{I"
class:ETI"ProcessedAsset; FI"logical_path; TI"turbolinks.js; FI"pathname; TI"l/home/lukas/.rvm/gems/ruby-2.0.0-p247/gems/turbolinks-2.1.0/lib/assets/javascripts/turbolinks.js.coffee; FI"content_type; TI"application/javascript; TI"
mtime; Tl+R ¾RI"length; Ti_;I"digest; TI"%a2db597118afe08356ab04feb0c0d5d2; FI"source; TI"_;(function() {
  var CSRFToken, allowLinkExtensions, anchoredLink, browserCompatibleDocumentParser, browserIsntBuggy, browserSupportsCustomEvents, browserSupportsPushState, browserSupportsTurbolinks, cacheCurrentPage, cacheSize, changePage, constrainPageCacheTo, createDocument, crossOriginLink, currentState, executeScriptTags, extractLink, extractTitleAndBody, fetchHistory, fetchReplacement, handleClick, historyStateIsDefined, htmlExtensions, ignoreClick, initializeTurbolinks, installClickHandlerLast, installDocumentReadyPageEventTriggers, installHistoryChangeHandler, installJqueryAjaxSuccessPageUpdateTrigger, loadedAssets, noTurbolink, nonHtmlLink, nonStandardClick, pageCache, pageChangePrevented, pagesCached, popCookie, processResponse, recallScrollPosition, referer, reflectNewUrl, reflectRedirectedUrl, rememberCurrentState, rememberCurrentUrl, rememberReferer, removeHash, removeHashForIE10compatiblity, removeNoscriptTags, requestMethodIsSafe, resetScrollPosition, targetLink, triggerEvent, visit, xhr, _ref,
    __hasProp = {}.hasOwnProperty,
    __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; },
    __slice = [].slice;

  pageCache = {};

  cacheSize = 10;

  currentState = null;

  loadedAssets = null;

  htmlExtensions = ['html'];

  referer = null;

  createDocument = null;

  xhr = null;

  fetchReplacement = function(url) {
    rememberReferer();
    cacheCurrentPage();
    triggerEvent('page:fetch', {
      url: url
    });
    if (xhr != null) {
      xhr.abort();
    }
    xhr = new XMLHttpRequest;
    xhr.open('GET', removeHashForIE10compatiblity(url), true);
    xhr.setRequestHeader('Accept', 'text/html, application/xhtml+xml, application/xml');
    xhr.setRequestHeader('X-XHR-Referer', referer);
    xhr.onload = function() {
      var doc;
      triggerEvent('page:receive');
      if (doc = processResponse()) {
        reflectNewUrl(url);
        changePage.apply(null, extractTitleAndBody(doc));
        reflectRedirectedUrl();
        resetScrollPosition();
        return triggerEvent('page:load');
      } else {
        return document.location.href = url;
      }
    };
    xhr.onloadend = function() {
      return xhr = null;
    };
    xhr.onabort = function() {
      return rememberCurrentUrl();
    };
    xhr.onerror = function() {
      return document.location.href = url;
    };
    return xhr.send();
  };

  fetchHistory = function(cachedPage) {
    cacheCurrentPage();
    if (xhr != null) {
      xhr.abort();
    }
    changePage(cachedPage.title, cachedPage.body);
    recallScrollPosition(cachedPage);
    return triggerEvent('page:restore');
  };

  cacheCurrentPage = function() {
    pageCache[currentState.position] = {
      url: document.location.href,
      body: document.body,
      title: document.title,
      positionY: window.pageYOffset,
      positionX: window.pageXOffset
    };
    return constrainPageCacheTo(cacheSize);
  };

  pagesCached = function(size) {
    if (size == null) {
      size = cacheSize;
    }
    if (/^[\d]+$/.test(size)) {
      return cacheSize = parseInt(size);
    }
  };

