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request.url Express and Node


request.url Express and Node

By : User_android
Date : November 22 2020, 11:12 AM
should help you out As you can see on the static middleware source, a middleware is basic a function that receives the parameters (request, response, next_function).
So you could create a function that reads the url before it goes to static middleware.
code :
var express = require('express');
var app = express();

var staticfn = express.static(__dirname+'/public');
app.use(function (req,res,next) {
    console.log(req.url);
    var sendStream = staticfn(req,res,next);
    console.log(sendStream.path);
});

app.listen(3000)


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Node + Express: Does Express clone the req and res objects for each request handler?

Node + Express: Does Express clone the req and res objects for each request handler?


By : Fool
Date : March 29 2020, 07:55 AM
I wish this help you Express doesn't clone req and res. You can see that in this example app:
code :
var http = require('http');
var express = require('express');

var app = express();
var testReq, testRes;

app.use(function(req, res, next) {
  console.log('middleware');
  testReq = req;
  testRes = res;
  next();
});

app.get("*", function(req,res) {
  console.log('route')
  console.log('req the same? ' + (req === testReq)); // logs true
  console.log('res the same? ' + (res === testRes)); // logs true

  res.send(200);
});


http.createServer(app).listen(8080);
$ curl localhost:8080
"Error: connect ENOENT" when node express middleware makes a POST request (using node request library)

"Error: connect ENOENT" when node express middleware makes a POST request (using node request library)


By : Rob
Date : March 29 2020, 07:55 AM
should help you out I experienced this issue on multiple machines. Running the identical code snippet you provided I found POSTs worked fine when using request@2.69.0 but consistently failed with Error: ENOENT for request@2.51.0 and various other minor versions < 2.69.
I suggest updating your package.json with the following to fix this issue: "request": "~2.69.0".
node express/request: piping a POST request with body parsing

node express/request: piping a POST request with body parsing


By : sandaruwan
Date : March 29 2020, 07:55 AM
it helps some times The issue is that with streams (like req), once you've read it you can't reset it.
Because body-parser has read the stream already, piping it won't work because that will try to read the stream again (which at that point has been exhausted).
code :
var intoStream = require('into-stream');
var bodyParser = require('body-parser');
var textParser = bodyParser.text({ limit: '50kb' });

var postRouteHandler = function(req, res) {
  let text = req.body;
  if (! shouldPipe(text)) {
    return res.sendStatus(400); // or whatever
  }

  // Here's where the magic happens: create a new stream from `text`,
  // and copy the properties from `req` that `request` needs to pass
  // along the request to the destination.
  let stream     = intoStream(text);
  stream.method  = req.method;
  stream.headers = req.headers;

  // Pipe the newly created stream to request.
  stream.pipe(request(url)).pipe(res);
};
app.use('/postRoute', [textParser, postRouteHandler]);
Can node express serve the next request before returning a response for the current request?

Can node express serve the next request before returning a response for the current request?


By : Alexey Politov
Date : March 29 2020, 07:55 AM
like below fixes the issue Nodejs is called single threaded because all the requests are served by a single thread(let's call this thread main).
Lets say your two requests are coming in the server: Request 1 -> Has to read a large file (let's say about 100MB) and then parse a result and then return the value Request 2 -> fetch the result of 2+2 and then return a response
Node.js express request - Fade in and out bootstrap modal on request error

Node.js express request - Fade in and out bootstrap modal on request error


By : Thecutecat
Date : March 29 2020, 07:55 AM
will help you I'm using node.js express express-session and request. If a request has an error I fade in and out a bootstrap alert message. This works. But if I want to fade in and out a bootstrap modal ... this doesn't work. That's my setup: , you can access ejs variables inside script ,
code :
<script>
    if(messages.error){
     $("#myModal").modal('show');
    }   
</script>
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