zlib.flush([kind], callback) kind defaults to zlib.Z_FULL_FLUSH. Flush pending data. Don't call this frivolously, premature flushes negatively impact the effectiveness of the compression algorithm.

zlib.deflateSync(buf[, options]) Compress a Buffer or string with Deflate.

zlib.deflateRawSync(buf[, options]) Compress a Buffer or string with DeflateRaw.

zlib.deflateRaw(buf[, options], callback)

Class: zlib.DeflateRaw Compress data using deflate, and do not append a zlib header.

zlib.deflate(buf[, options], callback)

Class: zlib.Deflate Compress data using deflate.

zlib.createUnzip(options) Returns a new Unzip object with an options.

zlib.createInflateRaw(options) Returns a new InflateRaw object with an options.

zlib.createInflate(options) Returns a new Inflate object with an options.