  constrainPageCacheTo = function(limit) {
    var key, value;
    for (key in pageCache) {
      if (!__hasProp.call(pageCache, key)) continue;
      value = pageCache[key];
      if (!(key <= currentState.position - limit)) {
        continue;
      }
      triggerEvent('page:expire', pageCache[key]);
      pageCache[key] = null;
    }
  };

  changePage = function(title, body, csrfToken, runScripts) {
    document.title = title;
    document.documentElement.replaceChild(body, document.body);
    if (csrfToken != null) {
      CSRFToken.update(csrfToken);
    }
    if (runScripts) {
      executeScriptTags();
    }
    currentState = window.history.state;
    triggerEvent('page:change');
    return triggerEvent('page:update');
  };

  executeScriptTags = function() {
    var attr, copy, nextSibling, parentNode, script, scripts, _i, _j, _len, _len1, _ref, _ref1;
    scripts = Array.prototype.slice.call(document.body.querySelectorAll('script:not([data-turbolinks-eval="false"])'));
    for (_i = 0, _len = scripts.length; _i < _len; _i++) {
      script = scripts[_i];
      if (!((_ref = script.type) === '' || _ref === 'text/javascript')) {
        continue;
      }
      copy = document.createElement('script');
      _ref1 = script.attributes;
      for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
        attr = _ref1[_j];
        copy.setAttribute(attr.name, attr.value);
      }
      copy.appendChild(document.createTextNode(script.innerHTML));
      parentNode = script.parentNode, nextSibling = script.nextSibling;
      parentNode.removeChild(script);
      parentNode.insertBefore(copy, nextSibling);
    }
  };

  removeNoscriptTags = function(node) {
    node.innerHTML = node.innerHTML.replace(/<noscript[\S\s]*?<\/noscript>/ig, '');
    return node;
  };

  reflectNewUrl = function(url) {
    if (url !== referer) {
      return window.history.pushState({
        turbolinks: true,
        position: currentState.position + 1
      }, '', url);
    }
  };

  reflectRedirectedUrl = function() {
    var location, preservedHash;
    if (location = xhr.getResponseHeader('X-XHR-Redirected-To')) {
      preservedHash = removeHash(location) === location ? document.location.hash : '';
      return window.history.replaceState(currentState, '', location + preservedHash);
    }
  };

  rememberReferer = function() {
    return referer = document.location.href;
  };

  rememberCurrentUrl = function() {
    return window.history.replaceState({
      turbolinks: true,
      position: Date.now()
    }, '', document.location.href);
  };

  rememberCurrentState = function() {
    return currentState = window.history.state;
  };

  recallScrollPosition = function(page) {
    return window.scrollTo(page.positionX, page.positionY);
  };

  resetScrollPosition = function() {
    if (document.location.hash) {
      return document.location.href = document.location.href;
    } else {
      return window.scrollTo(0, 0);
    }
  };

  removeHashForIE10compatiblity = function(url) {
    return removeHash(url);
  };

  removeHash = function(url) {
    var link;
    link = url;
    if (url.href == null) {
      link = document.createElement('A');
      link.href = url;
    }
    return link.href.replace(link.hash, '');
  };

  popCookie = function(name) {
    var value, _ref;
    value = ((_ref = document.cookie.match(new RegExp(name + "=(\\w+)"))) != null ? _ref[1].toUpperCase() : void 0) || '';
    document.cookie = name + '=; expires=Thu, 01-Jan-70 00:00:01 GMT; path=/';
    return value;
  };

  triggerEvent = function(name, data) {
    var event;
    event = document.createEvent('Events');
    if (data) {
      event.data = data;
    }
    event.initEvent(name, true, true);
    return document.dispatchEvent(event);
  };

  pageChangePrevented = function() {
    return !triggerEvent('page:before-change');
  };

  processResponse = function() {
    var assetsChanged, clientOrServerError, doc, extractTrackAssets, intersection, validContent;
    clientOrServerError = function() {
      var _ref;
      return (400 <= (_ref = xhr.status) && _ref < 600);
    };
    validContent = function() {
      return xhr.getResponseHeader('Content-Type').match(/^(?:text\/html|application\/xhtml\+xml|application\/xml)(?:;|$)/);
    };
    extractTrackAssets = function(doc) {
      var node, _i, _len, _ref, _results;
      _ref = doc.head.childNodes;
      _results = [];
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        node = _ref[_i];
        if ((typeof node.getAttribute === "function" ? node.getAttribute('data-turbolinks-track') : void 0) != null) {
          _results.push(node.getAttribute('src') || node.getAttribute('href'));
        }
      }
      return _results;
    };
    assetsChanged = function(doc) {
      var fetchedAssets;
      loadedAssets || (loadedAssets = extractTrackAssets(document));
      fetchedAssets = extractTrackAssets(doc);
      return fetchedAssets.length !== loadedAssets.length || intersection(fetchedAssets, loadedAssets).length !== loadedAssets.length;
    };
    intersection = function(a, b) {
      var value, _i, _len, _ref, _results;
      if (a.length > b.length) {
        _ref = [b, a], a = _ref[0], b = _ref[1];
      }
      _results = [];
      for (_i = 0, _len = a.length; _i < _len; _i++) {
        value = a[_i];
        if (__indexOf.call(b, value) >= 0) {
          _results.push(value);
        }
      }
      return _results;
    };
    if (!clientOrServerError() && validContent()) {
      doc = createDocument(xhr.responseText);
      if (doc && !assetsChanged(doc)) {
        return doc;
      }
    }
  };

  extractTitleAndBody = function(doc) {
    var title;
    title = doc.querySelector('title');
    return [title != null ? title.textContent : void 0, removeNoscriptTags(doc.body), CSRFToken.get(doc).token, 'runScripts'];
  };

  CSRFToken = {
    get: function(doc) {
      var tag;
      if (doc == null) {
        doc = document;
      }
      return {
        node: tag = doc.querySelector('meta[name="csrf-token"]'),
        token: tag != null ? typeof tag.getAttribute === "function" ? tag.getAttribute('content') : void 0 : void 0
      };
    },
    update: function(latest) {
      var current;
      current = this.get();
      if ((current.token != null) && (latest != null) && current.token !== latest) {
        return current.node.setAttribute('content', latest);
      }
    }
  };

  browserCompatibleDocumentParser = function() {
    var createDocumentUsingDOM, createDocumentUsingParser, createDocumentUsingWrite, e, testDoc, _ref;
    createDocumentUsingParser = function(html) {
      return (new DOMParser).parseFromString(html, 'text/html');
    };
    createDocumentUsingDOM = function(html) {
      var doc;
      doc = document.implementation.createHTMLDocument('');
      doc.documentElement.innerHTML = html;
      return doc;
    };
    createDocumentUsingWrite = function(html) {
      var doc;
      doc = document.implementation.createHTMLDocument('');
      doc.open('replace');
      doc.write(html);
      doc.close();
      return doc;
    };
    try {
      if (window.DOMParser) {
        testDoc = createDocumentUsingParser('<html><body><p>test');
        return createDocumentUsingParser;
      }
    } catch (_error) {
      e = _error;
      testDoc = createDocumentUsingDOM('<html><body><p>test');
      return createDocumentUsingDOM;
    } finally {
      if ((testDoc != null ? (_ref = testDoc.body) != null ? _ref.childNodes.length : void 0 : void 0) !== 1) {
        return createDocumentUsingWrite;
      }
    }
  };

  installClickHandlerLast = function(event) {
    if (!event.defaultPrevented) {
      document.removeEventListener('click', handleClick, false);
      return document.addEventListener('click', handleClick, false);
    }
  };

  handleClick = function(event) {
    var link;
    if (!event.defaultPrevented) {
      link = extractLink(event);
      if (link.nodeName === 'A' && !ignoreClick(event, link)) {
        if (!pageChangePrevented()) {
          visit(link.href);
        }
        return event.preventDefault();
      }
    }
  };

