implement unamespaced map function

doc/components/cronjob.md

@@ -23,4 +23,4 @@ After that you need to add the cronjob component to your system map:
 (def system
   (component/system-map 
     :cronjob (component.cronjob/new-cronjob <<tasks>>)))
-```
+```

src/common_clj/misc/core.clj

@@ -0,0 +1,12 @@
+(ns common-clj.misc.core
+  (:require [common-clj.keyword.core :as common-keyword]
+            [schema.core :as s]
+            [clojure.walk :refer [postwalk]]))
+
+(s/defn un-namespaced :- (s/pred map?)
+  "Recursively un-namespace map keys"
+  [schema :- (s/pred map?)]
+  (postwalk (fn [x]
+              (if (keyword? x)
+                (common-keyword/un-namespaced x)
+                x)) schema))

test/unit/common_clj/misc/core_test.clj

@@ -0,0 +1,15 @@
+(ns common-clj.misc.core-test
+  (:require [clojure.test :refer :all]
+            [common-clj.misc.core :as misc]
+            [schema.test :as s]))
+
+(s/deftest un-namespaced-test
+  (testing "Given a map with namespaced keys, it should return a map with un-namespaced keys"
+    (is (= {:a 1 :b 2}
+           (misc/un-namespaced {:test/a 1 :test/b 2})))
+
+    (is (= {:a 1 :b :key}
+           (misc/un-namespaced {:test/a 1 :test/b :namespaced/key})))
+
+    (is (= {:a 1 :b [:first :second]}
+           (misc/un-namespaced {:test/a 1 :test/b [:namespaced/first :namespaced/second]})))))