Method set

mcp/src/resolve.ts:74–82

Cache a resolution for `ttlMs`. Evicts the oldest entry past the cap.

(bearer: string, value: ResolvedPrincipal)

  /** Cache a resolution for `ttlMs`. Evicts the oldest entry past the cap. */
  set(bearer: string, value: ResolvedPrincipal): void {
    const key = fingerprintBearer(bearer);
    if (!this.map.has(key) && this.map.size >= this.opts.maxEntries) {
      // Map preserves insertion order, so the first key is the oldest.
      const oldest = this.map.keys().next().value;
      if (oldest !== undefined) this.map.delete(oldest);
    }
    this.map.set(key, { value, expiresAt: this.opts.now() + this.opts.ttlMs });
  }

  size(): number {
    return this.map.size;