wehub-resource-sync
37 lines
1.3 KiB
TypeScript
37 lines
1.3 KiB
TypeScript
/**
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* chatCore executor client-header normalizer (Quality Gate v2 / Fase 9 — chatCore god-file
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* decomposition, #3501).
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*
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* Pure helper extracted from chatCore: normalizes a Headers instance or a plain header object into a
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* lowercased-tolerant Record<string,string>, and backfills the client User-Agent (both casings) when
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* one is supplied and not already present. Returns null when nothing was collected. Side-effect-free;
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* behaviour is byte-identical to the previous module-level function.
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*/
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export function buildExecutorClientHeaders(
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headers: Headers | Record<string, unknown> | null | undefined,
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userAgent?: string | null
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) {
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const normalized: Record<string, string> = {};
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if (headers instanceof Headers) {
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headers.forEach((value, key) => {
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normalized[key] = value;
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});
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} else if (headers && typeof headers === "object") {
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for (const [key, value] of Object.entries(headers)) {
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if (typeof value === "string") {
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normalized[key] = value;
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}
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}
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}
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const normalizedUserAgent = typeof userAgent === "string" ? userAgent.trim() : "";
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if (normalizedUserAgent && !normalized["user-agent"] && !normalized["User-Agent"]) {
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normalized["user-agent"] = normalizedUserAgent;
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normalized["User-Agent"] = normalizedUserAgent;
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}
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return Object.keys(normalized).length > 0 ? normalized : null;
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}
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