onetime

sindresorhus/p-throttle447

Rate limiter

Controls function calls to limit their frequency within a specified time interval

sindresorhus/p-limit2.1K

Concurrent Limiter

Limits concurrent execution of promise-returning and async functions.

sindresorhus/delay609

Delay function

Allows delaying promises by a specified amount of time or a random range.

isaacs/once222

Call handler

A module to ensure a function is called only once.

sindresorhus/p-some36

Promise Filter

Wait for a specified number of promises to be fulfilled

sindresorhus/math-clamp14

Clamper

A utility function to limit a value within a specified range

sindresorhus/p-all319

Runner

Concurrently execute multiple promise-returning functions with optional concurrency limits.

sindresorhus/p-any55

Promise checker

A utility function to wait for any of multiple promises to be fulfilled with cancellation support.

sindresorhus/p-times39

Concurrent runner

Runs promise-returning & async functions multiple times concurrently

sindresorhus/p-event429

Event promiser

Promises an event by waiting for it to be emitted, allowing asynchronous iteration and rejection handling.

sindresorhus/p-each-series50

Promise iterator

Iterates over promises in serial order, stopping at the first failed promise.

sindresorhus/p-reduce68

Value accumulator

Transforms an asynchronous list into a single value by applying a reduction function

sindresorhus/p-lazy269

Deferred Promise

A promise class that defers execution until the promise is actually used or specific methods are called

sindresorhus/p-filter75

Promise filter

Tool for filtering and concurrent execution of promises with an adjustable concurrency level

sindresorhus/hard-rejection107

Error handler

Makes unhandled promise rejections fail immediately with an error message instead of silently failing.