Refactor server with Sequelize ORM, refactor server configs, now will show note status (created or updated) and support docs (note alias)

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Cheng-Han, Wu
2016-04-20 18:03:55 +08:00
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Features
===
Introduction
===
<i class="fa fa-file-text"></i> **HackMD** is a realtime collaborate markdown note in all platforms.
This mean you can do some notes with any other in **Desktop, Tablet or even Phone**.
You can Sign in via **Facebook, Twitter, GitHub, Dropbox** in the **[homepage](/)**.
This service still in early stage, might be buggy or crash.
Please report issue in [GitHub](https://github.com/hackmdio/hackmd).
If you need instant help, please use [Facebook Message](https://www.facebook.com/messages/866415986748945).
**Thank you very much!**
Workspace
===
## Modes
**Desktop & Tablet**
<i class="fa fa-edit fa-fw"></i> Edit: See only the editor.
<i class="fa fa-eye fa-fw"></i> View: See only the result.
<i class="fa fa-columns fa-fw"></i> Both: See both in split view.
**Mobile**
<i class="fa fa-toggle-on fa-fw"></i> View: See only the result.
<i class="fa fa-toggle-off fa-fw"></i> Edit: See only the editor.
## Upload image
You can simply press the camera button <i class="fa fa-camera"></i>.
Or **drag-n-drop** image in editor, even **paste** image works!
It will automatically upload to **[imgur](http://imgur.com)**, nothing to worry :tada:
![](http://i.imgur.com/9cgQVqD.png)
## Share note
If you want to share a **editable** note, just copy the url.
If you want to share a **read-only** note, simply press share button <i class="fa fa-share-alt"></i> and copy the url.
## Save
Currently, you can save to **Dropbox** <i class="fa fa-dropbox"></i> or save as **.md** <i class="fa fa-file-text"></i> to local.
## Import
Like save feature, you can also import **.md** from **Dropbox** <i class="fa fa-dropbox"></i>.
Or import from your **Clipboard** <i class="fa fa-clipboard"></i>, and that can parse some **html** which might be useful :smiley:
## Permission
There is a little button on the top right of the view.
You can change the permission via theres options.
It might be one of below:
<i class="fa fa-leaf fa-fw"></i> Freely: Anyone can edit this note.
<i class="fa fa-pencil fa-fw"></i> Editable: Signed user can edit this note.
<i class="fa fa-lock fa-fw"></i> Locked: Only owner can edit this note.
<i class="fa fa-hand-stop-o fa-fw"></i> Private: Only owner can view and edit this note.
**Only the owner of the note can change the permission**
## Embed
```xml
<iframe width="100%" height="500" src="http://hackmd.io/features" frameborder="0"></iframe>
```
## [Slide Mode](./slide-example)
You can use some syntax to divide your note into slides.
Then use **Slide Mode** <i class="fa fa-tv"></i> to made a presentation.
Visit above link for detail.
View
===
## Table of content
You can look at bottom right place of the view area, there is a TOC button <i class="fa fa-bars"></i>.
Press that will show current table of content and will emphasis which your section on.
Support up to **three header levels**.
## Permalink
Every header will automatically add a permalink on the right side.
You can hover and click <i class="fa fa-chain"></i> to anchor on it.
Edit
===
## Shortcut keys
Just like sublime text, which is pretty quick and convinent.
> For more infomations, see [here](https://codemirror.net/demo/sublime.html).
## Auto complete
This editor provide full auto complete hint of markdown.
- Emojis: type `:` to show hint.
- Code blocks: type ` ``` ` and plus a character to show hint. <i hidden>```</i>
- Headers: type `#` to show hint.
- Referrals: type `[]` to show hint.
- Externals: type `{}` to show hint.
- Images: type `!` to show hint.
## Title
This will take the first **level 1 header** as the note title.
## Tags
Using tags like below, these will show in your **history**.
