BTC price in multiple currencies widget for scriptable iOS app

btc.js

// Bitcoin Price Widget using Yadio.io
let widget = new ListWidget();
widget.setPadding(16, 16, 16, 16);
widget.backgroundColor = new Color("#1a1a1a");

let title = widget.addText("₿ Bitcoin Price");
title.font = Font.boldSystemFont(16);
title.textColor = Color.white();
widget.addSpacer(8);

const currencies = ['PYG', 'ARS', 'EUR', 'USD'];

try {
  // 1) fetch the whole JSON…
  let res = await new Request("https://api.yadio.io/exrates/btc").loadJSON();
  // 2) extract the nested BTC object
  let rates = res.BTC || {};

  for (let code of currencies) {
    let price = rates[code] != null
      ? Number(rates[code]).toLocaleString()
      : "N/A";
    let line = widget.addText(`${code}: ${price}`);
    line.font = Font.mediumSystemFont(14);
    line.textColor = Color.white();
  }

} catch (e) {
  let err = widget.addText("Error fetching data");
  err.font = Font.mediumSystemFont(14);
  err.textColor = Color.red();
  console.error(e);
}

Script.setWidget(widget);
Script.complete();