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Questions tagged [express-ws]

13 questions
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Websocket uses more network bandwidth than http

I am doing a project and I got stuck with websockets. I am using express.ws library. Lately, the app has worked without websockets at all: all the requests were sent from the client in a plain http request. However, my app is built so that the…
Fortnite
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TypeError: router.ws is not a function express-ws typescript

I'm trying to create a websocket endpoint for router in my express app with express-ws module but getting an error. Here is an entry point of the server index.ts: import express from 'express'; import expressWs from 'express-ws'; import * as dotenv…
lian
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Websocket failed when first time rendering - React

new WebSocket() is failing when I firest render the application, but when I refresh the page it reconnects and works properly error -> WebSocket connection to 'ws://localhost:3001/?editorId=a3tq1&testId=noTestIdGiven' failed: Adding this for more…
Noor AlManasrah
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Handling many connections in node.js

I am making a live app with the use of websockets (express-ws npm package) in node.js. The users send a message via ws every 10 seconds. Each of such requests takes about 1-1.5 milliseconds to handle (I have made some .time benchmarks). Everything…
Fortnite
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How to set up a WebSocket server with Express.js (properly)?

Please let me know if this is a duplicate. Description I'll try to be concise. I have a barebones Express API with a WebSocket endpoint that I set up with express-ws following the docs, but it doesn't work. I can't tell where the problem…
roberto
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Typescript class can't see methods (TypeError: Cannot read properties of undefined (reading 'method_name'))

While compiling there are no errors, compile fine. But when I call the method in the controller got an error. It looks like during the compilation class methods are missing. If you need more information about the project config - please, ask - I…
Oleksii Nechaiev
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Why is a connection not created for this simple websocket snippet?

I have a simple snippet on the front end as follows which I can verify is working. I can do this by changing the port to something other than 3000 and it will error. It is definitely finding the server at that port: // Create WebSocket connection…
user17331023
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How properly take out logic of expressWs module in NodeJs?

Hello stackoverflow community.This is my first question on this site. I spend two weeks struggling with how i can take out expressWs logic (chat window in frontend) to module and then import module in my NodeJS server file. Presently ,with this code…
Anvar
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Make a different connection center for the same express-ws function

first of all I want to apologize if my English is not perfect and if the title does not explain my situation very well. I will summarize: I created a code allowing to make different chat between several people using express-ws. I decided to make a…
Stanley
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websockets not working with https.createServer

Our websockets are working under Http/express but when I move to https.createServer I cant get a socket connention. FYI:The project is almost complete and we are in deep with express-ws, so we cont change the socket lib at this stage Here is an…
Brian
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express-ws: add prototype via typescript

I'm using `express-ws` for WebSockets. I want to extend the `WebSocket` class in the `ws` module that `express-ws` import and add it a string as prototype. (`WebSocket.prototype.str: string = ""`). i should mention that I'm using typescript. Who…
עתודה אקדמאית
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Nodejs Websockets work Locally but not on Server

I am attempting to use the express-ws library with a nodejs server being hosted on gcloud. I'm using some basic starter code and it works when I run the code locally. However, if I try to connect when the code is being hosted on the web I receive an…
Dacoolinus
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Is there anyway to use the websockets with express-ws and the WebSocket client api with an Angular Universal 9 app?

I am at a complete loss, as to what is going on, so I will post the Angular Universal server code that is running my express server. I think there is something within Angular Unviersal's render engine that is completely just blocking…
Christian Matthew
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