p3.clj

(p.eql/process (-> (p.plugin/register
                     {::p.plugin/id `as-plugin
                      :com.wsscode.pathom3.format.eql/wrap-map-select-entry
                                    (fn [original]
                                      (fn [env out {:keys [params dispatch-key]
                                                    :as   ast}]
                                        (if-let [as (:as params)]
                                          (original env
                                            (into (empty out) (map (fn [[k v]]
                                                                     [({dispatch-key as} k k) v]))
                                              out)
                                            (assoc ast :key as :dispatch-key as))
                                          (original env out ast))))})
                 (pci/register (pco/resolver `a
                                 {::pco/output  [:a]
                                  ::pco/params  [:v]
                                  ::pco/resolve (fn [env input]
                                                  {:a (:v (pco/params env))})}))
                 (assoc ::pcr/resolver-cache* nil))
  `[(:a {:v  1
         :as :a1})
    (:a {:v  2
         :as :a2})])
=> {:a1 1
    :a2 1}