asset-price-mcp/build/utils.js

An MCP-compatible service that provides real-time asset prices including precious metals, cryptocurrencies, and more

import nodeFetch from 'node-fetch';
import { z } from 'zod';
// @ts-ignore
const fetchToUse = globalThis.fetch || nodeFetch;
const DEFAULT_USER_AGENT = "asset-price-tracker/1.0";
const DEFAULT_TIMEOUT = 10000;
export async function fetchWithTimeout(url, options = {}, timeout = DEFAULT_TIMEOUT) {
    const controller = new AbortController();
    const id = setTimeout(() => controller.abort(), timeout);
    try {
        const response = await fetchToUse(url, {
            ...options,
            headers: {
                "User-Agent": DEFAULT_USER_AGENT,
                "Accept": "application/json",
                ...options.headers,
            },
            signal: controller.signal
        });
        return response;
    }
    finally {
        clearTimeout(id);
    }
}
export async function fetchJson(url, schema) {
    try {
        const response = await fetchWithTimeout(url);
        if (!response.ok) {
            console.warn(`HTTP error! status: ${response.status}, url: ${url}`);
            return null;
        }
        const data = await response.json();
        if (schema) {
            return schema.parse(data);
        }
        return data;
    }
    catch (error) {
        if (error instanceof z.ZodError) {
            console.error(`Schema validation failed for ${url}:`, error.errors);
        }
        else {
            console.error(`API request failed for ${url}:`, error.message);
        }
        return null;
    }
}