Binary gap of decimal

getIntBinaryGap.txt

/**
 * Get the "binary gap" if a given decimal, the maximal number of '0'
 * between two '1' in the binary representation of a number.
 *
 * eg. 155 -> 10011011 - binary gap = 2
 * eg. 12112 -> 10111101010000 - binary gap = 1
 */
const getIntBinaryGap = decimal => {
  // Convert to binary
  const binaryStr = (decimal >>> 0).toString(2);
  
  // Trim edge zeroes, split by 1
  return Math.max(
    ...binaryStr
      .replace(/^0+|0+$/g, '')
      .split('1')
      .filter(i => true)
      .map(i => i.length)
  );
};