Promisify a callback-style function

Delay a promise a specified amount of time

Delay a promise a specified amount of time

Map over promises concurrently

Run promise-returning & async functions concurrently with optional limited concurrency

Promisify an event by waiting for it to be emitted

Debounce promise-returning & async functions

Throttle promise-returning & async functions

Timeout a promise after a specified amount of time

Retry a promise-returning or async function

Wait for any promise to be fulfilled

Wait for a specified number of promises to be fulfilled

Ensure that only one operation accesses a particular resource at a time

Get the first fulfilled promise that satisfies the provided testing function

Run multiple promise-returning & async functions with limited concurrency

Run promise-returning & async functions in series

Memoize promise-returning & async functions

Compose promise-returning & async functions into a reusable pipeline

Like Promise.all() but for Map and Object

Run promise-returning & async functions in series, each passing its result to the next

Create a promise that can be canceled

Create a promise that reports progress

Make a promise always fulfill with its actual fulfillment value or rejection reason

Filter promises concurrently

Reduce a list of values using promises into a promise for a value

Settle promises concurrently and get their fulfillment value or rejection reason with optional limited concurrency

Map over promises serially

Iterate over promises serially

Run promise-returning & async functions a specific number of times concurrently

Create a lazy promise that defers execution until .then() or .catch() is called

While a condition returns true, calls a function repeatedly, and then resolves the promise

Calls a function repeatedly while a condition returns true and then resolves the promise

Run promise-returning & async functions repeatedly until you end it

Wait for a condition to be true

Delay a promise a minimum amount of time

Promise.try() ponyfill - Starts a promise chain

A better Promise.race()

Returns a promise resolved in the next event loop - think setImmediate()

Measure the time a promise takes to resolve

Create a deferred promise

Check if something is a promise

Inspect the state of a promise

Promise queue with concurrency control

Make an asynchronous function synchronous

Conditional promise catch handler

Conditional promise chains

Tap into a promise chain without affecting its value or state

Log the value/error of a promise

Break out of a promise chain