build.js

(function outer(modules, cache, entries){

  /**
   * Global
   */

  var global = (function(){ return this; })();

  /**
   * Require `name`.
   *
   * @param {String} name
   * @api public
   */

  function require(name){
    if (cache[name]) return cache[name].exports;
    if (modules[name]) return call(name, require);
    throw new Error('cannot find module "' + name + '"');
  }

  /**
   * Call module `id` and cache it.
   *
   * @param {Number} id
   * @param {Function} require
   * @return {Function}
   * @api private
   */

  function call(id, require){
    var m = cache[id] = { exports: {} };
    var mod = modules[id];
    var name = mod[2];
    var fn = mod[0];
    var threw = true;

    try {
      fn.call(m.exports, function(req){
        var dep = modules[id][1][req];
        return require(dep || req);
      }, m, m.exports, outer, modules, cache, entries);
      threw = false;
    } finally {
      if (threw) {
        delete cache[id];
      } else if (name) {
        // expose as 'name'.
        cache[name] = cache[id];
      }
    }

    return cache[id].exports;
  }

  /**
   * Require all entries exposing them on global if needed.
   */

  for (var id in entries) {
    if (entries[id]) {
      global[entries[id]] = require(id);
    } else {
      require(id);
    }
  }

  /**
   * Duo flag.
   */

  require.duo = true;

  /**
   * Expose cache.
   */

  require.cache = cache;

  /**
   * Expose modules
   */

  require.modules = modules;

  /**
   * Return newest require.
   */

   return require;
})({
1: [function(require, module, exports) {
'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});
exports['default'] = init;

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

var _analyticsJsIntegration = require('analytics.js-integration');

var _analyticsJsIntegration2 = _interopRequireDefault(_analyticsJsIntegration);

function init(analytics) {
  analytics.addIntegration(XNG);
}

init.Integration = XNG;
var xngVersion = window.xngUseVersion ? window.xngUseVersion : 'xng';
var xngLibDomain = window.xngBackendDomain ? window.xngBackendDomain : 'test.crossengage.io';

var XNG = (0, _analyticsJsIntegration2['default'])('CrossEngage').readyOnLoad().global('xng').option('apiKey', '').option('siteID', '').option('adformID', '').option('debug', false).tag('<script src="https://' + xngLibDomain + '/xng/' + xngVersion + '.min.js">');

var mocked = undefined;

XNG.prototype.initialize = function () {
  mockXNG(window);

  window.xng.init(this.options.apiKey, this.options.siteID, this.options.debug);

  window.xng.adform(this.options.adformID);

  this.load(this.ready);
};

XNG.prototype.loaded = function () {
  return window.xng && window.xng.version;
};

XNG.prototype.page = function (page) {
  this.debug('xng-integration:page', page);

  return window.xng.page(page.json());
};

XNG.prototype.identify = function (identify) {
  this.debug('xng-integration:identify', identify);

  return window.xng.identify(identify.json());
};

XNG.prototype.group = function (group) {
  this.debug('xng-integration:group', group);

  return window.xng.group(group.json());
};

XNG.prototype.track = function (track) {
  this.debug('xng-integration:track', track);

  return window.xng.track(track.json());
};

XNG.prototype.alias = function (alias) {
  var user = this.analytics.user();
  var json = alias.json();

  json.previousId = json.previousId || json.from || user.id() || user.anonymousId();
  json.userId = json.userId || json.to;

  delete json.from;
  delete json.to;

  this.debug('xng-integration:alias', alias, json);
  return window.xng.alias(json);
};

function mockXNG(w, xng) {
  xng = w.xng = w.xng || [];

  if (!xng.version) {
    if (!mocked) {
      mocked = true;

      var methods = ['init', 'track', 'page', 'identify', 'group', 'alias', 'pushNotification', 'safariPushNotification', 'adform'];

      var method;

      while (method = methods.shift()) {
        xng[method] = factory(method);
      }
    }
  }

  function factory(t) {
    return function () {
      xng.push(Array.prototype.concat.apply([t], arguments));
      return xng;
    };
  }
}
module.exports = exports['default'];
}, {"analytics.js-integration":2}],
2: [function(require, module, exports) {

/**
 * Module dependencies.
 */

'use strict';

var bind = require('bind');
var clone = require('clone');
var debug = require('debug');
var defaults = require('defaults');
var extend = require('extend');
var slug = require('slug');
var protos = require('./protos');
var statics = require('./statics');

/**
 * Create a new `Integration` constructor.
 *
 * @constructs Integration
 * @param {string} name
 * @return {Function} Integration
 */

function createIntegration(name) {
  /**
   * Initialize a new `Integration`.
   *
   * @class
   * @param {Object} options
   */

  function Integration(options) {
    if (options && options.addIntegration) {
      // plugin
      return options.addIntegration(Integration);
    }
    this.debug = debug('analytics:integration:' + slug(name));
    this.options = defaults(clone(options) || {}, this.defaults);
    this._queue = [];
    this.once('ready', bind(this, this.flush));

    Integration.emit('construct', this);
    this.ready = bind(this, this.ready);
    this._wrapInitialize();
    this._wrapPage();
    this._wrapTrack();
  }

  Integration.prototype.defaults = {};
  Integration.prototype.globals = [];
  Integration.prototype.templates = {};
  Integration.prototype.name = name;
  extend(Integration, statics);
  extend(Integration.prototype, protos);

  return Integration;
}

/**
 * Exports.
 */

module.exports = createIntegration;
}, {"bind":3,"clone":4,"debug":5,"defaults":6,"extend":7,"slug":8,"./protos":9,"./statics":10}],
3: [function(require, module, exports) {
'use strict';

var bind = require('bind'),
    bindAll = require('bind-all');

/**
 * Expose `bind`.
 */

module.exports = exports = bind;

/**
 * Expose `bindAll`.
 */

exports.all = bindAll;

/**
 * Expose `bindMethods`.
 */

exports.methods = bindMethods;

/**
 * Bind `methods` on `obj` to always be called with the `obj` as context.
 *
 * @param {Object} obj
 * @param {String} methods...
 */

function bindMethods(obj, methods) {
  methods = [].slice.call(arguments, 1);
  for (var i = 0, method; method = methods[i]; i++) {
    obj[method] = bind(obj, obj[method]);
  }
  return obj;
}
}, {"bind":11,"bind-all":12}],
11: [function(require, module, exports) {
/**
 * Slice reference.
 */

'use strict';

var slice = [].slice;

/**
 * Bind `obj` to `fn`.
 *
 * @param {Object} obj
 * @param {Function|String} fn or string
 * @return {Function}
 * @api public
 */

module.exports = function (obj, fn) {
  if ('string' == typeof fn) fn = obj[fn];
  if ('function' != typeof fn) throw new Error('bind() requires a function');
  var args = slice.call(arguments, 2);
  return function () {
    return fn.apply(obj, args.concat(slice.call(arguments)));
  };
};
}, {}],
12: [function(require, module, exports) {
'use strict';

try {
  var bind = require('bind');
  var type = require('type');
} catch (e) {
  var bind = require('bind-component');
  var type = require('type-component');
}

module.exports = function (obj) {
  for (var key in obj) {
    var val = obj[key];
    if (type(val) === 'function') obj[key] = bind(obj, obj[key]);
  }
  return obj;
};
}, {"bind":11,"type":13}],
13: [function(require, module, exports) {
/**
 * toString ref.
 */

'use strict';

var toString = Object.prototype.toString;

/**
 * Return the type of `val`.
 *
 * @param {Mixed} val
 * @return {String}
 * @api public
 */

module.exports = function (val) {
  switch (toString.call(val)) {
    case '[object Date]':
      return 'date';
    case '[object RegExp]':
      return 'regexp';
    case '[object Arguments]':
      return 'arguments';
    case '[object Array]':
      return 'array';
    case '[object Error]':
      return 'error';
  }

  if (val === null) return 'null';
  if (val === undefined) return 'undefined';
  if (val !== val) return 'nan';
  if (val && val.nodeType === 1) return 'element';

  if (isBuffer(val)) return 'buffer';

  val = val.valueOf ? val.valueOf() : Object.prototype.valueOf.apply(val);

  return typeof val;
};

// code borrowed from https://github.com/feross/is-buffer/blob/master/index.js
function isBuffer(obj) {
  return !!(obj != null && (obj._isBuffer || // For Safari 5-7 (missing Object.prototype.constructor)
  obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)));
}
}, {}],
4: [function(require, module, exports) {

/**
 * Module dependencies.
 */

'use strict';

var type;

try {
  type = require('type');
} catch (e) {
  type = require('type-component');
}

/**
 * Module exports.
 */

module.exports = clone;

