Function parseTar

packages/shell/src/extras.ts:508–539

(bytes: Uint8Array)

}

function parseTar(bytes: Uint8Array): Array<{
  path: string;
  type: "file" | "directory";
  size: number;
  bytes: Uint8Array;
}> {
  const entries: Array<{
    path: string;
    type: "file" | "directory";
    size: number;
    bytes: Uint8Array;
  }> = [];
  let offset = 0;
  while (offset + 512 <= bytes.byteLength) {
    const header = bytes.subarray(offset, offset + 512);
    if (header.every((byte) => byte === 0)) break;
    const path = readAscii(header, 0, 100);
    const size = readOctal(header, 124, 12);
    const typeFlag = String.fromCharCode(header[156] || 48);
    const type = typeFlag === "5" ? "directory" : "file";
    offset += 512;
    const body = bytes.subarray(offset, offset + size);
    entries.push({
      path,
      type,
      size,
      bytes: new Uint8Array(body)
    });
    offset += Math.ceil(size / 512) * 512;
  }
  return entries;
}

function writeAscii(
  buffer: Uint8Array,