Merge branch 'hyperfiddle-#385'

CHANGELOG.md

@@ -10,6 +10,7 @@
 ensure `:class` is merged correctly when it is defined as collection. ([#412](https://github.com/reagent-project/reagent/issues/412))
 - Add `reagent.core/class-names` utility functions which can be used
 to normalize and combine `:class` values (similar to `classnames` JS library)
+- Fix comparing Reagent `PartialFn` to `nil` ([#385](https://github.com/reagent-project/reagent/issues/385))
 
 ## 0.8.1 (2018-05-15)
 

src/reagent/impl/util.cljs

@@ -100,7 +100,9 @@
     (apply pfn a b c d e f g h i j k l m n o p q r s t rest))
   IEquiv
   (-equiv [_ other]
-    (and (= f (.-f other)) (= args (.-args other))))
+    (and (instance? PartialFn other)
+         (= f (.-f other))
+         (= args (.-args other))))
   IHash
   (-hash [_] (hash [f args])))
 

test/reagent/impl/util_test.cljs

@@ -69,3 +69,10 @@
                              {:class ["baz" "quux"]})
            (util/merge-props nil {:class ["foo" "bar" "baz" "quux"]})
            (util/merge-props {:class ["foo" "bar" "baz" "quux"]})))))
+
+(deftest partial-fn-test
+  (is (= (util/make-partial-fn println ["a"])
+         (util/make-partial-fn println ["a"])))
+
+  (is (not (= (util/make-partial-fn println ["a"])
+              nil))))