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namae/api/services/domain.ts

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import whois from 'whois-json';
import {send, sendError, NowRequest, NowResponse} from '../util/http';
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export default async function handler(req: NowRequest, res: NowResponse) {
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const {query} = req.query;
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if (!query) {
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return sendError(res, new Error('No query given'));
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}
try {
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const response = await whois(query, {follow: 3, verbose: true});
const availability = response[0].data.domainName ? false : true;
send(res, {availability});
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} catch (err) {
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if (err.code === 'ENOTFOUND') {
return send(res, {availability: true});
}
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sendError(res, err);
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}
}