Merge pull request #392 from metosin/support_nil_map_keys

support nil keys in maps
metosin · Mar 11, 2021 · b8c4098 · b8c4098
2 parents b4f4e0b + 397c233
commit b8c4098
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/src/malli/core.cljc b/src/malli/core.cljc
@@ -184,7 +184,6 @@
                                              (-reference? e) (if naked-keys [[e nil e] e])
                                              (and (= 2 (count e)) (-reference? (first e)) (map? (last e))) (if naked-keys [(conj e (first e)) e])
                                              :else [e (->> (-update (vec e) (dec (count e)) (-comp -form #(schema % options))) (keep identity) (vec))])
-                             _ (when (nil? k) (miu/-fail! ::naked-keys-not-supported))
                              [p ?s] (if (or (nil? ?p) (map? ?p)) [?p ?v] [nil ?p])
                              s (cond-> (or ?s (if (-reference? k) f)) lazy-refs (-lazy options))
                              c [k p (schema s options)]]

diff --git a/test/malli/core_test.cljc b/test/malli/core_test.cljc
@@ -869,6 +869,18 @@
     (is (true? (m/validate [:map [:b boolean?]] {:b false})))
     (is (true? (m/validate [:map [:n nil?]] {:n nil}))))
 
+  (testing "nil keys"
+    (is (true? (m/validate
+                 [:map
+                  ["status" [:enum "ok"]]
+                  [1 any?]
+                  [nil any?]
+                  [::a string?]]
+                 {"status" "ok"
+                  1 'number
+                  nil :yay
+                  ::a "properly awesome"}))))
+
   (testing "accumulating errors #84"
     (let [re #"b"
           schema [:map