Get the value of your Handshake names (obtained on Namebase), in HNS.

names.mjs

///  N A T I V E

import fs from "fs";
import https from "https";
import { join } from "path";

///  U T I L

const names = fs.readFileSync(join(process.cwd(), "names.txt"), "utf8");

const getNameValue = (suppliedName, index) => new Promise(res => {
  setTimeout(async() => {
    const { closeAmount } = JSON.parse(await getClosePrice(suppliedName));
    const { history } = JSON.parse(await getSalePrice(suppliedName));
    let value = 0;

    if (history && history[0] && history[0].amount)
      value = history[0].amount / 1000000;
    else
      value = closeAmount / 1000000;

    res({ value });
    /// give Namebase a break, with a throttle
  }, 250 * index);
});



///  P R O G R A M

getPortfolioValue();

async function getPortfolioValue() {
  const nameArray = names.split(/\r?\n/).filter(item => item);
  let fileToWrite = "Handshake Portfolio Value\n\n\n\n";
  let totalValue = 0;

  try {
    await Promise.all(nameArray.map(async(name, index) => {
      if (!name || String(name).length === 0)
        return;

      index = index + 1; /// start count at 1, not 0
      const { value } = await getNameValue(name, index);

      fileToWrite += `${name}/ - ${value} HNS\n`;
      totalValue += value;

      console.log(`Processed name ${index} of ${nameArray.length}`);
      // console.log(`TOTAL: ${totalValue.toFixed(2)}\n${name}/ - ${value} HNS\n`); /// uncomment to see name value while this runs
    }));
  } catch(error) {
    console.log(error.toString());
    console.log("<<<");
  } finally {
    fileToWrite += `\n\n\nTOTAL: ${totalValue.toFixed(2)} HNS\n`;

    fs.writeFileSync(join(process.cwd(), "names-processed.txt"), fileToWrite, "utf-8");
    console.log(">>> PROCESSING DONE, FILE WRITTEN");
    return;
  }
}



///  H E L P E R

async function getClosePrice(suppliedName) {
  const data = await httpRequest(`https://www.namebase.io/api/domains/get/${suppliedName}`);
  return data;
}

async function getSalePrice(suppliedName) {
  const data = await httpRequest(`https://www.namebase.io/api/v0/marketplace/${suppliedName}/history`);
  return data;
}

function httpRequest(url) {
  return new Promise((resolve, reject) => {
    const request = https.get(url, response => {
      if (response.statusCode < 200 || response.statusCode > 299)
        reject(new Error(`Failed to load page, status code: ${response.statusCode}`));

      const body = [];

      response.on("data", chunk => body.push(chunk));
      response.on("end", () => resolve(body.join("")));
    });

    request.on("error", err => reject(err));
  });
}

If the script fails with a message saying it couldn't connect to Namebase, change the timeout from 250 to 500.