Question 1

How do I register Bluebird with any-promise?

Accepted Answer

Add `require('any-promise/register/bluebird')` at the top of your application entry point before any other requires. This ensures all dependent libraries use Bluebird, and you can customize it with advanced registration if needed.

Question 2

Is any-promise necessary with modern Node.js versions?

Accepted Answer

In Node.js v0.12 and above, any-promise defaults to the global Promise, so it might not be needed if you only use native Promises. However, it's useful for standardizing across libraries or using third-party Promise implementations like Bluebird.

Question 3

Can I use any-promise with async/await?

Accepted Answer

Yes, any-promise works with async/await as long as the registered Promise implementation supports it. Since it's ES6-compatible, it integrates seamlessly, but ensure your chosen library has proper async support.

Question 4

Any-promise vs just using native Promises: what's the difference?

Accepted Answer

Any-promise provides abstraction for library authors to avoid locking users into a specific Promise implementation, while native Promises are the built-in standard. Use any-promise if you need flexibility across dependencies; otherwise, native Promises are simpler for homogeneous projects.

Question 5

How to handle any-promise in browser environments?

Accepted Answer

In browsers, any-promise defaults to window.Promise, so you may need a polyfill if it's missing. Use registration shortcuts like `require('any-promise/register/bluebird')` or advanced registration to specify a custom Promise constructor for better control.

Question 6

What happens if I forget to register a Promise implementation?

Accepted Answer

If no implementation is registered, any-promise defaults to the global Promise in modern environments. For older Node.js versions, it attempts auto-discovery, but this can fail and throw an error, so explicit registration is advised for reliability.

any-promise

What is any-promise?

Overview

Use Cases

Best For

Related Projects

Found a gem we're missing?

Not Ideal For

Pros & Cons

Pros

Cons

Frequently Asked Questions