import { DependencyList, EffectCallback, useEffect, useRef } from 'react'; const isPrimitive = (val: any) => val !== Object(val); type DepsEqualFnType = (prevDeps: DependencyList, nextDeps: DependencyList) => boolean; const useCustomCompareEffect = (effect: EffectCallback, deps: DependencyList, depsEqual: DepsEqualFnType) => { if (process.env.NODE_ENV !== 'production') { if (!(deps instanceof Array) || !deps.length) { console.warn('`useCustomCompareEffect` should not be used with no dependencies. Use React.useEffect instead.'); } if (deps.every(isPrimitive)) { console.warn( '`useCustomCompareEffect` should not be used with dependencies that are all primitive values. Use React.useEffect instead.' ); } if (typeof depsEqual !== 'function') { console.warn('`useCustomCompareEffect` should be used with depsEqual callback for comparing deps list'); } } const ref = useRef(undefined); if (!ref.current || !depsEqual(deps, ref.current)) { ref.current = deps; } useEffect(effect, ref.current); }; export default useCustomCompareEffect;