/**
 * Clones objects.
 *
 * @param {Mixed} any object
 * @api public
 */

function clone(obj) {
  switch (type(obj)) {
    case 'object':
      var copy = {};
      for (var key in obj) {
        if (obj.hasOwnProperty(key)) {
          copy[key] = clone(obj[key]);
        }
      }
      return copy;

    case 'array':
      var copy = new Array(obj.length);
      for (var i = 0, l = obj.length; i < l; i++) {
        copy[i] = clone(obj[i]);
      }
      return copy;

    case 'regexp':
      // from millermedeiros/amd-utils - MIT
      var flags = '';
      flags += obj.multiline ? 'm' : '';
      flags += obj.global ? 'g' : '';
      flags += obj.ignoreCase ? 'i' : '';
      return new RegExp(obj.source, flags);

    case 'date':
      return new Date(obj.getTime());

    default:
      // string, number, boolean, …
      return obj;
  }
}
}, {"type":13}],
5: [function(require, module, exports) {
'use strict';

if ('undefined' == typeof window) {
  module.exports = require('./lib/debug');
} else {
  module.exports = require('./debug');
}
}, {"./lib/debug":14,"./debug":15}],
14: [function(require, module, exports) {
/**
 * Module dependencies.
 */

'use strict';

var tty = require('tty');

/**
 * Expose `debug()` as the module.
 */

module.exports = debug;

/**
 * Enabled debuggers.
 */

var names = [],
    skips = [];

(process.env.DEBUG || '').split(/[\s,]+/).forEach(function (name) {
  name = name.replace('*', '.*?');
  if (name[0] === '-') {
    skips.push(new RegExp('^' + name.substr(1) + '$'));
  } else {
    names.push(new RegExp('^' + name + '$'));
  }
});

/**
 * Colors.
 */

var colors = [6, 2, 3, 4, 5, 1];

/**
 * Previous debug() call.
 */

var prev = {};

/**
 * Previously assigned color.
 */

var prevColor = 0;

/**
 * Is stdout a TTY? Colored output is disabled when `true`.
 */

var isatty = tty.isatty(2);

/**
 * Select a color.
 *
 * @return {Number}
 * @api private
 */

function color() {
  return colors[prevColor++ % colors.length];
}

/**
 * Humanize the given `ms`.
 *
 * @param {Number} m
 * @return {String}
 * @api private
 */

function humanize(ms) {
  var sec = 1000,
      min = 60 * 1000,
      hour = 60 * min;

  if (ms >= hour) return (ms / hour).toFixed(1) + 'h';
  if (ms >= min) return (ms / min).toFixed(1) + 'm';
  if (ms >= sec) return (ms / sec | 0) + 's';
  return ms + 'ms';
}

/**
 * Create a debugger with the given `name`.
 *
 * @param {String} name
 * @return {Type}
 * @api public
 */

function debug(name) {
  function disabled() {}
  disabled.enabled = false;

  var match = skips.some(function (re) {
    return re.test(name);
  });

  if (match) return disabled;

  match = names.some(function (re) {
    return re.test(name);
  });

  if (!match) return disabled;
  var c = color();

  function colored(fmt) {
    fmt = coerce(fmt);

    var curr = new Date();
    var ms = curr - (prev[name] || curr);
    prev[name] = curr;

    fmt = '  \u001b[9' + c + 'm' + name + ' ' + '\u001b[3' + c + 'm\u001b[90m' + fmt + '\u001b[3' + c + 'm' + ' +' + humanize(ms) + '\u001b[0m';

    console.error.apply(this, arguments);
  }

  function plain(fmt) {
    fmt = coerce(fmt);

    fmt = new Date().toUTCString() + ' ' + name + ' ' + fmt;
    console.error.apply(this, arguments);
  }

  colored.enabled = plain.enabled = true;

  return isatty || process.env.DEBUG_COLORS ? colored : plain;
}

/**
 * Coerce `val`.
 */

function coerce(val) {
  if (val instanceof Error) return val.stack || val.message;
  return val;
}
}, {}],
15: [function(require, module, exports) {

/**
 * Expose `debug()` as the module.
 */

'use strict';

module.exports = debug;

/**
 * Create a debugger with the given `name`.
 *
 * @param {String} name
 * @return {Type}
 * @api public
 */

function debug(name) {
  if (!debug.enabled(name)) return function () {};

  return function (fmt) {
    fmt = coerce(fmt);

    var curr = new Date();
    var ms = curr - (debug[name] || curr);
    debug[name] = curr;

    fmt = name + ' ' + fmt + ' +' + debug.humanize(ms);

    // This hackery is required for IE8
    // where `console.log` doesn't have 'apply'
    window.console && console.log && Function.prototype.apply.call(console.log, console, arguments);
  };
}

/**
 * The currently active debug mode names.
 */

debug.names = [];
debug.skips = [];

/**
 * Enables a debug mode by name. This can include modes
 * separated by a colon and wildcards.
 *
 * @param {String} name
 * @api public
 */

debug.enable = function (name) {
  try {
    localStorage.debug = name;
  } catch (e) {}

  var split = (name || '').split(/[\s,]+/),
      len = split.length;

  for (var i = 0; i < len; i++) {
    name = split[i].replace('*', '.*?');
    if (name[0] === '-') {
      debug.skips.push(new RegExp('^' + name.substr(1) + '$'));
    } else {
      debug.names.push(new RegExp('^' + name + '$'));
    }
  }
};

/**
 * Disable debug output.
 *
 * @api public
 */

debug.disable = function () {
  debug.enable('');
};

/**
 * Humanize the given `ms`.
 *
 * @param {Number} m
 * @return {String}
 * @api private
 */

debug.humanize = function (ms) {
  var sec = 1000,
      min = 60 * 1000,
      hour = 60 * min;

  if (ms >= hour) return (ms / hour).toFixed(1) + 'h';
  if (ms >= min) return (ms / min).toFixed(1) + 'm';
  if (ms >= sec) return (ms / sec | 0) + 's';
  return ms + 'ms';
};

/**
 * Returns true if the given mode name is enabled, false otherwise.
 *
 * @param {String} name
 * @return {Boolean}
 * @api public
 */

debug.enabled = function (name) {
  for (var i = 0, len = debug.skips.length; i < len; i++) {
    if (debug.skips[i].test(name)) {
      return false;
    }
  }
  for (var i = 0, len = debug.names.length; i < len; i++) {
    if (debug.names[i].test(name)) {
      return true;
    }
  }
  return false;
};

/**
 * Coerce `val`.
 */

function coerce(val) {
  if (val instanceof Error) return val.stack || val.message;
  return val;
}

// persist

try {
  if (window.localStorage) debug.enable(localStorage.debug);
} catch (e) {}
}, {}],
6: [function(require, module, exports) {
'use strict';

/**
 * Merge default values.
 *
 * @param {Object} dest
 * @param {Object} defaults
 * @return {Object}
 * @api public
 */
var defaults = function defaults(dest, src, recursive) {
  for (var prop in src) {
    if (recursive && dest[prop] instanceof Object && src[prop] instanceof Object) {
      dest[prop] = defaults(dest[prop], src[prop], true);
    } else if (!(prop in dest)) {
      dest[prop] = src[prop];
    }
  }

  return dest;
};

/**
 * Expose `defaults`.
 */
module.exports = defaults;
}, {}],
7: [function(require, module, exports) {
"use strict";

module.exports = function extend(object) {
    // Takes an unlimited number of extenders.
    var args = Array.prototype.slice.call(arguments, 1);

    // For each extender, copy their properties on our object.
    for (var i = 0, source; source = args[i]; i++) {
        if (!source) continue;
        for (var property in source) {
            object[property] = source[property];
        }
    }

    return object;
};
}, {}],
8: [function(require, module, exports) {

/**
 * Generate a slug from the given `str`.
 *
 * example:
 *
 *        generate('foo bar');
 *        // > foo-bar
 *
 * @param {String} str
 * @param {Object} options
 * @config {String|RegExp} [replace] characters to replace, defaulted to `/[^a-z0-9]/g`
 * @config {String} [separator] separator to insert, defaulted to `-`
 * @return {String}
 */

'use strict';

module.exports = function (str, options) {
  options || (options = {});
  return str.toLowerCase().replace(options.replace || /[^a-z0-9]/g, ' ').replace(/^ +| +$/g, '').replace(/ +/g, options.separator || '-');
};
}, {}],
9: [function(require, module, exports) {
/* global setInterval:true setTimeout:true */

/**
 * Module dependencies.
 */

'use strict';

var Emitter = require('emitter');
var after = require('after');
var each = require('each');
var events = require('analytics-events');
var fmt = require('fmt');
var foldl = require('foldl');
var loadIframe = require('load-iframe');
var loadScript = require('load-script');
var normalize = require('to-no-case');
var nextTick = require('next-tick');
var every = require('every');
var is = require('is');

