use

use is a polyfill hook to resolve promises state for React v18 and below. Note that it only implements the ability to consume promises. For React v19 and above, you can use the built-in use hook: https://react.dev/reference/react/use

Usage

Live Editor

const promise = new Promise((resolve) => {
  setTimeout(() => {
    resolve("resolved");
  }, 5000);
});

function Demo() {
  const data = use(promise);

  return <p>{data}</p>;
};

render(
  <Suspense fallback="loading...">
    <Demo />
  </Suspense>
);

Result

resolved

API

Use

Returns

T: resolved state value

Arguments

Argument	Description	Type	DefaultValue
usable	promise or context	Usable<T> (Required)	-

Usable

type Usable<T> = Thenable<T> | Context<T>;