diff options
Diffstat (limited to 'src/Text/Pandoc')
| -rw-r--r-- | src/Text/Pandoc/Options.hs | 1 | ||||
| -rw-r--r-- | src/Text/Pandoc/Writers/HTML.hs | 19 |
2 files changed, 20 insertions, 0 deletions
diff --git a/src/Text/Pandoc/Options.hs b/src/Text/Pandoc/Options.hs index 84ccbbdc9..ebfd8f8a9 100644 --- a/src/Text/Pandoc/Options.hs +++ b/src/Text/Pandoc/Options.hs @@ -251,6 +251,7 @@ data HTMLMathMethod = PlainMath | WebTeX String -- url of TeX->image script. | MathML (Maybe String) -- url of MathMLinHTML.js | MathJax String -- url of MathJax.js + | KaTeX String String -- url of stylesheet and katex.js deriving (Show, Read, Eq) data CiteMethod = Citeproc -- use citeproc to render them diff --git a/src/Text/Pandoc/Writers/HTML.hs b/src/Text/Pandoc/Writers/HTML.hs index 8106806cf..652fc979f 100644 --- a/src/Text/Pandoc/Writers/HTML.hs +++ b/src/Text/Pandoc/Writers/HTML.hs @@ -157,6 +157,10 @@ pandocToHtml opts (Pandoc meta blocks) = do H.script ! A.src (toValue url) ! A.type_ "text/javascript" $ mempty + KaTeX js css -> + (H.script ! A.src (toValue js) $ mempty) <> + (H.link ! A.rel "stylesheet" ! A.href (toValue css)) <> + (H.script ! A.type_ "text/javascript" $ toHtml renderKaTeX) _ -> case lookup "mathml-script" (writerVariables opts) of Just s | not (writerHtml5 opts) -> H.script ! A.type_ "text/javascript" @@ -728,6 +732,10 @@ inlineToHtml opts inline = case t of InlineMath -> "\\(" ++ str ++ "\\)" DisplayMath -> "\\[" ++ str ++ "\\]" + KaTeX _ _ -> return $ H.span ! A.class_ "math" $ + toHtml (case t of + InlineMath -> str + DisplayMath -> "\\displaystyle " ++ str) PlainMath -> do x <- inlineListToHtml opts (texMathToInlines t str) let m = H.span ! A.class_ "math" $ x @@ -829,3 +837,14 @@ blockListToNote opts ref blocks = Just EPUB3 -> noteItem ! customAttribute "epub:type" "footnote" _ -> noteItem return $ nl opts >> noteItem' + +-- Javascript snippet to render all KaTeX elements +renderKaTeX :: String +renderKaTeX = unlines [ + "window.onload = function(){var mathElements = document.getElementsByClassName(\"math\");" + , "for (var i=0; i < mathElements.length; i++)" + , "{" + , " var texText = mathElements[i].firstChild" + , " katex.render(texText.data, mathElements[i])" + , "}}" + ] |