/**
 * Noop.
 */

function noop() {}

/**
 * hasOwnProperty reference.
 */

var has = Object.prototype.hasOwnProperty;

/**
 * Window defaults.
 */

var onerror = window.onerror;
var onload = null;
var setInterval = window.setInterval;
var setTimeout = window.setTimeout;

/**
 * Mixin emitter.
 */

/* eslint-disable new-cap */
Emitter(exports);
/* eslint-enable new-cap */

/**
 * Initialize.
 */

exports.initialize = function () {
  var ready = this.ready;
  nextTick(ready);
};

/**
 * Loaded?
 *
 * @api private
 * @return {boolean}
 */

exports.loaded = function () {
  return false;
};

/**
 * Page.
 *
 * @api public
 * @param {Page} page
 */

/* eslint-disable no-unused-vars */
exports.page = function (page) {};
/* eslint-enable no-unused-vars */

/**
 * Track.
 *
 * @api public
 * @param {Track} track
 */

/* eslint-disable no-unused-vars */
exports.track = function (track) {};
/* eslint-enable no-unused-vars */

/**
 * Get values from items in `options` that are mapped to `key`.
 * `options` is an integration setting which is a collection
 * of type 'map', 'array', or 'mixed'
 *
 * Use cases include mapping events to pixelIds (map), sending generic
 * conversion pixels only for specific events (array), or configuring dynamic
 * mappings of event properties to query string parameters based on event (mixed)
 *
 * @api public
 * @param {Object|Object[]|String[]} options An object, array of objects, or
 * array of strings pulled from settings.mapping.
 * @param {string} key The name of the item in options whose metadata
 * we're looking for.
 * @return {Array} An array of settings that match the input `key` name.
 * @example
 *
 * // 'Map'
 * var events = { my_event: 'a4991b88' };
 * .map(events, 'My Event');
 * // => ["a4991b88"]
 * .map(events, 'whatever');
 * // => []
 *
 * // 'Array'
 * * var events = ['Completed Order', 'My Event'];
 * .map(events, 'My Event');
 * // => ["My Event"]
 * .map(events, 'whatever');
 * // => []
 *
 * // 'Mixed'
 * var events = [{ key: 'my event', value: '9b5eb1fa' }];
 * .map(events, 'my_event');
 * // => ["9b5eb1fa"]
 * .map(events, 'whatever');
 * // => []
 */

exports.map = function (options, key) {
  var normalizedComparator = normalize(key);
  var mappingType = getMappingType(options);

  if (mappingType === 'unknown') {
    return [];
  }

  return foldl(function (matchingValues, val, key) {
    var compare;
    var result;

    if (mappingType === 'map') {
      compare = key;
      result = val;
    }

    if (mappingType === 'array') {
      compare = val;
      result = val;
    }

    if (mappingType === 'mixed') {
      compare = val.key;
      result = val.value;
    }

    if (normalize(compare) === normalizedComparator) {
      matchingValues.push(result);
    }

    return matchingValues;
  }, [], options);
};

/**
 * Invoke a `method` that may or may not exist on the prototype with `args`,
 * queueing or not depending on whether the integration is "ready". Don't
 * trust the method call, since it contains integration party code.
 *
 * @api private
 * @param {string} method
 * @param {...*} args
 */

exports.invoke = function (method) {
  if (!this[method]) return;
  var args = Array.prototype.slice.call(arguments, 1);
  if (!this._ready) return this.queue(method, args);
  var ret;

  try {
    this.debug('%s with %o', method, args);
    ret = this[method].apply(this, args);
  } catch (e) {
    this.debug('error %o calling %s with %o', e, method, args);
  }

  return ret;
};

/**
 * Queue a `method` with `args`. If the integration assumes an initial
 * pageview, then let the first call to `page` pass through.
 *
 * @api private
 * @param {string} method
 * @param {Array} args
 */

exports.queue = function (method, args) {
  if (method === 'page' && this._assumesPageview && !this._initialized) {
    return this.page.apply(this, args);
  }

  this._queue.push({ method: method, args: args });
};

/**
 * Flush the internal queue.
 *
 * @api private
 */

exports.flush = function () {
  this._ready = true;
  var self = this;

  each(this._queue, function (call) {
    self[call.method].apply(self, call.args);
  });

  // Empty the queue.
  this._queue.length = 0;
};

/**
 * Reset the integration, removing its global variables.
 *
 * @api private
 */

exports.reset = function () {
  for (var i = 0; i < this.globals.length; i++) {
    window[this.globals[i]] = undefined;
  }

  window.setTimeout = setTimeout;
  window.setInterval = setInterval;
  window.onerror = onerror;
  window.onload = onload;
};

/**
 * Load a tag by `name`.
 *
 * @param {string} name The name of the tag.
 * @param {Object} locals Locals used to populate the tag's template variables
 * (e.g. `userId` in '<img src="https://whatever.com/{{ userId }}">').
 * @param {Function} [callback=noop] A callback, invoked when the tag finishes
 * loading.
 */

exports.load = function (name, locals, callback) {
  // Argument shuffling
  if (typeof name === 'function') {
    callback = name;locals = null;name = null;
  }
  if (name && typeof name === 'object') {
    callback = locals;locals = name;name = null;
  }
  if (typeof locals === 'function') {
    callback = locals;locals = null;
  }

  // Default arguments
  name = name || 'library';
  locals = locals || {};

  locals = this.locals(locals);
  var template = this.templates[name];
  if (!template) throw new Error(fmt('template "%s" not defined.', name));
  var attrs = render(template, locals);
  callback = callback || noop;
  var self = this;
  var el;

  switch (template.type) {
    case 'img':
      attrs.width = 1;
      attrs.height = 1;
      el = loadImage(attrs, callback);
      break;
    case 'script':
      el = loadScript(attrs, function (err) {
        if (!err) return callback();
        self.debug('error loading "%s" error="%s"', self.name, err);
      });
      // TODO: hack until refactoring load-script
      delete attrs.src;
      each(attrs, function (key, val) {
        el.setAttribute(key, val);
      });
      break;
    case 'iframe':
      el = loadIframe(attrs, callback);
      break;
    default:
    // No default case
  }

  return el;
};

/**
 * Locals for tag templates.
 *
 * By default it includes a cache buster and all of the options.
 *
 * @param {Object} [locals]
 * @return {Object}
 */

exports.locals = function (locals) {
  locals = locals || {};
  var cache = Math.floor(new Date().getTime() / 3600000);
  if (!locals.hasOwnProperty('cache')) locals.cache = cache;
  each(this.options, function (key, val) {
    if (!locals.hasOwnProperty(key)) locals[key] = val;
  });
  return locals;
};

/**
 * Simple way to emit ready.
 *
 * @api public
 */

exports.ready = function () {
  this.emit('ready');
};

/**
 * Wrap the initialize method in an exists check, so we don't have to do it for
 * every single integration.
 *
 * @api private
 */

exports._wrapInitialize = function () {
  var initialize = this.initialize;
  this.initialize = function () {
    this.debug('initialize');
    this._initialized = true;
    var ret = initialize.apply(this, arguments);
    this.emit('initialize');
    return ret;
  };

  if (this._assumesPageview) this.initialize = after(2, this.initialize);
};

/**
 * Wrap the page method to call `initialize` instead if the integration assumes
 * a pageview.
 *
 * @api private
 */

exports._wrapPage = function () {
  var page = this.page;
  this.page = function () {
    if (this._assumesPageview && !this._initialized) {
      return this.initialize.apply(this, arguments);
    }

    return page.apply(this, arguments);
  };
};

/**
 * Wrap the track method to call other ecommerce methods if available depending
 * on the `track.event()`.
 *
 * @api private
 */

exports._wrapTrack = function () {
  var t = this.track;
  this.track = function (track) {
    var event = track.event();
    var called;
    var ret;

    for (var method in events) {
      if (has.call(events, method)) {
        var regexp = events[method];
        if (!this[method]) continue;
        if (!regexp.test(event)) continue;
        ret = this[method].apply(this, arguments);
        called = true;
        break;
      }
    }

    if (!called) ret = t.apply(this, arguments);
    return ret;
  };
};

/**
 * Determine the type of the option passed to `#map`
 *
 * @api private
 * @param {Object|Object[]} mapping
 * @return {String} mappingType
 */

function getMappingType(mapping) {
  if (is.array(mapping)) {
    return every(isMixed, mapping) ? 'mixed' : 'array';
  }
  if (is.object(mapping)) return 'map';
  return 'unknown';
}

