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};\n    return this._generic('brandChange', details);\n  },\n\n  // Sent from the card number to the cvv window when cvv asks for it (as opposed\n  // to when brand changes -- above). Needed in the case that cvv has been mounted\n  // or re-mounted after the brand has been updated.\n  askForBrand: function(askerField) {\n    const details = {\n      asker: askerField,\n    };\n    return this._generic('askForBrand', details);\n  },\n\n  // Sent from the source window to the card number iframe to start the \n  // tokenization process (validation and ajax request).\n  beginTokenization: function() {\n    return this._generic('beginTokenization');\n  },\n\n  tokenResponse: function(result, code, errorOrToken, last4, expiryMonth, expiryYear) {\n    let details = { event: {} };\n    details.event.code = code;\n    if(result === Events.error) {\n      details.event.error = errorOrToken;\n    } else {\n      details.event.token = errorOrToken;\n      details.event.last4 = last4;\n      details.event.expiryMonth = expiryMonth;\n      details.event.expiryYear = expiryYear;\n    }\n    return this._generic('tokenResponse', details);\n  },\n\n  // Sent from one iframe input to another requesting validation information.\n  validationRequest: function() {\n    return this._generic('validationRequest');\n  },\n\n  // Sent from one iframe back to the one that requested validation information.\n  // If valid, message includes the value of the field.\n  validationResponse: function(field, valid, value) {\n    const details = {\n      field: field,\n      valid: valid, \n      value: value, \n    };\n    return this._generic('validationResponse', details);\n  },\n\n  // Sent from one iframe input to another requesting input focus.\n  focus: function() {\n    return this._generic('focus');\n  },\n\n  // Sent from one iframe input to another requesting input blur.\n  blur: function() {\n    return this._generic('blur');\n  },\n\n  // Sent from one iframe input to another requesting input clear.\n  clear: function() {\n    return this._generic('clear');\n  },\n\n  // Used to update field/iframe\n  // details are e.g. style, placeholder, classes\n  update: function(details) {\n    return this._generic('update', details);\n  },\n\n  // Create an empty named message\n  _generic: function(name, details) {\n    return {\n      name: name,\n      details: details,\n    };\n  },\n};\n\nmodule.exports = Message;\n\n\n// WEBPACK FOOTER //\n// ./app/message.js","let Style = {\n  supportedClassProperties: ['base', 'complete', 'error', 'empty', 'focus'],\n  supportedStyleProperties: ['base', 'complete', 'error', 'empty'],\n  supportedCSSProperties: ['color', 'fontFamily', 'fontSize', 'fontStyle', \n    'textDecoration', 'fontWeight', 'paddingLeft', 'paddingTop', 'paddingRight',\n    'paddingBottom', 'padding'],\n  supportedPseudoClasses: [':hover', ':focus'],\n\n  getDefaultCustomClasses: function() {\n    return {\n      base: 'bambora-checkoutfield',\n      complete: 'bambora-checkoutfield-complete',\n      empty: 'bambora-checkoutfield-empty',\n      focus: 'bambora-checkoutfield-focus',\n      error: 'bambora-checkoutfield-error',\n    };\n  },\n\n  // Parse the argument of style information passed in and return an array of \n  // errors present (if any).\n  validateStyleArgument: function(styles) {\n    let errors = [];\n    for (let group in styles) {\n      if (styles.hasOwnProperty(group)) {\n        if (this.supportedStyleProperties.indexOf(group) <= -1) {\n          errors.push(`'${group}' is not a supported style group`);\n        \n        } else {\n          if (typeof styles[group] !== 'object') {\n            errors.push(`style group '${group}' must be an object`);\n            continue;\n          }\n\n          for (let rule in styles[group]) {\n            if (styles[group].hasOwnProperty(rule)) {\n              if (this.supportedCSSProperties.indexOf(rule) <= -1 && \n                  this.supportedPseudoClasses.indexOf(rule) <= -1) {\n                errors.push(`'${rule}' is not a supported style setting`);\n              \n              } else if (this.supportedPseudoClasses.indexOf(rule) > -1) {\n                if (typeof styles[group][rule] !