ndjson

Streaming newline delimited json parser + serializer. Available as a JS API and a CLI.

Usage

const ndjson = require('ndjson')

ndjson.parse([opts])

Returns a transform stream that accepts newline delimited json buffers and emits objects of parsed data.

Example file:

{"foo": "bar"}
{"hello": "world"}

Parsing it:

1fs.createReadStream('data.txt')
2  .pipe(ndjson.parse())
3  .on('data', function(obj) {
4    // obj is a javascript object
5  })

Options

• strict can be set to false to discard non-valid JSON messages
• All other options are passed through to the stream class.

ndjson.stringify([opts])

Returns a transform stream that accepts JSON objects and emits newline delimited json buffers.

Example usage:

1const stream = ndjson.stringify()
2stream.on('data', function(line) {
3  // line is a line of stringified JSON with a newline delimiter at the end
4})
5stream.write({"foo": "bar"})
6stream.end()

Options

Options are passed through to the stream class.

LICENSE

BSD-3-Clause