Скачать или смотреть Use Streams to Extract, Transform, and Load CSV Data

See the written version of this tutorial for links to prerequisites and related tutorials: https://heynode.com/tutorial/use-stre...

Using the fs module and streams, we can take a local file and perform ETL steps on it to transform the file into JSON and write it to disk. We can use a helpful node module from npm, csvtojson, to convert the csv data for us.

By the end of this tutorial, you should be able to:

Explain how to use the fs module to create read/write streams
Implement Transform streams to modify data as it passes through a stream
Understand how to handle error events with streams
Convert CSV data to JSON using streams

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