searchWikipedia

Public

Version 28

2/16/2024

// Fixed and improved version of searchClosestWiki

import { fetch } from "https://esm.town/v/std/fetch";

export const searchClosestWiki = async (req: Request) => {

const searchQuery = new URL(req.url).searchParams.get("query"); // Corrected from "format" to "query"

if (!searchQuery) {

return new Response("Invalid input. Please provide a search query via ?query= parameter.", {

status: 400, // Bad Request

headers: { "Content-Type": "text/plain" },

});

}

try {

const searchUrl = `https://en.wikipedia.org/w/api.php?action=query&list=search&srsearch=${

encodeURIComponent(searchQuery)

}&srwhat=text&format=json&utf8=1&origin=*`;

const searchResponse = await fetch(searchUrl);

const searchData = await searchResponse.json();

if (!searchData.query.search.length) {

return new Response(`No Wikipedia article found for "${searchQuery}"`, {

status: 404, // Not Found

headers: { "Content-Type": "text/plain" },

});

}

const pageTitle = searchData.query.search[0].title;

const contentUrl = `https://en.wikipedia.org/w/api.php?action=query&prop=extracts&exintro&titles=${

encodeURIComponent(pageTitle)

}&format=json&utf8=1&origin=*`;

const contentResponse = await fetch(contentUrl);

const contentData = await contentResponse.json();

const pageId = Object.keys(contentData.query.pages)[0];

const textContent = contentData.query.pages[pageId].extract;

Updated: February 16, 2024