###### tags: `features` `cool` `updated`
## [YAML metadata](./yaml-metadata)
Provide advanced note information to set the browse behavior, visit above link for detail
- robots: set web robots meta
- lang: set browse language
- dir: set text direction
- breaks: set to use line breaks or not
- mathjax: set to parse mathjax or not
## Emoji
You can type any emoji like this :smile: :smiley: :cry: :wink:
> See full emoji list [here](http://www.emoji-cheat-sheet.com/)
## Todo List
- [ ] Todos
- [x] Buy some salad
- [ ] Brush teeth
- [x] Drink some water
## Code block
We support many code languages, use the auto complete to see the list.
```javascript=
var s = "JavaScript syntax highlighting";
alert(s);
function $initHighlight(block, cls) {
try {
if (cls.search(/\bno\-highlight\b/) != -1)
return process(block, true, 0x0F) +
' class=""';
} catch (e) {
/* handle exception */
}
for (var i = 0 / 2; i < classes.length; i++) {
if (checkCondition(classes[i]) === undefined)
return /\d+[\s/]/g;
}
}
```
> If you want **line numbers**, type `=` after specify the code block languagues.
> Also, you can specify the start line number.
> Like below, the line number starts from 101:
```javascript=101
var s = "JavaScript syntax highlighting";
alert(s);
function $initHighlight(block, cls) {
try {
if (cls.search(/\bno\-highlight\b/) != -1)
return process(block, true, 0x0F) +
' class=""';
} catch (e) {
/* handle exception */
}
for (var i = 0 / 2; i < classes.length; i++) {
if (checkCondition(classes[i]) === undefined)
return /\d+[\s/]/g;
}
}
```
> Or you might want to continue the previous code block line number, use `=+`
```javascript=+
var s = "JavaScript syntax highlighting";
alert(s);
```
### Blockquotes tags
> Using like below to specifiy your **name, time and color** to differ the blockquotes.
> [name=ChengHan Wu] [time=Sun, Jun 28, 2015 9:59 PM] [color=#907bf7]
> > Even support the nest blockquotes!
> > [name=ChengHan Wu] [time=Sun, Jun 28, 2015 10:00 PM] [color=red]
## Externals
### Youtube
{%youtube 1G4isv_Fylg %}
### Vimeo
{%vimeo 124148255 %}
### Gist
{%gist schacon/4277%}
### SlideShare
{%slideshare briansolis/26-disruptive-technology-trends-2016-2018-56796196 %}
### Speakerdeck
{%speakerdeck sugarenia/xxlcss-how-to-scale-css-and-keep-your-sanity %}
## MathJax
You can render *LaTeX* mathematical expressions using **MathJax**, as on [math.stackexchange.com](http://math.stackexchange.com/):
The *Gamma function* satisfying $\Gamma(n) = (n-1)!\quad\forall n\in\mathbb N$ is via the Euler integral
$$
x = {-b \pm \sqrt{b^2-4ac} \over 2a}.
$$
$$
\Gamma(z) = \int_0^\infty t^{z-1}e^{-t}dt\,.
$$
> More information about **LaTeX** mathematical expressions [here](http://meta.math.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-reference).
## UML diagrams
### Sequence diagrams
You can render sequence diagrams like this:
```sequence
Alice->Bob: Hello Bob, how are you?
Note right of Bob: Bob thinks
Bob-->Alice: I am good thanks!
Note left of Alice: Alice responds
Alice->Bob: Where have you been?
```
### Flow charts
And flow charts like this:
```flow
st=>start: Start
e=>end: End
op=>operation: My Operation
op2=>operation: lalala
cond=>condition: Yes or No?
st->op->op2->cond
cond(yes)->e
cond(no)->op2
```
### Graphviz
```graphviz
digraph hierarchy {
nodesep=1.0 // increases the separation between nodes
node [color=Red,fontname=Courier,shape=box] //All nodes will this shape and colour
edge [color=Blue, style=dashed] //All the lines look like this
Headteacher->{Deputy1 Deputy2 BusinessManager}
Deputy1->{Teacher1 Teacher2}
BusinessManager->ITManager
{rank=same;ITManager Teacher1 Teacher2} // Put them on the same level
}
```
### Mermaid
```mermaid
gantt
title A Gantt Diagram
section Section
A task :a1, 2014-01-01, 30d
Another task :after a1 , 20d
section Another
Task in sec :2014-01-12 , 12d
anther task : 24d
```
> More information about **Sequence diagrams** syntax [here](http://bramp.github.io/js-sequence-diagrams/).
