fanlia/ndjson-csv-xlsx

Stream huge amount of data into an XLSX generated file stream with minimum memory footprint.

CSV parser and writer

Streaming newline delimited json parser + serializer

Chain functions as transform streams.

stream-json is the micro-library of Node.js stream components for creating custom JSON processing pipelines with a minimal memory footprint. It can parse JSON files far exceeding available memory streaming individual primitives using a SAX-inspired API. Includes utilities to stream JSON database dumps.

Streaming XLSX parser for node