What are streams in node.js

The concept of stream

Official document explanation
1. Stream is an abstract interface implemented by various objects in nodejs.
2. For example, standard input is a stream, and standard output is also a stream.
3. All stream objects are instances of EventEmitter and can emit events.
4. Stream is a data transmission method with a starting point and an end point.

• The output of the previous one is the input of the next one

• The output of the previous one is the input of the next one

• The output of the previous one is the input of the next one

Stream in gulp

• gulp uses the strategy of flow and code over configuration to simplify task writing as much as possible.

• Similar to the chain operation in jquery, each method is connected in series to build a complete task.

• Writing tasks with gulp can also be regarded as writing tasks with Node.js.

• When using streams, gulp does not need to generate a large number of intermediate files and only writes the final output to disk, making the entire process very fast. .

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