const express = require("express"); const http = require("http"); const app = express(); const server = http.createServer(app);

var url = "http://naveendevinda.netlify.app" || "http://localhost:3000" || ""; const io = require("socket.io")(server, { cors: { origin: url, methods: ["GET", "POST"], allowedHeaders: ["my-custom-header"], credentials: true } }); //ffffffffffff / cors: { origin: "http://localhost:3000", origin: "http://naveendevinda.netlify.app", methods: [ "GET", "POST" ] } */

app.get('/', (frontenddata, resp) => { resp.send("sever is running !"); });

//acces the eve file insite PORT or 5000 var PORT = process.env.PORT || 5000; server.listen(PORT, () => console.log("server is running on port 5000"))

/* const express = require("express"); var cors = require('cors'); const http = require("http"); const bodyParser = require('body-parser'); const app = express(); const server = http.createServer(app);

//cors erro fix in socket.io const io = require("socket.io")(server, { cors: { origin: "https://localhost:3000", methods: ["GET", "POST"] } });

app.use(cors()); app.use(bodyParser.urlencoded({ extended: true })); app.use(bodyParser.json());// parse application/json

io.on("connection", (socket) => {

//whiteboard shairing end point path
socket.on('canvas-data', (data)=> {
	socket.broadcast.emit('canvas-data', data);

}); });

//show the data web page app.get('/',(frontenddata,resp)=>{ //console.log(frontenddata.body); // catch the front end send data resp.send("Back end is working savindu .."); });

//show the data web page app.get('/a',(request,response)=>{ const data = [ { id: '1', nmae: "savindu" }, { id: '2', name: "pasintha" }, { id: '3', name: "lakmal" } ]; response.json(data); // response.send({name:"savindu", age:"18"}); // web url to send anytype of data //response.json(data); /// web url to add json data set console.log("data"); // catch the front end send data });

//hide the web page view data encripted app.post('/b',(request,response)=>{

 if( 'Finn' === request.body.firstName){
		response.send({id: 'ok-'+'Finn'});
 }else{
	response.send(request.data);
 }

 //response.send("okoooooooooooooooooo");
const datajj = [
	{ id: '4', nmae: "savindu" },
	{ id: '5', name: "pasintha" },
	{ id: '6', name: "lakmal" }
];
//console.log(request.body.lastName);
response.send(datajj);  //response.json(data); response.send({name:"savindu", age:"18"}); // web url to send anytype of data
//console.log(request.body.lastName);
//response.json.stringfy(sending data variable);
//return "send data";

});

//acces the eve file insite PORT or 5000 var PORT = process.env.PORT || 5000; server.listen(5000, () => console.log("server is running on port 5000"))

/* npm install package.json create file server.js craete npm i cors -> prevented the cors erro express -> nodejs framework socket.io -> realtime communication with api nodemon -> auto restart server body-parser -> read the frontend using send data set body --save if you want fontend to add "proxy":"http://localhost:5000", */

"scripts": { "dev": "nodemon server.js", "server":"nodemon server.js" "start": "node server.js", },

*/