Hides todo when requested, do not show list when no todos, todos can be marked as done

lib.typ

@@ -1,20 +1,24 @@
 #import "@preview/gviz:0.1.0": *
 
 #let todo-list = state("todo-list",())
+#let show-todos = state("show-todos", true)
 
-#let todo(content) = context {
+#let todo(done: false, content) = context {
+  if (not done) and (show-todos.get()) {
     let todonum = todo-list.get().len() + 1
     text(weight: "bold", fill: red, [TODO n°#todonum #label("todo-"+str(todonum)): #content])
     todo-list.update(x => x + (("todo-"+str(x.len()+1),x.len()+1, content),))
+  }
 }
 
 #let todos() = context {
+  if (todo-list.final().len() != 0) and (show-todos.get()) {
     pagebreak(weak: true)
     [= TO-DOs]
     for t in todo-list.final() {
       let l =  label(t.first())
       list.item(link(l)[TODO n°#t.at(1) p.#locate(l).page() : #t.last()])
-    
+    }
   }
 }