Yahoo Finance

# Yahoo Finance Skill

查询全球股票信息，支持港股、A股、美股等市场。

## 快速开始

```bash
# 查询腾讯股价
node scripts/query.mjs quote 0700.HK

# 查询阿里巴巴公司信息
node scripts/query.mjs profile 9988.HK

# 搜索股票
node scripts/query.mjs search "Xiaomi"
```

## 支持的市场

- 港股：0700.HK (腾讯), 9988.HK (阿里巴巴), 1810.HK (小米)
- A股：600519.SS (茅台), 000858.SZ (五粮液)
- 美股：AAPL, TSLA, MSFT

详细文档请查看 [SKILL.md](SKILL.md)


#!/usr/bin/env node

/**
 * Yahoo Finance Query Script
 * 使用 Yahoo Finance API 查询股票信息（支持港股、A股、美股等全球市场）
 * 支持 CLI 和模块导入两种使用方式
 */

import https from 'https';
import { fileURLToPath } from 'url';

const BASE_URL = 'https://query1.finance.yahoo.com';
const BASE_URL2 = 'https://query2.finance.yahoo.com';

/**
 * 发送 HTTPS GET 请求（带重试机制）
 */
async function httpsGet(url, retries = 2, delay = 1000) {
  for (let i = 0; i <= retries; i++) {
    try {
      return await new Promise((resolve, reject) => {
        https.get(url, {
          headers: {
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
          }
        }, (res) => {
          let data = '';
          res.on('data', (chunk) => data += chunk);
          res.on('end', () => {
            // 检查 HTTP 状态码
            if (res.statusCode !== 200) {
              const preview = data.substring(0, 200);
              if (res.statusCode === 429) {
                reject(new Error(`Yahoo Finance API 请求频率过高 (HTTP 429)。请稍后再试，或使用其他数据源。`));
              } else if (res.statusCode === 404) {
                reject(new Error(`股票代码不存在或 API 路径错误 (HTTP 404)。请检查股票代码格式。`));
              } else {
                reject(new Error(`HTTP ${res.statusCode}: ${preview}`));
              }
              return;
            }
            
            // 尝试解析 JSON
            try {
              resolve(JSON.parse(data));
            } catch (e) {
              reject(new Error(`无法解析 API 响应 (非 JSON 格式): ${data.substring(0, 200)}`));
            }
          });
        }).on('error', reject);
      });
    } catch (error) {
      // 如果是 429 错误且还有重试次数，等待后重试
      if (error.message.includes('429') && i < retries) {
        console.error(`⚠️  请求失败 (${i + 1}/${retries + 1})，${delay}ms 后重试...`);
        await new Promise(resolve => setTimeout(resolve, delay));
        delay *= 2; // 指数退避
        continue;
      }
      // 其他错误或重试次数用完，直接抛出
      throw error;
    }
  }
}

/**
 * 查询实时股票报价（仅返回数据，不打印）
 */
export async function fetchQuote(symbol) {
  const url = `${BASE_URL}/v8/finance/chart/${encodeURIComponent(symbol)}?interval=1d&range=1d`;
  const data = await httpsGet(url);
  
  if (!data.chart || !data.chart.result || data.chart.result.length === 0) {
    throw new Error(`No data found for symbol: ${symbol}`);
  }
  
  const result = data.chart.result[0];
  const meta = result.meta;
  const quote = result.indicators.quote[0];
  
  return {
    symbol: meta.symbol,
    currency: meta.currency,
    exchangeName: meta.exchangeName,
    regularMarketPrice: meta.regularMarketPrice,
    regularMarketOpen: quote.open[quote.open.length - 1],
    regularMarketDayHigh: meta.regularMarketDayHigh,
    regularMarketDayLow: meta.regularMarketDayLow,
    regularMarketVolume: meta.regularMarketVolume,
    previousClose: meta.chartPreviousClose,
    regularMarketChange: meta.regularMarketPrice - meta.chartPreviousClose,
    regularMarketChangePercent: ((meta.regularMarketPrice - meta.chartPreviousClose) / meta.chartPreviousClose * 100),
    regularMarketTime: new Date(meta.regularMarketTime * 1000)
  };
}

/**
 * 查询公司基本信息（仅返回数据，不打印）
 */
export async function fetchProfile(symbol) {
  const url = `${BASE_URL2}/v10/finance/quoteSummary/${encodeURIComponent(symbol)}?modules=assetProfile,summaryDetail,price`;
  const data = await httpsGet(url);
  
  if (!data.quoteSummary || !data.quoteSummary.result || data.quoteSummary.result.length === 0) {
    throw new Error(`No profile data found for symbol: ${symbol}`);
  }
  
  const result = data.quoteSummary.result[0];
  const profile = result.assetProfile || {};
  const summary = result.sum