Fix #1807: false positive with map transducer in cljs

clj-kondo · Sep 14, 2022 · b31a98d · b31a98d
1 parent 32dd668
commit b31a98d
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/src/clj_kondo/impl/analyzer.clj b/src/clj_kondo/impl/analyzer.clj
@@ -1675,7 +1675,8 @@
                                                        keep keep-indexed])
         arg-count (if (and transducer-eligable?
                            (zero? arg-count)) ;; transducer
-                    (if (and (= 'clojure.core hof-ns-name)
+                    (if (and (or (= 'clojure.core hof-ns-name)
+                                 (= 'cljs.core hof-ns-name))
                              (or (= 'map hof-resolved-name)
                                  (= 'mapcat hof-resolved-name)))
                       nil 1)

diff --git a/test/clj_kondo/invalid_arity_test.clj b/test/clj_kondo/invalid_arity_test.clj
@@ -149,6 +149,7 @@
   (is (empty? (lint! "(reduce (fn [acc e]) [1 2 3])")))
   (is (empty? (lint! "(sequence (map (fn [_ _])) (range 10) (range 10))")))
   (is (empty? (lint! "(sequence (mapcat (fn [_ _])) (range 10) (range 10))")))
+  (is (empty? (lint! "(map (fn [_results _cols]))" "--lang" "cljs")))
   (assert-submaps
    '({:file "<stdin>", :row 1, :col 6, :level :error,
       :message "clojure.core/inc is called with 2 args but expects 1"})