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* Fix math and mermaid rendering bugs (#24049)silverwind2023-04-171-26/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. Fix multiple error display for math and mermaid: ![err](https://user-images.githubusercontent.com/115237/231126411-8a21a777-cd53-4b7e-ac67-5332623106e8.gif) 2. Fix height calculation of certain mermaid diagrams by reading the iframe inner height from it's document instead of parsing it from SVG: Before: <img width="866" alt="Screenshot 2023-04-11 at 11 56 27" src="https://user-images.githubusercontent.com/115237/231126480-b194e02b-ea8c-4ddf-8c79-50c525815d92.png"> After: <img width="855" alt="Screenshot 2023-04-11 at 11 56 35" src="https://user-images.githubusercontent.com/115237/231126494-5fe86a48-8d21-455a-8b95-79b6ee27a16f.png"> 3. Refactor error handling to a common function 4. Rename to `renderAsciicast` for consistency 5. Improve mermaid loading sequence Note: I did try `securityLevel: 'sandbox'` to make mermaid output a iframe directly, but that showed a bug in mermaid where the iframe style height was set incorrectly. Opened https://github.com/mermaid-js/mermaid/issues/4289 for this. --------- Co-authored-by: Giteabot <teabot@gitea.io>
* update to mermaid v10 (#23178)techknowlogick2023-03-041-21/+20
| | | | | | | fix #23153 --------- Co-authored-by: silverwind <me@silverwind.io>
* Move helpers to be prefixed with `gt-` (#22879)zeripath2023-02-131-1/+1
| | | | | | | | | | | | | | | | | | | | As discussed in #22847 the helpers in helpers.less need to have a separate prefix as they are causing conflicts with fomantic styles This will allow us to have the `.gt-hidden { display:none !important; }` style that is needed to for the reverted PR. Of note in doing this I have noticed that there was already a conflict with at least one chroma style which this PR now avoids. I've also added in the `gt-hidden` style that matches the tailwind one and switched the code that needed it to use that. Signed-off-by: Andrew Thornton <art27@cantab.net> --------- Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
* Add Mermaid copy button, avoid unnecessary tooltip hide (#22225)silverwind2022-12-251-1/+9
| | | | | | | | | | | | | - Add Copy button to mermaid diagrams which copies their source. - Set tippy to not hide on click and avoid tooltip re-creation for temporary tooltips. This avoids hide and show when copying repo url. Popovers still hide the tooltip as usual. <img width="815" alt="Screenshot 2022-12-23 at 14 02 32" src="https://user-images.githubusercontent.com/115237/209341696-98e30953-f246-46d9-9157-2ececfd791c9.png"> Co-authored-by: Lauris BH <lauris@nix.lv> Co-authored-by: KN4CK3R <admin@oldschoolhack.me>
* Fix scroll over mermaid frame (#21925)silverwind2022-11-241-1/+1
| | | | | | | | | | When starting a scroll while the mouse is over a mermaid diagram, the scroll sometimes propagates to the iframe, preventing the parent page from scrolling. Fix this by disabling scroll inside the iframe. This is not a problem because those frames are never meant to scroll. Bug seems to affect Firefox only. ![scroll](https://user-images.githubusercontent.com/115237/203847578-6831e3c8-9df4-4577-8501-822fb9ea1278.gif)
* Fix opaque background on mermaid diagrams (#21642)silverwind2022-10-311-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | Browsers introduce a opaque background on iframes if the iframe element's color-scheme does not match the document's color scheme which in case of a dark theme results in a mismatch and the browser adds a white background. Avoid this by specifying the same color scheme outside and inside the iframe. See https://fvsch.com/transparent-iframes for more info. My initial attempt was to make the iframe document the same color-scheme as the parent page (light or dark) but with that, there was a ugly background flash on load in Chrome because Chrome apparently always loads iframe in light scheme initially. Firefox still shows a background flash on load but this is not possible to get rid of and it's certainly a browser bug. Before: <img width="1147" alt="Screen Shot 2022-10-31 at 13 30 55" src="https://user-images.githubusercontent.com/115237/199017132-9828aace-bdd0-4ede-8118-359e72bcf2fe.png"> After: <img width="1152" alt="Screen Shot 2022-10-31 at 13 30 36" src="https://user-images.githubusercontent.com/115237/199017137-989a9e67-3fe0-445f-a191-df5bf290dabf.png">
* Fix mermaid-related bugs (#21431)silverwind2022-10-151-1/+1
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* Various Mermaid improvements (#18776)silverwind2022-02-161-15/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Various Mermaid improvments - Render into iframe for improved security - Use built-in dark theme instead of color inversion - Remove flexbox attributes, resulting in more consistent size rendering - Update API usage and update to latest version * restart ci * misc tweaks * remove unneccesary declaration * make it work without allow-same-origin, add loading=lazy * remove loading attribute, does not seem to work * rename variable * skip roundtrip to DOM for rendering * don't guess chart height * update comment to make it clear it's intentional * tweak * replace deprecated 'scrolling' property * remove unused css file Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
* Add copy button to markdown code blocks (#17638)silverwind2021-11-161-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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>
* Frontend refactor, PascalCase to camelCase, remove unused code (#17365)wxiaoguang2021-10-211-3/+3
| | | | | * Frontend refactor, PascalCase to camelCase, remove unused code * fix
* Update JS dependencies (#17357)silverwind2021-10-191-1/+1
| | | | | | | | | | | | | * Update JS dependencies - Upgrade to eslint 8 and add new plugin rules - Adapt to various API changes - Rebuild SVGs * fix webpack warning on license * order options alphabetically Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
* Make Mermaid.js limit configurable (#16519)zeripath2021-07-241-3/+3
| | | | | | | | | | | | | | | | | | | | | | | * Make Mermaid.js limit configurable Add `MERMAID_MAX_SOURCE_CHARACTERS` to `[markup]` settings to make the maximum size of a mermaid render configurable. Fix #16513 Signed-off-by: Andrew Thornton <art27@cantab.net> * fixup! Make Mermaid.js limit configurable * Update custom/conf/app.example.ini Co-authored-by: silverwind <me@silverwind.io> * Update docs/content/doc/advanced/config-cheat-sheet.en-us.md Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
* Use a generic markup class to display externally rendered files and diffs ↵65432021-05-071-0/+56
(#15735) * creates and implements generic markup less class * How to give custom CSS to externally rendered html * Clarifies sources of CSS styling of markup * further clarification of sources of markup styling * rename _markdown to _markup * remove defunct import * fix orphaned reference * Update docs/content/doc/advanced/external-renderers.en-us.md * more renames markdown -> markup * do not suggest less customization * add back tokens * fix class whitespace, remove useless if-clause * remove unused csv-data rules * use named exports and rename functions * sort imports Co-authored-by: HarvsG <11440490+HarvsG@users.noreply.github.com> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: silverwind <me@silverwind.io>
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