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Development on this npm package is moved to https://github.com/ndjson/ndjson.js

ndjson

streaming newline delimited json parser + serializer. Available as a JS API or a command line tool

NPM

usage

var ndjson = require('ndjson')

ndjson.parse(opts)

returns a transform stream that accepts newline delimited json and emits objects

example newline delimited json:

data.txt:

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

If you want to discard non-valid JSON messages, you can call ndjson.parse({strict: false})

usage:

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

ndjson.serialize() / ndjson.stringify()

returns a transform stream that accepts json objects and emits newline delimited json

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()

license

BSD-3-Clause

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streaming line delimited json parser + serializer

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