text: const app = {}
  app.content = {}//$CONTENT //- filled during build time
  
  document.addEventListener("DOMContentLoaded", function(){
    const lyricNodes = document.querySelectorAll('[data-lyrics]')
    const sanitize = function (lyricName) {
      let sanitizedName = lyricName || ''
      sanitizedName = sanitizedName.replace('.md', '')
      return sanitizedName
    }
  
    function insertContent (node) {
      const lyricName = sanitize(node.dataset.lyrics)
      node.innerHTML = app.content[lyricName+'.html'];
    }
  
    lyricNodes.forEach(insertContent)
  })
  