/**
 * Determine if item in mapping array is a valid "mixed" type value
 *
 * Must be an object with properties "key" (of type string)
 * and "value" (of any type)
 *
 * @api private
 * @param {*} item
 * @return {Boolean}
 */

function isMixed(item) {
  if (!is.object(item)) return false;
  if (!is.string(item.key)) return false;
  if (!has.call(item, 'value')) return false;
  return true;
}

/**
 * TODO: Document me
 *
 * @api private
 * @param {Object} attrs
 * @param {Function} fn
 * @return {Image}
 */

function loadImage(attrs, fn) {
  fn = fn || function () {};
  var img = new Image();
  img.onerror = error(fn, 'failed to load pixel', img);
  img.onload = function () {
    fn();
  };
  img.src = attrs.src;
  img.width = 1;
  img.height = 1;
  return img;
}

/**
 * TODO: Document me
 *
 * @api private
 * @param {Function} fn
 * @param {string} message
 * @param {Element} img
 * @return {Function}
 */

function error(fn, message, img) {
  return function (e) {
    e = e || window.event;
    var err = new Error(message);
    err.event = e;
    err.source = img;
    fn(err);
  };
}

/**
 * Render template + locals into an `attrs` object.
 *
 * @api private
 * @param {Object} template
 * @param {Object} locals
 * @return {Object}
 */

function render(template, locals) {
  return foldl(function (attrs, val, key) {
    attrs[key] = val.replace(/\{\{\ *(\w+)\ *\}\}/g, function (_, $1) {
      return locals[$1];
    });
    return attrs;
  }, {}, template.attrs);
}
}, {"emitter":16,"after":17,"each":18,"analytics-events":19,"fmt":20,"foldl":21,"load-iframe":22,"load-script":23,"to-no-case":24,"next-tick":25,"every":26,"is":27}],
16: [function(require, module, exports) {

/**
 * Module dependencies.
 */

'use strict';

var index = require('indexof');

/**
 * Expose `Emitter`.
 */

module.exports = Emitter;

/**
 * Initialize a new `Emitter`.
 *
 * @api public
 */

function Emitter(obj) {
  if (obj) return mixin(obj);
};

/**
 * Mixin the emitter properties.
 *
 * @param {Object} obj
 * @return {Object}
 * @api private
 */

function mixin(obj) {
  for (var key in Emitter.prototype) {
    obj[key] = Emitter.prototype[key];
  }
  return obj;
}

/**
 * Listen on the given `event` with `fn`.
 *
 * @param {String} event
 * @param {Function} fn
 * @return {Emitter}
 * @api public
 */

Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) {
  this._callbacks = this._callbacks || {};
  (this._callbacks[event] = this._callbacks[event] || []).push(fn);
  return this;
};

/**
 * Adds an `event` listener that will be invoked a single
 * time then automatically removed.
 *
 * @param {String} event
 * @param {Function} fn
 * @return {Emitter}
 * @api public
 */

Emitter.prototype.once = function (event, fn) {
  var self = this;
  this._callbacks = this._callbacks || {};

  function on() {
    self.off(event, on);
    fn.apply(this, arguments);
  }

  fn._off = on;
  this.on(event, on);
  return this;
};

/**
 * Remove the given callback for `event` or all
 * registered callbacks.
 *
 * @param {String} event
 * @param {Function} fn
 * @return {Emitter}
 * @api public
 */

Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) {
  this._callbacks = this._callbacks || {};

  // all
  if (0 == arguments.length) {
    this._callbacks = {};
    return this;
  }

  // specific event
  var callbacks = this._callbacks[event];
  if (!callbacks) return this;

  // remove all handlers
  if (1 == arguments.length) {
    delete this._callbacks[event];
    return this;
  }

  // remove specific handler
  var i = index(callbacks, fn._off || fn);
  if (~i) callbacks.splice(i, 1);
  return this;
};

/**
 * Emit `event` with the given args.
 *
 * @param {String} event
 * @param {Mixed} ...
 * @return {Emitter}
 */

Emitter.prototype.emit = function (event) {
  this._callbacks = this._callbacks || {};
  var args = [].slice.call(arguments, 1),
      callbacks = this._callbacks[event];

  if (callbacks) {
    callbacks = callbacks.slice(0);
    for (var i = 0, len = callbacks.length; i < len; ++i) {
      callbacks[i].apply(this, args);
    }
  }

  return this;
};

/**
 * Return array of callbacks for `event`.
 *
 * @param {String} event
 * @return {Array}
 * @api public
 */

Emitter.prototype.listeners = function (event) {
  this._callbacks = this._callbacks || {};
  return this._callbacks[event] || [];
};

/**
 * Check if this emitter has `event` handlers.
 *
 * @param {String} event
 * @return {Boolean}
 * @api public
 */

Emitter.prototype.hasListeners = function (event) {
  return !!this.listeners(event).length;
};
}, {"indexof":28}],
28: [function(require, module, exports) {
"use strict";

module.exports = function (arr, obj) {
  if (arr.indexOf) return arr.indexOf(obj);
  for (var i = 0; i < arr.length; ++i) {
    if (arr[i] === obj) return i;
  }
  return -1;
};
}, {}],
17: [function(require, module, exports) {
"use strict";

module.exports = function after(times, func) {
  // After 0, really?
  if (times <= 0) return func();

  // That's more like it.
  return function () {
    if (--times < 1) {
      return func.apply(this, arguments);
    }
  };
};
}, {}],
18: [function(require, module, exports) {

/**
 * Module dependencies.
 */

'use strict';

try {
  var type = require('type');
} catch (err) {
  var type = require('component-type');
}

var toFunction = require('to-function');

/**
 * HOP reference.
 */

var has = Object.prototype.hasOwnProperty;

/**
 * Iterate the given `obj` and invoke `fn(val, i)`
 * in optional context `ctx`.
 *
 * @param {String|Array|Object} obj
 * @param {Function} fn
 * @param {Object} [ctx]
 * @api public
 */

module.exports = function (obj, fn, ctx) {
  fn = toFunction(fn);
  ctx = ctx || this;
  switch (type(obj)) {
    case 'array':
      return array(obj, fn, ctx);
    case 'object':
      if ('number' == typeof obj.length) return array(obj, fn, ctx);
      return object(obj, fn, ctx);
    case 'string':
      return string(obj, fn, ctx);
  }
};

/**
 * Iterate string chars.
 *
 * @param {String} obj
 * @param {Function} fn
 * @param {Object} ctx
 * @api private
 */

function string(obj, fn, ctx) {
  for (var i = 0; i < obj.length; ++i) {
    fn.call(ctx, obj.charAt(i), i);
  }
}

/**
 * Iterate object keys.
 *
 * @param {Object} obj
 * @param {Function} fn
 * @param {Object} ctx
 * @api private
 */

function object(obj, fn, ctx) {
  for (var key in obj) {
    if (has.call(obj, key)) {
      fn.call(ctx, key, obj[key]);
    }
  }
}

/**
 * Iterate array-ish.
 *
 * @param {Array|Object} obj
 * @param {Function} fn
 * @param {Object} ctx
 * @api private
 */

function array(obj, fn, ctx) {
  for (var i = 0; i < obj.length; ++i) {
    fn.call(ctx, obj[i], i);
  }
}
}, {"type":29,"component-type":29,"to-function":30}],
29: [function(require, module, exports) {

/**
 * toString ref.
 */

'use strict';

var toString = Object.prototype.toString;

/**
 * Return the type of `val`.
 *
 * @param {Mixed} val
 * @return {String}
 * @api public
 */

module.exports = function (val) {
  switch (toString.call(val)) {
    case '[object Function]':
      return 'function';
    case '[object Date]':
      return 'date';
    case '[object RegExp]':
      return 'regexp';
    case '[object Arguments]':
      return 'arguments';
    case '[object Array]':
      return 'array';
    case '[object String]':
      return 'string';
  }

  if (val === null) return 'null';
  if (val === undefined) return 'undefined';
  if (val && val.nodeType === 1) return 'element';
  if (val === Object(val)) return 'object';

  return typeof val;
};
}, {}],
30: [function(require, module, exports) {

/**
 * Module Dependencies
 */

'use strict';

var expr;
try {
  expr = require('props');
} catch (e) {
  expr = require('component-props');
}

/**
 * Expose `toFunction()`.
 */

module.exports = toFunction;

/**
 * Convert `obj` to a `Function`.
 *
 * @param {Mixed} obj
 * @return {Function}
 * @api private
 */

function toFunction(obj) {
  switch (({}).toString.call(obj)) {
    case '[object Object]':
      return objectToFunction(obj);
    case '[object Function]':
      return obj;
    case '[object String]':
      return stringToFunction(obj);
    case '[object RegExp]':
      return regexpToFunction(obj);
    default:
      return defaultToFunction(obj);
  }
}

