Questions tagged [promise]
"Promises" are a particular tactic for deferred computing, suitable for several styles of concurrency: thread and event loop concurrency for local computation, and both synchronous and asynchronous remote messaging.
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Angular promise in service
I'm new with Angular promise and I would like to know how to improve my code.
I have a service which preload media or data by calling an API.
The media API return an array of urls to preload.
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Thoughts on this conversion of code from Step.js to Q promise library?
I have some code that I'd written using this pattern with Step.js. In this case, talking to MongoDB in Node:
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Structuring functions receiving and returning promises?
I keep running into the same pattern with code using promises in javascript.
When writing a function which takes a promise and returns a promise, obviously I want to reject the promise I'm returning ...
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Refactoring asynchronous JS pre-rendering code
A few months ago I wrote this module but, coming back to it, I find it a bit hard to read and reason about. I want to ask community's opinion on whether this needs to be refactored, and how I could ...
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Limiting Q promise concurrency in JavaScript
I wrote a helper to limit Q promise concurrency.
If I have a promise-returning function promiseSomething, writing
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My yld NPM - callbacks/promises alternative
I'd like feedback on my callbacks/promises alternative, please.
The yld repository
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Can this promise be chained more cleanly?
The below code uses Promises/A+ (specifically rsvp.js) to generate a token. It does so by either taking an existing token or downloading and parsing a token from a web page. Is it possible to chain ...
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Improving a JQuery Promise "Chain"
I have a little chain of JQuery promises. My problem is at each stage I want to notify my progress to the user, keep them in the loop (Perhaps using .notify somehow?)
What I've eneded up with is ...
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jQuery nested ajax deffereds- looking for improvements
Following is a working solution for a single xml ajax to retrieve category list, then individual ajax calls for each category. This was developed in response to a question on SO.
Solution creates one ...
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Simple jQuery search on input element
Just wanted a way of attaching a jQuery search plugin to an input element (or collection) and be able to pass specific options at invoke time:
This is the plugin code
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Multiple jQuery promises
I'm starting to reuse this pattern, and was wondering if there was a more succinct/clear way to write it.
Given a function foo taking a callback argument:
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