== 'object') {\n                  errors.push(`style property ${rule} must be an object`);\n                  continue;\n                }\n\n                for (let subRule in styles[group][rule]) {\n                  if (styles[group][rule].hasOwnProperty(subRule)) {\n                    if (this.supportedCSSProperties.indexOf(subRule) <= -1) {\n                      errors.push(`${subRule} is not a supported nested style setting`);\n\n                    } else {\n                      if (typeof styles[group][rule][subRule] !== 'string') {\n                        errors.push(`style property ${subRule} must be an object`);\n                      }\n                    }\n                  }\n                }\n              } else {\n                if (typeof styles[group][rule] !== 'string') {\n                  errors.push(`style property ${rule} must be a string`);\n                }\n              }\n            }\n          }\n        }\n      }\n    }\n    return errors;\n  },\n\n  buildRuleStringFromStyle: function(style) {\n    let rules = '';\n\n    if (style.color) {\n      rules += `color: ${style.color}; `;\n    }\n\n    if (style.fontFamily) {\n      rules += `font-family: ${style.fontFamily}; `;\n    }\n\n    if (style.fontStyle) {\n      rules += `font-style: ${style.fontStyle};`;\n    }\n\n    if (style.fontSize) {\n      rules += `font-size: ${style.fontSize}; `;\n    }\n\n    if (style.textDecoration) {\n      rules += `text-decoration: ${style.textDecoration}; `;\n    }\n\n    if (style.fontWeight) {\n      rules += `font-weight: ${style.fontWeight}; `;\n    }\n\n    if (style.paddingLeft) {\n      rules += `padding-left: ${style.paddingLeft}; `; \n    }\n\n    if (style.paddingTop) {\n      rules += `padding-top: ${style.paddingTop}; `;\n    }\n\n    if (style.paddingRight) {\n      rules += `padding-right: ${style.paddingRight}; `;\n    }\n\n    if (style.paddingBottom) {\n      rules += `padding-bottom: ${style.paddingBottom}; `;\n    }\n\n    if (style.padding) {\n      rules += `padding: ${style.padding}; `;\n    }\n\n    return rules;\n  },\n\n};\n\nmodule.exports = Style;\n\n\n\n// WEBPACK FOOTER //\n// ./app/style.js","// Source: https://gist.github.com/k-gun/c2ea7c49edf7b757fe9561ba37cb19ca\n;(function() {\n    // helpers\n    var regExp = function(name) {\n        return new RegExp('(^| )'+ name +'( |$)');\n    };\n    var forEach = function(list, fn, scope) {\n        for (var i = 0; i < list.length; i++) {\n            fn.call(scope, list[i]);\n        }\n    };\n\n    // class list object with basic methods\n    function ClassList(element) {\n        this.element = element;\n    }\n\n    ClassList.prototype = {\n        add: function() {\n            forEach(arguments, function(name) {\n                if (!this.contains(name)) {\n                    this.element.className += this.element.className.length > 0 ? ' ' + name : name;\n                }\n            }, this);\n        },\n        remove: function() {\n            forEach(arguments, function(name) {\n                this.element.className =\n                    this.element.className.replace(regExp(name), ' ');\n            }, this);\n        },\n        toggle: function(name) {\n            return this.contains(name) \n                ? (this.remove(name), false) : (this.add(name), true);\n        },\n        contains: function(name) {\n            return regExp(name).test(this.element.className);\n        },\n        // bonus..\n        replace: function(oldName, newName) {\n            this.remove(oldName), this.add(newName);\n        }\n    };\n\n    // IE8/9, Safari\n    if (!('classList' in Element.prototype)) {\n        Object.defineProperty(Element.prototype, 'classList', {\n            get: function() {\n                return new ClassList(this);\n            }\n        });\n    }\n\n    // replace() support for others\n    if (window.DOMTokenList && DOMTokenList.prototype.replace == null) {\n        DOMTokenList.prototype.replace = ClassList.prototype.replace;\n    }\n})();\n\n\n\n// WEBPACK FOOTER //\n// ./app/polyfills/classList.js","/* global REMOTE_ORIGIN */\n\nconst Events = require('../events.js');\nconst Fields = require('../fields.js');\nconst Message = require('../message.js');\nconst Style = require('../style.js');\n\n/* Constructor */\n\nfunction Controller(view) {\n  var self = this;\n  self.view = view;\n\n  self.eventCallbacks = {};  // the functions that are registered on fields to \n                             // be called on events (e.g. on load, error, etc.)