All Questions
925 questions
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32
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How to handle an error thrown by an asynchronous function? [duplicate]
This is not a duplicate to this question since it discusses rejecting promises. This is about errors that are thrown. It is also worth mentioning that I can't modify the behavior of the mpv....
- 435
0
votes
1
answer
195
views
(TS 2556) Why am I recieving a type error on a spread argument that has already been explicitly typed and passed as a rest parameter?
function debouncePromise<TParams extends Array<unknown>, TRes>(
fn: (a: TParams) => Promise<TRes>,
time: number,
) {
let timerId: ReturnType<typeof setTimeout> | ...
- 43
1
vote
0
answers
107
views
Append file's content to the new file is not working
I have a folder with 4 files with CSS styles.
Using Node.js modules tried to create a new file 'bundle.css' and append content of these 4 files with style (css).
But the code instead of styles, return:...
0
votes
1
answer
157
views
Node JS Async function not working as expected
I am using NodeJS 18 version, and I am trying to paginate the dynamo DB results using the async function, but it is not giving me any results. My dynamo DB table has the data.
I am using the dynamo db ...
0
votes
0
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28
views
mongodb client nodejs check if database exist else run "async.each" to create collection
Hello I got a problem that mongodb client try to check if collection exist or not
Here is the connect function:
const { MongoClient } = require("mongodb");
const async = require("async&...
0
votes
1
answer
55
views
Cant access main parents callback function inside mongo query | cb is not a function
I am working with mongodb in sails js. we are using async.auto from async.js.
I am creating a new mongo connection for few reasons and firing find query to get the data, after retrieving data from db ...
- 470
0
votes
1
answer
453
views
Is there a way to detect if the method inside the decorator is async or not - JS [duplicate]
I looking for a way to detect if my function inside the decorator is async or not.
function catchError(target: any, propertyName: string, descriptor: PropertyDescriptor) {
const method = ...
- 21
0
votes
1
answer
42
views
Node.js write object propertys in same time via socket.io
In Node.js, can it happen that when different properties of a global object are written at the same time (with a socket.io request), one of the properties retains its original value?
`
var rooms = {
...
- 19
0
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0
answers
106
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NodeJs parallel request in a loop too slow
so I have this feature that I am working on that takes an object (Over 10k items) picks an item from this object, sends it to an api, which process it then give a response, then proceeds to the next ...
- 173
0
votes
1
answer
199
views
Async Queue Library, Pass variables to callback
I'm using the async library to create a queue.
My code for my queue looks something like this.
const async = require('async');
const db = require('../models');
const logger = require('../logger');
var ...
- 9,128
0
votes
1
answer
281
views
Node.js on multi-core machines for file I/O operations
I'm a bit confused because all the examples I read about Node cluster module only seem to apply to webservers and concurrent requests. Otherwise to CPU intensive application it is recommended to use ...
- 16.5k
0
votes
1
answer
119
views
how to correctly return data from async function node js, jest error
I have a function something like that:
async function example(){
let data = await another_function();
var ws = fs.createWriteStream('path');
let jsonData = [{'id':'1234', 'name': 'Alex'}];
fastcsv
...
- 69
1
vote
0
answers
68
views
i have converted excel data into json using npm library convert-excel-to-json but now I have to use async.eachSeries to insert data into mongoDb ,how?
/* I have to use async.eachSeries to insert and validate duplicate
data but the library is returning array of objects ,How can I do
it Can anyone help
*/
app.post("/",upload.single(&...
- 11
0
votes
0
answers
1k
views
Async/Await promise being called twice
I'm trying to check if a connection exists after attempting to delete it. At this point the connection has already been deleted and it is now about to start checking once every second for 10 seconds. ...
- 125
2
votes
0
answers
148
views
Unhandled promise rejection when executing file using node
I am trying to run a cron job on Heroku which runs daily. The node version this Heroku server/project uses is v9.4. I am also using the async package v2.6.1
When I run the file using node: node dist/...
- 57