Full Code of skygear-demo/skypad for AI

Repository: skygear-demo/skypad
Branch: master
Commit: db4395b1384c
Files: 9
Total size: 50.1 KB

Directory structure:
gitextract_u424tpcz/

├── LICENSE
├── README.md
├── app.css
├── app.js
├── index.html
└── vendor/
    ├── codeflask/
    │   ├── codeflask.css
    │   └── codeflask.js
    └── prism/
        ├── prism.css
        └── prism.js

================================================
FILE CONTENTS
================================================

================================================
FILE: LICENSE
================================================
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================================================
FILE: README.md
================================================
# Skypad

Simple, real time collaborative notepad on the cloud. First version quickly built in an hour with [Skygear](https://skygear.io)

#### Try now:
* Create a new note: https://skygear-demo.github.io/skypad

![Code highlight Preview](https://user-images.githubusercontent.com/1916493/28747571-e14a8030-74d4-11e7-8c48-6f2edc1abc0c.gif)

## Non-CDN version
* This version's libraries are not served from any CDN. Suitable for independent deployment.

---

# Features

* Handy - Create a pad instantly.
* Simple UI - Neat, undistracting and responsive.
* Easy Sharing -  Share by URL, Twitter or FB.
* Collaboration - Real time sync across all platforms.
* Auto Save - Changes saved on the cloud automatically.
* Syntax Highligting - Support JavaScript, C, HTML and CSS. More comming.

[Try it here](https://skygear-demo.github.io/skypad)

# Develop

* Edit the `config` dict at `app.js`

```javascript
const config = {
  baseURL: "https://yoursite.com/", // To help generate a correct sharing URL
  skygearAPIEndpoint: "https://skypad.skygeario.com/", // API Endpoint
  skygearAPIKey: "xxxxc613xxxx4227xxxx6114a401xxxx", // API Key
  writerUser: "username", // the default user for creating app
  writerPass: "password"  // the default user password for creating app
}
```

* Sign up at [Skygear](https://portal.skygear.io/signup) to obtain the API Endpoint and API Key.
* Use `signupWithUserName` to create your own writerUser at Skygear.  


# Deploy

This app can be deployed on localhost, AWS s3, Skygear hosting, GitHub Page or other static hosts.

* These files are required to deploy:
  * `index.html` - Main layout
  * `app.js` - Main app logic
  * `app.css` - CSS styling
  * `/vendor` - Required external library files

# Versions

You can view the previous version as tags, e.g. `v0.1`, `v0.2`

* `mvp` Quick first usable version
* `v0.1` Social sharing and UI fixed
* `v0.2` Code highlighting
* `v0.3` Create new pad and pad title
* `v1.0` List of my notes (Automatically managed)
* `v1.1` **(Upcoming)** Private notes

# Feedback and Contribution

Feel free to open any issue and PR. Contact at hello@skygear.io

### Credits & Thanks

* Code highlighting powered by [CodeFlask](https://github.com/kazzkiq/CodeFlask.js) by [kazzkiq](https://twitter.com/kazzkiq). That's awesome.

* CSS and base style: [MUI](https://www.muicss.com/) a lightweight material framework.

* I didn't use complex JS framework but [zepto.js](http://zeptojs.com/) for quick hacks and keep it lightweight.

### Mentions

* [Discussion on HN](https://news.ycombinator.com/item?id=14864089)

<a href="https://www.sideprojectors.com/project/project/6509/skypad" alt="Skypad @sideprojectors" target="_blank"><img src="https://www.sideprojectors.com/img/logo.png" alt="Skypad @SideProjectors" width="200px"></a>

### About Skygear

[Skygear](https://skygear.io) is a backend for building real-time and cloud-based web/mobile app. Skypad is a perfect simple usecase.


================================================
FILE: app.css
================================================
html,body {
    height:100%;
}

body {
  background-color: #111;
}

div#skypad-title {
  position: fixed;
}

div#skypad-title input {
  position: fixed;
  border: 0;
  height: 30px;
  width: 100%;
  font-family: monospace;
  color: #ecf0f1;
  margin: 0;
  padding: 6px 10px;
  top: 0;
  line-height: 24px;
  font-weight: 600;
  background-color: #2c3e50;
}

div#skypad-title input:focus {
  background: #2980b9;
}

div#skypad-title input::-webkit-input-placeholder { color: #ccc; }
div#skypad-title input::-moz-placeholder {color: #ccc; }
div#skypad-title input:-ms-input-placeholder { color: #ccc; } 
div#skypad-title input:-o-input-placeholder { color: #ccc; } 


div#skypad-display {
  position: fixed;
  border: 0;
  padding: 20px;
  margin-top: 42px;
  width: 100%;
  top: 0;
  color: #fff;
  background-color: #111;
  font-family: monospace;
  height: calc(100% - 130px);
}

textarea,input:focus {
    outline: none;
}
.CodeFlask__pre {
  bottom: 0; /* Fix the scrolling problem*/
}

#credits {
  color: #999;
}

#credits a {
  color: #777;
}

#share-bar {
  border: 0;
  position: fixed;
  margin: 0;
  width:100%;
  bottom: 0;
  height: 40px;
  z-index: 20;
  color: #fff;
  background-color: #333;
  font-family: monospace;
  padding: 10px;
  display: none;
}

#side-bar {
  float;right;
  position: fixed;
  width: 200px;
  max-width: 30%;
  top: 42px;
  bottom: 0;
  color: #fff;
  right: 0;
  background: #2f3640;
  padding: 10px;
  border-left: 2px #456184 solid;
  transition: 1s;
}


#note-list {
  list-style-type: none;
}

#note-list li {
  padding-left: 1em;
  text-indent: -1em;
  text-overflow: ellipsis;
  white-space: nowrap; 
  overflow: hidden;
  width: 120px;
}

