Merge branch 'master' of github.com:tanabe/markdown-live-preview

Fix #18

.gitignore

@@ -0,0 +1,68 @@
+.DS_Store
+.firebaserc
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+firebase-debug.log*
+
+# Firebase cache
+.firebase/
+
+# Firebase config
+
+# Uncomment this if you'd like others to create their own Firebase project.
+# For a team working on the same Firebase project(s), it is recommended to leave
+# it commented so all members can deploy to the same project(s) in .firebaserc.
+# .firebaserc
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "github-markdown-css"]
+	path = github-markdown-css
+	url = https://github.com/sindresorhus/github-markdown-css.git

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Hideaki Tanabe
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -1,39 +1,8 @@
-# hello, This is Markdown Live Preview
+# Markdown Live Preview
 
-visit [markdownlivepreview.com](http://markdownlivepreview.com)
+This is the code for [Markdown Live Preview](https://markdownlivepreview.com/).
 
-----
-## what is Markdown?
-see [Wikipedia](http://en.wikipedia.org/wiki/Markdown)
 
-> Markdown is a lightweight markup language, originally created by John Gruber and Aaron Swartz allowing people "to write using an easy-to-read, easy-to-write plain text format, then convert it to structurally valid XHTML (or HTML)".
-
-----
-## usage
-1. Write markdown text in this textarea.
-2. Click 'HTML Preview' button.
-
-----
-## markdown quick reference
-# headers
-
-*emphasis*
-
-**strong**
-
-* list
-
->block quote
-
-    code (4 spaces indent)
-[links](http://wikipedia.org)
-
-----
-## changelog
-* 17-Feb-2013 re-design
-* 19-May-2011 launch
-
-----
-## thanks
-* [markdown-js](https://github.com/evilstreak/markdown-js)
 
+## License
+See the [LICENSE](https://github.com/tanabe/markdown-live-preview/blob/master/LICENSE) file in this repo.

css/github.css

@@ -1,290 +0,0 @@
-@charset "UTF-8";
-
-.markdown-body {
-  font-size: 14px;
-  line-height: 1.6;
-  overflow: hidden
-}
-.markdown-body>*: first-child {
-  margin-top: 0 !important
-}
-.markdown-body>*: last-child {
-  margin-bottom: 0 !important
-}
-.markdown-body a.absent {
-  color: #c00
-}
-.markdown-body a.anchor {
-  display: block;
-  padding-left: 30px;
-  margin-left: -30px;
-  cursor: pointer;
-  position: absolute;
-  top: 0;
-  left: 0;
-  bottom: 0
-}
-.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6 {
-  margin: 20px 0 10px;
-  padding: 0;
-  font-weight: bold;
-  -webkit-font-smoothing: antialiased;
-  cursor: text;
-  position: relative
-}
-.markdown-body h1 .mini-icon-link,.markdown-body h2 .mini-icon-link,.markdown-body h3 .mini-icon-link,.markdown-body h4 .mini-icon-link,.markdown-body h5 .mini-icon-link,.markdown-body h6 .mini-icon-link {
-  display: none;
-  color: #000
-}
-.markdown-body h1: hover a.anchor,.markdown-body h2: hover a.anchor,.markdown-body h3: hover a.anchor,.markdown-body h4: hover a.anchor,.markdown-body h5: hover a.anchor,.markdown-body h6: hover a.anchor {
-  text-decoration: none;
-  line-height: 1;
-  padding-left: 0;
-  margin-left: -22px;
-  top: 15%
-}
-.markdown-body h1: hover a.anchor .mini-icon-link,.markdown-body h2: hover a.anchor .mini-icon-link,.markdown-body h3: hover a.anchor .mini-icon-link,.markdown-body h4: hover a.anchor .mini-icon-link,.markdown-body h5: hover a.anchor .mini-icon-link,.markdown-body h6: hover a.anchor .mini-icon-link {
-  display: inline-block
-}
-.markdown-body h1 tt,.markdown-body h1 code,.markdown-body h2 tt,.markdown-body h2 code,.markdown-body h3 tt,.markdown-body h3 code,.markdown-body h4 tt,.markdown-body h4 code,.markdown-body h5 tt,.markdown-body h5 code,.markdown-body h6 tt,.markdown-body h6 code {
-  font-size: inherit
-}
-.markdown-body h1 {
-  font-size: 28px;
-  color: #000
-}
-.markdown-body h2 {
-  font-size: 24px;
-  border-bottom: 1px solid #ccc;
-  color: #000
-}
-.markdown-body h3 {
-  font-size: 18px
-}
-.markdown-body h4 {
-  font-size: 16px
-}
-.markdown-body h5 {
-  font-size: 14px
-}
-.markdown-body h6 {
-  color: #777;
-  font-size: 14px
-}
-.markdown-body p,.markdown-body blockquote,.markdown-body ul,.markdown-body ol,.markdown-body dl,.markdown-body table,.markdown-body pre {
-  margin: 15px 0
-}
-.markdown-body hr {
-  background: transparent url("https: //a248.e.akamai.net/assets.github.com/assets/primer/markdown/dirty-shade-6ead57f83b0f117a80ba77232aff0673bfd71263.png") repeat-x 0 0;
-  border: 0 none;
-  color: #ccc;
-  height: 4px;
-  padding: 0
-}
-.markdown-body>h2: first-child,.markdown-body>h1: first-child,.markdown-body>h1: first-child+h2,.markdown-body>h3: first-child,.markdown-body>h4: first-child,.markdown-body>h5: first-child,.markdown-body>h6: first-child {
-  margin-top: 0;
-  padding-top: 0
-}
-.markdown-body a: first-child h1,.markdown-body a: first-child h2,.markdown-body a: first-child h3,.markdown-body a: first-child h4,.markdown-body a: first-child h5,.markdown-body a: first-child h6 {
-  margin-top: 0;
-  padding-top: 0
-}
-.markdown-body h1+p,.markdown-body h2+p,.markdown-body h3+p,.markdown-body h4+p,.markdown-body h5+p,.markdown-body h6+p {
-  margin-top: 0
-}
-.markdown-body li p.first {
-  display: inline-block
-}
-.markdown-body ul,.markdown-body ol {
-  padding-left: 30px
-}
-.markdown-body ul.no-list,.markdown-body ol.no-list {
-  list-style-type: none;
-  padding: 0
-}
-.markdown-body ul li>: first-child,.markdown-body ul li ul: first-of-type,.markdown-body ol li>: first-child,.markdown-body ol li ul: first-of-type {
-  margin-top: 0px
-}
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-  margin-bottom: 0
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-.markdown-body dl dt {
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-}
-.markdown-body dl dt>: first-child {
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-.markdown-body dl dt>: last-child {
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-}
-.markdown-body dl dd {
-  margin: 0 0 15px;
-  padding: 0 15px
-}
-.markdown-body dl dd>: first-child {
-  margin-top: 0px
-}
-.markdown-body dl dd>: last-child {
-  margin-bottom: 0px
-}
-.markdown-body blockquote {
-  border-left: 4px solid #DDD;
-  padding: 0 15px;
-  color: #777
-}
-.markdown-body blockquote>: first-child {
-  margin-top: 0px
-}
-.markdown-body blockquote>: last-child {
-  margin-bottom: 0px
-}
-.markdown-body table th {
-  font-weight: bold
-}
-.markdown-body table th,.markdown-body table td {
-  border: 1px solid #ccc;
-  padding: 6px 13px
-}
-.markdown-body table tr {
-  border-top: 1px solid #ccc;
-  background-color: #fff
-}
-.markdown-body table tr: nth-child(2n) {
-  background-color: #f8f8f8
-}
-.markdown-body img {
-  max-width: 100%;
-  -moz-box-sizing: border-box;
-  box-sizing: border-box
-}
-.markdown-body span.frame {
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-  overflow: hidden
-}
-.markdown-body span.frame>span {
-  border: 1px solid #ddd;
-  display: block;
-  float: left;
-  overflow: hidden;
-  margin: 13px 0 0;
-  padding: 7px;
-  width: auto
-}
-.markdown-body span.frame span img {
-  display: block;
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-}
-.markdown-body span.frame span span {
-  clear: both;
-  color: #333;
-  display: block;
-  padding: 5px 0 0
-}
-.markdown-body span.align-center {
-  display: block;
-  overflow: hidden;
-  clear: both
-}
-.markdown-body span.align-center>span {
-  display: block;
-  overflow: hidden;
-  margin: 13px auto 0;
-  text-align: center
-}
-.markdown-body span.align-center span img {
-  margin: 0 auto;
-  text-align: center
-}
-.markdown-body span.align-right {
-  display: block;
-  overflow: hidden;
-  clear: both
-}
-.markdown-body span.align-right>span {
-  display: block;
-  overflow: hidden;
-  margin: 13px 0 0;
-  text-align: right
-}
-.markdown-body span.align-right span img {
-  margin: 0;
-  text-align: right
-}
-.markdown-body span.float-left {
-  display: block;
-  margin-right: 13px;
-  overflow: hidden;
-  float: left
-}
-.markdown-body span.float-left span {
-  margin: 13px 0 0
-}
-.markdown-body span.float-right {
-  display: block;
-  margin-left: 13px;
-  overflow: hidden;
-  float: right
-}
-.markdown-body span.float-right>span {
-  display: block;
-  overflow: hidden;
-  margin: 13px auto 0;
-  text-align: right
-}
-.markdown-body code,.markdown-body tt {
-  margin: 0 2px;
-  padding: 0px 5px;
-  border: 1px solid #eaeaea;
-  background-color: #f8f8f8;
-  border-radius: 3px
-}
-.markdown-body code {
-  white-space: nowrap
-}
-.markdown-body pre>code {
-  margin: 0;
-  padding: 0;
-  white-space: pre;
-  border: none;
-  background: transparent
-}
-.markdown-body .highlight pre,.markdown-body pre {
-  background-color: #f8f8f8;
-  border: 1px solid #ccc;
-  font-size: 13px;
-  line-height: 19px;
-  overflow: auto;
-  padding: 6px 10px;
-  border-radius: 3px
-}
-.markdown-body pre code,.markdown-body pre tt {
-  margin: 0;
-  padding: 0;
-  background-color: transparent;
-  border: none
-}
-
-.markdown-body a {
-  color: #4183c4;
-  text-decoration: none;
-}
-
-.markdown-body a:hover {
-  text-decoration: underline;
-}
-
-.markdown-body pre,
-.markdown-body code {
-  font-size: 12px;
-  font-family: Consolas, "Liberation Mono", Courier, monospace;
-}

