Basic markdown renderer (#197)

* Add basic markdown it rendering
* Add markdown preview
* Add embedings for vimeo, youtube, gist
* Add support for legacy shortcodes and link detection
* Set "both" as editor default
* Add markdown-it-task-lists
* Add twemoji
* Changed SlideShare short-code behaviour from embedding to generating a link
* Extract markdown it parser debugger into separate component
* Deactivate markdown it linkify for now
* Add link safety attributes
* Add one-click-embedding component and use it
* Added embedding changes and deprecations to CHANGELOG.md

Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de>
Co-authored-by: Philip Molares <philip@mauricedoepke.de>
Co-authored-by: Erik Michelson <github@erik.michelson.eu>
This commit is contained in:
mrdrogdrog 2020-06-20 00:44:18 +02:00 committed by GitHub
parent 8ba2be7c70
commit 7189a63618
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31 changed files with 637 additions and 16 deletions

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.one-click-embedding {
position: relative;
cursor: pointer;
width: 100%;
overflow: hidden;
.one-click-embedding-icon {
display: inline;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
color: white;
opacity: 0.4;
transition: opacity 0.2s;
text-shadow: #000000 0 0 5px;
}
&:hover > i {
opacity: 0.8;
text-shadow: #000000 0 0 10px;
}
.one-click-embedding-preview {
background: none;
height: 100%;
object-fit: contain;
}
}