vibe-stocks/lib/quote.js

Terminal-based stock market viewer with real-time data streaming

const axios = require('axios');
const chalk = require('chalk');
const ora = require('ora');
const config = require('./config');

module.exports = {
  run: async (symbol) => {
    const spinner = ora(`Loading quote for ${symbol}...`).start();
    
    try {
      const response = await axios.get(`${config.MCP_SERVER_URL}${config.endpoints.quote(symbol)}`);
      const quote = response.data;
      
      spinner.stop();
      
      console.clear();
      console.log(chalk.cyan.bold(`${quote.symbol} - ${quote.name || 'N/A'}`));
      console.log(chalk.gray('─'.repeat(50)));
      
      const change = quote.changesPercentage || 0;
      const changeColor = change > 0 ? chalk.green : change < 0 ? chalk.red : chalk.gray;
      
      console.log(`\nPrice: ${chalk.bold.white(formatCurrency(quote.price))}`);
      console.log(`Change: ${changeColor(`${change >= 0 ? '+' : ''}${change.toFixed(2)}%`)}`);
      console.log(`\nVolume: ${formatNumber(quote.volume)}`);
      console.log(`Market Cap: ${formatNumber(quote.marketCap)}`);
      console.log(`\nDay Range: ${formatCurrency(quote.dayLow)} - ${formatCurrency(quote.dayHigh)}`);
      console.log(`52W Range: ${formatCurrency(quote.yearLow)} - ${formatCurrency(quote.yearHigh)}`);
      console.log(`\nP/E Ratio: ${quote.pe?.toFixed(2) || 'N/A'}`);
      console.log(`EPS: ${formatCurrency(quote.eps)}`);
      
    } catch (error) {
      spinner.fail(`Failed to load quote for ${symbol}`);
      console.error(chalk.red('Error:'), error.message);
    }
  }
};

function formatCurrency(num) {
  if (num === null || num === undefined) return 'N/A';
  return new Intl.NumberFormat('en-US', {
    style: 'currency',
    currency: 'USD'
  }).format(num);
}

function formatNumber(num) {
  if (num === null || num === undefined) return 'N/A';
  return new Intl.NumberFormat('en-US').format(num);
}