#note-list li:before {
  content: "📝";
  padding-right: 5px;
}

@media (max-width: 500px ){
  #side-bar {
    right: -200px;
  }
}

.code-highlight-selector {
  float: right;
  display: none;
}

.code-highlight-selector button {
  font-size: 12px;
}

.code-highlight-selector ul {
  font-size: 12px;
}

.code-highlight-selector ul li a {
  cursor: pointer;
}
@media (max-height: 400px ){
    #share-bar {
      visibility: hidden;
    }
    div#skypad-display {
      height: 100%;
    }
}

================================================
FILE: app.js
================================================
const config = {
  baseURL: "https://skygear-demo.github.io/skypad",
  skygearAPIEndpoint: "https://skypad.skygeario.com/", // trailing slash is required
  skygearAPIKey: "ac59c61350b14227ad5a6114a40176ba",
  writerUser: "writer",
  writerPass: "writerpass"
}

let skygearPad = $("div#skypad-display");
let skygearTitle = $("div#skypad-title input");
let noteList = $("#note-list");
let codeHighlightSelector = $(".code-highlight-selector");
const Note = skygear.Record.extend("Note");
let thisNote = null;
let ramdomToken = Math.random().toString(36).substring(7); // for distinguishing tabs

let cachedCode = '';

function logoutDefaultUser(callback) {
  if (skygear.auth.currentUser && skygear.auth.currentUser.username == config.writerUser) {
    skygear.auth.logout().then(
        skygear.auth.signupAnonymously().then(
            function(user) {
              callback(user);
            }
          )
      );
  }
}

function createNoteListItem (note) {
  let li = document.createElement('li');

  let item = document.createElement('a');
  let noteURL = config.baseURL+"#"+note._id;
  item.textContent = note.title;
  item.setAttribute('href', noteURL);

  li.append(item)
  return li;
}

function createNote() {
  var note = new Note({
    title:"",
    content: "",
    viewcount: 0
  });

  note.setPublicReadWriteAccess();
  return skygear.publicDB.save(note);
}

function saveNote(content) {
  thisNote['content'] = content;

  var toSaveNote = new Note({
    _id: thisNote.id,
    content: thisNote.content
  });
  skygear.publicDB.save(toSaveNote);
}

function updateTitleUI(title) {
  document.title = "Skypad - "+ title + " ";
}

function saveTitle(title) {
  thisNote['title'] = title;

  var toSaveNote = new Note({
    _id: thisNote.id,
    title: thisNote.title
  });
  skygear.publicDB.save(toSaveNote);
}

function increaseNoteCount(note) {
  var viewCount = note.viewcount;
  viewCount = (viewCount == undefined)? 0 :viewCount;
  var toSaveNote = new Note({
    _id: note.id,
    viewcount: viewCount + 1
  });
  skygear.publicDB.save(toSaveNote);
}

function fireSyncTitle(title) {
  if (thisNote) {
    skygear.pubsub.publish('note/' + thisNote._id, {
      token: ramdomToken,
      title: title
    });
    updateTitleUI(title);
    saveTitle(title);
  }
}


function fireSync(content) {
  if (thisNote) {
    skygear.pubsub.publish('note/' + thisNote._id, {
      token: ramdomToken,
      content: content
    });
    saveNote(content);
  }
}

function sync(data) {
    if (data.content !== undefined) {
      if (data.token === ramdomToken) {
        return;
      } else {
        cachedCode = data.content;
        flask.update(data.content);
      }
    } else {
      syncTitle(data);
    }
}

function syncTitle(data) {
  loadUserNotes(skygear.auth.currentUser._id);
  if (data.token === ramdomToken) {
    return;
  } else {
    skygearTitle.val(data.title);
  }
}

function loadUserNotes(userId) { // User created notes, not included notes user has edited
  const query = new skygear.Query(Note);
  query.equalTo('_created_by', userId);
  query.addDescending('_created_at');

  skygear.publicDB.query(query)
    .then(function(records) {
      if (records.length == 0) {
        console.log("No Record for " + userId);
        return;
      }

      console.log(`Found ${records.length} notes for user.`);
      noteList.empty();
      for (let note of records) {
        let noteItem = createNoteListItem(note);
        noteList.append(noteItem);
      }

    }, function(error) {
      console.error(error);
    });
}

function loadExistingNote(noteId) {
  const query = new skygear.Query(Note);
  query.equalTo('_id', noteId);

  skygear.publicDB.query(query)
    .then(function(records) {
      if (records.length == 0) {
        console.log("No Record for " + noteId);
        flask.update(
          "// ❌ 404 not found.\n\nYou can create a new pad at " + config.baseURL
        );
        return;
      }

      const record = records[0];
      var noteURL = config.baseURL+"#"+record._id;

      increaseNoteCount(record);

      skygear.pubsub.on('note/' + record._id, sync);
      thisNote = record;

      flask.update(record.content);
      displaySharingOptions(noteURL);

      var titleText = record.title? record.title : "untitled";
      skygearTitle.val(titleText);
      updateTitleUI(titleText);