css/style.css

@@ -1,328 +0,0 @@
-html, body {
-  position: relative;
-  color: #333;
-  overflow-x: hidden;
-  margin: 0;
-  padding: 0;
-  font-family: Helvetica, arial, freesans, clean, sans-serif;
-  font-size: 1em;
-  line-height: 1.5em;
-  background-color: #444;
-}
-
-h1, h2, h3, h4, h5, h6, p {
-  font-size: 1em;
-  margin: 0;
-  padding: 0;
-  font-weight: normal;
-}
-
-p {
-  margin: 1em;
-}
-
-a:link,
-a:visited,
-a:hover
-a:active {
-  color: #333;
-  text-decoration: none;
-}
-
-img {
-  border: none;
-}
-
-#header {
-  padding: 10px 0 ;
-  background-color: #444;
-  width: 100%;
-  text-align: center;
-}
-
-#header h1 {
-  color: #fff;
-  padding-bottom: 10px;
-}
-
-ul#menu {
-  margin: 0;
-  padding: 0;
-  list-style: none;
-}
-
-ul#menu li {
-  color: #999;
-  margin: 0;
-  margin-right: 5px;
-  padding: 10px;
-  list-style: none;
-  display: inline-block;
-  border-radius: 10px;
-}
-
-ul#menu a.edit li {
-  padding-left: 35px;
-  background: transparent url(../image/icon_edit_off.png) no-repeat 10px center;
-}
-
-ul#menu a.edit.active li {
-  background: transparent url(../image/icon_edit.png) no-repeat 10px center;
-}
-
-ul#menu a.preview li {
-  padding-left: 40px;
-  background: transparent url(../image/icon_preview_off.png) no-repeat 10px center;
-}
-
-ul#menu a.preview.active li {
-  background: transparent url(../image/icon_preview.png) no-repeat 10px center;
-}
-
-ul#menu li:hover {
-/*  text-decoration: underline;*/
-  -webkit-box-shadow: inset 0 0 5px rgba(0,0,0, 0.4), rgba(255,255,255,0.1) 0 1px 0;
-  box-shadow: inset 0 0 5px rgba(0,0,0, 0.4), rgba(255,255,255,0.1) 0 1px 0;
-  border-radius: 4px;
-}
-
-ul#menu a.active li {
-  color: #fff;
-  -webkit-box-shadow: inset 0 0 5px rgba(0,0,0, 0.4), rgba(255,255,255,0.1) 0 1px 0;
-  box-shadow: inset 0 0 5px rgba(0,0,0, 0.4), rgba(255,255,255,0.1) 0 1px 0;
-  border-radius: 4px;
-}
-
-#container {
-  min-height: 100%;
-  height: auto !important;
-  height: 100%;
-  width: 960px;
-  padding: 20px;
-  margin: 0 auto;
-  background-color: #fff;
-  border-radius: 10px;
-}
-
-#container .section {
-  margin-bottom: 20px;
-}
-
-#content .mode {
-  border: 1px solid #ddd;
-  border-radius: 3px;
-}
-
-#content .mode ul.submenu {
-  list-style: none;
-  margin: 0;
-  padding: 5px;
-  border-bottom: 1px solid #ddd;
-  background-color: #eee;
-}
-
-#content .mode ul.submenu li {
-  display: inline-block;
-  font-size: 12px;
-  font-weight: bold;
-  border-radius: 3px;
-  padding: 0 5px;
-  border: 1px solid #ddd;
-  background-color: #f3f3f3;
-}
-
-#content .mode ul.submenu li:hover {
-  text-decoration: underline;
-}
-
-#content .mode .content {
-  padding: 10px;
-}
-
-#preview {
-  display: none;
-}
-
-
-.section h2 {
-  color: #466964;
-  font-weight: bold;
-  font-size: 1.5em;
-  margin-bottom: 10px;
-}
-
-#leftColumn {
-  float: left;
-  width: 700px;
-}
-
-#rightColumn {
-  width: 240px;
-  float: right;
-}
-
-textarea#markdown {
-  padding: 0;
-  margin: 0;
-  width: 100%;
-  height: 400px;
-  overflow: auto;
-  font-size: 15px;
-  border: none;
-/*  border: 2px solid #D1D1BC;*/
-  resize: vertical;
-  outline: none;
-}
-
-/*
-#output {
-  background-color: #f8f8f8;
-  border: 2px solid #A7C4BB;
-  min-height: 100px;
-  padding: 10px;
-}
-
-#output p {
-  line-height: 1.3em;
-}
-
-#output h1,
-#output h2,
-#output h3,
-#output h4,
-#output h5,
-#output h6 {
-  font-weight: bold;
-  color: #000;
-}
-
-#output h1 {
-  font-size: 1.7em;
-}
-
-#output h2 {
-  font-size: 1.5em;
-}
-
-#output h3 {
-  font-size: 1em;
-}
-
-#output ol,
-#output ul {
-  margin: 0;
-}
-
-#output blockquote,
-#output pre {
-  margin: 0;
-  padding: 5px;
-  color: #g;
-  background-color: #eee;
-  border: 1px solid #ddd;
-  line-height: 1.5em;
-}
-
-#output code {
-  margin: 0;
-  padding: 0;
-  line-height: 1em;
-}
-*/
-
- 
-table#reference {
-  width: 238px;
-  border: 1px #ddd solid;
-  border-collapse: collapse;
-  border-spacing: 0;
-}
-
-table#reference th {
-  border: #ddd solid;
-  border-width: 0 0 1px 1px;
-  background-color: #eee;
-  font-weight: bold;
-  line-height: 120%;
-  text-align: center;
-  padding: 5px;
-}
-
-table#reference td {
-  border: 1px #ddd solid;
-  border-width: 0 0 1px 1px;
-  text-align: center;
-  padding: 5px;
-}
-
-#reference p {
-  margin: 0;
-  padding: 0;
-}
-
-#reference ul, 
-#reference ol, 
-#reference blockquote {
-  margin: 0;
-  padding: 0;
-  padding-left: 0;
- list-style-position: inside;
-}
-
-#reference ul li,
-#reference ol li {
-  padding-left: 0;
-}
-
-#reference h1,
-#reference h2,
