logServer (next milestone is auto-generate types for yup)

logServer.js

const fs = require("fs");
const http = require("http");

http
  .createServer((req, res) => {
    res.setHeader("Content-Type", "application/json");
    let endMsg = JSON.stringify({
      message: "Request Finished"
    });
    switch (req.url) {
      case "/log":
        if (req.method !== "POST") {
          res.statusCode = 404;
          res.end(endMsg);
          // res.end(JSON.stringify({ message: "Invalid Method" }));
        }

        let body = "";
        req.on("data", chunk => {
          body += chunk.toString();
        });
        req.on("end", () => {
          fs.writeFile(
            "./logs.json",
            JSON.stringify(JSON.parse(body), null, 2),
            (err, _) => {
              if (err) {
                res.end(
                  JSON.stringify({
                    message: "Writing file error"
                  })
                );
              }
              res.end(JSON.stringify({ message: "finished" }));
            }
          );

          res.statusCode = 200;
          res.end(endMsg);
        });

      default:
        res.statusCode = 404;
        res.end(endMsg);
    }
  })
  .listen(8091, () => {
    console.log("running on 8091");
  });