[#38] Refactor :schema-index to ::navigate interpreter

Co-authored-by: @ghrpp <profunctorlense@gmail.com>
Co-authored-by: @rublag_hs <rublag-ns@yandex.ru>
Co-authored-by: @kenichsberg <kn1017356@gmail.com>
Co-authored-by: @IvannikovG <ivannikogeorge1337@gmail.com>

src/zen/schema.clj

@@ -168,6 +168,8 @@
 (defmethod compile-key :minItems [_ _ _] {:when #(or (sequential? %) (set? %))})
 (defmethod compile-key :maxItems [_ _ _] {:when #(or (sequential? %) (set? %))})
 
+(defmethod compile-key :schema-index [_ _ _] {:when sequential?})
+
 (defmethod compile-key :subset-of   [_ _ _] {:when set?})
 (defmethod compile-key :superset-of [_ _ _] {:when set?})
 
@@ -303,3 +305,26 @@
                  (v data opts)
                  (validation.utils/merge-vtx vtx)))))
        vtx))))
+
+
+#_"NOTE: Errors mechanism used here comes from ::validate interpreter. Maybe we should untie it from here."
+(register-compile-key-interpreter!
+ [:schema-index ::navigate]
+ (fn [_ ztx {si :index si-ns :ns}]
+   (fn [vtx data opts]
+     (if-let [sch-nm (or (get data si) (nth data si))]
+       (let [sch-symbol (if si-ns (symbol si-ns (name sch-nm)) sch-nm)
+             sch        (utils/get-symbol ztx sch-symbol)]
+         (cond
+           (nil? sch)
+           (validation.utils/add-err vtx
+                    :schema-index
+                    {:message (format "Could not find schema %s" sch-symbol)
+                     :type    "schema"})
+
+           :else
+           (let [v (get-cached ztx sch false)]
+             (-> (validation.utils/node-vtx vtx [:schema-index sch-symbol])
+                 (v data opts)
+                 (validation.utils/merge-vtx vtx)))))
+       vtx))))

src/zen/v2_validation.clj

@@ -450,28 +450,6 @@ Probably safe to remove if no one relies on them"
                 vtx
                 ks)))))
 
-(defmethod compile-key :schema-index
-  [_ ztx {si :index si-ns :ns}]
-  {:when sequential?
-   :rule
-   (fn [vtx data opts]
-     (if-let [sch-nm (or (get data si) (nth data si))]
-       (let [sch-symbol (if si-ns (symbol si-ns (name sch-nm)) sch-nm)
-             sch (utils/get-symbol ztx sch-symbol)]
-         (cond
-           (nil? sch)
-           (add-err vtx
-                    :schema-index
-                    {:message (format "Could not find schema %s" sch-symbol)
-                     :type "schema"})
-
-           :else
-           (let [v (get-cached ztx sch false)]
-             (-> (node-vtx vtx [:schema-index sch-symbol])
-                 (v data opts)
-                 (merge-vtx vtx)))))
-       vtx))})
-
 (defmethod compile-key :nth
   [_ ztx cfg]
   (let [schemas (doall