> More information about **Flow charts** syntax [here](http://adrai.github.io/flowchart.js/).
> More information about **Graphviz** syntax [here](http://www.tonyballantyne.com/graphs.html)
> More information about **Mermaid** syntax [here](http://knsv.github.io/mermaid)
Alert area
---
:::success
Yes :tada:
:::
:::info
This is a message :mega:
:::
:::warning
Watch out :zap:
:::
:::danger
Oh No :fire:
:::
## Typography
### Headers
```
# h1 Heading
## h2 Heading
### h3 Heading
#### h4 Heading
##### h5 Heading
###### h6 Heading
```
### Horizontal rules
___
---
***
### Typographic replacements
Enable typographer option to see result.
(c) (C) (r) (R) (tm) (TM) (p) (P) +-
test.. test... test..... test?..... test!....
!!!!!! ???? ,,
Remarkable -- awesome
"Smartypants, double quotes"
'Smartypants, single quotes'
### Emphasis
**This is bold text**
__This is bold text__
*This is italic text*
_This is italic text_
~~Deleted text~~
lu~lala~
Superscript: 19^th^
Subscript: H~2~O
++Inserted text++
==Marked text==
### Blockquotes
> Blockquotes can also be nested...
>> ...by using additional greater-than signs right next to each other...
> > > ...or with spaces between arrows.
### Lists
#### Unordered
+ Create a list by starting a line with `+`, `-`, or `*`
+ Sub-lists are made by indenting 2 spaces:
- Marker character change forces new list start:
* Ac tristique libero volutpat at
+ Facilisis in pretium nisl aliquet
- Nulla volutpat aliquam velit
+ Very easy!
#### Ordered
1. Lorem ipsum dolor sit amet
2. Consectetur adipiscing elit
3. Integer molestie lorem at massa
1. You can use sequential numbers...
1. ...or keep all the numbers as `1.`
1. feafw
2. 332
3. 242
4. 2552
1. e2
Start numbering with offset:
57. foo
1. bar
### Code
Inline `code`
Indented code
// Some comments
line 1 of code
line 2 of code
line 3 of code
Block code "fences"
```
Sample text here...
```
Syntax highlighting
``` js
var foo = function (bar) {
return bar++;
};
console.log(foo(5));
```
### Tables
| Option | Description |
| ------ | ----------- |
| data | path to data files to supply the data that will be passed into templates. |
| engine | engine to be used for processing templates. Handlebars is the default. |
| ext | extension to be used for dest files. |
Right aligned columns
| Option | Description |
| ------:| -----------:|
| data | path to data files to supply the data that will be passed into templates. |
| engine | engine to be used for processing templates. Handlebars is the default. |
| ext | extension to be used for dest files. |
Left aligned columns
| Option | Description |
|:------ |:----------- |
| data | path to data files to supply the data that will be passed into templates. |
| engine | engine to be used for processing templates. Handlebars is the default. |
| ext | extension to be used for dest files. |
Center aligned columns
| Option | Description |
|:------:|:-----------:|
| data | path to data files to supply the data that will be passed into templates. |
| engine | engine to be used for processing templates. Handlebars is the default. |
| ext | extension to be used for dest files. |
### Links
[link text](http://dev.nodeca.com)
[link with title](http://nodeca.github.io/pica/demo/ "title text!")