-#reference h3,
-#reference h4,
-#reference h5,
-#reference h6 {
-  font-weight: bold;
-  color: #000;
-}
-
-#footer {
-  clear: both;
-  width: 100%;
-  height: 50px;
-  padding: 10px;
-  margin-bottom: 30px;
-  background-color: #444;
-  color: #fff;
-  text-align: center;
-}
-
-#footer #copyright {
-  font-size: 12px;
-  color: #999;
-}
-
-
-#footer #copyright a {
-  font-size: 12px;
-  color: #999;
-}
-
-#footer #copyright a:hover {
-  color: #fff;
-  text-decoration: underline;
-}
-
-ul#shareLinks,
-ul#shareLinks li {
-  margin: 0;
-  padding: 0;
-  list-style: none;
-}
-
-ul#shareLinks li {
-  display: inline-block;
-  vertical-align: middle;
-}
-
-ul#shareLinks li.facebook {
-  margin-top: 10px;
-}

deploy.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+firebase deploy

firebase.json

@@ -0,0 +1,10 @@
+{
+  "hosting": {
+    "public": "public",
+    "ignore": [
+      "firebase.json",
+      "**/.*",
+      "**/node_modules/**"
+    ]
+  }
+}

index.html

@@ -1,88 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
-    <meta http-equiv="content-language" content="en">
-    <meta http-equiv="content-script-type" content="text/javascript">
-    <meta http-equiv="content-style-type" content="text/css">
-    <meta name="description" content="This is the Markdown editor with live preview. enjoy.">
-    <meta name="keywords" content="markdown,editor,github,live,preview,tutorial">
-
-    <link rel="stylesheet" type="text/css" href="css/style.css">
-    <link rel="stylesheet" type="text/css" href="css/github.css">
-    <link rel="icon" type="image/x-icon" href="favicon.ico">
-
-    <script type="text/javascript" src="js/jquery-1.6.1.min.js"></script>
-    <script type="text/javascript" src="js/jquery.autosize-min.js"></script>
-    <script type="text/javascript" src="js/markdown.js"></script>
-    <script type="text/javascript" src="js/main.js"></script>
-
-    <title>Markdown Live Preview</title>
-  </head>
-  <body>
-
-    <div id="header">
-      <h1><a href="./"><img src="image/logo.png" width="306" height="20" alt="Markdown Live Preview"></a></h1>
-      <ul id="menu">
-        <a href="javascript:void(null);" data-menu-id="edit" class="edit active"><li>Edit Markdown</li></a>
-        <a href="javascript:void(null);" class="preview" data-menu-id="preview"><li>HTML Preview</li></a>
-      </ul>
-    </div>
-
-    <div id="container">
-      <div id="content" class="section">
-
-        <div id="edit" class="mode">
-          <ul class="submenu">
-            <a href="javascript:void(null);" id="clearButton"><li>clear</li></a>
-          </ul>
-          <div class="content">
-            <textarea id="markdown">
-            </textarea>
-          </div>
-        </div>
-
-        <div id="preview" class="mode">
-          <div id="output" class="content markdown-body">
-          </div>
-        </div>
-
-      </div>
-    </div>
-
-    <div id="footer">
-      <ul id="shareLinks">
-        <li class="google">
-<!-- Place this tag where you want the share button to render. -->
-<div class="g-plus" data-action="share"></div>
-
-<!-- Place this tag after the last share tag. -->
-<script type="text/javascript">
-  (function() {
-    var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
-    po.src = 'https://apis.google.com/js/plusone.js';
-    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
-  })();
-</script>
-        </li>
-        <li class="twitter"><a href="https://twitter.com/share" class="twitter-share-button" data-url="http://markdownlivepreview.com" data-via="tanabe">Tweet</a>
-        <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script></li>
-        <li class="facebook"><iframe src="//www.facebook.com/plugins/like.php?href=http%3A%2F%2Fmarkdownlivepreview.com&amp;send=false&amp;layout=standard&amp;width=450&amp;show_faces=false&amp;font=tahoma&amp;colorscheme=dark&amp;action=like&amp;height=35" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:450px; height:35px;" allowTransparency="true"></iframe></li>
-      </ul>
-      <div id="copyright">Copyright 2013 <a href="https://twitter.com/tanabe">tanabe</a>.</div>
-    </div>
-
-    <script type="text/javascript">
-      var _gaq = _gaq || [];
-      _gaq.push(['_setAccount', 'UA-73660-14']);
-      _gaq.push(['_trackPageview']);
-
-      (function() {
-        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
-        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
-        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
-      })();
-    </script>
-
-  </body>
-</html>

