash.sum(merge);
finalScoreCard += sum
this.frames.forEach((frame, index) => {
finalScoreCard += this.strikeBonus(index)
finalScoreCard += this.spareBonus(index)
});
return finalScoreCard
};
private
isStrike(frame) {
if (frame[0] === 10) {
return true
}
};
strikeBonus(index) {
if (index === 9) {
return 0
} else if (!(this.isStrike(this.frames[index]))) {
return 0
}
let nextFrame = this.frames[index + 1]
let finalFrame = this.frames[9]
if (this.isStrike(nextFrame) === true ) {
return (nextFrame[0] + finalFrame[0])
} else if (this.isStrike(this.frames[index]) === true ) {
return lodash.sum(nextFrame)
}
};
isSpare(frame) {
if (frame.length > 1 && frame[0] + frame[1] == 10) {
return true
}
};
spareBonus(index) {
if (index === 9) {
return 0
}
let nextFrame = this.frames[index + 1][0]
if (this.isSpare(this.frames[index]) === true ) {
return nextFrame
} else
return 0
};
}
module.exports = Scorecard;