Code Block (```)

script

// Apply Markdown bold to selection, or insert ** if no selection
let markup = "```";

let sel = editor.getSelectedText();
let [st, len] = editor.getSelectedRange();
let [lnSt, lnLen] = editor.getSelectedLineRange();

if (!sel || sel.length == 0) { // no selected text
	if (st != lnSt) {
		// not beginning of line, make block
		editor.setSelectedText("\n\n"+markup+"\n\n"+markup+"\n\n");
		editor.setSelectedRange(st+markup.length+3,0);
  	}
  	else {
  		// beginning of line
		editor.setSelectedText(markup+"\n\n"+markup+"\n");
		editor.setSelectedRange(st+markup.length+1,0);
	}
}
else {
  editor.setSelectedText("\n\n"+markup+"\n"+sel+"\n"+markup+"\n\n");
  editor.setSelectedRange(st+len+(markup.length*2)+6,0);
}