tegwick
c5a5b26797
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12 lines
322 B
TypeScript
12 lines
322 B
TypeScript
/**
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* Returns the subdomain of a hostname string
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*/
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export default function getSubdomain(hostname: string, domain: string): string {
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// If `hostname` and `domain` are the same, then there is no sub-domain
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if (domain.length === hostname.length) {
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return '';
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}
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return hostname.slice(0, -domain.length - 1);
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}
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