Method alloc

src/lib/json_buffer.ts:190–211

(byteSize: number, retry = true)

  }

  private alloc(byteSize: number, retry = true): number {
    const idx = OFFSET_FREE_PTR >> 2;
    const currentPtr = Atomics.load(this.u32, idx);

    // Align to 8 bytes for Float64 performance
    const nextPtr = currentPtr + byteSize;
    const alignedNext = (nextPtr + 7) & ~7;

    if (alignedNext > this.buffer.byteLength) {
      if (retry) {
        this.collectGarbage();
        this.propertyHints.clear();
        return this.alloc(byteSize, false);
      }
      throw new Error(
        `SharedJsonBuffer OOM: Used ${alignedNext} of ${this.buffer.byteLength}`,
      );
    }

    Atomics.store(this.u32, idx, alignedNext);
    return currentPtr;
  }

  private collectGarbage() {
    const tempBuffer = new ArrayBuffer(this.buffer.byteLength);