lib/willitmerge.js
function parseImpact(data) {
  var impact = /([0-9]+) insertions\(\+\), ([0-9]+) deletions\(\-\)/i.exec(data);
  if (impact) {
    return Number(impact[1]) + Number(impact[2]);
  }
  return 0;
}
function parseImpact(data) {
  var impact = /([0-9]+) insertions\(\+\), ([0-9]+) deletions\(\-\)/i.exec(data);
  if (impact) {
    return Number(impact[1]) + Number(impact[2]);
  }
  return 0;
}
function parseImpact ( data ) { var impact = / ([0-9]+) insertions\(\+\), ([0-9]+) deletions\(\-\) / i . exec ( data ) ; if ( impact ) { return Number ( impact [ 1 ] ) + Number ( impact [ 2 ] ) ; } return 0 ; }
parse the insertions + deletions
parse the insertions + deletions