stacker.news/components/payment-tokens.js

41 lines
1.2 KiB
JavaScript
Raw Normal View History

2023-08-12 01:18:56 +00:00
import React, { useCallback, useContext, useEffect, useState } from 'react'
export const PaymentTokenContext = React.createContext()
const fetchTokensFromLocalStorage = () => {
const tokens = JSON.parse(window.localStorage.getItem('payment-tokens') || '[]')
return tokens
}
export function PaymentTokenProvider ({ children }) {
const [tokens, setTokens] = useState([])
useEffect(() => {
setTokens(fetchTokensFromLocalStorage())
}, [])
const addPaymentToken = useCallback((hash, hmac, amount) => {
const token = hash + '|' + hmac
const newTokens = [...tokens, { token, amount }]
window.localStorage.setItem('payment-tokens', JSON.stringify(newTokens))
setTokens(newTokens)
}, [tokens])
const removePaymentToken = useCallback((hash, hmac) => {
const token = hash + '|' + hmac
const newTokens = tokens.filter(({ token: t }) => t !== token)
window.localStorage.setItem('payment-tokens', JSON.stringify(newTokens))
setTokens(newTokens)
}, [tokens])
return (
<PaymentTokenContext.Provider value={{ tokens, addPaymentToken, removePaymentToken }}>
{children}
</PaymentTokenContext.Provider>
)
}
export function usePaymentTokens () {
return useContext(PaymentTokenContext)
}