js/main.js

@@ -1,127 +0,0 @@
-var example = [
-  "# hello, This is Markdown Live Preview",
-  "",
-  "----",
-  "## what is Markdown?",
-  "see [Wikipedia](http://en.wikipedia.org/wiki/Markdown)",
-  "",
-  "> Markdown is a lightweight markup language, originally created by John Gruber and Aaron Swartz allowing people \"to write using an easy-to-read, easy-to-write plain text format, then convert it to structurally valid XHTML (or HTML)\".",
-  "",
-  "----",
-  "## usage",
-  "1. Write markdown text in this textarea.",
-  "2. Click 'HTML Preview' button.",
-  "",
-  "----",
-  "## markdown quick reference",
-  "# headers",
-  "",
-  "*emphasis*",
-  "",
-  "**strong**",
-  "",
-  "* list",
-  "",
-  ">block quote",
-  "",
-  "    code (4 spaces indent)",
-  "[links](http://wikipedia.org)",
-  "",
-  "----",
-  "## changelog",
-  "* 17-Feb-2013 re-design",
-  "",
-  "----",
-  "## thanks",
-  "* [markdown-js](https://github.com/evilstreak/markdown-js)",
-  ""
-].join("\n");
-
-$(function() {
-  var currentMode = 'edit';
-  var container = $('#container');
-  var header = $('#header');
-  var headerHeight = header.outerHeight();
-  var titleHeight = $('#header h1').outerHeight();
-  var fixedTop = -titleHeight;
-  var scrollTops = {
-    'edit' : 0,
-    'preview' : 0
-  };
-
-  var isEdited = false;
-
-  $(window).scroll(function() {
-    var scrollTop = $(window).scrollTop();
-    scrollTops[currentMode] = scrollTop;
-    if ((scrollTop > titleHeight)) {
-      header.css({
-        'position' : 'fixed',
-        'top' : fixedTop + 'px',
-        'z-index' : '100'
-      });
-
-      container.css({
-        'margin-top'  : headerHeight + 'px'
-      });
-
-    } else {
-      header.css('position', 'static');
-      container.css({
-        'margin-top'  : 0
-      });
-    }
-  });
-
-  $('#markdown').val(example);
-  $('#output').html(markdown.toHTML(example));
-  $('#markdown').bind('keyup', function() {
-    isEdited = true;
-    $('#output').html(markdown.toHTML($('#markdown').val()));
-  });
-
-  //menu
-  var menuItems = $('#menu a');
-  menuItems.click(function(event) {
-    event.preventDefault();
-
-    menuItems.removeClass('active');
-    var sender = $(event.currentTarget);
-    sender.addClass('active');
-
-    $('#content .mode').hide();
-    var menuId = sender.data('menuId');
-    currentMode = menuId;
-    $('#' + menuId).show();
-    $(window).scrollTop(scrollTops[currentMode]);
-
-  });
-
-  //reference
-  $("table#reference tr td:odd").each(function(index, element) {
-    var self = $(element);
-    if (self.html() === "") {
-      self.html(markdown.toHTML(self.siblings().html()));
-    }
-  });
-
-  //clear
-  $('#clearButton').click(function(event) {
-    event.preventDefault();
-    if (window.confirm('Are you sure you want to delete?')) {
-      $('#markdown').val('');
-    }
-  });
-
-  //autoresize
-  $('textarea').autosize();
-  
-  //$('#markdown').focus();
-
-  //leave
-  $(window).bind('beforeunload', function() {
-    if (isEdited) {
-      return 'Are you sure you want to leave? Your changes will be lost.';
-    }
-  });
-});

local-server.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+SCRIPT_DIR=$(cd $(dirname $0); pwd)
+pushd ./public
+python -m http.server 8000
+popd

public/404.html

@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Page Not Found</title>
+
+    <style media="screen">
+      body { background: #ECEFF1; color: rgba(0,0,0,0.87); font-family: Roboto, Helvetica, Arial, sans-serif; margin: 0; padding: 0; }
+      #message { background: white; max-width: 360px; margin: 100px auto 16px; padding: 32px 24px 16px; border-radius: 3px; }
+      #message h3 { color: #888; font-weight: normal; font-size: 16px; margin: 16px 0 12px; }
+      #message h2 { color: #ffa100; font-weight: bold; font-size: 16px; margin: 0 0 8px; }
+      #message h1 { font-size: 22px; font-weight: 300; color: rgba(0,0,0,0.6); margin: 0 0 16px;}
+      #message p { line-height: 140%; margin: 16px 0 24px; font-size: 14px; }
+      #message a { display: block; text-align: center; background: #039be5; text-transform: uppercase; text-decoration: none; color: white; padding: 16px; border-radius: 4px; }
+      #message, #message a { box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24); }
+      #load { color: rgba(0,0,0,0.4); text-align: center; font-size: 13px; }
+      @media (max-width: 600px) {
+        body, #message { margin-top: 0; background: white; box-shadow: none; }
+        body { border-top: 16px solid #ffa100; }
+      }
+    </style>
+  </head>
+  <body>
+    <div id="message">
+      <h2>404</h2>
+      <h1>Page Not Found</h1>
+      <p>The specified file was not found on this website. Please check the URL for mistakes and try again.</p>
+      <h3>Why am I seeing this?</h3>
+      <p>This page was generated by the Firebase Command-Line Interface. To modify it, edit the <code>404.html</code> file in your project's configured <code>public</code> directory.</p>
+    </div>
+  </body>
+</html>

