const http = require('http');
const path = require('path');
const fs = require("fs");
const filetype = require("./filetype");
/**
* WebServer's options.
* @typedef WebServerOptions
* @type {object}
* @property {object} [options]
* @property {string} [options.directory=./public/] - The directory to load the file.
* @property {string} [options.notfound=default html code] - Html code to respond on not found.
* @property {Number} [options.port=3000] - Port to host the page.
*/
/**
* Create a WebServer.
* @constructor
* @param {WebServerOptions} [options] - WebServer Options.
* @returns {WebServer}
*/
class WebServer {
constructor(opts) {
this.opts = opts;
}
/**
* @returns {Promise<Object | null>}
*/
start() {
var _this = this;
return new Promise(async function (resolve, reject) {
var opt = _this.opts;
if (!opt) {
var options = {
directory: "./public",
notfound: `<!DOCTYPE html>\n<html>\n<head>\n<title>404 Not Found</title>\n</head>\n<body>\n<center>\n<h1>404 Not Found</h1>\n</center>\n<hr>\n<center>Node.js lite-web-server</center>\n</body>\n</html>`,
port: 3000
}
} else {
var _dir = opt.dir || opt.directory || "./public";
if (_dir == "/") {
var __dir = ".";
} else if (_dir.endsWith("/")) {
var __dir = _dir.slice(0, -1);
} else {
var __dir = _dir;
}
if (__dir.startsWith("/")) {
var dir = "." + __dir;
} else {
var dir = __dir;
}
var options = {
directory: dir || "./public",
notfound: opt.notfound || `<!DOCTYPE html>\n<html>\n<head>\n<title>404 Not Found</title>\n</head>\n<body>\n<center>\n<h1>404 Not Found</h1>\n</center>\n<hr>\n<center>Node.js lite-web-server</center>\n</body>\n</html>`,
port: opt.port || 3000
}
}
try {
var dir = await fs.readdirSync(options.directory);
} catch (error) {
reject(new Error(`Please create directory "${options.directory}" first.`));
return;
}
try {
var httpserver = http.createServer(async function (req, res) {
var url = req.url
//console.log(url)
if (url == "/") {
var filedir = `${options.directory}/index.html`
} else {
var filedir = `${options.directory}${url}`
}
try {
var httpcontent = await filetype(filedir.toString())
var file = await fs.readFileSync(filedir)
res.writeHead(200, { "Content-Type": httpcontent })
res.end(file)
} catch (error) {
res.writeHead(404, { "Content-Type": "text/html" })
res.end(options.notfound)
//console.log(error)
}
//fs.Dir.readSync(options.directory+url)
//console.log(options.directory)
}).listen(options.port);
resolve(httpserver);
} catch (error) {
reject(new Error(error));
}
});
}
}
module.exports = {
WebServer: WebServer,
GetContentType: function (filename) {
return filetype(filename);
}
}Source