Arweave client example with Matic

App.js

import { WebBundlr } from "@bundlr-network/client"
import { providers } from "ethers"

/* initialize some local state to store the bundlr instance */
const [bundlrInstance, setBundlrInstance] = useState(null)

/* connect to the user's wallet */
async function connect() {
    await window.ethereum.request({ method: 'eth_requestAccounts' })
    const provider = new providers.Web3Provider(window.ethereum)
    await provider._ready()
  
    const bundlr = new WebBundlr("https://node1.bundlr.network", "matic", provider)
    await bundlr.ready()
  
    setBundlrInstance(bundlr)
  }

/* create a transaction (plain text, JSON, file, image, video, etc..) */
async function createTransaction() {
  const data = "hello world"
  const tags = [{name: "Content-Type", value: "text/plain"}]

  const transaction = bundlrInstance.createTransaction(data, { tags })

  await transaction.sign()
  await transaction.upload()

  console.log('transaction id: ', transaction.id)
}

/*
**  Now your content can be instantly accessed via https://arweave.net/[id]
**
**  Supported currencies:
**  Arweave (AR)
**  Solana (SOL)
**  Polygon (MATIC)
**  Ethereum (ETH)
**  Binance Smart Chain (BNB)
**  Avalanche C-Chain (AVAX)
**  Boba (ETH)
**  Chainlink (CHAIN)
**  Arbitrum (ETH)
**  Optimism (ETH)
**  Fantom (FANTOM)
**  NEAR (NEAR)
**  Algorand (ALGO)
*/

Incomplete code