pmcm-product-card/src/hooks/useProduct.ts

Este es un paquete de pruebas de despliegue NPM

import { useState, useEffect, useRef } from "react";
import { InitialValues, onChangeArgs, Product } from "../interfaces/interfaces";

interface useProductArgs {
  product: Product;
  onChange?: (args: onChangeArgs) => void;
  value?: number;
  initialValues?: InitialValues;
}

export const useProduct = ({
  onChange,
  product,
  value = 0,
  initialValues,
}: useProductArgs) => {
  const [counter, setCounter] = useState<number>(initialValues?.count || value);
  const isMounted = useRef(false);
  const increaseBy = (value: number) => {
    const newValue = Math.max(
      Math.min(initialValues?.maxCount || Infinity, counter + value),
      0
    );
    setCounter(newValue);
    onChange && onChange({ count: newValue, product });
  };

  const reset = () => {
    setCounter(initialValues?.count || value);
  };

  useEffect(() => {
    if (!isMounted.current) return;

    setCounter(value);
  }, [value]);

  useEffect(() => {
    isMounted.current = true;
  }, []);

  return {
    counter,
    maxCount: initialValues?.maxCount,
    isMaxCountReached:
      !!initialValues?.count && initialValues?.maxCount === counter,
    increaseBy,
    reset,
  };
};