\n\n  self.customClasses = {};\n  self.customClasses[Fields.CARD_NUMBER] = Style.getDefaultCustomClasses();\n  self.customClasses[Fields.CVV] = Style.getDefaultCustomClasses();\n  self.customClasses[Fields.EXPIRY] = Style.getDefaultCustomClasses();\n\n  // link message eventListener callback to the view immediately\n  self.view.bind('message', function(event) {\n    self.receiveMessage(event);\n  });\n\n  // bind API methods to use controller 'self' for internal 'this', so that \n  // they behave as expected\n  self.create = self.create.bind(self);\n  self.on = self.on.bind(self);\n  self.createToken = self.createToken.bind(self);\n}\n\nController.prototype.updateWrapperClass = function(eventName, event) {\n  const self = this;\n  const field = event.field; \n  const classes = self.customClasses[field];\n\n  if (eventName === Events.focus) {\n    self.view.render('addClass', { field: field, class: classes.focus });\n  } else if (eventName === Events.blur) {\n    self.view.render('removeClass', { field: field, class: classes.focus });\n  } else if (eventName === Events.empty) {\n    if (event.empty) {\n      self.view.render('addClass', { field: field, class: classes.empty });\n    } else {\n      self.view.render('removeClass', { field: field, class: classes.empty });\n    }\n  } else if (eventName === Events.complete) {\n    if (event.complete) {\n      self.view.render('removeClass', { field: field, class: classes.error });\n      self.view.render('addClass', { field: field, class: classes.complete });\n    } else {\n      self.view.render('removeClass', { field: field, class: classes.complete });\n    }\n  } else if (eventName === Events.error) {\n    self.view.render('removeClass', { field: field, class: classes.complete });\n    self.view.render('addClass', { field: field, class: classes.error });\n  }\n};\n\nController.prototype.callbackEvent = function(details) {\n  const self = this;\n  const eventName = details.eventName;\n  const event = details.event;\n\n  self.updateWrapperClass(eventName, event);\n  if (self.eventCallbacks[eventName]) {\n    self.eventCallbacks[eventName](event);\n  }\n};\n\nController.prototype.receiveMessage = function(event) {\n  const self = this;\n  \n  if (!Events.checkOrigin(event, REMOTE_ORIGIN)) {\n    return false;\n  }\n\n  // Handle message\n  let message = event.data;\n  if (typeof message === 'string' || message instanceof String) {\n    try {\n      message = JSON.parse(message);\n    } catch (err) {\n      self.view.render('error', `Could not parse message: ${err.name} - ${err.message}`);\n    }\n  }\n  const details = message.details;\n  \n  if (message.name === 'updateIFrame') {\n    self.view.render('updateIFrame', details);  \n  } else if (message.name === 'callbackEvent') {\n    self.callbackEvent(details);\n  } else if (message.name === 'tokenResponse') {\n    self.eventCallbacks['token'](details.event);\n  }\n   \n  return true;\n};\n\nController.prototype.setCustomClasses = function(type, classes) {\n  const self = this;\n  for (let property in classes) {\n    if (classes.hasOwnProperty(property)) {\n      if (Style.supportedClassProperties.indexOf(property) > -1) {\n        if (typeof classes[property] === 'string' || classes[property] instanceof String) {\n          self.customClasses[type][property] = classes[property];\n        } else {\n          self.view.render('error', `'${property}' classes property requires a string value`);\n        }\n      } else {\n        self.view.render('error', `'${property}' is not a supported custom class`);\n      }\n    }\n  }\n};\n\n/* API Methods */\n\nController.prototype.create = function(type, options={}) {\n  const self = this;\n\n  if (type !== Fields.CARD_NUMBER && type !== Fields.CVV && type !