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Perf: reduce operations in normalizeDomain

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SukkaW
2025-01-17 21:28:28 +08:00
parent c07fe1dd56
commit c6bbbf9d4c
6 changed files with 29 additions and 24 deletions
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28
Build/lib/normalize-domain.ts
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@@ -6,28 +6,28 @@ import { normalizeTldtsOpt } from '../constants/loose-tldts-opt';
type TldTsParsed = ReturnType<typeof tldts.parse>;
/**
* Skipped the input non-empty check, the `domain` should not be empty.
*/
export function fastNormalizeDomain(domain: string, parsed: TldTsParsed = tldts.parse(domain, normalizeTldtsOpt)) {
if (parsed.isIp) return null;
// Private invalid domain (things like .tor, .dn42, etc)
if (!parsed.isIcann && !parsed.isPrivate) return null;
return parsed.hostname;
}
export function normalizeDomain(domain: string, parsed: TldTsParsed | null = null) {
if (domain.length === 0) return null;
parsed ??= tldts.parse(domain, normalizeTldtsOpt);
if (parsed.isIp) return null;
let h = parsed.hostname;
if (h === null) return null;
// Private invalid domain (things like .tor, .dn42, etc)
if (!parsed.isIcann && !parsed.isPrivate) return null;
let sliceStart = 0;
let sliceEnd = 0;
// const h = parsed.hostname;
// if (h === null) return null;
if (h[0] === '.') sliceStart = 1;
// eslint-disable-next-line sukka/string/prefer-string-starts-ends-with -- performance
if (h[h.length - 1] === '.') sliceEnd = -1;
if (sliceStart !== 0 || sliceEnd !== 0) {
h = h.slice(sliceStart, sliceEnd);
}
return h.length > 0 ? h : null;
return parsed.hostname;
}