mariorcardoso

{
  "name": "rails_webpack_npm_es6",
  "version": "1.0.0",
  "main": "app-js/main.js",
  "scripts": {
    "heroku-postbuild": "webpack"
  },
  "repository": {
    "type": "git",
    "url": "https://github.com/mariorcardoso/rails_webpack_npm_es6.git"

mariorcardoso

var path = require('path');
var webpack = require('webpack');

module.exports = {
  entry: [
    'babel-polyfill',
    './app-js/main',
  ],
  output: {
    path: __dirname + '/app/assets/javascripts',

mariorcardoso

import { Rectangle } from './rectangle'
import { Square } from './square'
import { Circle } from './circle'
import { CanvasLibrary } from './canvas_library'

$(document).ready(function() {
  const canvas = new CanvasLibrary();
  const layer = canvas.get_layer();
  const stage = canvas.get_stage();

mariorcardoso

class Rectangle {
  constructor(height, width, color) {
    this.height = height
    this.width = width
    this.color = color
  }

  draw(layer, stage) {
    const rectangle = new Konva.Rect({
      x: Math.random() * stage.getWidth(),

mariorcardoso

class Address
  attr_reader :city, :state

  def initialize(city, state)
    @city, @state = city, state
  end

  def ==(other_address)
    city == other_address.city && state == other_address.state
  end

mariorcardoso

class Event < ActiveRecord::Base
  def date_range
    DateRange.new(start_date, end_date)
  end

  def date_range=(date_range)
    self.start_date = date_range.start_date
    self.end_date = date_range.end_date
  end
end

mariorcardoso

class DateRange
  attr_reader :start_date, :end_date

  def initialize(start_date, end_date)
    @start_date, @end_date = start_date, end_date
  end

  def include_date?(date)
    date >= start_date && date <= end_date
  end

mariorcardoso

class Person < ActiveRecord::Base
  def address
    Address.new(address_city, address_state)
  end

  def address=(address)
    self.address_city = address.city
    self.address_state = address.state
  end
end

mariorcardoso

> gary = Person.create(name: "Gary")
> gary.address_city = "Brooklyn"
> gary.address_state = "NY"
> gary.address
=> #<Address:0x007fcbfcce0188 @city="Brooklyn", @state="NY">

> gary.address = Address.new("Brooklyn", "NY")
> gary.address
=> #<Address:0x007fcbfa3b2e78 @city="Brooklyn", @state="NY">

mariorcardoso

class Grade
  include Comparable
  attr_reader :percentage

  def initialize(percentage)
    @percentage = percentage
  end

  def better_than?(other)
    self > other