    }, function(error) {
      console.error(error);
    });
}

function initNote (user) {
  var noteId = getHashFromURL();
  codeHighlightSelector.show();
  if (noteId) {
    loadExistingNote(noteId);
    loadUserNotes(skygear.auth.currentUser._id)
  } else {
    createNote().then(function(note) {
      var noteURL = config.baseURL + "#" + note._id;

      thisNote = note;
      skygear.pubsub.on('note/' + note._id, sync);
      window.location.hash = note._id;

      var initTitle = 'untitled';
      var initContent =  '// Welcome to Skypad!' +
        '\n// 😎 Share with this URL ' + noteURL +
        '\n\n// Start typing.';

        initContent += '\n\n// Now supports Syntax highlight. Uncomment the following lines to try:'+
'\n'+
'\n/*'+
'\nfunction hello(name) {'+
'\n    console.log(`hello ${name}!`);'+
'\n}'+
'\n'+
'\nhello(\'world\');'+
'\n*/';
      flask.update(initContent);
      skygearTitle.val(initTitle);
      displaySharingOptions(noteURL)
      fireSync(initContent);
      fireSyncTitle(initTitle);
      loadUserNotes(skygear.auth.currentUser._id);
    });
  }
}

function configSkygear(apiEndpoint, apiKey) {
  skygear.config({
    'endPoint': apiEndpoint,
    'apiKey': apiKey,
  }).then(function() {
    if (skygear.auth.currentUser) {
      logoutDefaultUser(initNote);
      initNote(skygear.auth.currentUser);
    } else {
      skygear.auth.signupAnonymously().then(function(user) {
        initNote(user);
      });
    }
  }, function(error) {
    console.error(error.message);
  });
}

function getHashFromURL() {
  var readNote = null;
  if (window.location.hash) {
    // Fragment exists
    readNote = window.location.hash.substr(1);
  }
  return readNote;
}

function displaySharingOptions(noteURL) {
  var shareBarEl =  $("#share-bar");

  var shareURLEl = $("#share-url");
  var shareTwitterEl = $("#share-twitter");
  var shareFBEl = $("#share-fb");

  shareURLEl[0].href = noteURL;
  noteURL=noteURL.replace("#","%23");
  shareTwitterEl[0].href = shareTwitterEl[0].href.replace('{{note-url}}',noteURL);
  shareFBEl[0].href = shareFBEl[0].href.replace('{{note-url}}',noteURL);

  shareBarEl.show();
}

$().ready(function() {
  configSkygear(config.skygearAPIEndpoint, config.skygearAPIKey);
})

// Code highlight
   var flask = new CodeFlask;
    flask.run('#skypad-display', { language: 'javascript'});
    $('#code-highlight-caption').text("JavaScript");  
      flask.onUpdate(function(code) {
        if (cachedCode !== code) {
          cachedCode = code;
          fireSync(code);
        }

      skygearTitle.on("keyup change blur", function(e){
        var title = skygearTitle.val();
        fireSyncTitle(title);
      })
});

$(".code-highlight-selector ul li a").on("click touch", function(e) {
  var langChosen = e.target.dataset.lang;
  flask.run('#skypad-display', { language: langChosen});
  langChosen = (langChosen =="clike")? "C" : langChosen;
  $('#code-highlight-caption').text(langChosen);  
  flask.onUpdate(function(code) {
    if (cachedCode !== code) {
      cachedCode = code;
      fireSync(code);
    }
  });
})


================================================
FILE: index.html
================================================
<!doctype html>
<html>
  <head>
    <title>Skypad - powered by Skygear</title>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    
    <meta property="og:type" content="website">
    <meta property="og:title" content="Skypad - powered by Skygear">
    <meta property="og:description" content="Shared a pad on the real time collaborative notepad." />
    <meta property="og:url" content="https://skygear-demo.github.io/skypad/">
    <meta property="og:image" content="https://skygear-demo.github.io/skypad/skypad-og-image.png">

    <meta name="twitter:card" content="summary_large_image">
    <meta name="twitter:site" content="@skygeario">
    <meta name="twitter:title" content="Skypad - powered by Skygear">
    <meta name="twitter:description" content="Shared a pad on the real time collaborative notepad.">
    <meta name="twitter:image" content="https://skygear-demo.github.io/skypad/skypad-og-image.png">

    <!-- load MUI -->
    <link href="vendor/mui/mui.min.css" rel="stylesheet" type="text/css" />
    <script src="vendor/mui/mui.min.js"></script>
    <script src="vendor/skygear/polyfill.min.js"></script>
    <script src="vendor/skygear/skygear.min.js"></script>
    <!-- load code highlighter -->
    <link rel="stylesheet" href="vendor/prism/prism.css">

   <link rel="stylesheet" href="vendor/codeflask/codeflask.css">

   <script src="vendor/prism/prism.js"></script>
    <script src="vendor/codeflask/codeflask.js"></script>
    codeflask

  <!--Zepto-->
  <script src="vendor/zepto/zepto.min.js"></script>

    <link href="app.css" rel="stylesheet" type="text/css" />
  </head>
  <body>
  <div id="skypad-title" contenteditable="true">
    <input name="pad-title" type="input" value="// Skypad Loading..." placeholder="Enter note title" />
  </div>
  <div id="skypad-display"></div>
  <div id="side-bar">
    <h5>My notes</h5>
    <ul id="note-list">
    </ul>
  </div>
  <div id="share-bar"><a href="#" target="_blank" alt="Create new pad">[New]</a> | Share: <a id="share-url" target="_blank" href="{{note-url}}">[url]</a> <a id="share-twitter" target="_blank" href="http://twitter.com/share?text=I've created a pad using skypad!&url={{note-url}}&hashtags=skygear,skypad">[twitter]</a> <a id="share-fb" target="_blank" href="https://www.facebook.com/sharer/sharer.php?u={{note-url}}">[facebook]</a><div id="credits">powered by <a target="_blank" href="https://skygear.io">[Skygear]</a> | Source on <a target="_blank" href="https://github.com/skygear-demo/skypad">[GitHub]</a> </div></div>
  <div class="mui-dropdown code-highlight-selector">
    <button class="mui-btn mui-btn--small mui-btn--flat mui-btn--primary" data-mui-toggle="dropdown">
      <span id="code-highlight-caption">Code highlight</span>
      <span class="mui-caret"></span>
    </button>
    <ul class="mui-dropdown__menu">
      <li><a data-lang="None">None</a></li>
      <li><a data-lang="JavaScript">JavaScript</a></li>
      <li><a data-lang="HTML">HTML</a></li>
      <li><a data-lang="CSS">CSS</a></li>
      <li><a data-lang="clike">C</a></li>
      
