Calls a callback only once

Call a function once and no more

Run a function exactly one time

Ensure a function is only called once

The lodash method `_.once` exported as a module.

Share one async call, cache success, and retry failures.

Calls a callback once after platform-independent next tick

Callback wrapping utility

Run the supplied function exactly one time (once)

Show a warning once

Allows users to use generators in order to write common functions that can be both sync or async.

Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.

Robustly `.call.bind()` a function

A feature-rich Node.js event emitter implementation with namespaces, wildcards, TTL, async listeners and browser/worker support.

Enforce a function or promise resolver to execute exactly once, caching results or retrying failures.

Open Node Streams on demand.

Calls the passed function once in the passed interval.

Timers extensions

Run an array of functions in parallel

Reusable utilities and hooks specific to design system.