mapArray

Import

import { mapArray } from 'ngxtension/map-array';

Usage

Basic

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

import { of } from 'rxjs';
import { mapArray } from 'ngxtension/map-array';

const source$ = of([1, 2, 3]);
const transformed$ = source$.pipe(mapArray((e) => e + 1));

Examples

Example 1: Double Array Elements

const source$ = of([1, 2, 3]);
const transformed$ = source$.pipe(mapArray((e) => e * 2));
// Output: [2, 4, 6]

API

Inputs

• mapFn: (item: T, index: number) => R - A function to transform each element of the array, similar to JavaScript’s .map() method.