angularjs - How make multicolumns pipes filter? -

i have such paipe , work column: name author no longer.

 export class filterbook2 implements pipetransform {
  transform(items: book[], filter: book): {     if (!items || !filter) {         return items;     }      // filter items array, items match , return true kept, false filtered out      return items.filter((item) => item.nazwa.indexof(filter.nazwa) || item.autor.indexof(filter.autor)  !== -1)  } 

}

input date:

filterargs = { nazwa: "", autor: "" }

i think trying filter books multiple arguments. can pass multiple values pipe transform function this:

<div *ngfor="let book of books | filterbook2 : firstarg : secondarg">     ... </div> 

and in pipe class

export class filterbook2 implements pipetransform {    transform(items: book[], firstarg: book, secondarg: any): {        // logic here    } }