/**
 * Default to strict equality.
 *
 * @param {Mixed} val
 * @return {Function}
 * @api private
 */

function defaultToFunction(val) {
  return function (obj) {
    return val === obj;
  };
}

/**
 * Convert `re` to a function.
 *
 * @param {RegExp} re
 * @return {Function}
 * @api private
 */

function regexpToFunction(re) {
  return function (obj) {
    return re.test(obj);
  };
}

/**
 * Convert property `str` to a function.
 *
 * @param {String} str
 * @return {Function}
 * @api private
 */

function stringToFunction(str) {
  // immediate such as "> 20"
  if (/^ *\W+/.test(str)) return new Function('_', 'return _ ' + str);

  // properties such as "name.first" or "age > 18" or "age > 18 && age < 36"
  return new Function('_', 'return ' + get(str));
}

/**
 * Convert `object` to a function.
 *
 * @param {Object} object
 * @return {Function}
 * @api private
 */

function objectToFunction(obj) {
  var match = {};
  for (var key in obj) {
    match[key] = typeof obj[key] === 'string' ? defaultToFunction(obj[key]) : toFunction(obj[key]);
  }
  return function (val) {
    if (typeof val !== 'object') return false;
    for (var key in match) {
      if (!(key in val)) return false;
      if (!match[key](val[key])) return false;
    }
    return true;
  };
}

/**
 * Built the getter function. Supports getter style functions
 *
 * @param {String} str
 * @return {String}
 * @api private
 */

function get(str) {
  var props = expr(str);
  if (!props.length) return '_.' + str;

  var val, i, prop;
  for (i = 0; i < props.length; i++) {
    prop = props[i];
    val = '_.' + prop;
    val = "('function' == typeof " + val + " ? " + val + "() : " + val + ")";

    // mimic negative lookbehind to avoid problems with nested properties
    str = stripNested(prop, str, val);
  }

  return str;
}

/**
 * Mimic negative lookbehind to avoid problems with nested properties.
 *
 * See: http://blog.stevenlevithan.com/archives/mimic-lookbehind-javascript
 *
 * @param {String} prop
 * @param {String} str
 * @param {String} val
 * @return {String}
 * @api private
 */

function stripNested(prop, str, val) {
  return str.replace(new RegExp('(\\.)?' + prop, 'g'), function ($0, $1) {
    return $1 ? $0 : val;
  });
}
}, {"props":31,"component-props":31}],
31: [function(require, module, exports) {
/**
 * Global Names
 */

'use strict';

var globals = /\b(this|Array|Date|Object|Math|JSON)\b/g;

/**
 * Return immediate identifiers parsed from `str`.
 *
 * @param {String} str
 * @param {String|Function} map function or prefix
 * @return {Array}
 * @api public
 */

module.exports = function (str, fn) {
  var p = unique(props(str));
  if (fn && 'string' == typeof fn) fn = prefixed(fn);
  if (fn) return map(str, p, fn);
  return p;
};

/**
 * Return immediate identifiers in `str`.
 *
 * @param {String} str
 * @return {Array}
 * @api private
 */

function props(str) {
  return str.replace(/\.\w+|\w+ *\(|"[^"]*"|'[^']*'|\/([^/]+)\//g, '').replace(globals, '').match(/[$a-zA-Z_]\w*/g) || [];
}

/**
 * Return `str` with `props` mapped with `fn`.
 *
 * @param {String} str
 * @param {Array} props
 * @param {Function} fn
 * @return {String}
 * @api private
 */

function map(str, props, fn) {
  var re = /\.\w+|\w+ *\(|"[^"]*"|'[^']*'|\/([^/]+)\/|[a-zA-Z_]\w*/g;
  return str.replace(re, function (_) {
    if ('(' == _[_.length - 1]) return fn(_);
    if (! ~props.indexOf(_)) return _;
    return fn(_);
  });
}

/**
 * Return unique array.
 *
 * @param {Array} arr
 * @return {Array}
 * @api private
 */

function unique(arr) {
  var ret = [];

  for (var i = 0; i < arr.length; i++) {
    if (~ret.indexOf(arr[i])) continue;
    ret.push(arr[i]);
  }

  return ret;
}

/**
 * Map with prefix `str`.
 */

function prefixed(str) {
  return function (_) {
    return str + _;
  };
}
}, {}],
19: [function(require, module, exports) {
"use strict";

module.exports = {
  removedProduct: /^[ _]?removed[ _]?product[ _]?$/i,
  viewedProduct: /^[ _]?viewed[ _]?product[ _]?$/i,
  viewedProductCategory: /^[ _]?viewed[ _]?product[ _]?category[ _]?$/i,
  addedProduct: /^[ _]?added[ _]?product[ _]?$/i,
  completedOrder: /^[ _]?completed[ _]?order[ _]?$/i,
  startedOrder: /^[ _]?started[ _]?order[ _]?$/i,
  updatedOrder: /^[ _]?updated[ _]?order[ _]?$/i,
  refundedOrder: /^[ _]?refunded?[ _]?order[ _]?$/i,
  viewedProductDetails: /^[ _]?viewed[ _]?product[ _]?details?[ _]?$/i,
  clickedProduct: /^[ _]?clicked[ _]?product[ _]?$/i,
  viewedPromotion: /^[ _]?viewed[ _]?promotion?[ _]?$/i,
  clickedPromotion: /^[ _]?clicked[ _]?promotion?[ _]?$/i,
  viewedCheckoutStep: /^[ _]?viewed[ _]?checkout[ _]?step[ _]?$/i,
  completedCheckoutStep: /^[ _]?completed[ _]?checkout[ _]?step[ _]?$/i
};
}, {}],
20: [function(require, module, exports) {

/**
 * toString.
 */

"use strict";

var toString = window.JSON ? JSON.stringify : function (_) {
  return String(_);
};

/**
 * Export `fmt`
 */

module.exports = fmt;

/**
 * Formatters
 */

fmt.o = toString;
fmt.s = String;
fmt.d = parseInt;

/**
 * Format the given `str`.
 *
 * @param {String} str
 * @param {...} args
 * @return {String}
 * @api public
 */

function fmt(str) {
  var args = [].slice.call(arguments, 1);
  var j = 0;

  return str.replace(/%([a-z])/gi, function (_, f) {
    return fmt[f] ? fmt[f](args[j++]) : _ + f;
  });
}
}, {}],
21: [function(require, module, exports) {
'use strict';

/**
 * Module dependencies.
 */

// XXX: Hacky fix for Duo not supporting scoped modules
var each;try {
  each = require('@ndhoule/each');
} catch (e) {
  each = require('each');
}

/**
 * Reduces all the values in a collection down into a single value. Does so by iterating through the
 * collection from left to right, repeatedly calling an `iterator` function and passing to it four
 * arguments: `(accumulator, value, index, collection)`.
 *
 * Returns the final return value of the `iterator` function.
 *
 * @name foldl
 * @api public
 * @param {Function} iterator The function to invoke per iteration.
 * @param {*} accumulator The initial accumulator value, passed to the first invocation of `iterator`.
 * @param {Array|Object} collection The collection to iterate over.
 * @return {*} The return value of the final call to `iterator`.
 * @example
 * foldl(function(total, n) {
 *   return total + n;
 * }, 0, [1, 2, 3]);
 * //=> 6
 *
 * var phonebook = { bob: '555-111-2345', tim: '655-222-6789', sheila: '655-333-1298' };
 *
 * foldl(function(results, phoneNumber) {
 *  if (phoneNumber[0] === '6') {
 *    return results.concat(phoneNumber);
 *  }
 *  return results;
 * }, [], phonebook);
 * // => ['655-222-6789', '655-333-1298']
 */

var foldl = function foldl(iterator, accumulator, collection) {
  if (typeof iterator !== 'function') {
    throw new TypeError('Expected a function but received a ' + typeof iterator);
  }

  each(function (val, i, collection) {
    accumulator = iterator(accumulator, val, i, collection);
  }, collection);

  return accumulator;
};

/**
 * Exports.
 */

module.exports = foldl;
}, {"each":32}],
32: [function(require, module, exports) {
'use strict';

/**
 * Module dependencies.
 */

// XXX: Hacky fix for Duo not supporting scoped modules
var keys;try {
  keys = require('@ndhoule/keys');
} catch (e) {
  keys = require('keys');
}

/**
 * Object.prototype.toString reference.
 */

var objToString = Object.prototype.toString;

/**
 * Tests if a value is a number.
 *
 * @name isNumber
 * @api private
 * @param {*} val The value to test.
 * @return {boolean} Returns `true` if `val` is a number, otherwise `false`.
 */

// TODO: Move to library
var isNumber = function isNumber(val) {
  var type = typeof val;
  return type === 'number' || type === 'object' && objToString.call(val) === '[object Number]';
};

