Function sizeof

ng-scope-size.js:25–86

(object)

   */
   /* jshint -W073, -W071 */
  function sizeof(object){

    // initialise the list of objects and size
    var objects = [object];
    var size = 0;

    // loop over the objects
    for (var index = 0; index < objects.length; index += 1) {

      // determine the type of the object
      switch (typeof objects[index]) {

        case 'boolean': {
          size += 4; break;
        }

        case 'number': {
          size += 8; break;
        }

        case 'string': {
          size += 2 * objects[index].length;
          break;
        }

        case 'object': {

          // loop over the keys
          for (var key in objects[index]) {
            if (!objects[index].hasOwnProperty(key)) {
              continue;
            }
            if (key[0] === '$' || key === 'this' || key === 'constructor' || key === 'lenth') {
              continue; // angular's internal property ($apply, etc)
            }

            // determine whether the value has already been processed
            var processed = false;
            /* jshint -W073 */
            for (var search = 0; search < objects.length; search += 1){
              if (objects[search] === objects[index][key]){
                processed = true;
                break;
              }
            }

            // queue the value to be processed if appropriate
            if (!processed) {
              objects.push(objects[index][key]);
            }

          }
        }

      }

    }