I’m trying to iterate over IDs (track.id) and for each of them fetch some data (based on those IDs) from API (getBPM()). I’m pretty sure it’s connected with Promises and I’m not very fluent with these yet. Here’s the code: I’ve tried some things, but couldn’t get it t…
Tag: asynchronous
Flaky errors when fetching & rendering data using React Hooks
I’m fetching data from an API & rendering the results. This is working for a while & then I’m getting the following error: itemList.js:23 Uncaught TypeError: items.map is not a function & also Consider adding an error boundary to your tree to customize error handling behavior. Any idea…
Nested async await function not executing in AWS Lambda Function
Problem: I have very little experience working with async await functions and I am trying to execute a nested async await function within an if-else statement that depends on a higher level async function to execute upon an event detection. I expect to get a successful http response back from the nested async…
How to retain values of array inside async loop? javascript
I have code below that uses api to fetch customer data. Problem is when it the loop went to the second index, the customerIds does retain the value from the previous index (see console log below). Somebody knows how to achieve this properly? Here is my code Console logs: The problem can be shown by the text b…
Angular make subscribe to wait for response
I’m trying to subscribe to an Observable and assign some data from the response, but somehow my code it’s not waiting for the response. Basically the console.log(this.newIds) is runned first and is always empty because the subscribe doesn’t wait for response to come from the backend. How I c…
Uncomplete payload | React & Redux Toolkit
I have a big problem,maybe it’s not so big but i dont sleep for almost 24h because of it.I barely finished this Slice,but now,when i submit the data,i get only the automatically set id.. So,to be clear.I have a skill component where i have 2 input forms and a button,i need to retrieve data from both inp…
JavaScript function blocks web socket & causes sync issue & delay
I have a web socket that receives data from a web socket server every 100 to 200ms, ( I have tried both with a shared web worker as well as all in the main.js file), When new JSON data arrives my main.js runs filter_json_run_all(json_data) which updates Tabulator.js & Dygraph.js Tables & Graphs with s…
Append to array in async for loop
I’ve got this function which contains other nested async functions. I’m unzipping a zipfile and then appending each HTMLImageElement to an array. However, the array is printing like this 16 is the correct number of images I’m expecting, but they’re undefined when I console.log() them. …
XMLHttpRequest return from a function before response is back
I have a function as the code below, I am trying to send a file through XMLHttpRequest to the server and then store it in DB and retrieve the id of the file in DB and make an object of ids. The problem is that the function exits a lot before I got the response back from the server to
How to update this axios service for being able conditionally decide which API URL to use?
I have the following axis service: I need conditionally pass isAdmin from outside for being able to switch the API URL here. How can be it achieved. Answer You can use multiple instances for each baseURL and call the instance by isAdmin condition. However, you can config the defaults that will be applied to e…