    </ul>
  </div>

  <script src="app.js"></script>

  </body>
</html>


================================================
FILE: vendor/codeflask/codeflask.css
================================================
.CodeFlask{
    position:relative;
    overflow:hidden;
}

.CodeFlask__textarea,
.CodeFlask__pre, 
code[class*="language-"], 
pre[class*="language-"]{
    box-sizing:border-box;
    position:absolute;
    top:0;
    left:0;
    width:100%;
    padding:1rem !important;
    border:none;
    font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
    font-size:13px;
    background:transparent;
    white-space:pre-wrap !important;
    line-height:1.5em;
    word-wrap: break-word;
}

.CodeFlask__textarea{
    border:none;
    background:transparent;
    outline:none;
    resize:none;
    opacity:0.4;
    color:#fff;
    margin:0;
    z-index:1;
    height:100%;
    -webkit-overflow-scrolling: touch;
    -webkit-text-fill-color: transparent;
    tab-size: 4;
}

.CodeFlask__pre{
    z-index:2;
    pointer-events:none;
    overflow-y:auto;
    margin:0;
    min-height:100%;
    margin:0 !important;
    background:transparent !important;
}

.CodeFlask__code{
    font-size:inherit;
    font-family:inherit;
    color:inherit;
    display:block;
}

.CodeFlask__is-code {
    white-space: pre;
}

.CodeFlask__textarea_line-numbers {
    width: calc(100% - 3.8em);
    margin-left: 3.8em;
    padding-left: 0px !important;
}

.CodeFlask__pre_line-numbers {
    padding-left: 3.8em !important;
}


================================================
FILE: vendor/codeflask/codeflask.js
================================================
function CodeFlask(indent) {
    this.indent = indent || "    ";
    this.docroot = document;
}

CodeFlask.isString = function(x) {
    return Object.prototype.toString.call(x) === "[object String]";
}

CodeFlask.prototype.run = function(selector, opts) {
    var target = CodeFlask.isString(selector) ? this.docroot.querySelectorAll(selector) : [selector];

    if(target.length > 1) {
        throw 'CodeFlask.js ERROR: run() expects only one element, ' +
        target.length + ' given. Use .runAll() instead.';
    } else {
        this.scaffold(target[0], false, opts);
    }
}

CodeFlask.prototype.runAll = function(selector, opts) {
    // Remove update API for bulk rendering
    this.update = null;
    this.onUpdate = null;

    var target = CodeFlask.isString(selector) ? this.docroot.querySelectorAll(selector) : selector;

    var i;
    for(i=0; i < target.length; i++) {
        this.scaffold(target[i], true, opts);
    }
    
    // Add the MutationObserver below for each one of the textAreas so we can listen
    // to when the dir attribute has been changed and also return the placeholder
    // dir attribute with it so it reflects the changes made to the textarea.
    var textAreas = this.docroot.getElementsByClassName("CodeFlask__textarea");
    for(var i = 0; i < textAreas.length; i++)
    {
      window.MutationObserver = window.MutationObserver
         || window.WebKitMutationObserver
         || window.MozMutationObserver;

      var target = textAreas[i];

      observer = new MutationObserver(function(mutation) {
        var textAreas = this.docroot.getElementsByClassName("CodeFlask__textarea");
          for(var i = 0; i < textAreas.length; i++)
           {
            // If the text direction values are different set them
            if(textAreas[i].nextSibling.getAttribute("dir") != textAreas[i].getAttribute("dir")){
                textAreas[i].nextSibling.setAttribute("dir", textAreas[i].getAttribute("dir"));
            }
           }
      }),
      config = {
         attributes: true,
         attributeFilter : ['dir']
      };
      observer.observe(target, config);
    }
}

CodeFlask.prototype.scaffold = function(target, isMultiple, opts) {
    var textarea = document.createElement('TEXTAREA'),
        highlightPre = document.createElement('PRE'),
        highlightCode = document.createElement('CODE'),
        initialCode = target.textContent,
        lang;

    if(opts && !opts.enableAutocorrect)
    {
        // disable autocorrect and spellcheck features
        textarea.setAttribute('spellcheck', 'false');
        textarea.setAttribute('autocapitalize', 'off');
        textarea.setAttribute('autocomplete', 'off');
        textarea.setAttribute('autocorrect', 'off');
    }
  
    if(opts)
    {
      lang = this.handleLanguage(opts.language);
    }

    this.defaultLanguage = target.dataset.language || lang || 'markup';


    // Prevent these vars from being refreshed when rendering multiple
    // instances
    if(!isMultiple) {
        this.textarea = textarea;
        this.highlightCode = highlightCode;
    }

    target.classList.add('CodeFlask');
    textarea.classList.add('CodeFlask__textarea');
    highlightPre.classList.add('CodeFlask__pre');
    highlightCode.classList.add('CodeFlask__code');
    highlightCode.classList.add('language-' + this.defaultLanguage);

    // Fixing iOS "drunk-text" issue
    if(/iPad|iPhone|iPod/.test(navigator.platform)) {
        highlightCode.style.paddingLeft = '3px';
    }
    
    // If RTL add the text-align attribute
    if(opts.rtl == true){
        textarea.setAttribute("dir", "rtl")
        highlightPre.setAttribute("dir", "rtl")
    }

    if(opts.lineNumbers) {
        highlightPre.classList.add('line-numbers');
        highlightPre.classList.add('CodeFlask__pre_line-numbers');
        textarea.classList.add('CodeFlask__textarea_line-numbers')
    }
    
