Macro with side effect in ClojureScript

README.md

% clj -M -m cljs.main
ClojureScript 1.10.773
cljs.user=> (require 'foo.core)
nil
cljs.user=> (foo.core/m 1)
here
2

core.clj

(ns foo.core)

(defmacro m [a]
  (println "here")
  `(do-a-thing ~a))

core.cljs

(ns foo.core
  (:require-macros [foo.core]))

(defn do-a-thing [x]
  (inc x))

deps.edn

{:deps {org.clojure/clojurescript {:mvn/version "1.10.773"}}}