@shopify/polaris
Version:
Shopify’s admin product component library
19 lines (18 loc) • 765 B
TypeScript
import { MutableRefObject } from 'react';
/**
* useLazyRef provides a lazy initial value, similar to lazy
* initial state the initialValue is the value used during
* initialization and disregarded after that. Use this hook
* for expensive initialization.
* @param initialValue - A function that will return the initial
* value and be disregarded after that
* @returns MutableRefObject<T> - Returns a ref object with the
* results from invoking initial value
* @example
* function ComponentExample() {
* const title = useLazyRef(() => someExpensiveComputation());
* return <h1>{title.current}</h1>;
* }
*/
export declare function useLazyRef<T>(initialValue: () => T): MutableRefObject<T>;
//# sourceMappingURL=use-lazy-ref.d.ts.map