41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
import React, { useCallback, useContext, useEffect, useState } from 'react'
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export const PaymentTokenContext = React.createContext()
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const fetchTokensFromLocalStorage = () => {
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const tokens = JSON.parse(window.localStorage.getItem('payment-tokens') || '[]')
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return tokens
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}
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export function PaymentTokenProvider ({ children }) {
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const [tokens, setTokens] = useState([])
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useEffect(() => {
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setTokens(fetchTokensFromLocalStorage())
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}, [])
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const addPaymentToken = useCallback((hash, hmac, amount) => {
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const token = hash + '|' + hmac
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const newTokens = [...tokens, { token, amount }]
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window.localStorage.setItem('payment-tokens', JSON.stringify(newTokens))
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setTokens(newTokens)
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}, [tokens])
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const removePaymentToken = useCallback((hash, hmac) => {
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const token = hash + '|' + hmac
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const newTokens = tokens.filter(({ token: t }) => t !== token)
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window.localStorage.setItem('payment-tokens', JSON.stringify(newTokens))
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setTokens(newTokens)
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}, [tokens])
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return (
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<PaymentTokenContext.Provider value={{ tokens, addPaymentToken, removePaymentToken }}>
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{children}
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</PaymentTokenContext.Provider>
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)
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}
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export function usePaymentTokens () {
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return useContext(PaymentTokenContext)
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}
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