express-typescript | express typescript tutorial | SQL Database library
kandi X-RAY | express-typescript Summary
kandi X-RAY | express-typescript Summary
This repository is a part of the Express Typescript tutorial. Each part of the course has its own branch, called for example part-1. The the master branch represents the version with MongoDB. The postgres branch contains the version with PostgreSQL.
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QUESTION
I am new to Typescript, Node as well as Express. I setup my project exactly as described here: https://www.digitalocean.com/community/tutorials/setting-up-a-node-project-with-typescript
This is the code, I am trying to run which I got from that link:
...ANSWER
Answered 2021-Mar-21 at 06:28When you get the No overload matches this call. error, means you are defining parameters that do not exist on that type.
In your case, you have the err parameter on listen callback which should not be there (see http://expressjs.com/en/api.html under app.listen)
To fix the ts error, just remove the err and related code below.
Regarding your imports, I would suggest to keep them with the newer sintax instead of the old require (that should now work just fine).
Last but not least, try to always avoid setting your types as any, as that is like having a fire alarm without batteries. The types you are looking for are express built-in and you can define them as such:
QUESTION
I am using this boilerplate for my api.
I have the following route: GET /questions
In this route I wan't to dynamically get the relations in the data, for example GET /questions?relations=user?relations=answer. This works just fine, but when I wan't only one relation, for example GET /questions?relations=user I get the following error:
ANSWER
Answered 2020-Oct-07 at 07:10Well I found the solution and it's quite bohering me that I didn't come to this solution earlier. If you send the request like the following: GET /question?relations=user, the value is send with as a string. At the point you send a second value, the query becomes an array. To properly tell that the query is an array, you can do the following: GET /questions?relations[]=user. I didn't use this, because I thought GET /questions?relations=user was standard.
QUESTION
I'm feeling really stupid about that, but here's my problem.
I'm using Socket-Controller and routing-controller in the same NodeTS App. Therefore i needed to create two express servers. One is listening to port 3000 or whatever the env is, and the other on port 65080. Locally, this works perfect. Now on GAE, my HTTP Server for the normal requests is working, while my SocketServer always times out.
If it helps, here is my app.yaml:
...ANSWER
Answered 2020-Apr-13 at 08:29Well, the solution was rather easy.
I needed to bind the Socket Server to the same HTTP Server instance, which express is using. Below are my changes.
socketLoader.ts
QUESTION
I have a nodejs express Rest API and I want to add websocket support. I'm using this boilerplate for the api part and added this library and socket.io to use websockets in the same project (I'm not sure if it matters).
My websockets work as expected without the Rest API but as soon as I make an http request to my API, connections to the websocket fail with the following error:
WebSocket connection to 'ws://localhost:3000/socket.io/?EIO=3&transport=websocket' failed: Invalid frame header
Already established connections still work though. This problem remains until I restart my server.
I found a lot of different possible causes for this error but none of which really helped me.
Edit: This is how I connect to the websockets.
...ANSWER
Answered 2018-Nov-23 at 10:09I solved this problem by switching my stack to nestjs. The problem was probably because both websocket and rest api were running on the same port
QUESTION
I am stuck some silly problem (not sure about this).
I am using Express with Typescript for my API creation.
My problem is as follows:
I have 1 endpoint called Offers, and On that I am doing some operations like findBy Status etc along with CRUD operations, my controller is as follows:
...ANSWER
Answered 2018-Feb-21 at 11:23This is going to happen due to your routing as you've got two conflicting routes. You've got /findByStatus and /:id, both are being triggered because they both technically match the endpoint.
When using /:id you are saying "pick up anything that goes to the / with something after it, then give me that value as req.params.id".
My advice would be to drop the /findByStatus and have it just as / for several reasons.
- It will prevent the conflict.
- This would be more "RESTful", REST systems are built around CRUD and it is a standard which you can use to help build a CRUD system in a way everyone can understand.
- The endpoint will become more extensible.
Since your /findByStatus is basically just a type if filter applied to your indexing route you should be able to do something like this.
QUESTION
When I build my application I get. error TS2339: Property 'split' does not exist on type 'string | string[]'.
Property 'split' does not exist on type 'string[]'.
How can a split not exist on a string or string[]. It seems weird it sees it as a string array because it throws the error on a req.headers.authorization.split(" ")[1]. So this is basically: "Bearer (the token) so this seems to me a string that is getting split.
I'm using typescript version 2.3.
I tried changing the target in tsconfig to es2017.
I tried changing the lib to es6 and es7
All didn't work.
What rookie mistake did I make
This is my tsconfig.json
...ANSWER
Answered 2017-Dec-14 at 12:49The type you are trying to invoke split on is string|string[], which means that value may be either a string or a string[], in order for TypeScript to be happy, BOTH types must have a split method. If you are confident that it will always be a string, either update the definition (if possible) or cast to a string before calling split:
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