public/css/github-markdown.css

@@ -0,0 +1,985 @@
+.markdown-body .octicon {
+  display: inline-block;
+  fill: currentColor;
+  vertical-align: text-bottom;
+}
+
+.markdown-body .anchor {
+  float: left;
+  line-height: 1;
+  margin-left: -20px;
+  padding-right: 4px;
+}
+
+.markdown-body .anchor:focus {
+  outline: none;
+}
+
+.markdown-body h1 .octicon-link,
+.markdown-body h2 .octicon-link,
+.markdown-body h3 .octicon-link,
+.markdown-body h4 .octicon-link,
+.markdown-body h5 .octicon-link,
+.markdown-body h6 .octicon-link {
+  color: #1b1f23;
+  vertical-align: middle;
+  visibility: hidden;
+}
+
+.markdown-body h1:hover .anchor,
+.markdown-body h2:hover .anchor,
+.markdown-body h3:hover .anchor,
+.markdown-body h4:hover .anchor,
+.markdown-body h5:hover .anchor,
+.markdown-body h6:hover .anchor {
+  text-decoration: none;
+}
+
+.markdown-body h1:hover .anchor .octicon-link,
+.markdown-body h2:hover .anchor .octicon-link,
+.markdown-body h3:hover .anchor .octicon-link,
+.markdown-body h4:hover .anchor .octicon-link,
+.markdown-body h5:hover .anchor .octicon-link,
+.markdown-body h6:hover .anchor .octicon-link {
+  visibility: visible;
+}
+
+.markdown-body h1:hover .anchor .octicon-link:before,
+.markdown-body h2:hover .anchor .octicon-link:before,
+.markdown-body h3:hover .anchor .octicon-link:before,
+.markdown-body h4:hover .anchor .octicon-link:before,
+.markdown-body h5:hover .anchor .octicon-link:before,
+.markdown-body h6:hover .anchor .octicon-link:before {
+  width: 16px;
+  height: 16px;
+  content: ' ';
+  display: inline-block;
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' version='1.1' width='16' height='16' aria-hidden='true'%3E%3Cpath fill-rule='evenodd' d='M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z'%3E%3C/path%3E%3C/svg%3E");
+}.markdown-body {
+  -ms-text-size-adjust: 100%;
+  -webkit-text-size-adjust: 100%;
+  line-height: 1.5;
+  color: #24292e;
+  font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;
+  font-size: 16px;
+  line-height: 1.5;
+  word-wrap: break-word;
+}
+
+.markdown-body details {
+  display: block;
+}
+
+.markdown-body summary {
+  display: list-item;
+}
+
+.markdown-body a {
+  background-color: initial;
+}
+
+.markdown-body a:active,
+.markdown-body a:hover {
+  outline-width: 0;
+}
+
+.markdown-body strong {
+  font-weight: inherit;
+  font-weight: bolder;
+}
+
+.markdown-body h1 {
+  font-size: 2em;
+  margin: .67em 0;
+}
+
+.markdown-body img {
+  border-style: none;
+}
+
+.markdown-body code,
+.markdown-body kbd,
+.markdown-body pre {
+  font-family: monospace,monospace;
+  font-size: 1em;
+}
+
+.markdown-body hr {
+  box-sizing: initial;
+  height: 0;
+  overflow: visible;
+}
+
+.markdown-body input {
+  font: inherit;
+  margin: 0;
+}
+
+.markdown-body input {
+  overflow: visible;
+}
+
+.markdown-body [type=checkbox] {
+  box-sizing: border-box;
+  padding: 0;
+}
+
+.markdown-body * {
+  box-sizing: border-box;
+}
+
+.markdown-body input {
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+}
+
+.markdown-body a {
+  color: #0366d6;
+  text-decoration: none;
+}
+
+.markdown-body a:hover {
+  text-decoration: underline;
+}
+
+.markdown-body strong {
+  font-weight: 600;
+}
+
+.markdown-body hr {
+  height: 0;
+  margin: 15px 0;
+  overflow: hidden;
+  background: transparent;
+  border: 0;
+  border-bottom: 1px solid #dfe2e5;
+}
+
+.markdown-body hr:after,
+.markdown-body hr:before {
+  display: table;
+  content: "";
+}
+
+.markdown-body hr:after {
+  clear: both;
+}
+
+.markdown-body table {
+  border-spacing: 0;
+  border-collapse: collapse;
+}
+
+.markdown-body td,
+.markdown-body th {
+  padding: 0;
+}
+
+.markdown-body details summary {
+  cursor: pointer;
+}
+
+.markdown-body kbd {
+  display: inline-block;
+  padding: 3px 5px;
+  font: 11px SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  line-height: 10px;
+  color: #444d56;
+  vertical-align: middle;
+  background-color: #fafbfc;
+  border: 1px solid #d1d5da;
+  border-radius: 3px;
+  box-shadow: inset 0 -1px 0 #d1d5da;
+}
+
+.markdown-body h1,
+.markdown-body h2,
+.markdown-body h3,
+.markdown-body h4,
+.markdown-body h5,
+.markdown-body h6 {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+.markdown-body h1 {
+  font-size: 32px;
+}
+
+.markdown-body h1,
+.markdown-body h2 {
+  font-weight: 600;
+}
+
+.markdown-body h2 {
+  font-size: 24px;
+}
+
+.markdown-body h3 {
+  font-size: 20px;
+}
+
+.markdown-body h3,
+.markdown-body h4 {
+  font-weight: 600;
+}
+
+.markdown-body h4 {
+  font-size: 16px;
+}
+
+.markdown-body h5 {
+  font-size: 14px;
+}
+
+.markdown-body h5,
+.markdown-body h6 {
+  font-weight: 600;
+}
+
+.markdown-body h6 {
+  font-size: 12px;
+}
+
+.markdown-body p {
+  margin-top: 0;
+  margin-bottom: 10px;
+}
+
+.markdown-body blockquote {
+  margin: 0;
+}
+
+.markdown-body ol,
+.markdown-body ul {
+  padding-left: 0;
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+.markdown-body ol ol,
+.markdown-body ul ol {
+  list-style-type: lower-roman;
+}
+
+.markdown-body ol ol ol,
+.markdown-body ol ul ol,
+.markdown-body ul ol ol,
+.markdown-body ul ul ol {
+  list-style-type: lower-alpha;
+}
+
+.markdown-body dd {
+  margin-left: 0;
+}
+
+.markdown-body code,
+.markdown-body pre {
+  font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  font-size: 12px;
+}
+
+.markdown-body pre {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+.markdown-body input::-webkit-inner-spin-button,
+.markdown-body input::-webkit-outer-spin-button {
+  margin: 0;
+  -webkit-appearance: none;
+  appearance: none;
+}
+
+.markdown-body :checked+.radio-label {
+  position: relative;
+  z-index: 1;
+  border-color: #0366d6;
+}
+
+.markdown-body .border {
