json-compose-stream

Compose valid JSON output from any number of streams or values

Example

var jsonComposeStream = require('json-compose-stream')
var hyperquest = require('hyperquest')
var xmlNodes = require('xml-nodes')
 
var jsonStream = jsonComposeStream()
 
jsonStream.pipe(process.stdout)
 
hyperquest('http://en.wikipedia.org/wiki/Pug')
  .pipe(xmlNodes('title'))
  .pipe(jsonStream.createSetStream('title'))
 
jsonStream.set('3', 'Pug - Wikipedia, the free encyclopedia')
 
jsonStream.set({
  href: 'http://en.wikipedia.org/wiki/Pug',
  image: 'http://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Mops-duke-mopszucht-vom-maegdebrunnen.jpg/220px-Mops-duke-mopszucht-vom-maegdebrunnen.jpg'
})

Usage

var s = jsonComposeStream()

s.set(obj)

Provide an object to set multiple values at once. Returns s to allow chaining.

s.set({one: 'fish', two: 'fish'})

s.set(key=string, value=string)

Provide a key/value pair to set a single value. Returns s to allow chaining.

s.set('red', 'fish')

s.createSetStream(key=string)

Returns a writeable stream that should be used to write the value of key.

descriptionStream
  .pipe(s.createSetStream('description'))

License

MIT