angular - How to implement ng2-dragula and firebase with sort -


i trying show names have tables numbers , sorted tablenumber.

my data looks like:

enter image description here

and code is:

@component({   selector: 'dropanddrag',   template: ` <ul>  <li *ngfor="let item of (items|async)" [dragula]='"bag-one"' [dragulamodel]='(items|async)'></li> </ul>  ` }) export class sorttablecomponent {   items: any;   constructor(public service: smarttablesservice) {     this.items=this.service.getdata();   } }

the problem how can group table number , show, this.items array of objects, template ng should changed name property item.name .


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