"use strict";

const Promise = require("bluebird");
const path = require("path");
const errorChain = require("error-chain");

const pipe = require("@promistream/pipe");
const fromNodeStream = require("@promistream/from-node-stream");
const map = require("@promistream/map");
const join = require("@promistream/join");
const splitLines = require("@promistream/split-lines");
const decodeString = require("@promistream/decode-string");
const readFile = require("./");

return Promise.try(() => {
	return pipe([
		readFile(path.join(__dirname, "example.js")),
		decodeString("utf8"),
		splitLines(),
		map((line) => line.trim()),
		join("\n"),
		fromNodeStream(process.stdout)
	]).read();
}).then(() => {
	console.log("Done!");
}).catch((error) => {
	console.error(errorChain.render(error));
});