level-dat browserifies

index.js

require('set-immediate')
var http = require('http')
var es = require('event-stream')
var ldat = require('level-dat')
var level = require('levelup')
var leveljs = require('level-js')
var xhr = require('xhr')

var db = level('./db', { db: leveljs, valueEncoding: 'json' })
dat = ldat(db)

xhr('http://127.0.0.1:6461/api/changes?data=true', function (err, res, body) {
  read = es.readArray(JSON.parse(body).rows)
  read.pipe(dat.createChangesWriteStream())
});