simple-source/example.js

"use strict";

const Promise = require("bluebird");
const simpleSource = require("./");
const collect = require("@promistream/collect"); // FIXME: add devdep
const pipe = require("@promistream/pipe");
const EndOfStream = require("@promistream/end-of-stream");

function generateNumbers() {
	let i = 0;
	let max = 10;

	return simpleSource({ onRequest: () => {
		if (i < max) {
			i += 1;
			return i;
		} else {
			throw new EndOfStream();
		}
	}});
}

return Promise.try(() => {
	return pipe([
		generateNumbers(),
		collect()
	]).read();
}).then((result) => {
	console.log(result);
});