Function typedef

static/editor.md/lib/codemirror/mode/javascript/javascript.js:485–487

(type)

    if (isTS && type == ":") return cont(typedef);
  }
  function typedef(type) {
    if (type == "variable"){cx.marked = "variable-3"; return cont();}
  }
  function vardef() {
    return pass(pattern, maybetype, maybeAssign, vardefCont);
  }