angular - Group items based on Month and year along with date range and type filters in Ionic2 -


i need group following json data based on month , year(sttransactiondate)

[{"sttransactiondate":"2017-03-08","sttransactiotime":"12:29:14.96","sttransactiotype":"fs","strequestamount":"12.00","stcompletionamount":"12.00","sfee":"00.20","stdepositamount":"12.00","sttransactiodesc":"balance enquiry"},{"sttransactiondate":"2017-08-03","sttransactiotime":"12:29:14.96","sttransactiotype":"ca","strequestamount":"12.00","stcompletionamount":"12.00","sfee":"00.20","stdepositamount":"12.00","sttransactiodesc":"atm transaction"},{"sttransactiondate":"2017-03-11","sttransactiotime":"12:39:14.96","sttransactiotype":"fs","strequestamount":"12.00","stcompletionamount":"12.00","sfee":"00.20","stdepositamount":"12.00","sttransactiodesc":"balance enquiry"},{"sttransactiondate":"2017-03-11","sttransactiotime":"12:39:14.96","sttransactiotype":"ca","strequestamount":"12.00","stcompletionamount":"12.00","sfee":"00.20","stdepositamount":"12.00","sttransactiodesc":"balance enquiry"},{"sttransactiondate":"2017-03-08","sttransactiotime":"12:29:14.96","sttransactiotype":"ca","strequestamount":"12.00","stcompletionamount":"12.00","sfee":"00.20","stdepositamount":"12.00","sttransactiodesc":"balance enquiry"},{"sttransactiondate":"2016-03-08","sttransactiotime":"12:29:14.96","sttransactiotype":"ca","strequestamount":"12.00","stcompletionamount":"12.00","sfee":"00.20","stdepositamount":"12.00","sttransactiodesc":"balance enquiry"}]

i tried using customized pipe iam getting errors. along have apply filters need show fs,ca(sttransactiotype) , date range filters}(i.e, start date , end date).

anyone please me this...

i used following pipe code 

import { pipe, pipetransform } "@angular/core"; @pipe({name: "filter",pure: false})    export class arrayfilterpipe implements pipetransform {      transform(items: array<any>, conditions: {[field: string]: any}): array<any> {         return items.filter(item => {             (let field in conditions) {                 if (item[field].split('-')[1] !== conditions[field].split('-')[1] || item[field].split('-')[0] !== conditions[field].split('-')[0]  ) {                      return false;                 }             }             return true;         });     } }

and in html <ion-card reorder="true" ion-item *ngfor="let item of items1 | filter:{sttransactiondate:item.sttransactiondate} >

i getting error @ passing item.sttransactiondate filter


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