Method getBuffer

src/packFileSerializer.ts:3254–3269

(size: number)

  private pools = new Map<number, Buffer[]>();
  private readonly MAX_POOL_SIZE = 10; // Maximum buffers per size pool
  getBuffer(size: number): Buffer {
    // Round up to nearest power of 2 for better reuse (with minimum of 1KB)
    const poolSize = Math.max(1024, Math.pow(2, Math.ceil(Math.log2(size))));
    let pool = this.pools.get(poolSize);
    if (!pool) {
      pool = [];
      this.pools.set(poolSize, pool);
    }
    // Try to reuse an existing buffer
    const buffer = pool.pop();
    if (buffer) {
      return buffer; // Return full buffer, caller uses only what they need
    }
    // Create new buffer if none available
    return Buffer.allocUnsafe(poolSize);
  }
  returnBuffer(buffer: Buffer, originalSize: number): void {
    const poolSize = Math.max(1024, Math.pow(2, Math.ceil(Math.log2(originalSize))));
    // Only return if it's the right size for the pool