Angular 2 - ngFor index after a pipe

Question

In Angular 2 when using ngFor how would I get the original index for an object within an array after it has been passed through a pipe?

For example if I have an arra

Answer 1

If i understood you correctly you want index of original list, in that case you can use that filtered object to find out origin index from original list.

 {{getIndex(iteml)}} - {{item.id}}
  

and then define geIndex method in you component which can return Index from original list which is not been filtered.

getIndex(item: Item) {
    return this.list.indexOf(this.list.filter((i, index) => item.id == i.id)[0])
}