/**
 * Tests if a value is an array.
 *
 * @name isArray
 * @api private
 * @param {*} val The value to test.
 * @return {boolean} Returns `true` if the value is an array, otherwise `false`.
 */

// TODO: Move to library
var isArray = typeof Array.isArray === 'function' ? Array.isArray : function isArray(val) {
  return objToString.call(val) === '[object Array]';
};

/**
 * Tests if a value is array-like. Array-like means the value is not a function and has a numeric
 * `.length` property.
 *
 * @name isArrayLike
 * @api private
 * @param {*} val
 * @return {boolean}
 */

// TODO: Move to library
var isArrayLike = function isArrayLike(val) {
  return val != null && (isArray(val) || val !== 'function' && isNumber(val.length));
};

/**
 * Internal implementation of `each`. Works on arrays and array-like data structures.
 *
 * @name arrayEach
 * @api private
 * @param {Function(value, key, collection)} iterator The function to invoke per iteration.
 * @param {Array} array The array(-like) structure to iterate over.
 * @return {undefined}
 */

var arrayEach = function arrayEach(iterator, array) {
  for (var i = 0; i < array.length; i += 1) {
    // Break iteration early if `iterator` returns `false`
    if (iterator(array[i], i, array) === false) {
      break;
    }
  }
};

/**
 * Internal implementation of `each`. Works on objects.
 *
 * @name baseEach
 * @api private
 * @param {Function(value, key, collection)} iterator The function to invoke per iteration.
 * @param {Object} object The object to iterate over.
 * @return {undefined}
 */

var baseEach = function baseEach(iterator, object) {
  var ks = keys(object);

  for (var i = 0; i < ks.length; i += 1) {
    // Break iteration early if `iterator` returns `false`
    if (iterator(object[ks[i]], ks[i], object) === false) {
      break;
    }
  }
};

/**
 * Iterate over an input collection, invoking an `iterator` function for each element in the
 * collection and passing to it three arguments: `(value, index, collection)`. The `iterator`
 * function can end iteration early by returning `false`.
 *
 * @name each
 * @api public
 * @param {Function(value, key, collection)} iterator The function to invoke per iteration.
 * @param {Array|Object|string} collection The collection to iterate over.
 * @return {undefined} Because `each` is run only for side effects, always returns `undefined`.
 * @example
 * var log = console.log.bind(console);
 *
 * each(log, ['a', 'b', 'c']);
 * //-> 'a', 0, ['a', 'b', 'c']
 * //-> 'b', 1, ['a', 'b', 'c']
 * //-> 'c', 2, ['a', 'b', 'c']
 * //=> undefined
 *
 * each(log, 'tim');
 * //-> 't', 2, 'tim'
 * //-> 'i', 1, 'tim'
 * //-> 'm', 0, 'tim'
 * //=> undefined
 *
 * // Note: Iteration order not guaranteed across environments
 * each(log, { name: 'tim', occupation: 'enchanter' });
 * //-> 'tim', 'name', { name: 'tim', occupation: 'enchanter' }
 * //-> 'enchanter', 'occupation', { name: 'tim', occupation: 'enchanter' }
 * //=> undefined
 */

var each = function each(iterator, collection) {
  return (isArrayLike(collection) ? arrayEach : baseEach).call(this, iterator, collection);
};

/**
 * Exports.
 */

module.exports = each;
}, {"keys":33}],
33: [function(require, module, exports) {
'use strict';

/**
 * charAt reference.
 */

var strCharAt = String.prototype.charAt;

/**
 * Returns the character at a given index.
 *
 * @param {string} str
 * @param {number} index
 * @return {string|undefined}
 */

// TODO: Move to a library
var charAt = function charAt(str, index) {
  return strCharAt.call(str, index);
};

/**
 * hasOwnProperty reference.
 */

var hop = Object.prototype.hasOwnProperty;

/**
 * Object.prototype.toString reference.
 */

var toStr = Object.prototype.toString;

/**
 * hasOwnProperty, wrapped as a function.
 *
 * @name has
 * @api private
 * @param {*} context
 * @param {string|number} prop
 * @return {boolean}
 */

// TODO: Move to a library
var has = function has(context, prop) {
  return hop.call(context, prop);
};

/**
 * Returns true if a value is a string, otherwise false.
 *
 * @name isString
 * @api private
 * @param {*} val
 * @return {boolean}
 */

// TODO: Move to a library
var isString = function isString(val) {
  return toStr.call(val) === '[object String]';
};

/**
 * Returns true if a value is array-like, otherwise false. Array-like means a
 * value is not null, undefined, or a function, and has a numeric `length`
 * property.
 *
 * @name isArrayLike
 * @api private
 * @param {*} val
 * @return {boolean}
 */

// TODO: Move to a library
var isArrayLike = function isArrayLike(val) {
  return val != null && typeof val !== 'function' && typeof val.length === 'number';
};

/**
 * indexKeys
 *
 * @name indexKeys
 * @api private
 * @param {} target
 * @param {} pred
 * @return {Array}
 */

var indexKeys = function indexKeys(target, pred) {
  pred = pred || has;
  var results = [];

  for (var i = 0, len = target.length; i < len; i += 1) {
    if (pred(target, i)) {
      results.push(String(i));
    }
  }

  return results;
};

/**
 * Returns an array of all the owned
 *
 * @name objectKeys
 * @api private
 * @param {*} target
 * @param {Function} pred Predicate function used to include/exclude values from
 * the resulting array.
 * @return {Array}
 */

var objectKeys = function objectKeys(target, pred) {
  pred = pred || has;
  var results = [];

  for (var key in target) {
    if (pred(target, key)) {
      results.push(String(key));
    }
  }

  return results;
};

/**
 * Creates an array composed of all keys on the input object. Ignores any non-enumerable properties.
 * More permissive than the native `Object.keys` function (non-objects will not throw errors).
 *
 * @name keys
 * @api public
 * @category Object
 * @param {Object} source The value to retrieve keys from.
 * @return {Array} An array containing all the input `source`'s keys.
 * @example
 * keys({ likes: 'avocado', hates: 'pineapple' });
 * //=> ['likes', 'pineapple'];
 *
 * // Ignores non-enumerable properties
 * var hasHiddenKey = { name: 'Tim' };
 * Object.defineProperty(hasHiddenKey, 'hidden', {
 *   value: 'i am not enumerable!',
 *   enumerable: false
 * })
 * keys(hasHiddenKey);
 * //=> ['name'];
 *
 * // Works on arrays
 * keys(['a', 'b', 'c']);
 * //=> ['0', '1', '2']
 *
 * // Skips unpopulated indices in sparse arrays
 * var arr = [1];
 * arr[4] = 4;
 * keys(arr);
 * //=> ['0', '4']
 */

module.exports = function keys(source) {
  if (source == null) {
    return [];
  }

  // IE6-8 compatibility (string)
  if (isString(source)) {
    return indexKeys(source, charAt);
  }

  // IE6-8 compatibility (arguments)
  if (isArrayLike(source)) {
    return indexKeys(source, has);
  }

  return objectKeys(source);
};
}, {}],
22: [function(require, module, exports) {

/**
 * Module dependencies.
 */

'use strict';

var onload = require('script-onload');
var tick = require('next-tick');
var type = require('type');

/**
 * Expose `loadScript`.
 *
 * @param {Object} options
 * @param {Function} fn
 * @api public
 */

module.exports = function loadIframe(options, fn) {
  if (!options) throw new Error('Cant load nothing...');

  // Allow for the simplest case, just passing a `src` string.
  if ('string' == type(options)) options = { src: options };

  var https = document.location.protocol === 'https:' || document.location.protocol === 'chrome-extension:';

  // If you use protocol relative URLs, third-party scripts like Google
  // Analytics break when testing with `file:` so this fixes that.
  if (options.src && options.src.indexOf('//') === 0) {
    options.src = https ? 'https:' + options.src : 'http:' + options.src;
  }

  // Allow them to pass in different URLs depending on the protocol.
  if (https && options.https) options.src = options.https;else if (!https && options.http) options.src = options.http;

  // Make the `<iframe>` element and insert it before the first iframe on the
  // page, which is guaranteed to exist since this Javaiframe is running.
  var iframe = document.createElement('iframe');
  iframe.src = options.src;
  iframe.width = options.width || 1;
  iframe.height = options.height || 1;
  iframe.style.display = 'none';

  // If we have a fn, attach event handlers, even in IE. Based off of
  // the Third-Party Javascript script loading example:
  // https://github.com/thirdpartyjs/thirdpartyjs-code/blob/master/examples/templates/02/loading-files/index.html
  if ('function' == type(fn)) {
    onload(iframe, fn);
  }

  tick(function () {
    // Append after event listeners are attached for IE.
    var firstScript = document.getElementsByTagName('script')[0];
    firstScript.parentNode.insertBefore(iframe, firstScript);
  });

