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import isURL from 'validator/lib/isURL';
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import {send, sendError, fetch} from '../../../util/http';
import {NowRequest, NowResponse} from '@vercel/node';
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export default async function handler(
req: NowRequest,
res: NowResponse,
): Promise<void> {
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const {query} = req.query;
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if (!query || typeof query !== 'string') {
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return sendError(res, new Error('no query given'));
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}
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if (!isURL(query)) {
return sendError(res, new Error('Invalid URL: ' + query));
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}
try {
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const response = await fetch(`https://${query}`);
const availability = response.status === 404;
send(res, {availability});
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} catch (err) {
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console.log(err.code);
if (err.code === 'ENOTFOUND') {
return send(res, {availability: true});
}
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sendError(res, err);
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}
}