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Add copy button to markdown code blocks (#17638)

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* Add copy button to markdown code blocks

Done mostly in JS because I think it's better not to try getting buttons
past the markup sanitizer.

* add svg module tests

* fix sanitizer regexp

* remove outdated comment

* vertically center button in issue comments as well

* add comment to css

* fix undefined on view file line copy

* combine animation less files

* Update modules/markup/markdown/markdown.go

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

* add test for different sizes

* add cloneNode and add tests for it

* use deep clone

* remove useless optional chaining

* remove the svg node cache

* unify clipboard copy string and i18n

* remove unused var

* remove unused localization

* minor css tweaks to the button

* comment tweak

* remove useless attribute

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
silverwind 2021-11-16 09:16:05 +01:00 • committed by GitHub
parent d789670894
commit 23bd7b1211
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19 changed files with 140 additions and 44 deletions
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34
web_src/less/features/animations.less
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@ -1,34 +0,0 @@
@keyframes isloadingspin {
0% { transform: translate(-50%, -50%) rotate(0deg); }
100% { transform: translate(-50%, -50%) rotate(360deg); }
}
.is-loading {
background: transparent !important;
color: transparent !important;
border: transparent !important;
pointer-events: none !important;
position: relative !important;
overflow: hidden !important;
}
.is-loading::after {
content: "";
position: absolute;
display: block;
width: 4rem;
height: 4rem;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
animation: isloadingspin 500ms infinite linear;
border-width: 4px;
border-style: solid;
border-color: #ececec #ececec #666 #666;
border-radius: 100%;
}
.markup pre.is-loading,
.editor-loading.is-loading {
height: 12rem;
}