+  border: 1px solid #e1e4e8!important;
+}
+
+.markdown-body .border-0 {
+  border: 0!important;
+}
+
+.markdown-body .border-bottom {
+  border-bottom: 1px solid #e1e4e8!important;
+}
+
+.markdown-body .rounded-1 {
+  border-radius: 3px!important;
+}
+
+.markdown-body .bg-white {
+  background-color: #fff!important;
+}
+
+.markdown-body .bg-gray-light {
+  background-color: #fafbfc!important;
+}
+
+.markdown-body .text-gray-light {
+  color: #6a737d!important;
+}
+
+.markdown-body .mb-0 {
+  margin-bottom: 0!important;
+}
+
+.markdown-body .my-2 {
+  margin-top: 8px!important;
+  margin-bottom: 8px!important;
+}
+
+.markdown-body .pl-0 {
+  padding-left: 0!important;
+}
+
+.markdown-body .py-0 {
+  padding-top: 0!important;
+  padding-bottom: 0!important;
+}
+
+.markdown-body .pl-1 {
+  padding-left: 4px!important;
+}
+
+.markdown-body .pl-2 {
+  padding-left: 8px!important;
+}
+
+.markdown-body .py-2 {
+  padding-top: 8px!important;
+  padding-bottom: 8px!important;
+}
+
+.markdown-body .pl-3,
+.markdown-body .px-3 {
+  padding-left: 16px!important;
+}
+
+.markdown-body .px-3 {
+  padding-right: 16px!important;
+}
+
+.markdown-body .pl-4 {
+  padding-left: 24px!important;
+}
+
+.markdown-body .pl-5 {
+  padding-left: 32px!important;
+}
+
+.markdown-body .pl-6 {
+  padding-left: 40px!important;
+}
+
+.markdown-body .f6 {
+  font-size: 12px!important;
+}
+
+.markdown-body .lh-condensed {
+  line-height: 1.25!important;
+}
+
+.markdown-body .text-bold {
+  font-weight: 600!important;
+}
+
+.markdown-body .pl-c {
+  color: #6a737d;
+}
+
+.markdown-body .pl-c1,
+.markdown-body .pl-s .pl-v {
+  color: #005cc5;
+}
+
+.markdown-body .pl-e,
+.markdown-body .pl-en {
+  color: #6f42c1;
+}
+
+.markdown-body .pl-s .pl-s1,
+.markdown-body .pl-smi {
+  color: #24292e;
+}
+
+.markdown-body .pl-ent {
+  color: #22863a;
+}
+
+.markdown-body .pl-k {
+  color: #d73a49;
+}
+
+.markdown-body .pl-pds,
+.markdown-body .pl-s,
+.markdown-body .pl-s .pl-pse .pl-s1,
+.markdown-body .pl-sr,
+.markdown-body .pl-sr .pl-cce,
+.markdown-body .pl-sr .pl-sra,
+.markdown-body .pl-sr .pl-sre {
+  color: #032f62;
+}
+
+.markdown-body .pl-smw,
+.markdown-body .pl-v {
+  color: #e36209;
+}
+
+.markdown-body .pl-bu {
+  color: #b31d28;
+}
+
+.markdown-body .pl-ii {
+  color: #fafbfc;
+  background-color: #b31d28;
+}
+
+.markdown-body .pl-c2 {
+  color: #fafbfc;
+  background-color: #d73a49;
+}
+
+.markdown-body .pl-c2:before {
+  content: "^M";
+}
+
+.markdown-body .pl-sr .pl-cce {
+  font-weight: 700;
+  color: #22863a;
+}
+
+.markdown-body .pl-ml {
+  color: #735c0f;
+}
+
+.markdown-body .pl-mh,
+.markdown-body .pl-mh .pl-en,
+.markdown-body .pl-ms {
+  font-weight: 700;
+  color: #005cc5;
+}
+
+.markdown-body .pl-mi {
+  font-style: italic;
+  color: #24292e;
+}
+
+.markdown-body .pl-mb {
+  font-weight: 700;
+  color: #24292e;
+}
+
+.markdown-body .pl-md {
+  color: #b31d28;
+  background-color: #ffeef0;
+}
+
+.markdown-body .pl-mi1 {
+  color: #22863a;
+  background-color: #f0fff4;
+}
+
+.markdown-body .pl-mc {
+  color: #e36209;
+  background-color: #ffebda;
+}
+
+.markdown-body .pl-mi2 {
+  color: #f6f8fa;
+  background-color: #005cc5;
+}
+
+.markdown-body .pl-mdr {
+  font-weight: 700;
+  color: #6f42c1;
+}
+
+.markdown-body .pl-ba {
+  color: #586069;
+}
+
+.markdown-body .pl-sg {
+  color: #959da5;
+}
+
+.markdown-body .pl-corl {
+  text-decoration: underline;
+  color: #032f62;
+}
+
+.markdown-body .mb-0 {
+  margin-bottom: 0!important;
+}
+
+.markdown-body .my-2 {
+  margin-bottom: 8px!important;
+}
+
+.markdown-body .my-2 {
+  margin-top: 8px!important;
+}
+
+.markdown-body .pl-0 {
+  padding-left: 0!important;
+}
+
+.markdown-body .py-0 {
+  padding-top: 0!important;
+  padding-bottom: 0!important;
+}
+
+.markdown-body .pl-1 {
+  padding-left: 4px!important;
+}
+
+.markdown-body .pl-2 {
+  padding-left: 8px!important;
+}
+
+.markdown-body .py-2 {
+  padding-top: 8px!important;
+  padding-bottom: 8px!important;
+}
+
+.markdown-body .pl-3 {
+  padding-left: 16px!important;
+}
+
+.markdown-body .pl-4 {
+  padding-left: 24px!important;
+}
+
+.markdown-body .pl-5 {
+  padding-left: 32px!important;
+}
+
+.markdown-body .pl-6 {
+  padding-left: 40px!important;
+}
+
+.markdown-body .pl-7 {
+  padding-left: 48px!important;
+}
+
+.markdown-body .pl-8 {
+  padding-left: 64px!important;
+}
+
+.markdown-body .pl-9 {
+  padding-left: 80px!important;
+}
+
+.markdown-body .pl-10 {
+  padding-left: 96px!important;
+}
+
+.markdown-body .pl-11 {
+  padding-left: 112px!important;
+}
+
+.markdown-body .pl-12 {
+  padding-left: 128px!important;
+}
+
+.markdown-body hr {
+  border-bottom-color: #eee;
+}
+
+.markdown-body kbd {
+  display: inline-block;
+  padding: 3px 5px;
+  font: 11px SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  line-height: 10px;
+  color: #444d56;
+  vertical-align: middle;
+  background-color: #fafbfc;
+  border: 1px solid #d1d5da;
+  border-radius: 3px;
+  box-shadow: inset 0 -1px 0 #d1d5da;
+}
+
+.markdown-body:after,
+.markdown-body:before {
+  display: table;
+  content: "";
+}
+
+.markdown-body:after {
+  clear: both;
+}
+
+.markdown-body>:first-child {
+  margin-top: 0!important;
+}
+
+.markdown-body>:last-child {
+  margin-bottom: 0!important;
+}
+
+.markdown-body a:not([href]) {
+  color: inherit;
+  text-decoration: none;
+}
+
+.markdown-body blockquote,
+.markdown-body details,
+.markdown-body dl,
+.markdown-body ol,
+.markdown-body p,
+.markdown-body pre,
+.markdown-body table,
+.markdown-body ul {
+  margin-top: 0;
+  margin-bottom: 16px;
+}
+
+.markdown-body hr {
+  height: .25em;
+  padding: 0;
+  margin: 24px 0;
+  background-color: #e1e4e8;
+  border: 0;
+}
+
+.markdown-body blockquote {
+  padding: 0 1em;
+  color: #6a737d;