Autoconverted link https://github.com/nodeca/pica
### Images
![Minion](https://octodex.github.com/images/minion.png)
![Stormtroopocat](https://octodex.github.com/images/stormtroopocat.jpg "The Stormtroopocat")
Like links, Images also have a footnote style syntax
![Alt text][id]
With a reference later in the document defining the URL location:
[id]: https://octodex.github.com/images/dojocat.jpg "The Dojocat"
### Footnotes
Footnote 1 link[^first].
Footnote 2 link[^second].
Inline footnote^[Text of inline footnote] definition.
Duplicated footnote reference[^second].
[^first]: Footnote **can have markup**
and multiple paragraphs.
[^second]: Footnote text.
### Definition lists
Term 1
: Definition 1
with lazy continuation.
Term 2 with *inline markup*
: Definition 2
{ some code, part of Definition 2 }
Third paragraph of definition 2.
_Compact style:_
Term 1
~ Definition 1
Term 2
~ Definition 2a
~ Definition 2b
### Abbreviations
This is HTML abbreviation example.
It converts "HTML", but keep intact partial entries like "xxxHTMLyyy" and so on.
*[HTML]: Hyper Text Markup Language

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Slide example
===
This feature still in beta, may have some issues.
For details:
https://github.com/hakimel/reveal.js/
---
## First slide
`---`
Is the divder of slides
----
### First branch of fisrt slide
`----`
Is the divder of branches
----
### Second branch of first slide
`<!-- .element: class="fragment" data-fragment-index="1" -->`
Is the fragment syntax
- Item 1<!-- .element: class="fragment" data-fragment-index="1" -->
- Item 2<!-- .element: class="fragment" data-fragment-index="2" -->
---
## Second slide
<!-- .slide: data-background="#1A237E" -->
`<!-- .slide: data-background="#1A237E" -->`
Is the background syntax
---
<!-- .slide: data-transition="zoom" -->
`<!-- .slide: data-transition="zoom" -->`
Is the transition syntax
you can use:
none/fade/slide/convex/concave/zoom
---
<!-- .slide: data-transition="fade-in convex-out" -->
`<!-- .slide: data-transition="fade-in convex-out" -->`
Also can set different in/out transition
you can use:
none/fade/slide/convex/concave/zoom
postfix with `-in` or `-out`
---
<!-- .slide: data-transition-speed="fast" -->
`<!-- .slide: data-transition-speed="fast" -->`
Custom the transition speed!
you can use:
default/fast/slow
---
# The End

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---
robots: index, follow
lang: en
dir: ltr
breaks: true
---
Supported YAML metadata
===
First you need to insert syntax like this at the **start** of the note:
```
---
YAML metas
---
```
Replace the "YAML metas" in this section with any YAML options as below.
You can also refer to this note's source code.
robots
---
This option will give below meta in the note head meta:
```xml
<meta name="robots" content="your_meta">
```
So you can prevent any search engine index your note by set `noindex, nofollow`.
> default: not
**Example**
```xml
robots: noindex, nofollow
```
lang
---
This option will set the language of the note, that might alter some typography of it.
You can find your the language code in ISO 639-1 standard:
https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes
> default: not set (which will be en)
**Example**
```xml
langs: ja-jp
```
dir
---
This option provide to describe the direction of the text in this note.
You can only use whether `rtl` or `ltr`.
Look more at here:
http://www.w3.org/International/questions/qa-html-dir
> default: not set (which will be ltr)
**Example**
```xml
dir: rtl
```
breaks
---
This option means the hardbreaks in the note will be parsed or be ignore.
The original markdown syntax breaks only if you put space twice, but HackMD choose to breaks every time you enter a break.
You can only use whether `true` or `false`.
> default: not set (which will be true)
**Example**
```xml
breaks: false
```
mathjax
---
This option let you to choose to parse mathjax syntax or not.
> default: not set (which will be true)
**Example**
```xml
mathjax: false
```
spellcheck
---
**Warning: Experimental feature!**
This option let you to choose to enable spell checking feature or not.
> default: not set (which will be false)
**Example**
```xml
spellcheck: true
```