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cob-product-card

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import { useEffect, useRef, useState } from "react" import { InitialValues, onChangeArgs, Product } from '../interfaces/interfaces'; interface useProductArgs { product: Product; onChange?: (args: onChangeArgs) => void; value?: number; initialValues?: InitialValues } const useProduct = ({ onChange, product, value = 0, initialValues }: useProductArgs) => { const [counter, setCounter] = useState<number>(initialValues?.count || value) const isMounted = useRef(false) const reset = () => { setCounter(initialValues?.count || value) } const increaseBy = (value: number) => { let newValue = Math.max(counter + value, 0) // console.log(initialValues?.maxCount, newValue) if (initialValues?.maxCount) { newValue = Math.min(newValue, initialValues.maxCount) } setCounter(newValue) onChange && onChange({ count: newValue, product }); } useEffect(() => { if (!isMounted.current) return setCounter(value) }, [value]) useEffect(() => { isMounted.current = true }, []) return { counter, isMaxCountReached: !!initialValues?.count && initialValues.maxCount === counter, maxCount: initialValues?.maxCount, increaseBy, reset } } export default useProduct