cljs.spec/speced-vars*

(defn speced-vars*
  ([]
    (speced-vars* nil))
  ([ns-syms]
   (let [ns-match? (if (seq ns-syms)
                     (set (map second ns-syms))
                     (constantly true))]
     (reduce
       (fn [ret sym]
         (if (ns-match? (symbol (namespace sym)))
           (conj ret (list 'var sym))
           ret))
       #{} @_speced_vars))))