Bookshelf previousAttributes() on updated event

index.js

var assert = require('assert')
var knex = require('knex')({
	client: 'sqlite3',
	connection: {filename: ':memory:'}
})
var bookshelf = require('bookshelf')(knex)
var User = bookshelf.Model.extend({
	tableName: 'users',
	initialize: function() {
		this.on('updated', function(user) {
			console.log(user.previousAttributes())
		})
	}
})

return knex.schema.createTable('users', function(table) {
	table.increments()
	table.text('status').notNullable()
}).then(function() {
	return knex('users').insert({status: 'active'})
}).then(function () {
	return new User({id: 1}).fetch()
}).then(function(user) {
	assert.strictEqual(user.get('status'), 'active')
	user.set('status', 'active')
	return user.save()
}).then(function() {
	console.log('all done')
}).catch(function (err) {
	console.log(err)
	console.log(err.stack)
}).finally(function() {
	process.exit()
})

package.json

{
  "name": "bookshelf_previousattributes",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "Ricardo Graça <ricardo@devius.net>",
  "license": "ISC",
  "dependencies": {
    "bookshelf": "git+https://github.com/bookshelf/bookshelf.git",
    "knex": "^0.15.2",
    "sqlite3": "^4.0.4"
  }
}