stocks-deno.ts

#!/usr/bin/env deno run --allow-net

// Parameters

// Required parameters:
// @raycast.schemaVersion 1
// @raycast.title Stocks
// @raycast.mode inline
// @raycast.refreshTime 15m

// Optional parameters:
// @raycast.icon 📈

// Documentation:
// @raycast.author Thomas Paul Mann
// @raycast.authorURL https://github.com/thomaspaulmann
// @raycast.description Keep track of your stock portfolio.

const SYMBOLS = ["INTU", "ESGV", "SPY"];

const reset = "\x1b[0m";
const red = "\x1b[31m";
const green = "\x1b[32m";

const dollarFormat =
  new Intl.NumberFormat("en-us", { style: "currency", currency: "USD" }).format;

const percentFormat =
  new Intl.NumberFormat("en-us", { style: "percent", maximumFractionDigits: 2 })
    .format;

async function fetchStock(symbol: string): Promise<string> {
  const res = await fetch(`https://api.lil.software/stocks?symbol=${symbol}`);

  if (res.ok) {
    const { current, previous_close: prevClose } = await res.json();

    // const current = body.current;
    // const prevClose = body.previous_close;

    const growth = ((current - prevClose) / prevClose);
    const message = `${dollarFormat(current)} (${percentFormat(growth)})`;

    if (growth > 0) {
      return `${symbol}: ${green}${message}${reset}`;
    } else if (growth < 0) {
      return `${symbol}: ${red}${message}${reset}`;
    }
    return `${symbol}: ${message}`;
  } else {
    return "Error";
  }
}

(async () => {
  const portfolio = await Promise.all(
    SYMBOLS.map(async (symbol) => await fetchStock(symbol)),
  );
  console.log(portfolio.join("  "));
})();