Filter expired orders XRPL

filter_expired .js

import { XrplClient } from "xrpl-client"

const tx = {
  "id": 4,
  "command": "book_offers",
  "taker": "r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59",
  "taker_gets": {
    "currency": "XRP"
  },
  "taker_pays": {
    "currency": "USD",
    "issuer": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B"
  },
  "limit": 10
}
const client = new XrplClient()
const response = await client.send(tx)

const book_offers = []
for (let index = 0; index < response.offers.length; index++) {
  const offer = response.offers[index]
  if ('Expiration' in offer && offer.Expiration < LedgerEpoch()) {
    // do nothing expired
  } else {
    book_offers.push(offer)
  }
}

// filtered book with out expired orders
console.log('book_offers', book_offers)

const LedgerEpoch = () => {
    const unix_time = Date.now() 
    return Math.floor((unix_time) / 1000) - 946684800
}