    // Appending editor elements to DOM
    target.innerHTML = '';
    target.appendChild(textarea);
    target.appendChild(highlightPre);
    highlightPre.appendChild(highlightCode);

    // Render initial code inside tag
    textarea.value = initialCode;
    this.renderOutput(highlightCode, textarea);

    this.highlight(highlightCode);

    this.handleInput(textarea, highlightCode, highlightPre);
    this.handleScroll(textarea, highlightPre);

}

CodeFlask.prototype.renderOutput = function(highlightCode, input) {
    highlightCode.innerHTML = input.value.replace(/&/g, "&amp;")
        .replace(/</g, "&lt;")
        .replace(/>/g, "&gt;") + "\n";
}

CodeFlask.prototype.handleInput = function(textarea, highlightCode, highlightPre) {
    var self = this,
        input,
        selStartPos,
        inputVal,
        roundedScroll,
        currentLineStart,
        indentLength;

    textarea.addEventListener('input', function(e) {
        input = this;
        
        input.value = input.value.replace(/\t/g, self.indent);

        self.renderOutput(highlightCode, input);

        self.highlight(highlightCode);
    });

    textarea.addEventListener('keydown', function(e) {
        input = this,
        selStartPos = input.selectionStart,
        inputVal = input.value;
        currentLineStart = selStartPos - input.value.substr(0, selStartPos).split("\n").pop().length;

        // If tab pressed, indent
        if (e.keyCode === 9) {
          e.preventDefault();

          // Allow shift-tab
          if (e.shiftKey) {
            indentLength = self.indent.length;

            // If the current line begins with the indent, unindent
            if (inputVal.substring(currentLineStart, currentLineStart + indentLength) == self.indent) {
              input.value = inputVal.substring(0, currentLineStart) +
                            inputVal.substring(currentLineStart + indentLength, input.value.length);
              input.selectionStart = selStartPos - self.indent.length;
              input.selectionEnd = selStartPos - self.indent.length;
            }
          } else {
            input.value = inputVal.substring(0, selStartPos) + self.indent +
                          inputVal.substring(selStartPos, input.value.length);
            input.selectionStart = selStartPos + self.indent.length;
            input.selectionEnd = selStartPos + self.indent.length;
          }

            highlightCode.innerHTML = input.value.replace(/&/g, "&amp;")
                .replace(/</g, "&lt;")
                .replace(/>/g, "&gt;") + "\n";
            self.highlight(highlightCode);
        }
    });
}

CodeFlask.prototype.handleScroll = function(textarea, highlightPre) {
    textarea.addEventListener('scroll', function(){

        roundedScroll = Math.floor(this.scrollTop);

        // Fixes issue of desync text on mouse wheel, fuck Firefox.
        if(navigator.userAgent.toLowerCase().indexOf('firefox') < 0) {
            this.scrollTop = roundedScroll;
        }

        highlightPre.style.top = "-" + roundedScroll + "px";
    });
}

CodeFlask.prototype.handleLanguage = function(lang) {
    if(lang.match(/html|xml|xhtml|svg/)) {
        return 'markup';
    } else  if(lang.match(/js/)) {
        return 'javascript';
    } else {
        return lang;
    }
}

CodeFlask.prototype.onUpdate = function(cb) {
    if(typeof(cb) == "function") {
        // this.textarea.addEventListener('input', function(e) {
        //     cb(this.value);
        // });
    var area = this.textarea;
    if (area.addEventListener) {
      area.addEventListener('input', function(e) {
        // event handling code for sane browsers
        cb(this.value);
      }, false);
    } else if (area.attachEvent) {
      area.attachEvent('onpropertychange', function(e) {
        cb(this.value);
        // IE-specific event handling code
      });
    }

    }else{
        throw 'CodeFlask.js ERROR: onUpdate() expects function, ' +
        typeof(cb) + ' given instead.';
    }
}

CodeFlask.prototype.update = function(string) {
    var evt = document.createEvent("HTMLEvents");

    this.textarea.value = string;
    this.renderOutput(this.highlightCode, this.textarea);
    this.highlight(this.highlightCode);

    evt.initEvent("input", false, true);
    this.textarea.dispatchEvent(evt);
}

CodeFlask.prototype.highlight = function(highlightCode) {
    Prism.highlightElement(highlightCode);
}


================================================
FILE: vendor/prism/prism.css
================================================
/* http://prismjs.com/download.html?themes=prism-twilight&languages=markup+css+clike+javascript */
/**
 * prism.js Twilight theme
 * Based (more or less) on the Twilight theme originally of Textmate fame.
 * @author Remy Bach
 */
code[class*="language-"],
pre[class*="language-"] {
	color: white;
	background: none;
	font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
	text-align: left;
	text-shadow: 0 -.1em .2em black;
	white-space: pre;
	word-spacing: normal;
	word-break: normal;
	word-wrap: normal;
	line-height: 1.5;

	-moz-tab-size: 4;
	-o-tab-size: 4;
	tab-size: 4;

	-webkit-hyphens: none;
	-moz-hyphens: none;
	-ms-hyphens: none;
	hyphens: none;
}

pre[class*="language-"],
:not(pre) > code[class*="language-"] {
	background: hsl(0, 0%, 8%); /* #141414 */
}

/* Code blocks */
pre[class*="language-"] {
	border-radius: .5em;
	border: .3em solid hsl(0, 0%, 33%); /* #282A2B */
	box-shadow: 1px 1px .5em black inset;
	margin: .5em 0;
	overflow: auto;
	padding: 1em;
}

pre[class*="language-"]::-moz-selection {
	/* Firefox */
	background: hsl(200, 4%, 16%); /* #282A2B */
}

pre[class*="language-"]::selection {
	/* Safari */
	background: hsl(200, 4%, 16%); /* #282A2B */
}

