index.js

using-docker.js

// do `docker pull mafintosh/bulk-markdown-to-png` first

var Dat = require('dat')
var pretty = require('pretty-bytes')
var run = require('docker-run')
var tar = require('tar-stream')
 
var dat = new Dat('./', function(err) {
  if (err) throw err // yolo
 
  var totalSize = 0
 
  dat.createReadStream({gte:'dat', limit:1})
    .on('data', function(data) {
      var b = run('mafintosh/bulk-markdown-to-png')
      var e = tar.extract()
 
      b.stdin.write(JSON.stringify(data)+'\n')
      b.stdout.pipe(e)
 
      e.on('entry', function(header, stream, next) {
        var bl = dat.createBlobWriteStream(
          header.name,
          data,
          function() {
           console.log('i have added a blob')
        })
 
        stream.pipe(bl)
      })
    })
})

using-npm.js

var Dat = require('dat')
var pretty = require('pretty-bytes')
var bulk = require('bulk-markdown-to-png')
var tar = require('tar-stream')

var dat = new Dat('./', function(err) {
  if (err) throw err // yolo

  var totalSize = 0

  dat.createReadStream({gte:'dat', limit:1})
    .on('data', function(data) {
      var b = bulk()
      var e = tar.extract()

      b.write(JSON.stringify(data)+'\n')
      b.pipe(e)

      e.on('entry', function(header, stream, next) {
        var bl = dat.createBlobWriteStream(
          header.name,
          data,
          function() {
           console.log('i have added a blob')
        })

        stream.pipe(bl)
      })
    })
})