Count Properties of Value Obj (Couchbase Reduce Function)

count_props.js

function (keys, values, rereduce) 
{
  var reduced = {};
  for (var v in values) {
    var val = values[v];
    for (var k in val) {
      if (val[k]) {
        if (rereduce) {
          reduced[k] = (reduced[k] || 0) + (val[k] || 0);
        } else {
          reduced[k] = (reduced[k] || 0) + 1;
        }        
      }   
    }
  }
  return reduced;
}