/* Text Selection colour */
pre[class*="language-"]::-moz-selection, pre[class*="language-"] ::-moz-selection,
code[class*="language-"]::-moz-selection, code[class*="language-"] ::-moz-selection {
	text-shadow: none;
	background: hsla(0, 0%, 93%, 0.15); /* #EDEDED */
}

pre[class*="language-"]::selection, pre[class*="language-"] ::selection,
code[class*="language-"]::selection, code[class*="language-"] ::selection {
	text-shadow: none;
	background: hsla(0, 0%, 93%, 0.15); /* #EDEDED */
}

/* Inline code */
:not(pre) > code[class*="language-"] {
	border-radius: .3em;
	border: .13em solid hsl(0, 0%, 33%); /* #545454 */
	box-shadow: 1px 1px .3em -.1em black inset;
	padding: .15em .2em .05em;
	white-space: normal;
}

.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
	color: hsl(0, 0%, 47%); /* #777777 */
}

.token.punctuation {
	opacity: .7;
}

.namespace {
	opacity: .7;
}

.token.tag,
.token.boolean,
.token.number,
.token.deleted {
	color: hsl(14, 58%, 55%); /* #CF6A4C */
}

.token.keyword,
.token.property,
.token.selector,
.token.constant,
.token.symbol,
.token.builtin {
	color: hsl(53, 89%, 79%); /* #F9EE98 */
}

.token.attr-name,
.token.attr-value,
.token.string,
.token.char,
.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string,
.token.variable,
.token.inserted {
	color: hsl(76, 21%, 52%); /* #8F9D6A */
}

.token.atrule {
	color: hsl(218, 22%, 55%); /* #7587A6 */
}

.token.regex,
.token.important {
	color: hsl(42, 75%, 65%); /* #E9C062 */
}

.token.important,
.token.bold {
	font-weight: bold;
}
.token.italic {
	font-style: italic;
}

.token.entity {
	cursor: help;
}

pre[data-line] {
	padding: 1em 0 1em 3em;
	position: relative;
}

/* Markup */
.language-markup .token.tag,
.language-markup .token.attr-name,
.language-markup .token.punctuation {
	color: hsl(33, 33%, 52%); /* #AC885B */
}

/* Make the tokens sit above the line highlight so the colours don't look faded. */
.token {
	position: relative;
	z-index: 1;
}

.line-highlight {
	background: hsla(0, 0%, 33%, 0.25); /* #545454 */
	background: linear-gradient(to right, hsla(0, 0%, 33%, .1) 70%, hsla(0, 0%, 33%, 0)); /* #545454 */
	border-bottom: 1px dashed hsl(0, 0%, 33%); /* #545454 */
	border-top: 1px dashed hsl(0, 0%, 33%); /* #545454 */
	left: 0;
	line-height: inherit;
	margin-top: 0.75em; /* Same as .prism’s padding-top */
	padding: inherit 0;
	pointer-events: none;
	position: absolute;
	right: 0;
	white-space: pre;
	z-index: 0;
}

.line-highlight:before,
.line-highlight[data-end]:after {
	background-color: hsl(215, 15%, 59%); /* #8794A6 */
	border-radius: 999px;
	box-shadow: 0 1px white;
	color: hsl(24, 20%, 95%); /* #F5F2F0 */
	content: attr(data-start);
	font: bold 65%/1.5 sans-serif;
	left: .6em;
	min-width: 1em;
	padding: 0 .5em;
	position: absolute;
	text-align: center;
	text-shadow: none;
	top: .4em;
	vertical-align: .3em;
}

.line-highlight[data-end]:after {
	bottom: .4em;
	content: attr(data-end);
	top: auto;
}


