I have a simple app in Vue.js that authenticates existing users in firebase. So far it works but I want to make it using async and await instead of then? How can I rewrite my logic using async and await instead? I looked at the docs but didn’t find any information, here is my code: Answer define the pro…
Tag: async-await
Vue 3 setup reactive fetch with async json
I’ve installed Vue 3 and want to populate a reactive object with fetch from a JSON API. My component looks like below. I don’t get any errors but I don’t get any results either. I expected to get a number on the screen because that’s what’s in total in the JSON file. On state.tes…
Why is this promise returning undefined?
I am trying to write a simple function like this and I have made a firebase helper like this however, league is logging out as undefined and in here is logging out second. however, I thought it would be the other way around? I thought it would “await” for this function to resolve then once it̵…
Unexpected unhandledRejection event for promise which rejection does get handled
Updated, I’ve now tried explaining the behavior I’m seeing, but it’d still be great to have an answer from a credible source about the unhandledRejection behavor. I’ve also started a discussion thread on Reddit. Why do I get an unhandledRejection event (for “error f1”) in t…
Await functions but do them synchrony, then call the last function
So I am working with Vue, Node and typescript. I am fetching data that all my other functions are needing, so getDataForFunction123() needs an await and its fine. Then I have 3 functions that is fetching different stuff, not depending on each other. But all answers is used by the last function updateAfterFunc…
How to delay get request until async function finishes loading
In my express server, the root get request happens before an async function finishes listing the files from a database, but the get request needs information from the function to properly render the page. How can I have the get request wait until the other function is done? I have looked at other solutions: R…
Node child_process await result
I have a async function which makes a face_detection command line call. It’s working fine otherwise, but I can’t make it to wait for the response. Here is my function: isThereFace in my response I return is always undefined because the response is sent to client before the response from face_detec…
Unable to exit the function after ‘window.alert’ in Angular9
I am trying to calculate time difference and if time difference is greater than 20 mins, I want to display an alert message and then exit. I don’t intend to loop through all the rows and want to exit the function after finding out the first host which has minutes < 20. I am trying to exit the functio…
How to get a value in async function as soon as possible?
I’m working with Ethereum blockchain, but my problem my is JavaScript (async, await function). Here my code simplified: In my html In my App.js file Any help with any code of example? Thanks a lot in advance. Answer Welcome to the fantastic world of asynchronism… One way to do this would be : and …
script ends despite unresolved promise
Consider this: The scripts terminates at the await and the log is never printed to sdout, I don’t understand why Answer Nothing is wrong with your code. That’s just the model of Node. If there is no pending I/O pending promises don’t prevent Node from exiting. You can schedule some I/O if yo…