function incrementVersion()

in scripts/release.js [119:151]

• 23 lines of code
• 5 McCabe index (conditional complexity)

function incrementVersion(version) {

  let digits = version.split('.').map(digit => {
    return /^\d+$/.test(digit) ? parseInt(digit) : digit;
  });

  let index = digits.length - 1;

  while (index !== -1) {
    let currentIndex = index;
    let currentDigit = digits[currentIndex];

    if (typeof currentDigit !== 'number') {
      index--;
      continue;
    }

    // Increase the digit for the next version.
    currentDigit++;

    if (currentDigit > 9) {
      currentDigit = 0;
      index--;
    } else {
      index = -1;
    }

    // Update the changed digit.
    digits[currentIndex] = currentDigit;
  }

  return digits.join('.');
}