bun-ws-router/dist/shared/normalize.d.ts

Lightweight client/server WebSocket router for Bun with type-safe Zod/Valibot validation.

/**
 * Validates that extended meta schema does not define reserved keys.
 *
 * This check occurs in messageSchema() factory to fail fast at design time.
 *
 * @throws {Error} If meta schema contains reserved keys
 */
export declare function validateMetaSchema(meta?: Record<string, unknown>): void;
/**
 * Normalizes inbound message before validation (security boundary).
 *
 * MUST be called before schema validation to:
 * - Strip reserved server-only keys (prevents spoofing)
 * - Ensure meta exists (allows optional client meta)
 *
 * Mutates in place for performance (hot path, every message).
 * O(k) complexity where k = RESERVED_META_KEYS.size (currently 2).
 *
 * @param raw - Raw parsed message from client
 * @returns Normalized message (same reference, mutated in place)
 */
export declare function normalizeInboundMessage(raw: unknown): Record<string, unknown>;
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