javascript - json format of countries data to hierarchal data -


i have json data data:[ {'country':'uk','district':'whitefield','ward':'eastward','county':'eastcounty1','company':'privatecompany'}, {'country':'uk','district':'whitefield','ward':'eastward','county':'eastcounty1','company':'privatecompany2'}, {'country':'uk','district':'whitefield','ward':'eastward','county':'eastcounty2','company':'privatecompany3'}, {'country':'uk','district':'whitefield','ward':'westward','county':'westcounty1','company':'privatecompany'}, {'country':'uk','district':'blackfield','ward':'westward','county':'eastcounty1','company':'privatecompany'}, {'country':'india','district':'andhra','ward':'ramnagar','county':'','company':'privatecompany'} ]

i have convert hierarchal structure like..

data:{'uk':{         "whitefield":{           "eastward":{             "eastcounty1":["privatecompany","privatecompany2"],             "eastcounty2":["privatecompany3"]             },           "westward":{             "westcounty1":["privatecompany"],             "eastcounty1":["privatecompany"]             }           },        "blackfield":{            "westward":{"eastcounty1":["privatecompany"]}                          }      }, "india":{    "andhra":{       "ramnagar":["privatecompany"]       }   }}

in above case have county=" " or county=null in 1 scenario been replaced shown above in ramnagar ward.

you need loop through each item , build json object fiddle here

function mergedata(data) {      var outp = {};        // loop through each object , add      (var = 0; < data.length; i++) {          var obj = data[i];          if (outp.hasownproperty(obj.country)) {              if (outp[obj.country].hasownproperty(obj.district)) {                  if (outp[obj.country][obj.district].hasownproperty(obj.ward)) {                      if (outp[obj.country][obj.district][obj.ward].hasownproperty(obj.county)) {                          outp[obj.country][obj.district][obj.ward][obj.county].push(obj.company);                      }                      else {                          if (obj.county == "" || obj.county == null) {                              if (array.isarray(outp[obj.country][obj.district][obj.ward])) {                                  outp[obj.country][obj.district][obj.ward].push(obj.company);                              }                              else {                                  outp[obj.country][obj.district][obj.ward] = [obj.company];                              }                          }                          else {                              outp[obj.country][obj.district][obj.ward][obj.county] = [obj.company];                          }                      }                  }                  else {                      outp[obj.country][obj.district][obj.ward] = {};                      outp[obj.country][obj.district][obj.ward][obj.county] = [obj.company];                                      }              } else {                  outp[obj.country][obj.district] = {};                  outp[obj.country][obj.district][obj.ward] = {};                  outp[obj.country][obj.district][obj.ward][obj.county] = [obj.company];              }          } else {              outp[obj.country] = {};              outp[obj.country][obj.district] = {};                            if (obj.county == "") {                  outp[obj.country][obj.district][obj.ward] = [obj.company];              }              else {                  outp[obj.country][obj.district][obj.ward] = {};                  outp[obj.country][obj.district][obj.ward][obj.county] = [obj.company];              }            }      }        console.log(json.stringify(outp));      return outp;  }    function domerge() {        var data = [{          'country': 'uk',          'district': 'whitefield',          'ward': 'eastward',          'county': 'eastcounty1',          'company': 'privatecompany'      }, {          'country': 'uk',          'district': 'whitefield',          'ward': 'eastward',          'county': 'eastcounty1',          'company': 'privatecompany2'      }, {          'country': 'uk',          'district': 'whitefield',          'ward': 'eastward',          'county': 'eastcounty2',          'company': 'privatecompany3'      }, {          'country': 'uk',          'district': 'whitefield',          'ward': 'westward',          'county': 'westcounty1',          'company': 'privatecompany'      }, {          'country': 'uk',          'district': 'blackfield',          'ward': 'westward',          'county': 'eastcounty1',          'company': 'privatecompany'      }, {          'country': 'india',          'district': 'andhra',          'ward': 'ramnagar',          'county': '',          'company': 'privatecompany'      }];        mergedata(data);  }
<button onclick="domerge()">merge</button>


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