expressjs/express

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple

Alfredo Severo

@portal7

Gracias @yosiasz !!! / U Welcome!

Ghost

@ghost~5c363bf4d73408ce4fb42605

so which response type would xhr fall under. by you saying res.json that is a Document.
https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/responseType

look at this section
https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/responseType#synchronous_xhr_restrictions

Alfredo Severo

@portal7

following last link, then i guess that i could change the kind of the function to async in order to follow the specification?

Ghost

@ghost~5c363bf4d73408ce4fb42605

yep

Alfredo Severo

@portal7

ok I'll try

Ghost

@ghost~5c363bf4d73408ce4fb42605

:pray:

but not sure what your business case/requirements is that it requires xhr

Alfredo Severo

@portal7

and I'll let you know how it was

is not necessarily a requirement, just to mimic the original response that I try to replay

after all, the content is the same.

Ghost

@ghost~5c363bf4d73408ce4fb42605

:soccer:

Alfredo Severo

@portal7

changed functions to async and implemented with await, but chromes still showing response type as Document

Ghost

@ghost~5c363bf4d73408ce4fb42605

Are you still doing res.json?

you need to read some more. https://expressjs.com/en/api.html#req.xhr

just changing the functions to async is obviously not enough

Santiago Miranda

@santimirandarp

Hi there...I've created an app with express-generator

one of the root files is app.js, but there is also site.js

but that file is almost empty...it's a file contemplating x509 certificates etc, any idea why it's there?

Christian Garrovillo

@cgarrovillo

How does Express handle subprocesses? Would I cause any issues with the framework if I used the Node.JS modules directly?

Wilbert Comicho

@wcomicho_gitlab

Hi,
Anyone here tried IIS and NodeJS express with url rewrite? My problem is that the URL Rewrite is re-writing sites that are suppose to be redirected outside my local app.
Suppose to be like this: res.redirect("external.com/somepath") but its returning "internal.com/somepath".

da-source

@da-source

I'm passing a variable to my template renderer in ExpressJs like so:

index.js
app.get('/simple_view/', function(req, res, next){
title='A TITLE';
res.render('simple', {
title: title
});
});
I would like to access the title variable in a JS script on my template page, but I'm getting Uncaught ReferenceError: title is not defined error.

simple,pug
script.
console.log(title);
How can I solve this?

Elle Burgess

@develleoper

does anybody know if 5.0 is ever slated for release? there's tracker issues claiming a series of "summer of this year" and "end of this year" estimates since 2019

and i just really want to stop having to worry about manual async error handling 😥

Caleb David

@microworlds

Hello all! :raised_hands: I am a noob. Are there any frameworks/resources for building Chrome extensions with Vue js using the latest Chrome manifest_version: 3? Thanks in advance. This framework: https://github.com/Kocal/vue-web-extension seems unmaintained and does not support manifest v3

verlainek83

@verlainek83

hi everybody, i have this bug whan i want to start my app: Too many tables; MySQL can only use 61 tables in a join

SequelizeDatabaseError: Too many tables; MySQL can only use 61 tables in a join
at Query.formatError (/home/elodie/tfe/placetopark/node_modules/sequelize/lib/dialects/mysql/query.js:265:16)
at Query.run (/home/elodie/tfe/placetopark/node_modules/sequelize/lib/dialects/mysql/query.js:77:18)
at processTicksAndRejections (internal/process/task_queues.js:97:5).

verlainek83

@verlainek83

my app work with expressjs sequelize and MySql

Ghost

@ghost~5c363bf4d73408ce4fb42605

Do you really need to join to 61 tables? Most unsual

verlainek83

@verlainek83

i have join 13 tables and after that the error occurs

in my class diagram i have 15 tables, but for start running the app i create 13 tables

i don't know why i have this error

Kal Sze

@ksze

Can somebody explain to me how I fix this CORS-related error that I see in Firefox? "Reason: header ‘access-control-allow-origin’ is not allowed according to header ‘Access-Control-Allow-Headers’ from CORS preflight response"

1 reply

I'm using expressjs and its cors middleware.

I have already added this before any of my routes in my server code:

app.use(cors({
      methods: 'GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS',
      origin: [myOrigin1, myOrigin2],
      allowedHeaders: ['Access-Control-Allow-Origin'],
}));

Kal Sze

@ksze

Or how can I make morgan log every request header that it receives? I'm not suspecting that something between my backend and the frontend is mangling the requests.

e.g. the reverse proxy/load balancer/api gateway

Levi Richardson

@lerichardson

Hi, I'm having a weird issue, wondering if someone could help me out

Ghost

@ghost~5c363bf4d73408ce4fb42605

Would you like to tell us about it? We are at edge of our seats

Zircoz

@Zircoz

lol

WORMSS

@WORMSS

I feel ashamed a Richardson would ask to ask a question. (oh, I forgot my name on here is WORMSS and not my real name.. I am also a Richardson)

Joe Pea

@trusktr

Anyone know how to make express.static serve symlinked files?

When a file is a symlink, it doesn't work.

Ghost

@ghost~5c363bf4d73408ce4fb42605

Never met a Richardson I never liked

@trusktr what kins of file

carcleo

@carcleo

Hey everyone
I am getting the follow error:

Error: No default engine was specified and no extension was provided.

Its my code:

const express = require('express')
const handlebars = require("express-handlebars")
const router = express.Router()
const app = express()
app.engine("handlebars", handlebars({defaultLayout : "main"}))
app.set("view engine", "handlebars")
app.set('views',"../app/mvc/views")
app.use(express.urlencoded({extended: true}))
app.use(express.json())

router.get('/', (req, res) => {
res.render("home/home")
})

module.exports = router

How i can resolve it?

Thank U to who can help-me

Jacob Schmidt

@innovativestudios_gitlab

Is there a way in which one could pass an array of res from a single req? I.E. router.get('/forum', { showCategories, showTopics, showThreads });

rashid.nk

@rashid-naico_gitlab

hello room

rashid.nk

@rashid-naico_gitlab

I'm working on an existing project.

a GET request sent to express api, there is no body or any parameter
but in api console.log prints a req.user object

//UI request  : 
myapp/api/user/getUsersTransactions 

//route
user.route('/getUsersTransactions')
  .get(userController.getUsersTransactions);

//controller
exports.getUsersTransactions= async (req, res, next) => {
  console.log(req.user, 'user')

can someone help me to understand, where does object req.user come from ?

Seif Eddine Slimene

@SeifESlimene

@rashid-naico_gitlab Use debugger statement and see the call stack.

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