Last active
July 26, 2024 16:29
-
-
Save prof3ssorSt3v3/8d9fc6be89d3aefd3ea84b92f923181a to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // A BASIC Node server | |
| // Routing Requests | |
| const http = require("http"); | |
| const url = require("url"); | |
| const server = http.createServer(function(req, res) { | |
| //console.log(req.url); | |
| let parsedURL = url.parse(req.url, true); | |
| let path = parsedURL.pathname; | |
| // parsedURL.pathname parsedURL.query | |
| // standardize the requested url by removing any '/' at the start or end | |
| // '/folder/to/file/' becomes 'folder/to/file' | |
| path = path.replace(/^\/+|\/+$/g, ""); | |
| console.log(path); | |
| let qs = parsedURL.query; | |
| let headers = req.headers; | |
| let method = req.method.toLowerCase(); | |
| req.on("data", function() { | |
| console.log("got some data"); | |
| //if no data is passed we don't see this messagee | |
| //but we still need the handler so the "end" function works. | |
| }); | |
| req.on("end", function() { | |
| //request part is finished... we can send a response now | |
| console.log("send a response"); | |
| //we will use the standardized version of the path | |
| let route = | |
| typeof routes[path] !== "undefined" ? routes[path] : routes["notFound"]; | |
| let data = { | |
| path: path, | |
| queryString: qs, | |
| headers: headers, | |
| method: method | |
| }; | |
| //pass data incase we need info about the request | |
| //pass the response object because router is outside our scope | |
| route(data, res); | |
| }); | |
| }); | |
| server.listen(1234, function() { | |
| console.log("Listening on port 1234"); | |
| }); | |
| //define functions for the different Routes | |
| //This object and the functions could be defined in another file that we import | |
| //Each route has a function that takes two parameters | |
| //data: the info about the request | |
| //callback: the function to call to send the response | |
| let routes = { | |
| kenny: function(data, res) { | |
| // this function called if the path is 'kenny' | |
| let payload = { | |
| name: "Kenny" | |
| }; | |
| let payloadStr = JSON.stringify(payload); | |
| res.setHeader("Content-Type", "application/json"); | |
| res.setHeader("Access-Control-Allow-Origin", "*"); | |
| res.writeHead(200); | |
| res.write(payloadStr); | |
| res.end("\n"); | |
| }, | |
| cartman: function(data, res) { | |
| // this function called if the path is 'cartman' | |
| let payload = { | |
| name: "Cartman" | |
| }; | |
| let payloadStr = JSON.stringify(payload); | |
| res.setHeader("Content-Type", "application/json"); | |
| res.setHeader("Access-Control-Allow-Origin", "*"); | |
| res.writeHead(200); | |
| res.write(payloadStr); | |
| res.end("\n"); | |
| }, | |
| "kenny/is/mysterion": function(data, res) { | |
| //this function called if path is 'kenny/is/mysterion' | |
| let payload = { | |
| name: "Mysterion", | |
| enemy: "The Coon", | |
| today: +new Date() | |
| }; | |
| let payloadStr = JSON.stringify(payload); | |
| res.setHeader("Content-Type", "application/json"); | |
| res.setHeader("Access-Control-Allow-Origin", "*"); | |
| res.writeHead(200); | |
| res.write(payloadStr); | |
| res.end("\n"); | |
| }, | |
| notFound: function(data, res) { | |
| //this one gets called if no route matches | |
| let payload = { | |
| message: "File Not Found", | |
| code: 404 | |
| }; | |
| let payloadStr = JSON.stringify(payload); | |
| res.setHeader("Content-Type", "application/json"); | |
| res.setHeader("Access-Control-Allow-Origin", "*"); | |
| res.writeHead(404); | |
| res.write(payloadStr); | |
| res.end("\n"); | |
| } | |
| }; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment