fix spec problems

src/formulare/core.clj

@@ -9,14 +9,17 @@
 
 (spec/def ::label string?)
 (spec/def ::required boolean?)
-(spec/def ::spec keyword?)
+(spec/def ::spec
+  (spec/or :registered-spec keyword?
+           :predicate ifn?))
 (spec/def ::options
   (spec/or :empty empty?
            :options (spec/coll-of (spec/tuple string? string?))))
 (spec/def ::widget
   #{:input :select :checkbox :textarea :mselect :hidden})
 (spec/def ::from-req
-  (spec/and fn? #(= 1 (->> % meta :arglists (map count) first))))
+  (spec/and ifn? ;;#(= 1 (->> % meta :arglists (map count) first))
+            ))
 (spec/def ::to-form ::from-req)
 (spec/def ::field
   (spec/keys :req-un [::label]
@@ -122,7 +125,8 @@
   (str (hash [def values])))
 
 (defn render-widgets [form-def values req]
-  {:pre [(spec/valid? ::form form-def)]}
+  (when-not (spec/valid? ::form form-def)
+    (throw (ex-info "Form def fails spec" (spec/explain-data ::form form-def))))
   (let [form-hash (form-hash form-def values)
         submitted-hash (get-in req [:params :__form-hash])
         validate? (= form-hash submitted-hash)]
@@ -141,7 +145,8 @@
           (anti-forgery-field))))
 
 (defn form-data [form-def req]
-  {:pre [(spec/valid? ::form form-def)]}
+  (when-not (spec/valid? ::form form-def)
+    (throw (ex-info "Form def fails spec" (spec/explain-data ::form form-def))))
   (reduce (fn [coll [id field]]
             (let [value (get-in req [:params id])]
               (assoc coll