text: (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
  function ScrollSpy (wrapper, opt) {
  
    this.doc = document;
    this.wrapper = (typeof wrapper === 'string') ? this.doc.querySelector(wrapper) : wrapper;
    this.nav = this.wrapper.querySelectorAll(opt.nav);
  
    this.contents = [];
    this.win = window;
  
    this.winH = this.win.innerHeight;
  
    this.className = opt.className;
  
    this.callback = opt.callback;
  
    this.init();
  }
  
  ScrollSpy.prototype.init = function () {
    this.contents = this.getContents();
    this.attachEvent();
  };
  
  ScrollSpy.prototype.getContents = function () {
    var targetList = [];
  
    for (var i = 0, max = this.nav.length; i < max; i++) {
      var href = this.nav[i].href;
  
      targetList.push(this.doc.getElementById(href.split('#')[1]));
    }
  
    return targetList;
  };
  
  ScrollSpy.prototype.attachEvent = function () {
    this.win.addEventListener('load', (function () {
      this.spy(this.callback);
    }).bind(this));
  
  
    var scrollingTimer;
  
    this.win.addEventListener('scroll', (function () {
      if (scrollingTimer) {
        clearTimeout(scrollingTimer);
      }
  
      var _this = this;
  
      scrollingTimer = setTimeout(function () {
        _this.spy(_this.callback);
      }, 10);
    }).bind(this));
  
  
    var resizingTimer;
  
    this.win.addEventListener('resize', (function () {
      if (resizingTimer) {
        clearTimeout(resizingTimer);
      }
  
      var _this = this;
  
      resizingTimer = setTimeout(function () {
        _this.spy(_this.callback);
      }, 10);
    }).bind(this));
  };
  
  ScrollSpy.prototype.spy = function (cb) {
    var elems = this.getElemsViewState();
  
    this.markNav(elems);
  
    if (typeof cb === 'function') {
      cb(elems);
    }
  };
  
  ScrollSpy.prototype.getElemsViewState = function () {
    var elemsInView = [],
      elemsOutView = [],
      viewStatusList = [];
  
    for (var i = 0, max = this.contents.length; i < max; i++) {
      var currentContent = this.contents[i],
        isInView = this.isInView(currentContent);
  
      if (isInView) {
        elemsInView.push(currentContent);
      } else {
        elemsOutView.push(currentContent);
      }
      viewStatusList.push(isInView);
    }
  
    return {
      inView: elemsInView,
      outView: elemsOutView,
      viewStatusList: viewStatusList
    };
  };
  
  ScrollSpy.prototype.isInView = function (el) {
    var winH = this.winH,
      scrollTop = this.doc.documentElement.scrollTop || this.doc.body.scrollTop,
      scrollBottom = scrollTop + winH,
      elTop = el.offsetTop,
      elBottom = elTop + el.offsetHeight;
  
    return (elTop < scrollBottom) && (elBottom > scrollTop);
  };
  
  ScrollSpy.prototype.markNav = function (elems) {
    var navItems = this.nav,
      isAlreadyMarked = false;
  
    for (var i = 0, max = navItems.length; i < max; i++) {
      if (elems.viewStatusList[i] && !isAlreadyMarked) {
        isAlreadyMarked = true;
        navItems[i].classList.add(this.className);
      } else {
        navItems[i].classList.remove(this.className);
      }
    }
  };
  
  
  module.exports = ScrollSpy;
  
  },{}],2:[function(require,module,exports){
  (function (global){
  /**
   * ScrollSpy
   *
   */
  
  var ScrollSpy = require('./modules/scrollspy');
  
  global.ScrollSpy = module.exports = ScrollSpy;
  
  }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
  },{"./modules/scrollspy":1}]},{},[2]);
  