================================================
FILE: vendor/prism/prism.js
================================================
/* http://prismjs.com/download.html?themes=prism-twilight&languages=markup+css+clike+javascript */
var _self="undefined"!=typeof window?window:"undefined"!=typeof WorkerGlobalScope&&self instanceof WorkerGlobalScope?self:{},Prism=function(){var e=/\blang(?:uage)?-(\w+)\b/i,t=0,n=_self.Prism={manual:_self.Prism&&_self.Prism.manual,util:{encode:function(e){return e instanceof a?new a(e.type,n.util.encode(e.content),e.alias):"Array"===n.util.type(e)?e.map(n.util.encode):e.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/\u00a0/g," ")},type:function(e){return Object.prototype.toString.call(e).match(/\[object (\w+)\]/)[1]},objId:function(e){return e.__id||Object.defineProperty(e,"__id",{value:++t}),e.__id},clone:function(e){var t=n.util.type(e);switch(t){case"Object":var a={};for(var r in e)e.hasOwnProperty(r)&&(a[r]=n.util.clone(e[r]));return a;case"Array":return e.map&&e.map(function(e){return n.util.clone(e)})}return e}},languages:{extend:function(e,t){var a=n.util.clone(n.languages[e]);for(var r in t)a[r]=t[r];return a},insertBefore:function(e,t,a,r){r=r||n.languages;var i=r[e];if(2==arguments.length){a=arguments[1];for(var l in a)a.hasOwnProperty(l)&&(i[l]=a[l]);return i}var o={};for(var s in i)if(i.hasOwnProperty(s)){if(s==t)for(var l in a)a.hasOwnProperty(l)&&(o[l]=a[l]);o[s]=i[s]}return n.languages.DFS(n.languages,function(t,n){n===r[e]&&t!=e&&(this[t]=o)}),r[e]=o},DFS:function(e,t,a,r){r=r||{};for(var i in e)e.hasOwnProperty(i)&&(t.call(e,i,e[i],a||i),"Object"!==n.util.type(e[i])||r[n.util.objId(e[i])]?"Array"!==n.util.type(e[i])||r[n.util.objId(e[i])]||(r[n.util.objId(e[i])]=!0,n.languages.DFS(e[i],t,i,r)):(r[n.util.objId(e[i])]=!0,n.languages.DFS(e[i],t,null,r)))}},plugins:{},highlightAll:function(e,t){var a={callback:t,selector:'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'};n.hooks.run("before-highlightall",a);for(var r,i=a.elements||document.querySelectorAll(a.selector),l=0;r=i[l++];)n.highlightElement(r,e===!0,a.callback)},highlightElement:function(t,a,r){for(var i,l,o=t;o&&!e.test(o.className);)o=o.parentNode;o&&(i=(o.className.match(e)||[,""])[1].toLowerCase(),l=n.languages[i]),t.className=t.className.replace(e,"").replace(/\s+/g," ")+" language-"+i,o=t.parentNode,/pre/i.test(o.nodeName)&&(o.className=o.className.replace(e,"").replace(/\s+/g," ")+" language-"+i);var s=t.textContent,u={element:t,language:i,grammar:l,code:s};if(n.hooks.run("before-sanity-check",u),!u.code||!u.grammar)return u.code&&(n.hooks.run("before-highlight",u),u.element.textContent=u.code,n.hooks.run("after-highlight",u)),n.hooks.run("complete",u),void 0;if(n.hooks.run("before-highlight",u),a&&_self.Worker){var g=new Worker(n.filename);g.onmessage=function(e){u.highlightedCode=e.data,n.hooks.run("before-insert",u),u.element.innerHTML=u.highlightedCode,r&&r.call(u.element),n.hooks.run("after-highlight",u),n.hooks.run("complete",u)},g.postMessage(JSON.stringify({language:u.language,code:u.code,immediateClose:!0}))}else u.highlightedCode=n.highlight(u.code,u.grammar,u.language),n.hooks.run("before-insert",u),u.element.innerHTML=u.highlightedCode,r&&r.call(t),n.hooks.run("after-highlight",u),n.hooks.run("complete",u)},highlight:function(e,t,r){var i=n.tokenize(e,t);return a.stringify(n.util.encode(i),r)},matchGrammar:function(e,t,a,r,i,l,o){var s=n.Token;for(var u in a)if(a.hasOwnProperty(u)&&a[u]){if(u==o)return;var g=a[u];g="Array"===n.util.type(g)?g:[g];for(var c=0;c<g.length;++c){var h=g[c],f=h.inside,d=!!h.lookbehind,m=!!h.greedy,p=0,y=h.alias;if(m&&!h.pattern.global){var v=h.pattern.toString().match(/[imuy]*$/)[0];h.pattern=RegExp(h.pattern.source,v+"g")}h=h.pattern||h;for(var b=r,k=i;b<t.length;k+=t[b].length,++b){var w=t[b];if(t.length>e.length)return;if(!(w instanceof s)){h.lastIndex=0;var _=h.exec(w),P=1;if(!_&&m&&b!=t.length-1){if(h.lastIndex=k,_=h.exec(e),!_)break;for(var A=_.index+(d?_[1].length:0),j=_.index+_[0].length,x=b,O=k,S=t.length;S>x&&(j>O||!t[x].type&&!t[x-1].greedy);++x)O+=t[x].length,A>=O&&(++b,k=O);if(t[b]instanceof s||t[x-1].greedy)continue;P=x-b,w=e.slice(k,O),_.index-=k}if(_){d&&(p=_[1].length);var A=_.index+p,_=_[0].slice(p),j=A+_.length,N=w.slice(0,A),C=w.slice(j),E=[b,P];N&&(++b,k+=N.length,E.push(N));var L=new s(u,f?n.tokenize(_,f):_,y,_,m);if(E.push(L),C&&E.push(C),Array.prototype.splice.apply(t,E),1!=P&&n.matchGrammar(e,t,a,b,k,!0,u),l)break}else if(l)break}}}}},tokenize:function(e,t){var a=[e],r=t.rest;if(r){for(var i in r)t[i]=r[i];delete t.rest}return n.matchGrammar(e,a,t,0,0,!1),a},hooks:{all:{},add:function(e,t){var a=n.hooks.all;a[e]=a[e]||[],a[e].push(t)},run:function(e,t){var a=n.hooks.all[e];if(a&&a.length)for(var r,i=0;r=a[i++];)r(t)}}},a=n.Token=function(e,t,n,a,r){this.type=e,this.content=t,this.alias=n,this.length=0|(a||"").length,this.greedy=!!r};if(a.stringify=function(e,t,r){if("string"==typeof e)return e;if("Array"===n.util.type(e))return e.map(function(n){return a.stringify(n,t,e)}).join("");var i={type:e.type,content:a.stringify(e.content,t,r),tag:"span",classes:["token",e.type],attributes:{},language:t,parent:r};if("comment"==i.type&&(i.attributes.spellcheck="true"),e.alias){var l="Array"===n.util.type(e.alias)?e.alias:[e.alias];Array.prototype.push.apply(i.classes,l)}n.hooks.run("wrap",i);var o=Object.keys(i.attributes).map(function(e){return e+'="'+(i.attributes[e]||"").replace(/"/g,"&quot;")+'"'}).join(" ");return"<"+i.tag+' class="'+i.classes.join(" ")+'"'+(o?" "+o:"")+">"+i.content+"</"+i.tag+">"},!_self.document)return _self.addEventListener?(_self.addEventListener("message",function(e){var t=JSON.parse(e.data),a=t.language,r=t.code,i=t.immediateClose;_self.postMessage(n.highlight(r,n.languages[a],a)),i&&_self.close()},!1),_self.Prism):_self.Prism;var r=document.currentScript||[].slice.call(document.getElementsByTagName("script")).pop();return r&&(n.filename=r.src,!document.addEventListener||n.manual||r.hasAttribute("data-manual")||("loading"!==document.readyState?window.requestAnimationFrame?window.requestAnimationFrame(n.highlightAll):window.setTimeout(n.highlightAll,16):document.addEventListener("DOMContentLoaded",n.highlightAll))),_self.Prism}();"undefined"!=typeof module&&module.exports&&(module.exports=Prism),"undefined"!=typeof global&&(global.Prism=Prism);
Prism.languages.markup={comment:/<!--[\s\S]*?-->/,prolog:/<\?[\s\S]+?\?>/,doctype:/<!DOCTYPE[\s\S]+?>/i,cdata:/<!\[CDATA\[[\s\S]*?]]>/i,tag:{pattern:/<\/?(?!\d)[^\s>\/=$<]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\s\S])*\1|[^\s'">=]+))?)*\s*\/?>/i,inside:{tag:{pattern:/^<\/?[^\s>\/]+/i,inside:{punctuation:/^<\/?/,namespace:/^[^\s>\/:]+:/}},"attr-value":{pattern:/=(?:('|")[\s\S]*?(\1)|[^\s>]+)/i,inside:{punctuation:/[=>"']/}},punctuation:/\/?>/,"attr-name":{pattern:/[^\s>\/]+/,inside:{namespace:/^[^\s>\/:]+:/}}}},entity:/&#?[\da-z]{1,8};/i},Prism.languages.markup.tag.inside["attr-value"].inside.entity=Prism.languages.markup.entity,Prism.hooks.add("wrap",function(a){"entity"===a.type&&(a.attributes.title=a.content.replace(/&amp;/,"&"))}),Prism.languages.xml=Prism.languages.markup,Prism.languages.html=Prism.languages.markup,Prism.languages.mathml=Prism.languages.markup,Prism.languages.svg=Prism.languages.markup;
Prism.languages.css={comment:/\/\*[\s\S]*?\*\//,atrule:{pattern:/@[\w-]+?.*?(;|(?=\s*\{))/i,inside:{rule:/@[\w-]+/}},url:/url\((?:(["'])(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1|.*?)\)/i,selector:/[^\{\}\s][^\{\};]*?(?=\s*\{)/,string:{pattern:/("|')(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,greedy:!0},property:/(\b|\B)[\w-]+(?=\s*:)/i,important:/\B!important\b/i,"function":/[-a-z0-9]+(?=\()/i,punctuation:/[(){};:]/},Prism.languages.css.atrule.inside.rest=Prism.util.clone(Prism.languages.css),Prism.languages.markup&&(Prism.languages.insertBefore("markup","tag",{style:{pattern:/(<style[\s\S]*?>)[\s\S]*?(?=<\/style>)/i,lookbehind:!0,inside:Prism.languages.css,alias:"language-css"}}),Prism.languages.insertBefore("inside","attr-value",{"style-attr":{pattern:/\s*style=("|').*?\1/i,inside:{"attr-name":{pattern:/^\s*style/i,inside:Prism.languages.markup.tag.inside},punctuation:/^\s*=\s*['"]|['"]\s*$/,"attr-value":{pattern:/.+/i,inside:Prism.languages.css}},alias:"language-css"}},Prism.languages.markup.tag));
Prism.languages.clike={comment:[{pattern:/(^|[^\\])\/\*[\s\S]*?\*\//,lookbehind:!0},{pattern:/(^|[^\\:])\/\/.*/,lookbehind:!0}],string:{pattern:/(["'])(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,greedy:!0},"class-name":{pattern:/((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[a-z0-9_\.\\]+/i,lookbehind:!0,inside:{punctuation:/(\.|\\)/}},keyword:/\b(if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,"boolean":/\b(true|false)\b/,"function":/[a-z0-9_]+(?=\()/i,number:/\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)\b/i,operator:/--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,punctuation:/[{}[\];(),.:]/};
Prism.languages.javascript=Prism.languages.extend("clike",{keyword:/\b(as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/,number:/\b-?(0[xX][\dA-Fa-f]+|0[bB][01]+|0[oO][0-7]+|\d*\.?\d+([Ee][+-]?\d+)?|NaN|Infinity)\b/,"function":/[_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*(?=\()/i,operator:/-[-=]?|\+[+=]?|!=?=?|<<?=?|>>?>?=?|=(?:==?|>)?|&[&=]?|\|[|=]?|\*\*?=?|\/=?|~|\^=?|%=?|\?|\.{3}/}),Prism.languages.insertBefore("javascript","keyword",{regex:{pattern:/(^|[^\/])\/(?!\/)(\[[^\]\r\n]+]|\\.|[^\/\\\[\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})]))/,lookbehind:!0,greedy:!0}}),Prism.languages.insertBefore("javascript","string",{"template-string":{pattern:/`(?:\\\\|\\?[^\\])*?`/,greedy:!0,inside:{interpolation:{pattern:/\$\{[^}]+\}/,inside:{"interpolation-punctuation":{pattern:/^\$\{|\}$/,alias:"punctuation"},rest:Prism.languages.javascript}},string:/[\s\S]+/}}}),Prism.languages.markup&&Prism.languages.insertBefore("markup","tag",{script:{pattern:/(<script[\s\S]*?>)[\s\S]*?(?=<\/script>)/i,lookbehind:!0,inside:Prism.languages.javascript,alias:"language-javascript"}}),Prism.languages.js=Prism.languages.javascript;