Bluebird
:bird: :zap: Bluebird is a full featured promise library with unmatched performance. (by petkaantonov)
when
A solid, fast Promises/A+ and when() implementation, plus other async goodies. (by cujojs)
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| Bluebird | when | |
|---|---|---|
| 9 | 3 | |
| 20,433 | 3,440 | |
| - | -0.2% | |
| 0.0 | 1.8 | |
| about 2 months ago | about 2 years ago | |
| JavaScript | JavaScript | |
| MIT License | GNU General Public License v3.0 or later |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Bluebird
Posts with mentions or reviews of Bluebird.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-08-23.
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Oven: The Company Behind Bun
It might, if the code can be optimized. There are all sorts of reasons why it might not. For example, at one point in time, a switch statement with more than 128 cases could not be optimized.
https://github.com/petkaantonov/bluebird/wiki/Optimization-k...
- what is something you found out way too late. for me it was onclick="history.back();"
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es6-cheatsheet
Prior to ES6, we used bluebird or Q. Now we have Promises natively:
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Compiler optimizations that are (or could be) coded against?
For example: https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
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Rust from 0 to 80% for JavaScript Developers
The standard library is quite barebones so you’ll need to import something else (Think bluebird for JS). You need an executor to run a future. I recommend using https://github.com/tokio-rs/tokio and reading their documentation.
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When is .then(success, fail) considered an antipattern for promises?
I had a look at the bluebird promise FAQ, in which it mentions that .then(success, fail) is an antipattern. I don't quite understand its explanation as for the try and catch.What's wrong with the following?
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Mutability of JavaScript
I have not looked into how packages like bluebird does this, but I expect it is similar to the above items I expressed
- a little help using node js with MySQL queries
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How aync/await works internally?
You can look at the implementation of Bluebird an implementation of Promises that preceded them being available in JS itself.
when
Posts with mentions or reviews of when.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2021-07-02.
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If you are making a library, take a good look at this list!
looking at you "When"!
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I made a small library for handling async events in a type-safe fashion
If you're wondering, number 2 has happened to me years ago, and required debugging a Promises library (back when Promises weren't native): https://github.com/cujojs/when/issues/325
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Introduction to Asynchronous JavaScript
Promises are a popular way of getting rid of callback hell. Originally it was a type of construct introduced by JavaScript libraries like Q and when.js, but these types of libraries became popular enough that promises are now provided natively in ECMAScript 6.
What are some alternatives?
When comparing Bluebird and when you can also consider the following projects:
p-map - Map over promises concurrently
step - An async control-flow library that makes stepping through logic easy.
async - Async utilities for node and the browser
q - A promise library for JavaScript
pify - Promisify a callback-style function
contra - :surfer: Asynchronous flow control with a functional taste to it
promise-memoize - Memoize promise-returning functions. Includes cache expire and prefetch.
ObjectEventTarget - A same behaviour EventTarget prototype, that can work with any object from JavaScript
pinkie-promise - Promise ponyfill with pinkie
Javascript State Machine - A javascript finite state machine library
modern-async - A modern JavaScript tooling library for asynchronous operations using async/await, promises and async generators