OptionalonendThe function called when ending compression/decompression.
The total number of bytes (computed).
An empty promise or undefined.
OptionalonprogressThe function called during compression/decompression.
The current progress in bytes.
The total number of bytes.
An empty promise or undefined.
OptionalonstartThe function called when starting compression/decompression.
The total number of bytes.
An empty promise or undefined.
Represents options passed to FileEntry#getData, ZipWriter.add and
{@link ZipDirectory}.export*.