gaunt-sloth-assistant/dist/tools/gthWebFetchTool.js

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import { z } from 'zod';
import { tool } from '@langchain/core/tools';
const toolDefinition = {
    name: 'gth_web_fetch',
    description: 'Fetch content from a web URL. Provide a valid HTTP/HTTPS URL and get the content as text.',
    schema: z.string().describe('URL to make HTTP request'),
};
const defaultHttpHeaders = {
    Accept: 'text/*',
    'Accept-Language': 'en-US,en;q=0.9',
    'Accept-Encoding': 'gzip, deflate, br',
};
/**
 * Fetches content from a given URL and returns it as a string
 * @param url - The URL to fetch content from
 * @returns Promise<string> - The fetched content as a string
 */
async function gthWebFetchImpl(url) {
    try {
        if (!url || typeof url !== 'string' || !url.trim()) {
            return Promise.reject('Invalid URL provided');
        }
        if (!url.startsWith('http://') && !url.startsWith('https://')) {
            return Promise.reject('URL must start with http:// or https://');
        }
        const response = await fetch(url, {
            headers: {
                ...defaultHttpHeaders,
            },
        });
        if (!response.ok) {
            return Promise.reject(`Failed to fetch data from ${url} with status: ${response.status} - ${response.statusText}`);
        }
        return response.text();
    }
    catch (error) {
        // graceful error handling and returning
        return Promise.reject(`Unknown error occurred while fetching content from ${url}: ${error}`);
    }
}
const toolImpl = async (url) => {
    return await gthWebFetchImpl(url);
};
export function get(_) {
    return tool(toolImpl, toolDefinition);
}
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