  extractLink = function(event) {
    var link;
    link = event.target;
    while (!(!link.parentNode || link.nodeName === 'A')) {
      link = link.parentNode;
    }
    return link;
  };

  crossOriginLink = function(link) {
    return location.protocol !== link.protocol || location.host !== link.host;
  };

  anchoredLink = function(link) {
    return ((link.hash && removeHash(link)) === removeHash(location)) || (link.href === location.href + '#');
  };

  nonHtmlLink = function(link) {
    var url;
    url = removeHash(link);
    return url.match(/\.[a-z]+(\?.*)?$/g) && !url.match(new RegExp("\\.(?:" + (htmlExtensions.join('|')) + ")?(\\?.*)?$", 'g'));
  };

  noTurbolink = function(link) {
    var ignore;
    while (!(ignore || link === document)) {
      ignore = link.getAttribute('data-no-turbolink') != null;
      link = link.parentNode;
    }
    return ignore;
  };

  targetLink = function(link) {
    return link.target.length !== 0;
  };

  nonStandardClick = function(event) {
    return event.which > 1 || event.metaKey || event.ctrlKey || event.shiftKey || event.altKey;
  };

  ignoreClick = function(event, link) {
    return crossOriginLink(link) || anchoredLink(link) || nonHtmlLink(link) || noTurbolink(link) || targetLink(link) || nonStandardClick(event);
  };

  allowLinkExtensions = function() {
    var extension, extensions, _i, _len;
    extensions = 1 <= arguments.length ? __slice.call(arguments, 0) : [];
    for (_i = 0, _len = extensions.length; _i < _len; _i++) {
      extension = extensions[_i];
      htmlExtensions.push(extension);
    }
    return htmlExtensions;
  };

  installDocumentReadyPageEventTriggers = function() {
    return document.addEventListener('DOMContentLoaded', (function() {
      triggerEvent('page:change');
      return triggerEvent('page:update');
    }), true);
  };

  installJqueryAjaxSuccessPageUpdateTrigger = function() {
    if (typeof jQuery !== 'undefined') {
      return jQuery(document).on('ajaxSuccess', function(event, xhr, settings) {
        if (!jQuery.trim(xhr.responseText)) {
          return;
        }
        return triggerEvent('page:update');
      });
    }
  };

  installHistoryChangeHandler = function(event) {
    var cachedPage, _ref;
    if ((_ref = event.state) != null ? _ref.turbolinks : void 0) {
      if (cachedPage = pageCache[event.state.position]) {
        return fetchHistory(cachedPage);
      } else {
        return visit(event.target.location.href);
      }
    }
  };

  initializeTurbolinks = function() {
    rememberCurrentUrl();
    rememberCurrentState();
    createDocument = browserCompatibleDocumentParser();
    document.addEventListener('click', installClickHandlerLast, true);
    return window.addEventListener('popstate', installHistoryChangeHandler, false);
  };

  historyStateIsDefined = window.history.state !== void 0 || navigator.userAgent.match(/Firefox\/26/);

  browserSupportsPushState = window.history && window.history.pushState && window.history.replaceState && historyStateIsDefined;

  browserIsntBuggy = !navigator.userAgent.match(/CriOS\//);

  requestMethodIsSafe = (_ref = popCookie('request_method')) === 'GET' || _ref === '';

  browserSupportsTurbolinks = browserSupportsPushState && browserIsntBuggy && requestMethodIsSafe;

  browserSupportsCustomEvents = document.addEventListener && document.createEvent;

  if (browserSupportsCustomEvents) {
    installDocumentReadyPageEventTriggers();
    installJqueryAjaxSuccessPageUpdateTrigger();
  }

  if (browserSupportsTurbolinks) {
    visit = fetchReplacement;
    initializeTurbolinks();
  } else {
    visit = function(url) {
      return document.location.href = url;
    };
  }

  this.Turbolinks = {
    visit: visit,
    pagesCached: pagesCached,
    allowLinkExtensions: allowLinkExtensions,
    supported: browserSupportsTurbolinks
  };

}).call(this);
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