== Fields.EXPIRY) {\n    self.view.render('error', `type must be ${Fields.CARD_NUMBER}, ${Fields.CVV}, or ${Fields.EXPIRY}`);\n    return; \n  }\n\n  if (options.classes) {\n    self.setCustomClasses(type, options.classes);\n  }\n  \n  self.view.render('create', type); \n  var msg = Message.create(options);\n  self.view.postMessage(msg, type);\n  \n  return {\n    // field object API methods:\n    mount: self.mount.bind(this, type),\n    unmount: self.unmount.bind(this, type),\n    focus: self.focus.bind(this, type),\n    blur: self.blur.bind(this, type),\n    clear: self.clear.bind(this, type),\n    update: self.update.bind(this, type),\n  };\n};\n\n// Registers the callback in the controller's callbacks object and \n// posts a message to the iframe of the event to respond to. \nController.prototype.on = function(eventName, callback) {\n  var self = this;\n\n  // Return error if callback type is not supported \n  const supportedEvents = [Events.blur, Events.focus, Events.empty, Events.complete, Events.brand, Events.error];\n  if(supportedEvents.indexOf(eventName) <= -1) {\n    self.view.render('error', `event type '${eventName}' not supported`);\n    return; \n  }\n\n  // register this callback for each of the inputs \n  self.eventCallbacks[eventName] = callback;\n};\n\n// Kicks off token creation by registering the callback and \n// sending a 'createToken' message to the iframe.\nController.prototype.createToken = function(callback) {\n  var self = this;\n  self.eventCallbacks['token'] = callback;\n  self.view.postMessage(Message.beginTokenization(), Fields.CARD_NUMBER);\n};\n\n/* field object API methods */\n\n// Method on the object returned from #create()\n// type and options arguments are bound to the function on creation\nController.prototype.mount = function(type, parent) {\n  var self = this;\n\n  self.view.render('mount', {\n    parent: parent, \n    type: type, \n    errorMsg: `Mount could not find wrapper element '${parent}'`,\n  });\n  \n  self.view.render('addClass', { field: type, class: self.customClasses[type].empty });\n  self.view.render('addClass', { field: type, class: self.customClasses[type].base });\n};\n\n/*\n * Methods on the object returned from #create()\n * type and options arguments are bound to the function on creation\n */\n\nController.prototype.unmount = function(type) {\n  var self = this;\n  var parent = self.view.getParent(type);\n  \n  self.view.render('removeClass', { field: type, class: self.customClasses[type].empty });\n  self.view.render('removeClass', { field: type, class: self.customClasses[type].base });\n\n  self.view.render('unmount', {\n    type: type, \n    errorMsg: `Unmount could not find wrapper element '${parent}'`,\n  });\n};\n\nController.prototype.focus = function(type) {\n  self.view.postMessage(Message.focus(), type);\n};\n\nController.prototype.blur = function(type) {\n  self.view.postMessage(Message.blur(), type);\n};\n\nController.prototype.clear = function(type) {\n  self.view.postMessage(Message.clear(), type);\n};\n\nController.prototype.update = function(type, options={}) {\n\n  if (options.classes) {\n    self.setCustomClasses(type, options.classes);\n  }\n  \n  var msg = Message.update(options);\n  self.view.postMessage(msg, type);\n};\n\nmodule.exports = Controller;\n\n\n// WEBPACK FOOTER //\n// ./app/main/controller.js","/* global REMOTE_PAGE_URL */\nrequire('../polyfills/classList.js');\n\nconst Fields = require('../fields.js');\n\n/* Constructor */\n\nfunction View() {\n  const self = this;\n\n  self.$iFrame = {};\n  self.$iFrame[Fields.CARD_NUMBER] = null;\n  self.$iFrame[Fields.CVV] = null;\n  self.$iFrame[Fields.EXPIRY] = null;\n\n  self.iFrameLoaded = {};\n  self.iFrameLoaded[Fields.CARD_NUMBER] = false;\n  self.iFrameLoaded[Fields.CVV] = false;\n  self.iFrameLoaded[Fields.EXPIRY] = false;\n\n  self.parentOf = {};\n  self.parentOf[Fields.CARD_NUMBER] = null;\n  self.parentOf[Fields.CVV] = null;\n  self.parentOf[Fields.EXPIRY] = null;\n}\n\nView.prototype.isSupportedBrowser = function() {\n  return true; // TODO: Decide what features are needed, use Modernizr to detect\n};\n\n/* Render methods */\n\n/* Called by the controller with `view.render('method-name', arg);` */\n\nView.prototype._updateIFrame = function(data) {\n  const self = this;\n  const iframe = self.