  // Return the iframe element in case they want to do anything special, like
  // give it an ID or attributes.
  return iframe;
};
}, {"script-onload":34,"next-tick":25,"type":13}],
34: [function(require, module, exports) {

// https://github.com/thirdpartyjs/thirdpartyjs-code/blob/master/examples/templates/02/loading-files/index.html

/**
 * Invoke `fn(err)` when the given `el` script loads.
 *
 * @param {Element} el
 * @param {Function} fn
 * @api public
 */

'use strict';

module.exports = function (el, fn) {
  return el.addEventListener ? add(el, fn) : attach(el, fn);
};

/**
 * Add event listener to `el`, `fn()`.
 *
 * @param {Element} el
 * @param {Function} fn
 * @api private
 */

function add(el, fn) {
  el.addEventListener('load', function (_, e) {
    fn(null, e);
  }, false);
  el.addEventListener('error', function (e) {
    var err = new Error('script error "' + el.src + '"');
    err.event = e;
    fn(err);
  }, false);
}

/**
 * Attach event.
 *
 * @param {Element} el
 * @param {Function} fn
 * @api private
 */

function attach(el, fn) {
  el.attachEvent('onreadystatechange', function (e) {
    if (!/complete|loaded/.test(el.readyState)) return;
    fn(null, e);
  });
  el.attachEvent('onerror', function (e) {
    var err = new Error('failed to load the script "' + el.src + '"');
    err.event = e || window.event;
    fn(err);
  });
}
}, {}],
25: [function(require, module, exports) {
"use strict";

if (typeof setImmediate == 'function') {
  module.exports = function (f) {
    setImmediate(f);
  };
}
// legacy node.js
else if (typeof process != 'undefined' && typeof process.nextTick == 'function') {
    module.exports = process.nextTick;
  }
  // fallback for other environments / postMessage behaves badly on IE8
  else if (typeof window == 'undefined' || window.ActiveXObject || !window.postMessage) {
      module.exports = function (f) {
        setTimeout(f);
      };
    } else {
      var q = [];

      window.addEventListener('message', function () {
        var i = 0;
        while (i < q.length) {
          try {
            q[i++]();
          } catch (e) {
            q = q.slice(i);
            window.postMessage('tic!', '*');
            throw e;
          }
        }
        q.length = 0;
      }, true);

      module.exports = function (fn) {
        if (!q.length) window.postMessage('tic!', '*');
        q.push(fn);
      };
    }
}, {}],
23: [function(require, module, exports) {

/**
 * Module dependencies.
 */

'use strict';

var onload = require('script-onload');
var tick = require('next-tick');
var type = require('type');

/**
 * Expose `loadScript`.
 *
 * @param {Object} options
 * @param {Function} fn
 * @api public
 */

module.exports = function loadScript(options, fn) {
  if (!options) throw new Error('Cant load nothing...');

  // Allow for the simplest case, just passing a `src` string.
  if ('string' == type(options)) options = { src: options };

  var https = document.location.protocol === 'https:' || document.location.protocol === 'chrome-extension:';

  // If you use protocol relative URLs, third-party scripts like Google
  // Analytics break when testing with `file:` so this fixes that.
  if (options.src && options.src.indexOf('//') === 0) {
    options.src = https ? 'https:' + options.src : 'http:' + options.src;
  }

  // Allow them to pass in different URLs depending on the protocol.
  if (https && options.https) options.src = options.https;else if (!https && options.http) options.src = options.http;

  // Make the `<script>` element and insert it before the first script on the
  // page, which is guaranteed to exist since this Javascript is running.
  var script = document.createElement('script');
  script.type = 'text/javascript';
  script.async = true;
  script.src = options.src;

  // If we have a fn, attach event handlers, even in IE. Based off of
  // the Third-Party Javascript script loading example:
  // https://github.com/thirdpartyjs/thirdpartyjs-code/blob/master/examples/templates/02/loading-files/index.html
  if ('function' == type(fn)) {
    onload(script, fn);
  }

  tick(function () {
    // Append after event listeners are attached for IE.
    var firstScript = document.getElementsByTagName('script')[0];
    firstScript.parentNode.insertBefore(script, firstScript);
  });

  // Return the script element in case they want to do anything special, like
  // give it an ID or attributes.
  return script;
};
}, {"script-onload":34,"next-tick":25,"type":13}],
24: [function(require, module, exports) {

/**
 * Expose `toNoCase`.
 */

'use strict';

module.exports = toNoCase;

/**
 * Test whether a string is camel-case.
 */

var hasSpace = /\s/;
var hasSeparator = /[\W_]/;

/**
 * Remove any starting case from a `string`, like camel or snake, but keep
 * spaces and punctuation that may be important otherwise.
 *
 * @param {String} string
 * @return {String}
 */

function toNoCase(string) {
  if (hasSpace.test(string)) return string.toLowerCase();
  if (hasSeparator.test(string)) return unseparate(string).toLowerCase();
  return uncamelize(string).toLowerCase();
}

/**
 * Separator splitter.
 */

var separatorSplitter = /[\W_]+(.|$)/g;

/**
 * Un-separate a `string`.
 *
 * @param {String} string
 * @return {String}
 */

function unseparate(string) {
  return string.replace(separatorSplitter, function (m, next) {
    return next ? ' ' + next : '';
  });
}

/**
 * Camelcase splitter.
 */

var camelSplitter = /(.)([A-Z]+)/g;

/**
 * Un-camelcase a `string`.
 *
 * @param {String} string
 * @return {String}
 */

function uncamelize(string) {
  return string.replace(camelSplitter, function (m, previous, uppers) {
    return previous + ' ' + uppers.toLowerCase().split('').join(' ');
  });
}
}, {}],
26: [function(require, module, exports) {
'use strict';

/**
 * Module dependencies.
 */

// FIXME: Hacky workaround for Duo
var each;try {
  each = require('@ndhoule/each');
} catch (e) {
  each = require('each');
}

/**
 * Check if a predicate function returns `true` for all values in a `collection`.
 * Checks owned, enumerable values and exits early when `predicate` returns
 * `false`.
 *
 * @name every
 * @param {Function} predicate The function used to test values.
 * @param {Array|Object|string} collection The collection to search.
 * @return {boolean} True if all values passes the predicate test, otherwise false.
 * @example
 * var isEven = function(num) { return num % 2 === 0; };
 *
 * every(isEven, []); // => true
 * every(isEven, [1, 2]); // => false
 * every(isEven, [2, 4, 6]); // => true
 */

var every = function every(predicate, collection) {
  if (typeof predicate !== 'function') {
    throw new TypeError('`predicate` must be a function but was a ' + typeof predicate);
  }

  var result = true;

  each(function (val, key, collection) {
    result = !!predicate(val, key, collection);

    // Exit early
    if (!result) {
      return false;
    }
  }, collection);

  return result;
};

/**
 * Exports.
 */

module.exports = every;
}, {"each":32}],
27: [function(require, module, exports) {
'use strict';

var isEmpty = require('is-empty');

try {
  var typeOf = require('type');
} catch (e) {
  var typeOf = require('component-type');
}

/**
 * Types.
 */

var types = ['arguments', 'array', 'boolean', 'date', 'element', 'function', 'null', 'number', 'object', 'regexp', 'string', 'undefined'];

/**
 * Expose type checkers.
 *
 * @param {Mixed} value
 * @return {Boolean}
 */

for (var i = 0, type; type = types[i]; i++) exports[type] = generate(type);

/**
 * Add alias for `function` for old browsers.
 */

exports.fn = exports['function'];

/**
 * Expose `empty` check.
 */

exports.empty = isEmpty;

/**
 * Expose `nan` check.
 */

exports.nan = function (val) {
  return exports.number(val) && val != val;
};

/**
 * Generate a type checker.
 *
 * @param {String} type
 * @return {Function}
 */

function generate(type) {
  return function (value) {
    return type === typeOf(value);
  };
}
}, {"is-empty":35,"type":13,"component-type":13}],
35: [function(require, module, exports) {

/**
 * Expose `isEmpty`.
 */

'use strict';

module.exports = isEmpty;

/**
 * Has.
 */

var has = Object.prototype.hasOwnProperty;

/**
 * Test whether a value is "empty".
 *
 * @param {Mixed} val
 * @return {Boolean}
 */

function isEmpty(val) {
  if (null == val) return true;
  if ('boolean' == typeof val) return false;
  if ('number' == typeof val) return 0 === val;
  if (undefined !== val.length) return 0 === val.length;
  for (var key in val) if (has.call(val, key)) return false;
  return true;
}
}, {}],
10: [function(require, module, exports) {

