@hackplan/polaris/esnext/hooks/use-deep-compare/use-deep-compare.js

Shopify’s product component library

import { useEffect, useRef } from 'react';
import isEqual from 'lodash/isEqual';
function useDeepCompareRef(dependencies, comparator = isEqual) {
    const dependencyList = useRef(dependencies);
    if (!comparator(dependencyList.current, dependencies)) {
        dependencyList.current = dependencies;
    }
    return dependencyList.current;
}
function useDeepCompare(callback, dependencies, customCompare) {
    useEffect(callback, useDeepCompareRef(dependencies, customCompare));
}
export default useDeepCompare;