filterArray

Import

import { filterArray } from 'ngxtension/filter-array';

Usage

Basic

Apply a filtering function to an array emitted by an Observable.

import { of } from 'rxjs';
import { filterArray } from 'ngxtension/filter-array';

const source$ = of([1, 2, 3]);
const filtered$ = source$.pipe(filterArray((element) => element <= 2));

Examples

Example 1: Filter Even Numbers

const source$ = of([1, 2, 3, 4, 5]);
const filtered$ = source$.pipe(filterArray((element) => element % 2 === 0));

API

Inputs

• filterFn: (item: T, index: number) => boolean - A function to filter the array, similar to JavaScript’s .filter() method.