19 lines
473 B
TypeScript
19 lines
473 B
TypeScript
import { useRef } from "react";
|
|
|
|
/**
|
|
* Returns a stable function of the same type.
|
|
*/
|
|
export const useStableCallback = <T extends (...args: any[]) => any>(
|
|
userFn: T,
|
|
) => {
|
|
const stableRef = useRef<{ userFn: T; stableFn?: T }>({ userFn });
|
|
stableRef.current.userFn = userFn;
|
|
|
|
if (!stableRef.current.stableFn) {
|
|
stableRef.current.stableFn = ((...args: any[]) =>
|
|
stableRef.current.userFn(...args)) as T;
|
|
}
|
|
|
|
return stableRef.current.stableFn as T;
|
|
};
|