$iFrame[data.type];\n\n  if (iframe) {\n    iframe.height = data.inputHeight;\n  }\n};\n\nView.prototype._addClass = function(data) {\n  const self = this;\n  const parent = self.parentOf[data.field];\n  if (parent) {\n    parent.classList.add(data.class);\n  } else {\n    self._error('Parent element does not exist');\n  }\n};\n\nView.prototype._removeClass = function(data) {\n  const self = this;\n  const parent = self.parentOf[data.field];\n  if (parent) {\n    parent.classList.remove(data.class);\n  } else {\n    self._error('Parent element does not exist');\n  }\n};\n\nView.prototype._create = function(type) {\n\n  if (!window.location.origin) { // .origin not supported in ie < 11\n    window.location.origin = `${window.location.protocol}//${window.location.hostname}`;\n    if (window.location.port) {\n      window.location.origin += `:${window.location.port}`;\n    }\n  }\n\n  var iframe = document.createElement('iframe');\n  iframe.src = `${REMOTE_PAGE_URL}?type=${type}&source=${encodeURIComponent(window.location.href)}&origin=${encodeURIComponent(window.location.origin)}`;\n  iframe.scrolling = 'no';\n  iframe.height = '0';\n  iframe.width = '100%';\n  iframe.name = `bambora-${type}-iframe`;\n  iframe.style.border = 'none';\n  iframe.style.overflow = 'visible';\n  iframe.style.backgroundColor = 'transparent';\n  iframe.allowTransparency = 'true';\n\n  this.$iFrame[type] = iframe;\n};\n\nView.prototype._mount = function(data) {\n  const self = this;\n  var parent = document.querySelector(data.parent);\n  const iframe = this.$iFrame[data.type];\n\n  if (parent) {\n    parent.appendChild(iframe);\n    self.parentOf[data.type] = parent;\n  } else {\n    self._error(data.errorMsg);\n  }\n};\n\nView.prototype._unmount = function(data) {\n  const self = this;\n  var parent = self.parentOf[data.type];\n\n  if (parent) {\n    parent.removeChild(parent.firstChild);\n    self.parentOf[data.type] = null;\n  } else {\n    self._error(data.errorMsg);\n  }\n};\n\nView.prototype._error = function(str) {\n  console.error(`Custom Checkout: ${str}`);\n};\n\n/* Render handler */\n\nView.prototype.render = function(viewCmd, parameter) {\n  const self = this;\n  var viewCommands = {\n    updateIFrame: function() {\n      self._updateIFrame(parameter);\n    },\n    addClass: function() {\n      self._addClass(parameter);\n    },\n    removeClass: function() {\n      self._removeClass(parameter);\n    },\n    create: function() {\n      self._create(parameter);\n    },\n    mount: function() {\n      self._mount(parameter);\n    },\n    unmount: function() {\n      self._unmount(parameter);\n    },\n    error: function() {\n      self._error(parameter);\n    },\n  };\n\n  viewCommands[viewCmd]();\n};\n\n/* Message passing to iFrames */\n\n// Send a message to the specified iFrame. If the iframe has been loaded,\n// send message immediately, otherwise, add message to queue of messages in the\n// iframe's onload event.\nView.prototype.postMessage = function(msg, field) {\n  const self = this;\n  var iFrameSrc = REMOTE_PAGE_URL; // defined in webpack config\n\n  if (self.$iFrame[field] === null && field === Fields.CVV) {\n    return; // cvv field is optional, no need to send message\n\n  } else if (self.$iFrame[field] === null) {\n    self._error('Card number and expiry fields are required');\n\n  } else if (self.iFrameLoaded[field]) {\n    try {\n      self.$iFrame[field].contentWindow.postMessage(JSON.stringify(msg), iFrameSrc);\n    } catch (e) {\n      self.render('error', `The ${field} field has not been mounted to the page`);\n    }\n  } else {\n    var queuedMessages = self.$iFrame[field].onload;\n    msg = JSON.stringify(msg);\n    self.$iFrame[field].onload = function() {\n      if(queuedMessages) {\n        queuedMessages();\n      }\n      self.$iFrame[field].contentWindow.postMessage(msg, iFrameSrc);\n      self.iFrameLoaded[field] = true;\n    };\n  }\n};\n\n// Returns the parent DOM element found and setup during 'mount'.\nView.prototype.getParent = function(type) {\n  const self = this;\n  var parent = self.parentOf[type];\n  return parent;\n};\n\n/* callback binding */\n\nView.prototype.bind = function(event, handler) {\n  if (event === 'message') {\n    window.addEventListener('message', handler, false);\n  }\n};\n\nmodule.exports = View;\n\n\n\n// WEBPACK FOOTER //\n// ./app/main/view.js","const View = require('./view.js');\nconst Controller = require('./controller.js');\n\nmodule.exports = function() {\n  this.view = new View();\n\n  // Fail gracefully if browser unsupported\n  if(!this.view.isSupportedBrowser()) {\n    this.view.render('error', 'Custom Checkout is not supported by browser');\n    return;\n  }\n\n  this.controller = new Controller(this.view);\n\n  // API endpoints:\n  return {\n    create: this.controller.create,\n    on: this.controller.on,\n    createToken: this.controller.createToken,\n  };\n};\n\n\n// WEBPACK FOOTER //\n// ./app/main/index.js"],"sourceRoot":""}