How to use two responses at once?

Question

I have a working template engine (pug) to fill it's website with content depending from the situation. Acutally that template is rendered for the site '/show'.

Now I also need to change the url of this website depending from the content. That means I need the same template with new content for sites like: '/tree', '/house', '/urban' an do so. '/show' is the starting point, I need to change it's url with the new content.

I'm sure there is an easy answer, but I can't find the fitting question for that. So I can't find the right answer per searchengine. (Express.js res.render() and res.redirect() was my closest success, but it is not helpful for me.

I know, the following code is incorrect, at least because of the two resp.

server.get('/show', (req, resp) => {
    loadContent(function(err, content){
        if(content){
            resp.location('/tree');
            resp.render('myTemplate', content);
        } else{
            console.log(err);
        }
    })
});

How can I send my content to the template and replace the url to see both on the browser?

Do you need the same template for multiple url or do you need the url `/show` to redirect to `/tree`? — slebetman, Aug 06 '19 at 21:17

score 0 · Answer 1 · answered Aug 05 '19 at 10:20

0

to send data to your pug template with express js use this syntax

const router = require('express').Router();
server.get('/show', (req, res, next) => {
 loadContent(function(err, content){
    if(content){
        res.render('myTemplate', { content: content });
    } else{
        console.log(err);
    }
   })

and you will get it

script.
var content = !{content};

answered Aug 05 '19 at 10:20

Rebai Ahmed

1,509
1
14
21

Thanks. That part was already working. I focused my description. I need to change the url in addition. – listener Aug 05 '19 at 10:29
URL of redirection? please can you clarify more your needs – Rebai Ahmed Aug 05 '19 at 10:35
I have edited my question. I hope it expresses my need better. – listener Aug 05 '19 at 10:41

score 0 · Answer 2 · answered Aug 07 '19 at 10:46

0

Well, I've found my problem. My approach was incorrect.

With

server.get('/:kindOfSite', function(req, resp){...});

I'm able to load the same template for different sites.

Learning can get hard sometimes...

answered Aug 07 '19 at 10:46

listener

47
7

score 0 · Answer 3 · answered Aug 07 '19 at 13:00

Remember that your express route handlers are just functions. There's nothing that forces you to use an anonymous function. You can just use a regular function:

function handleRequest (req, resp) {
    loadContent(function(err, content){
        if(content){
            resp.location('/tree');
            resp.render('myTemplate', content);
        } else{
            console.log(err);
        }
    })
}

server.get('/show', handleRequest);
server.get('/tree', handleRequest);
server.get('/house', handleRequest);
server.get('/urban', handleRequest);

Indeed, you can do a bit of metaprogramming and call server.get() in a loop:

['/show','/tree','/house','/urban].forEach(route => {
     server.get(route,handleRequest)
});

In fact, Express accepts regular expressions as route paths:

server.get(/\/(show|tree|house|urban)/, (req, resp) => {
    loadContent(function(err, content){
        if(content){
            resp.location('/tree');
            resp.render('myTemplate', content);
        } else{
            console.log(err);
        }
    })
});

How to use two responses at once?

3 Answers3