wehub-resource-sync
66 lines
2.7 KiB
TypeScript
66 lines
2.7 KiB
TypeScript
export function getHeaderValueCaseInsensitive(
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headers: Record<string, unknown> | Headers | null | undefined,
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targetName: string
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) {
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if (!headers || typeof headers !== "object") return null;
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if (headers instanceof Headers) {
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return headers.get(targetName);
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}
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const lowered = targetName.toLowerCase();
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for (const [key, value] of Object.entries(headers)) {
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if (key.toLowerCase() === lowered && typeof value === "string" && value.trim()) {
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return value.trim();
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}
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}
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return null;
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}
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/**
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* Per-request opt-out of memory (and skills) injection via the
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* `x-omniroute-no-memory` header. Mirrors the existing `x-omniroute-no-cache`
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* convention. Truthy values: `true` / `1` / `yes` (case-insensitive). Clients that
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* manage their own context (RAG/memory) send this to avoid the gateway injecting
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* up to `memorySettings.maxTokens` (~2k) tokens — and being billed for them — on
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* every chat call. See _tasks/PRD-2026-06-19-no-memory-header.md.
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*/
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export function isNoMemoryRequested(
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headers: Record<string, unknown> | Headers | null | undefined
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): boolean {
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const value = (getHeaderValueCaseInsensitive(headers, "x-omniroute-no-memory") || "")
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.trim()
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.toLowerCase();
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return value === "true" || value === "1" || value === "yes";
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}
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/**
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* Per-request compression override via the `x-omniroute-compression` header. Mirrors the
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* `x-omniroute-no-memory` convention (#4290). Returns the raw trimmed value, or null when
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* absent/blank. The resolver (planFromHeader) owns interpretation and casing rules; this
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* helper only reads the wire.
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*/
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export function resolveCompressionHeader(
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headers: Record<string, unknown> | Headers | null | undefined
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): string | null {
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const value = (getHeaderValueCaseInsensitive(headers, "x-omniroute-compression") || "").trim();
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return value || null;
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}
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/**
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* Per-request opt-in to unconditionally strip `reasoning_content` from the
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* non-streaming JSON response via the `x-omniroute-strip-reasoning` header.
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* Some clients (e.g. Firecrawl AI SDK) have JSON parsers that break on this
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* non-standard OpenAI extension even though it's syntactically valid, and even
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* on reasoning-only messages that the default sanitizer keeps. Truthy values:
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* `true` / `1` / `yes` (case-insensitive). Ported from upstream 9router#517
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* (closes upstream #509). Reasoning is still captured for the replay cache
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* before this header is consulted, so the cache feature is unaffected.
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*/
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export function isStripReasoningRequested(
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headers: Record<string, unknown> | Headers | null | undefined
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): boolean {
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const value = (getHeaderValueCaseInsensitive(headers, "x-omniroute-strip-reasoning") || "")
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.trim()
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.toLowerCase();
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return value === "true" || value === "1" || value === "yes";
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}
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