/**
 * Module dependencies.
 */

'use strict';

var Emitter = require('emitter');
var domify = require('domify');
var each = require('each');
var includes = require('includes');

/**
 * Mix in emitter.
 */

/* eslint-disable new-cap */
Emitter(exports);
/* eslint-enable new-cap */

/**
 * Add a new option to the integration by `key` with default `value`.
 *
 * @api public
 * @param {string} key
 * @param {*} value
 * @return {Integration}
 */

exports.option = function (key, value) {
  this.prototype.defaults[key] = value;
  return this;
};

/**
 * Add a new mapping option.
 *
 * This will create a method `name` that will return a mapping for you to use.
 *
 * @api public
 * @param {string} name
 * @return {Integration}
 * @example
 * Integration('My Integration')
 *   .mapping('events');
 *
 * new MyIntegration().track('My Event');
 *
 * .track = function(track){
 *   var events = this.events(track.event());
 *   each(events, send);
 *  };
 */

exports.mapping = function (name) {
  this.option(name, []);
  this.prototype[name] = function (key) {
    return this.map(this.options[name], key);
  };
  return this;
};

/**
 * Register a new global variable `key` owned by the integration, which will be
 * used to test whether the integration is already on the page.
 *
 * @api public
 * @param {string} key
 * @return {Integration}
 */

exports.global = function (key) {
  this.prototype.globals.push(key);
  return this;
};

/**
 * Mark the integration as assuming an initial pageview, so to defer loading
 * the script until the first `page` call, noop the first `initialize`.
 *
 * @api public
 * @return {Integration}
 */

exports.assumesPageview = function () {
  this.prototype._assumesPageview = true;
  return this;
};

/**
 * Mark the integration as being "ready" once `load` is called.
 *
 * @api public
 * @return {Integration}
 */

exports.readyOnLoad = function () {
  this.prototype._readyOnLoad = true;
  return this;
};

/**
 * Mark the integration as being "ready" once `initialize` is called.
 *
 * @api public
 * @return {Integration}
 */

exports.readyOnInitialize = function () {
  this.prototype._readyOnInitialize = true;
  return this;
};

/**
 * Define a tag to be loaded.
 *
 * @api public
 * @param {string} [name='library'] A nicename for the tag, commonly used in
 * #load. Helpful when the integration has multiple tags and you need a way to
 * specify which of the tags you want to load at a given time.
 * @param {String} str DOM tag as string or URL.
 * @return {Integration}
 */

exports.tag = function (name, tag) {
  if (tag == null) {
    tag = name;
    name = 'library';
  }
  this.prototype.templates[name] = objectify(tag);
  return this;
};

/**
 * Given a string, give back DOM attributes.
 *
 * Do it in a way where the browser doesn't load images or iframes. It turns
 * out domify will load images/iframes because whenever you construct those
 * DOM elements, the browser immediately loads them.
 *
 * @api private
 * @param {string} str
 * @return {Object}
 */

function objectify(str) {
  // replace `src` with `data-src` to prevent image loading
  str = str.replace(' src="', ' data-src="');

  var el = domify(str);
  var attrs = {};

  each(el.attributes, function (attr) {
    // then replace it back
    var name = attr.name === 'data-src' ? 'src' : attr.name;
    if (!includes(attr.name + '=', str)) return;
    attrs[name] = attr.value;
  });

  return {
    type: el.tagName.toLowerCase(),
    attrs: attrs
  };
}
}, {"emitter":16,"domify":36,"each":18,"includes":37}],
36: [function(require, module, exports) {

/**
 * Expose `parse`.
 */

'use strict';

module.exports = parse;

/**
 * Tests for browser support.
 */

var div = document.createElement('div');
// Setup
div.innerHTML = '  <link/><table></table><a href="/a">a</a><input type="checkbox"/>';
// Make sure that link elements get serialized correctly by innerHTML
// This requires a wrapper element in IE
var innerHTMLBug = !div.getElementsByTagName('link').length;
div = undefined;

/**
 * Wrap map from jquery.
 */

var map = {
  legend: [1, '<fieldset>', '</fieldset>'],
  tr: [2, '<table><tbody>', '</tbody></table>'],
  col: [2, '<table><tbody></tbody><colgroup>', '</colgroup></table>'],
  // for script/link/style tags to work in IE6-8, you have to wrap
  // in a div with a non-whitespace character in front, ha!
  _default: innerHTMLBug ? [1, 'X<div>', '</div>'] : [0, '', '']
};

map.td = map.th = [3, '<table><tbody><tr>', '</tr></tbody></table>'];

map.option = map.optgroup = [1, '<select multiple="multiple">', '</select>'];

map.thead = map.tbody = map.colgroup = map.caption = map.tfoot = [1, '<table>', '</table>'];

map.polyline = map.ellipse = map.polygon = map.circle = map.text = map.line = map.path = map.rect = map.g = [1, '<svg xmlns="http://www.w3.org/2000/svg" version="1.1">', '</svg>'];

/**
 * Parse `html` and return a DOM Node instance, which could be a TextNode,
 * HTML DOM Node of some kind (<div> for example), or a DocumentFragment
 * instance, depending on the contents of the `html` string.
 *
 * @param {String} html - HTML string to "domify"
 * @param {Document} doc - The `document` instance to create the Node for
 * @return {DOMNode} the TextNode, DOM Node, or DocumentFragment instance
 * @api private
 */

function parse(html, doc) {
  if ('string' != typeof html) throw new TypeError('String expected');

  // default to the global `document` object
  if (!doc) doc = document;

  // tag name
  var m = /<([\w:]+)/.exec(html);
  if (!m) return doc.createTextNode(html);

  html = html.replace(/^\s+|\s+$/g, ''); // Remove leading/trailing whitespace

  var tag = m[1];

  // body support
  if (tag == 'body') {
    var el = doc.createElement('html');
    el.innerHTML = html;
    return el.removeChild(el.lastChild);
  }

  // wrap map
  var wrap = map[tag] || map._default;
  var depth = wrap[0];
  var prefix = wrap[1];
  var suffix = wrap[2];
  var el = doc.createElement('div');
  el.innerHTML = prefix + html + suffix;
  while (depth--) el = el.lastChild;

  // one element
  if (el.firstChild == el.lastChild) {
    return el.removeChild(el.firstChild);
  }

  // several elements
  var fragment = doc.createDocumentFragment();
  while (el.firstChild) {
    fragment.appendChild(el.removeChild(el.firstChild));
  }

  return fragment;
}
}, {}],
37: [function(require, module, exports) {
'use strict';

/**
 * Module dependencies.
 */

// XXX: Hacky fix for duo not supporting scoped npm packages
var each;try {
  each = require('@ndhoule/each');
} catch (e) {
  each = require('each');
}

/**
 * String#indexOf reference.
 */

var strIndexOf = String.prototype.indexOf;

/**
 * Object.is/sameValueZero polyfill.
 *
 * @api private
 * @param {*} value1
 * @param {*} value2
 * @return {boolean}
 */

// TODO: Move to library
var sameValueZero = function sameValueZero(value1, value2) {
  // Normal values and check for 0 / -0
  if (value1 === value2) {
    return value1 !== 0 || 1 / value1 === 1 / value2;
  }
  // NaN
  return value1 !== value1 && value2 !== value2;
};

/**
 * Searches a given `collection` for a value, returning true if the collection
 * contains the value and false otherwise. Can search strings, arrays, and
 * objects.
 *
 * @name includes
 * @api public
 * @param {*} searchElement The element to search for.
 * @param {Object|Array|string} collection The collection to search.
 * @return {boolean}
 * @example
 * includes(2, [1, 2, 3]);
 * //=> true
 *
 * includes(4, [1, 2, 3]);
 * //=> false
 *
 * includes(2, { a: 1, b: 2, c: 3 });
 * //=> true
 *
 * includes('a', { a: 1, b: 2, c: 3 });
 * //=> false
 *
 * includes('abc', 'xyzabc opq');
 * //=> true
 *
 * includes('nope', 'xyzabc opq');
 * //=> false
 */
var includes = function includes(searchElement, collection) {
  var found = false;

  // Delegate to String.prototype.indexOf when `collection` is a string
  if (typeof collection === 'string') {
    return strIndexOf.call(collection, searchElement) !== -1;
  }

  // Iterate through enumerable/own array elements and object properties.
  each(function (value) {
    if (sameValueZero(value, searchElement)) {
      found = true;
      // Exit iteration early when found
      return false;
    }
  }, collection);

  return found;
};

/**
 * Exports.
 */

module.exports = includes;
}, {"each":32}]}, {}, {"1":""})