36 lines
537 B
JavaScript
36 lines
537 B
JavaScript
// @flow
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import parseDomain from 'parse-domain';
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export function stripSubdomain(hostname: string) {
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const parsed = parseDomain(hostname);
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if (!parsed) return hostname;
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if (parsed.tld) return `${parsed.domain}.${parsed.tld}`;
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return parsed.domain;
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}
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export const RESERVED_SUBDOMAINS = [
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'admin',
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'api',
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'beta',
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'blog',
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'cdn',
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'community',
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'developer',
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'forum',
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'help',
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'imap',
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'localhost',
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'mail',
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'ns1',
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'ns2',
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'ns3',
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'ns4',
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'smtp',
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'support',
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'status',
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'static',
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'test',
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'www',
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];
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