import React, { useState, useEffect } from 'react';import { usePlaidLink } from 'react-plaid-link';const App = () => { const [transactions, setTransactions] = useState([]); const [budgets, setBudgets] = useState({}); const [token, setToken] = useState(null); useEffect(() => { // In a real app, you'd fetch the link token from your server const fetchLinkToken = async () => { // Simulating an API call setToken('link-sandbox-12345'); }; fetchLinkToken(); }, []); const onSuccess = React.useCallback((public_token, metadata) => { // Send public_token to your server to exchange for an access_token // Then use the access_token to fetch transactions fetchTransactions(); }, []); const config = { token, onSuccess, }; const { open, ready } = usePlaidLink(config); const fetchTransactions = async () => { // In a real app, you'd fetch transactions from your server // which would use Plaid's API to get the data const mockTransactions = [ { id: 1, date: '2023-07-01', amount: 50, category: 'Food' }, { id: 2, date: '2023-07-02', amount: 100, category: 'Transport' }, { id: 3, date: '2023-07-03', amount: 200, category: 'Shopping' }, ]; setTransactions(mockTransactions); }; const addBudget = (category, amount) => { setBudgets(prev => ({ ...prev, [category]: amount })); }; return (

Plaid Budgeting App

Transactions

Budgets

Add Budget

{ e.preventDefault(); const category = e.target.category.value; const amount = Number(e.target.amount.value); addBudget(category, amount); e.target.reset(); }}>
);};export default App;