+  border-left: .25em solid #dfe2e5;
+}
+
+.markdown-body blockquote>:first-child {
+  margin-top: 0;
+}
+
+.markdown-body blockquote>:last-child {
+  margin-bottom: 0;
+}
+
+.markdown-body h1,
+.markdown-body h2,
+.markdown-body h3,
+.markdown-body h4,
+.markdown-body h5,
+.markdown-body h6 {
+  margin-top: 24px;
+  margin-bottom: 16px;
+  font-weight: 600;
+  line-height: 1.25;
+}
+
+.markdown-body h1 {
+  font-size: 2em;
+}
+
+.markdown-body h1,
+.markdown-body h2 {
+  padding-bottom: .3em;
+  border-bottom: 1px solid #eaecef;
+}
+
+.markdown-body h2 {
+  font-size: 1.5em;
+}
+
+.markdown-body h3 {
+  font-size: 1.25em;
+}
+
+.markdown-body h4 {
+  font-size: 1em;
+}
+
+.markdown-body h5 {
+  font-size: .875em;
+}
+
+.markdown-body h6 {
+  font-size: .85em;
+  color: #6a737d;
+}
+
+.markdown-body ol,
+.markdown-body ul {
+  padding-left: 2em;
+}
+
+.markdown-body ol ol,
+.markdown-body ol ul,
+.markdown-body ul ol,
+.markdown-body ul ul {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+.markdown-body li {
+  word-wrap: break-all;
+}
+
+.markdown-body li>p {
+  margin-top: 16px;
+}
+
+.markdown-body li+li {
+  margin-top: .25em;
+}
+
+.markdown-body dl {
+  padding: 0;
+}
+
+.markdown-body dl dt {
+  padding: 0;
+  margin-top: 16px;
+  font-size: 1em;
+  font-style: italic;
+  font-weight: 600;
+}
+
+.markdown-body dl dd {
+  padding: 0 16px;
+  margin-bottom: 16px;
+}
+
+.markdown-body table {
+  display: block;
+  width: 100%;
+  overflow: auto;
+}
+
+.markdown-body table th {
+  font-weight: 600;
+}
+
+.markdown-body table td,
+.markdown-body table th {
+  padding: 6px 13px;
+  border: 1px solid #dfe2e5;
+}
+
+.markdown-body table tr {
+  background-color: #fff;
+  border-top: 1px solid #c6cbd1;
+}
+
+.markdown-body table tr:nth-child(2n) {
+  background-color: #f6f8fa;
+}
+
+.markdown-body img {
+  max-width: 100%;
+  box-sizing: initial;
+  background-color: #fff;
+}
+
+.markdown-body img[align=right] {
+  padding-left: 20px;
+}
+
+.markdown-body img[align=left] {
+  padding-right: 20px;
+}
+
+.markdown-body code {
+  padding: .2em .4em;
+  margin: 0;
+  font-size: 85%;
+  background-color: rgba(27,31,35,.05);
+  border-radius: 3px;
+}
+
+.markdown-body pre {
+  word-wrap: normal;
+}
+
+.markdown-body pre>code {
+  padding: 0;
+  margin: 0;
+  font-size: 100%;
+  word-break: normal;
+  white-space: pre;
+  background: transparent;
+  border: 0;
+}
+
+.markdown-body .highlight {
+  margin-bottom: 16px;
+}
+
+.markdown-body .highlight pre {
+  margin-bottom: 0;
+  word-break: normal;
+}
+
+.markdown-body .highlight pre,
+.markdown-body pre {
+  padding: 16px;
+  overflow: auto;
+  font-size: 85%;
+  line-height: 1.45;
+  background-color: #f6f8fa;
+  border-radius: 3px;
+}
+
+.markdown-body pre code {
+  display: inline;
+  max-width: auto;
+  padding: 0;
+  margin: 0;
+  overflow: visible;
+  line-height: inherit;
+  word-wrap: normal;
+  background-color: initial;
+  border: 0;
+}
+
+.markdown-body .commit-tease-sha {
+  display: inline-block;
+  font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  font-size: 90%;
+  color: #444d56;
+}
+
+.markdown-body .full-commit .btn-outline:not(:disabled):hover {
+  color: #005cc5;
+  border-color: #005cc5;
+}
+
+.markdown-body .blob-wrapper {
+  overflow-x: auto;
+  overflow-y: hidden;
+}
+
+.markdown-body .blob-wrapper-embedded {
+  max-height: 240px;
+  overflow-y: auto;
+}
+
+.markdown-body .blob-num {
+  width: 1%;
+  min-width: 50px;
+  padding-right: 10px;
+  padding-left: 10px;
+  font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  font-size: 12px;
+  line-height: 20px;
+  color: rgba(27,31,35,.3);
+  text-align: right;
+  white-space: nowrap;
+  vertical-align: top;
+  cursor: pointer;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+}
+
+.markdown-body .blob-num:hover {
+  color: rgba(27,31,35,.6);
+}
+
+.markdown-body .blob-num:before {
+  content: attr(data-line-number);
+}
+
+.markdown-body .blob-code {
+  position: relative;
+  padding-right: 10px;
+  padding-left: 10px;
+  line-height: 20px;
+  vertical-align: top;
+}
+
+.markdown-body .blob-code-inner {
+  overflow: visible;
+  font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  font-size: 12px;
+  color: #24292e;
+  word-wrap: normal;
+  white-space: pre;
+}
+
+.markdown-body .pl-token.active,
+.markdown-body .pl-token:hover {
+  cursor: pointer;
+  background: #ffea7f;
+}
+
+.markdown-body .tab-size[data-tab-size="1"] {
+  -moz-tab-size: 1;
+  tab-size: 1;
+}
+
+.markdown-body .tab-size[data-tab-size="2"] {
+  -moz-tab-size: 2;
+  tab-size: 2;
+}
+
+.markdown-body .tab-size[data-tab-size="3"] {
+  -moz-tab-size: 3;
+  tab-size: 3;
+}
+
+.markdown-body .tab-size[data-tab-size="4"] {
+  -moz-tab-size: 4;
+  tab-size: 4;
+}
+
+.markdown-body .tab-size[data-tab-size="5"] {
+  -moz-tab-size: 5;
+  tab-size: 5;
+}
+
+.markdown-body .tab-size[data-tab-size="6"] {
+  -moz-tab-size: 6;
+  tab-size: 6;
+}
+
+.markdown-body .tab-size[data-tab-size="7"] {
+  -moz-tab-size: 7;
+  tab-size: 7;
+}
+
+.markdown-body .tab-size[data-tab-size="8"] {
+  -moz-tab-size: 8;
+  tab-size: 8;
+}
+
+.markdown-body .tab-size[data-tab-size="9"] {
+  -moz-tab-size: 9;
+  tab-size: 9;
+}
+
+.markdown-body .tab-size[data-tab-size="10"] {
+  -moz-tab-size: 10;
+  tab-size: 10;
+}
+
+.markdown-body .tab-size[data-tab-size="11"] {
+  -moz-tab-size: 11;
+  tab-size: 11;
+}
+
+.markdown-body .tab-size[data-tab-size="12"] {
+  -moz-tab-size: 12;
+  tab-size: 12;
+}
+
+.markdown-body .task-list-item {
+  list-style-type: none;
+}
+
+.markdown-body .task-list-item+.task-list-item {
+  margin-top: 3px;
+}
+
+.markdown-body .task-list-item input {
+  margin: 0 .2em .25em -1.6em;
+  vertical-align: middle;
+}

