DarkMode for google apps

readme.md

Add dark mode to google docs without 3rd party plugins

On google doc goto Extenstions > App Script and add following code and save.

If active, it will show a new menu item called "Dark Mode".

darkmode.gs

function onOpen() {
  var ui = DocumentApp.getUi();
  var menu = ui.createMenu('Dark Mode');
  
  menu.addItem('Enable Dark Mode', 'enableDarkMode');
  menu.addItem('Disable Dark Mode', 'disableDarkMode');
  menu.addToUi();
}

function enableDarkMode() {
  var doc = DocumentApp.getActiveDocument();
  var body = doc.getBody();
  
  body.setBackgroundColor('#1e1e1e');
  
  var paras = body.getParagraphs();
  for (var i = 0; i < paras.length; i++) {
    var para = paras[i];
    para.editAsText().setForegroundColor('#ffffff');
  }
}

function disableDarkMode() {
  var doc = DocumentApp.getActiveDocument();
  var body = doc.getBody();
  
  body.setBackgroundColor('#ffffff');
  
  var paras = body.getParagraphs();
  for (var i = 0; i < paras.length; i++) {
    var para = paras[i];
    para.editAsText().setForegroundColor('#000000');
  }
}