function about()

in appscript/main.gs [305:323]
18 lines of code
1 McCabe index (conditional complexity)

function about() {
  let url = 'https://github.com/googlestaging/docai-sheets';
  let html = HtmlService.createHtmlOutput('<!DOCTYPE html><html><script>'
  +'window.close = function(){window.setTimeout(function(){google.script.host.close()},9)};'
  +'var a = document.createElement("a"); a.href="'+url+'"; a.target="_blank";'
  +'if(document.createEvent){'
  +'  var event=document.createEvent("MouseEvents");'
  +'  if(navigator.userAgent.toLowerCase().indexOf("firefox")>-1){window.document.body.append(a)}'
  +'  event.initEvent("click",true,true); a.dispatchEvent(event);'
  +'}else{ a.click() }'
  +'close();'
  +'</script>'
  // Offer URL as clickable link in case above code fails.
  +'<body style="word-break:break-word;font-family:sans-serif;">Failed to open automatically.  Click below:<br/><a href="'+url+'" target="_blank" onclick="window.close()">Click here to proceed</a>.</body>'
  +'<script>google.script.host.setHeight(55);google.script.host.setWidth(410)</script>'
  +'</html>')
  .setWidth( 90 ).setHeight( 1 );
  SpreadsheetApp.getUi().showModalDialog( html, "Opening ..." );
}