A transform stream that performs compression (deflate, deflate-raw, gzip, or brotli).
deflate
deflate-raw
gzip
brotli
See also:
https://nodejs.org/api/globals.html#class-compressionstream
https://nodejs.org/api/webstreams.html#class-compressionstream
new(format:String)
Parameters:
format
One of 'deflate', 'deflate-raw', 'gzip', or 'brotli'.
'deflate'
'deflate-raw'
'gzip'
'brotli'
read onlyreadable:ReadableStream
read onlywritable:WritableStream