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FagnerMartinsBrack/DynamicIndex.diff

Created November 22, 2018 10:44
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(Medium) - How TDD Can Prevent Over-Engineering
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DynamicIndex.diff
let interestAmount = Money('$0.00');
- if (loanAmount.greaterThan(ranges[0].endOfRange)) {
- interestAmount = interestAmount.plus(calculateInterest(loanAmount, ranges[0]));
- }
-
- if (loanAmount.greaterThan(ranges[1].endOfRange)) {
- interestAmount = interestAmount.plus(calculateInterest(loanAmount, ranges[1]));
- }
-
- if (loanAmount.greaterThan(ranges[2].endOfRange)) {
- interestAmount = interestAmount.plus(calculateInterest(loanAmount, ranges[2]));
+ for (let i = 0; i < ranges.length; i += 1) {
+ if (loanAmount.greaterThan(ranges[i].endOfRange)) {
+ interestAmount = interestAmount.plus(calculateInterest(loanAmount, ranges[i]));
+ }
}
return interestAmount;
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