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:

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

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:

var serialize = ndjson.serialize()
serialize.on('data', function(line) {
  // line is a line of stringified JSON with a newline delimiter at the end
})
serialize.write({"foo": "bar"})
serialize.end()

Options

Options are passed through to the stream class.

LICENSE

BSD-3-Clause

Current Tags

• 2.0.0                                ...           latest (4 years ago)

12 Versions

• 2.0.0                                ...           4 years ago
• 1.5.0                                ...           8 years ago
• 1.4.4                                ...           8 years ago
• 1.4.3                                ...           9 years ago
• 1.4.2                                ...           9 years ago
• 1.4.1                                ...           9 years ago
• 1.4.0                                ...           9 years ago
• 1.3.1                                ...           9 years ago
• 1.3.0                                ...           10 years ago
• 1.2.3                                ...           10 years ago
• 1.2.2                                ...           10 years ago
• 1.2.1                                ...           10 years ago