0029696: Add a sizeOf method to be able to know the size of the objects

Description

Add a sizeOf method to be able to know the size of the objects

This is useful to analyze user installations

Steps To Reproduce

verify that the new method can calculate the size of the OB object

Proposed Solution

Something like this:

      var memorySizeOf = function(obj) {
          var bytes = 0;

          function sizeOf(obj) {
              if(obj !== null && obj !== undefined) {
                  switch(typeof obj) {
                  case 'number':
                      bytes += 8;
                      break;
                  case 'string':
                      bytes += obj.length * 2;
                      break;
                  case 'boolean':
                      bytes += 4;
                      break;
                  case 'object':
                      var objClass = Object.prototype.toString.call(obj).slice(8, -1);
                      if(objClass === 'Object' || objClass === 'Array') {
                          for(var key in obj) {
                              if(!obj.hasOwnProperty(key)) continue;
                              sizeOf(obj[key]);
                          }
                      } else bytes += obj.toString().length * 2;
                      break;
                  }
              }
              return bytes;
          }

          function formatByteSize(bytes) {
              if(bytes < 1024) return bytes + " bytes";
              else if(bytes < 1048576) return(bytes / 1024).toFixed(2) + " KiB";
              else if(bytes < 1073741824) return(bytes / 1048576).toFixed(2) + " MiB";
              else return(bytes / 1073741824).toFixed(2) + " GiB";
          }

          return formatByteSize(sizeOf(obj));
      };

Issue History
Date Modified	Username	Field	Change
2015-04-24 15:58	Orekaria	New Issue
2015-04-24 15:58	Orekaria	Assigned To	=> Retail
2015-04-24 15:58	Orekaria	Triggers an Emergency Pack	=> No

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