map

import { map } from "https://raw.githubusercontent.com/surma/observables-with-streams/28c55be6d855780c677fd1f4ba975f4d3144891d/src/index.ts";

Returns a Transform with the results of applying the given function to each emitted item of the original observable.

function map<S, T>(f: (x: S) => T | Promise<T>): Transform<S, T>;

map<S, T>(f: (x: S) => T | Promise<T>): Transform<S, T>

f: (x: S) => T | Promise<T>

Function called with each emitted item. If it returns a promise, the result is awaited then emitted.

Transform that emits items produced by f.