lmartins

class Book
  constructor: (@author, @title, @numCopies) ->

  display: ->
    console.log """Book
      \t Author #{@author}
      \t Title #{@title}
      \t Copies #{@numCopies}
      """

lmartins

getClickPosition = (e) ->
  parentPosition = getPosition e.currentTarget
  xPos = e.clientX - parentPosition.x
  yPos = e.clientY - parentPosition.y
  # console.log "X:#{xPos} Y:#{yPos}"

getPosition = (element) ->
  xPos = 0
  yPos = 0
  while (element)

lmartins

DOMTokenList::addClasses = (input) ->
  classValues = input.split ' '
  for className in classValues
    this.add className
  return

# usage
# element.classList.addClasses 'xpto1 xpto2'

DOMTokenList::removeClasses = (input) ->

lmartins

# Based on:
# http://unscriptable.com/2009/03/20/debouncing-javascript-methods/

debounce = (func, threshold, execAsap) ->
  timeout = null
  (args...) ->
    obj = this
    delayed = ->
      func.apply(obj, args) unless execAsap
      timeout = null

lmartins

# Reference: http://discontinuously.com/2012/05/iteration-in-coffeescript/

for element in arr
  console.log element
  # code here

# Expose the index in an Array Comprehension
for element, index in arr
  console.log element
  # code here

lmartins

'use strict';

var gulp = require('gulp'),
  gutil      = require('gulp-util'),
  sass       = require('gulp-sass'),
  prefix     = require('gulp-autoprefixer'),
  coffee     = require('gulp-coffee'),
  coffeelint = require('gulp-coffeelint'),
  component  = require('gulp-component'),
  componentcoffee  = require('component-coffee'),

lmartins

# Swappable Mixins in CoffeeScript
# ================================

# Many thanks to Hashmal, who wrote this to start.
# https://gist.github.com/803816/aceed8fc57188c3a19ce2eccdb25acb64f2be94e

# Usage
# -----

# class Derp extends Mixin

lmartins

isInViewport = (el) ->
  rect = el.getBoundingClientRect()
  html = document.documentElement
  return(
    rect.top >= 0 and
    rect.left >= 0 and
    rect.bottom <= (window.innerHeight or html.clientHeight) and
    rect.right <= (window.innerWidth or html.clientWidth)
    )

lmartins

object =
  init: ->
    btnEl = document.querySelector 'button'
    btnEl.addEventListener 'click', this
    btnEl.addEventListener 'touchstart', this

  handleEvent: (e) ->
    switch e.type
      when 'click'
        @action(e.type)

lmartins

// Define a getElementsByAttribute function. It
// takes an attribute name string and an optional
// matching value. It calls walk_the_DOM, passing it a
// function that looks for an attribute name in the
// node. The matching nodes are accumulated in a
// results array.

var getElementsByAttribute = function (att, value) {
  var results = [];
  walkTheDom(document.body, function(node){