import { send, sendError, fetch } from '../../../util/http'; import { NowRequest, NowResponse } from '@vercel/node'; export default async function handler( req: NowRequest, res: NowResponse ): Promise { const { query } = req.query; if (!query || typeof query !== 'string') { return sendError(res, new Error('No query given')); } if (!/([a-zA-Z0-9_-])\.js\.org/.test(query)) { return sendError(res, new Error('Invalid format')); } try { // Get js.org domain data from js.org.json repo const domains = await fetch( `https://raw.githubusercontent.com/raikasdev/js.org.json/master/output/subdomains_registered.min.json`, 'GET' ).then((res) => res.json()); if (domains.includes(query)) { send(res, { availability: false }); } else { send(res, { availability: true }); } } catch (err) { sendError(res, err); } }