Draft Modifier…

script

//Draft Modifier Key

var p = Prompt.create();
p.title = "Select Command";
p.addButton("Remove Blank Lines");
p.addButton("Remove Duplicate Lines");
p.addButton("Split Draft at Cursor");

var con = p.show();

if (con) {
  //Remove Blank Lines from draft
  if (p.buttonPressed == "Remove Blank Lines") {
    draft.content = draft.content.replace(/$\s*\n+/gm, "\n");
    draft.update();
  }

  // Remove dulicate lines from draft
  if (p.buttonPressed == "Remove Duplicate Lines") {
    var lines = draft.content.split("\n");
    var newLines = [];
    for (var ix=0; ix<lines.length; ix++) {
      var line = lines[ix];
      if (newLines.indexOf(line) == -1) { 
        newLines.push(line);
      }
    }
    draft.content = newLines.join("\n");
    draft.update();
  }

  //Split Draft at Cursor
  if (p.buttonPressed == "Split Draft at Cursor") {
    var before = draft.content.substring(0, draft.selectionStart);
    var after = draft.content.substring(draft.selectionStart);
    if(before.length == 0 || after.length == 0) {
      stopAction();
    }
    //update current draft with text before cursor
    draft.content = before;
    draft.update();
    //create new draft with text after cursor
    var d = Draft.create();
    d.content = after;
    d.update();	
  }
}
else {
  context.cancel("cancelled by user");
}