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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* remove outdated comment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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web_src/js/svg.test.js Normal file
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import {svg} from './svg.js';
test('svg', () => {
expect(svg('octicon-repo')).toStartWith('<svg');
expect(svg('octicon-repo', 16)).toInclude('width="16"');
expect(svg('octicon-repo', 32)).toInclude('width="32"');
});