XUMM SDK Sample development file (`samples/dev.ts`)

dev.ts

import Debug from 'debug'
import {XummSdk, XummTypes} from '../src/'

const log = Debug('xumm-sdk:sample')

const main = async () => {
  try {
    const Sdk = new XummSdk('someAppKey', 'someAppSecret')
    const pong = await Sdk.ping()
    log({pong})

    const curatedAssets = await Sdk.getCuratedAssets()
    log({curatedAssets})

    const PaymentPayload: XummTypes.CreatePayload = {
      txjson: {
        TransactionType : 'Payment',
        Destination : 'rPEPPER7kfTD9w2To4CQk6UCfuHM9c6GDY',
        DestinationTag: 495,
        Amount: '1337'
      }
    }

    const payload = await Sdk.payload.create(PaymentPayload)
    log({payload})

    if (payload) {
      await Sdk.payload.subscribe(payload, event => {
        log('Subscription Event data', event.data)

        if (typeof event.data.expired !== 'undefined' || typeof event.data.signed !== 'undefined') {
          return event.data
        }
      })
    }
  } catch (e) {
    log({error: e.message, stack: e.stack})
  }
}

main()

Referenced from the XUMM SDK Readme: https://github.com/XRPL-Labs/XUMM-SDK/blob/master/README.md