create a function that can only be invoked once
npm install just-oncePart of a library of zero-dependency npm modules that do just do one thing.
Guilt-free utilities for every occasion.
``shell`
npm install just-once`shell`
yarn add just-once
Create a function that can only be invoked once
`js
import once from 'just-once';
const fn = once(() => console.log('hello'));
fn();
// logs 'hello'
fn();
// does nothing
``