Resolves a callback only once and memoizes the result

Node CLI tool to run a process only once in a directory

This tool can be used to lock operations (e.g. make sure workers will fetch a job only once)

Resolves a promise only once and memoizes the result in a map

Resolves a callback only once and memoizes the result in a map

`useEffectOnce` is a custom hook in React designed to mimic the behavior of `componentDidMount` and `componentWillUnmount` lifecycle methods in class components. It's a modified version of `useEffect` that runs only once when the component mounts.

execute a function only once and cache but it has a reset function for testing

Resilient singleton promise to make sure it runs once and only once. Differently from most singleton promise implementations it retries if failed.

Make a method callable only once

Split a string only once

Forces a function to be called only once

Broadcast messages & run code only once across all browser tabs

Mixin adds events dispatching mechanism to your class. EventHandler provides methods to bind/unbind handler of an event, to handle a specific event only once, to associate an event with a namespace what later make possible to unbind handler of event with

Configure path aliases only once and in the right place (tsconfig.json)

Add per-module sytles to the DOM, only once

Simple utilities to select and manipulate DOM elements only once.

Adds $rootScope functionality to handle an event only once

Init a target by promise only once.

wrapper for calling callback only once

Ensure a function is only called once