Cookbook

Cookbook

This is a evolving collection of recipes, patterns, and idioms for solving problems with promises.

Promises are incredibly flexible building blocks for composing asynchronous operations. They can be used in a variety of ways to solve a variety of problems, and no promise library could provide a convenience API for every situation.

This cookbook is intended to serve as inspiration and to provide jumping-off points that help you compose solutions for your specific situations.

• First fulfilled promise by array order, ie with the smallest index.
• [[Control concurrency with map and guard]]
• Return a default value for a promise that times out