async-await.es7

import request from "request-promise";
import {readFile, writeFile} from "mz/fs";

let uri = "http://localhost:8917";

async () => {
    let body = await request.get({uri});
    await writeFile(__dirname + "/foo", body);
    let contents = await readFile(__dirname + "/foo");
    await writeFile(__dirname + "/bar", contents.toString().split("").reverse().join(""));
    let res = await request({uri, method: "POST"});
    console.log(res);
}()