import { SearchResponse } from "./types.js";
const CONTEXT7_API_BASE_URL = "https://context7.com/api";
const DEFAULT_TYPE = "txt";
/**
* Searches for libraries matching the given query
* @param query The search query
* @returns Search results or null if the request fails
*/
export async function searchLibraries(query: string): Promise<SearchResponse | null> {
try {
const url = new URL(`${CONTEXT7_API_BASE_URL}/v1/search`);
url.searchParams.set("query", query);
const response = await fetch(url);
if (!response.ok) {
console.error(`Failed to search libraries: ${response.status}`);
return null;
}
return await response.json();
} catch (error) {
console.error("Error searching libraries:", error);
return null;
}
}
/**
* Fetches documentation context for a specific library
* @param libraryId The library ID to fetch documentation for
* @param options Options for the request
* @returns The documentation text or null if the request fails
*/
export async function fetchLibraryDocumentation(
libraryId: string,
options: {
tokens?: number;
topic?: string;
} = {}
): Promise<string | null> {
try {
if (libraryId.startsWith("/")) {
libraryId = libraryId.slice(1);
}
const url = new URL(`${CONTEXT7_API_BASE_URL}/v1/${libraryId}`);
if (options.tokens) url.searchParams.set("tokens", options.tokens.toString());
if (options.topic) url.searchParams.set("topic", options.topic);
url.searchParams.set("type", DEFAULT_TYPE);
const response = await fetch(url, {
headers: {
"X-Context7-Source": "mcp-server",
},
});
if (!response.ok) {
console.error(`Failed to fetch documentation: ${response.status}`);
return null;
}
const text = await response.text();
if (!text || text === "No content available" || text === "No context data available") {
return null;
}
return text;
} catch (error) {
console.error("Error fetching library documentation:", error);
return null;
}
}