stream ↔ Node API & Interface to stream data as Chunks (vs all at once)
const stream = require("stream")
Writable
stream type to write data
Readable
stream type to read data
Duplex
Transform
Duplex stream to mod/transform data while read/write
stream.on("data", chunk⇒)
References
Transform↔Duplexstreamto mod/transform data while read/writecreateReadStream()↔fsStatic Method to create aReadablefilestreamcreateWriteStream()↔fsStatic Method to create aWritablefilestream