axax/esnext/interval.js

A library of async iterator extensions for JavaScript including ```map```, ```reduce```, ```filter```, ```flatMap```, ```pipe``` and [more](https://github.com/jamiemccrindle/axax/blob/master/docs/API.md#functions).

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const subject_1 = require("./subject");
/**
 * Emit numbers in sequence
 */
function interval(period, timeout) {
    const subject = new subject_1.Subject();
    let counter = 0;
    async function inner() {
        if (!subject.isDone()) {
            await subject.onNext(counter++);
            (timeout || setTimeout)(inner, period);
        }
    }
    inner();
    return subject.iterator;
}
exports.interval = interval;