🎉 Add cljs benchmark code under dev directory

frontend/dev/cljs/user.cljs

@@ -1,5 +1,64 @@
-(ns cljs.user)
+(ns cljs.user
+  (:require
+   [app.common.data :as d]
+   [app.common.data.macros :as dm]
+   [app.common.perf :as perf]
+   [cuerdas.core :as str]))
 
-(defn hello
+(def data {:a 1 :b 2 :c 3 :d 4 :e 5 :f 6 :g 7 :k 8 :l 9 :m {:a {:b {:c {:d {:e {:f 1}}}}}}})
+
+(defn bench-get-in
+  [& args]
+  (let [iterations 1000000
+        keys [:m :a :b :c :d :e :f]]
+
+    (perf/benchmark :f #(get-in data keys nil)
+                    :max-iterations iterations
+                    :name "get-in-initialized")
+
+    (perf/benchmark :f #(get-in data [:m :a :b :c :d :e :f] nil)
+                    :max-iterations iterations
+                    :name "get-in")
+
+    (perf/benchmark :f #(dm/get-in data [:m :a :b :c :d :e :f] nil)
+                    :max-iterations iterations
+                    :name "dm/get-in")))
+
+(defn bench-select-keys
+  [& args]
+  (let [iterations 1000000
+        keys [:k :a :m :d :f :g :k]]
+    (perf/benchmark :f #(select-keys data keys)
+                    :max-iterations iterations
+                    :name "select-keys-initialized")
+
+    (perf/benchmark :f #(select-keys data [:k :a :m :d :f :g :k])
+                    :max-iterations iterations
+                    :name "select-keys")
+
+    (perf/benchmark :f #(dm/select-keys data [:k :a :m :d :f :g :k])
+                    :max-iterations iterations
+                    :name "dm/select-keys")))
+
+(defn bench-string-concat
   []
-  (js/console.log "hello"))
+  (perf/benchmark :f #(str "foo" 2 "bar" 3 "baz" 4 "kkk" 5)
+                  :max-iterations 500000
+                  :name "clojure.core/str")
+
+  (perf/benchmark :f #(dm/str "foo" 2 "bar" 3 "baz" 4 "kkk" 5)
+                  :max-iterations 500000
+                  :name "app.commons.data.macros/str")
+  (let [items ["foo" 2 "bar" 3 "baz" 4 "kkk" 5]]
+    (perf/benchmark :f #(str/join "" items)
+                    :max-iterations 500000
+                    :name "cuerdas.core/join")))
+
+(defn main
+  [& [name]]
+  (case name
+    "str" (bench-string-concat)
+    "select-keys" (bench-select-keys)
+    "get-in" (bench-get-in)
+    (println "available: str select-keys get-in")))
+

frontend/shadow-cljs.edn

@@ -59,6 +59,23 @@
      :anon-fn-naming-policy :off
      :source-map-detail-level :all}}}
 
+  :bench
+  {:target :node-script
+   :output-to "target/bench.js"
+   :output-dir "target/bench/"
+   :main cljs.user/main
+
+   :compiler-options
+   {:output-feature-set :es8
+    :output-wrapper false
+    :warnings {:fn-deprecated false}}
+
+   :release
+   {:compiler-options
+    {:fn-invoke-direct true
+     :elide-asserts true
+     :anon-fn-naming-policy :off}}}
+
   :test
   {:target :node-test
    :output-to "target/tests.js"