npm install @react-pdf/renderer

import {
  Document,
  Page,
  Text,
  View,
  StyleSheet
} from '@react-pdf/renderer'
import { pdf } from '@react-pdf/renderer'

const styles = StyleSheet.create({
  page: { padding: 30 },
  heading: { fontSize: 24, fontWeight: 'bold', marginBottom: 10 },
  text: { fontSize: 12, marginBottom: 5 }
})

export const InvoicePDF = ({ invoice }: { invoice: any }) => (
  <Document>
    <Page size="A4" style={styles.page}>
      <Text style={styles.heading}>Invoice</Text>
      <View>
        <Text style={styles.text}>Invoice #: {invoice.number}</Text>
        <Text style={styles.text}>Date: {invoice.date}</Text>
        <Text style={styles.text}>Total: ${invoice.total}</Text>
      </View>
    </Page>
  </Document>
)

// Generate and save
async function generatePDF() {
  const blob = await pdf(<InvoicePDF invoice={data} />).toBlob()
  // Download or send
}

// app/api/generate-invoice/route.ts
import { NextRequest, NextResponse } from 'next/server'
import { InvoicePDF } from '@/components/invoice-pdf'
import { pdf } from '@react-pdf/renderer'

export async function POST(request: NextRequest) {
  const { invoice } = await request.json()

  const doc = pdf(<InvoicePDF invoice={invoice} />)
  const buffer = await doc.toBuffer()

  return new NextResponse(buffer, {
    headers: {
      'Content-Type': 'application/pdf',
      'Content-Disposition': 'attachment; filename="invoice.pdf"'
    }
  })
}

import { Document, Page, Table, TableCell, TableHead, TableBody, TableRow } from '@react-pdf/renderer'

export function ReportPDF({ data }: { data: any[] }) {
  return (
    <Document>
      <Page>
        <Table>
          <TableHead>
            <TableRow>
              <TableCell>Name</TableCell>
              <TableCell>Amount</TableCell>
            </TableRow>
          </TableHead>
          <TableBody>
            {data.map((row, i) => (
              <TableRow key={i}>
                <TableCell>{row.name}</TableCell>
                <TableCell>${row.amount}</TableCell>
              </TableRow>
            ))}
          </TableBody>
        </Table>
      </Page>
    </Document>
  )
}