main.js

const port = 3000,
http = require("http"),
httpStatusCodes = require("http-status-codes"),
router = require("./router"),
fs = require("fs");
plainTextContentType = {
    "Content-Type": "text/plain"
    },
    htmlContentType = {
    "Content-Type": "text/html"
    },
    customReadFile = (file, res) => {
    fs.readFile(`./${file}`, (errors, data) => {
    if (errors) {
    console.log("Error reading the file...");
    }
    res.end(data);
    });
    };
    router.get("/", (req, res) => {
    res.writeHead(httpStatusCodes.OK, plainTextContentType);
    res.end("INDEX");
    });
    router.get("/index.html", (req, res) => {
    res.writeHead(httpStatusCodes.OK, htmlContentType);
    customReadFile("views/index.html", res);
    });
    router.get("/info.html", (req, res) => {
        res.writeHead(httpStatusCodes.OK, htmlContentType);
        customReadFile("views/info.html", res);
        });
    router.post("/", (req, res) => {
    res.writeHead(httpStatusCodes.OK, plainTextContentType);
    res.end("POSTED");
    });
    http.createServer(router.handle).listen(3000);
    console.log(`The server is listening on port number:
    ! ${port}`);