React hook for creating a value exactly once. useMemo doesn't give this guarantee unfortunately - https://reactjs.org/docs/hooks-faq.html#how-to-create-expensive-objects-lazily
Install the package
npm install use-constant # OR yarn add use-constantIn your code
import useConstant from 'use-constant'; const MyComponent = () => { // Give useConstant() a function which should be be executed exactly once and // return in it your constant value const myConstantValue = useConstant(() => 42); // ...