wrapper bash script around macdown to add support for generating diagrams from code blocks using mermaid

macdown

#! /bin/bash

TEMPLATE_PATH="/Applications/MacDown.app/Contents/Resources/Templates/Default.handlebars"

if [[ ! -f ${TEMPLATE_PATH}-original ]]; then

  cp "${TEMPLATE_PATH}" "${TEMPLATE_PATH}-original"

else

  cp "${TEMPLATE_PATH}-original" "${TEMPLATE_PATH}"

fi

sed -i '-original' -e 's|^</body>$||g' $TEMPLATE_PATH
sed -i '' -e 's|^</html>$||g' $TEMPLATE_PATH

cat >> $TEMPLATE_PATH << EOF
<script src="https://cdn.rawgit.com/knsv/mermaid/0.5.1/dist/mermaid.js"></script>
<script>
!function(){
  var uml,containerElement,
    umlElement=document.querySelector(".language-mermaid-uml");
  while(umlElement){
    uml=umlElement.innerHTML;
    containerElement = umlElement.parentNode.parentNode;
    containerElement.className = "mermaid";
    containerElement.innerHTML=uml;
    umlElement=document.querySelector(".language-mermaid-uml");
  }
}();

mermaid.initialize({startOnLoad:true});
</script>

</body>

</html>

EOF

open "/Applications/MacDown.app"