Function sliceToChunk

examples/pdf-server/server.ts:770–779

Slice a cached or freshly-fetched full body to the requested range.

(
    fullData: Uint8Array,
    offset: number,
    clampedByteCount: number,
  )

  /** Slice a cached or freshly-fetched full body to the requested range. */
  function sliceToChunk(
    fullData: Uint8Array,
    offset: number,
    clampedByteCount: number,
  ): { data: Uint8Array; totalBytes: number } {
    const totalBytes = fullData.length;
    const start = Math.min(offset, totalBytes);
    const end = Math.min(start + clampedByteCount, totalBytes);
    return { data: fullData.slice(start, end), totalBytes };
  }

  async function readPdfRange(
    url: string,