public/css/style.css

@@ -0,0 +1,126 @@
+html, body {
+  position: relative;
+  color: #333;
+  overflow-x: hidden;
+  margin: 0;
+  padding: 0;
+  font-family: Helvetica, arial, freesans, clean, sans-serif;
+  font-size: 1em;
+  line-height: 1.5em;
+  background-color: #444;
+}
+
+h1, h2, h3, h4, h5, h6, p {
+  font-size: 1em;
+  margin: 0;
+  padding: 0;
+  font-weight: normal;
+}
+
+p {
+  margin: 1em;
+}
+
+a:link,
+a:visited,
+a:hover
+a:active {
+  color: #333;
+  text-decoration: none;
+}
+
+img {
+  border: none;
+}
+
+#header {
+  padding: 10px 0 ;
+  background-color: #444;
+  width: 100%;
+  text-align: center;
+}
+
+#header h1 a {
+  color: #fff;
+  font-size: 1.5em;
+}
+
+#container {
+  min-height: 100%;
+  height: auto !important;
+  height: 100%;
+  width: 960px;
+  padding: 20px;
+  margin: 0 auto;
+  background-color: #fff;
+  border-radius: 10px;
+}
+
+#container .section {
+  margin-bottom: 20px;
+}
+
+#content .mode {
+  border: 1px solid #ddd;
+  border-radius: 3px;
+  width: 465px;
+  display: inline-block;
+  vertical-align: top;
+}
+
+#content .mode .content {
+  padding: 10px;
+}
+
+#preview {
+  margin-left: 20px;
+}
+
+#leftColumn {
+  float: left;
+  width: 700px;
+}
+
+#rightColumn {
+  width: 240px;
+  float: right;
+}
+
+textarea#markdown {
+  padding: 0;
+  margin: 0;
+  width: 100%;
+  height: 400px;
+  overflow: auto;
+  font-size: 15px;
+  border: none;
+/*  border: 2px solid #D1D1BC;*/
+  resize: vertical;
+  outline: none;
+}
+ 
+
+#footer {
+  clear: both;
+  width: 100%;
+  padding: 10px;
+  background-color: #444;
+  color: #fff;
+  text-align: center;
+}
+
+#footer #copyright {
+  font-size: 12px;
+  color: #999;
+}
+
+
+#footer #copyright a {
+  font-size: 12px;
+  color: #999;
+}
+
+#footer #copyright a:hover {
+  color: #fff;
+  text-decoration: underline;
+}

public/index.html

@@ -0,0 +1,114 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
+    <meta http-equiv="content-language" content="en">
+    <meta http-equiv="content-script-type" content="text/javascript">
+    <meta http-equiv="content-style-type" content="text/css">
+    <meta name="description" content="This is the online markdown editor with live preview.">
+
+    <link rel="stylesheet" type="text/css" href="css/style.css">
+    <link rel="stylesheet" type="text/css" href="css/github-markdown.css">
+    <link rel="icon" type="image/png" href="favicon.png">
+
+    <script type="text/javascript" src="js/jquery-1.6.1.min.js"></script>
+    <script type="text/javascript" src="js/jquery.autosize-min.js"></script>
+    <script type="text/javascript" src="js/marked.min.js"></script>
+    <script type="text/javascript" src="js/purify.min.js"></script>
+    <script type="text/javascript" src="js/main.js"></script>
+
+    <title>Markdown Live Preview</title>
+  </head>
+  <body>
+
+    <div id="header">
+      <h1><a href="/">Markdown Live Preview</a></h1>
+    </div>
+
+    <div id="container">
+      <div id="content" class="section">
+
+        <div id="edit" class="mode">
+          <div class="content">
+            <textarea id="markdown">
+# Markdown syntax guide
+
+## Headers
+
+# This is a Heading h1
+## This is a Heading h2 
+###### This is a Heading h6
+
+## Emphasis
+
+*This text will be italic*  
+_This will also be italic_
+
+**This text will be bold**  
+__This will also be bold__
+
+_You **can** combine them_
+
+## Lists
+
+### Unordered
+
+* Item 1
+* Item 2
+  * Item 2a
+  * Item 2b
+
+### Ordered
+
+1. Item 1
+1. Item 2
+1. Item 3
+   1. Item 3a
+   1. Item 3b
+
+## Images
+
+![This is a alt text.](/image/sample.png "This is a sample image.")
+
+## Links
+
+You may be using [Markdown Live Preview](https://markdownlivepreview.com/).
+
+## Blockquotes
+
+> Markdown is a lightweight markup language with plain-text-formatting syntax, created in 2004 by John Gruber with Aaron Swartz.
+>
+>> Markdown is often used to format readme files, for writing messages in online discussion forums, and to create rich text using a plain text editor.
+
+## Inline code
+
+This web site is using `markedjs/marked`.</textarea>
+          </div>
+        </div>
+
+        <div id="preview" class="mode">
+          <div id="output" class="content markdown-body">
+          </div>
+        </div>
+
+      </div>
+    </div>
+
+    <div id="footer">
+      <div id="copyright"><a href="https://github.com/tanabe/markdown-live-preview"><img src="image/GitHub-Mark-Light-32px.png"></a></div>
+    </div>
+
+    <script type="text/javascript">
+      var _gaq = _gaq || [];
+      _gaq.push(['_setAccount', 'UA-73660-14']);
+      _gaq.push(['_trackPageview']);
+
+      (function() {
+        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
+      })();
+    </script>
+
+  </body>
+</html>

public/js/main.js

@@ -0,0 +1,32 @@
+$(function() {
+  var isEdited = false;
+
+  let convert = () => {
+    let html = marked($('#markdown').val());
+    let sanitized = DOMPurify.sanitize(html);
+    $('#output').html(sanitized);
+  }
+
+  $('#markdown').bind('keyup', function() {
+    isEdited = true;
+    convert();
+    $('#output a').each(function(index, element) {
+        var href = element.getAttribute('href');
+        if (RegExp('^javascript', 'i').test(href)) {
+            element.setAttribute('href', '#');
+        }
+    });
+  });
+
+  //autoresize
+  $('textarea').autosize();
+  
+  //leave
+  $(window).bind('beforeunload', function() {
+    if (isEdited) {
+      return 'Are you sure you want to leave? Your changes will be lost.';
+    }
+  });
+
+  convert();
+});