I have been trying to define a macro for clojurescript/clojure using a
cljc file
(ns async
(:require #?(:clj [clojure.core.async :as a :refer [go-loop]])
#?@(:cljs [[cljs.core.async :as a]
[cljs.core.async.macros :refer [go-loop]]])))
(defmacro dochan
"Wrap the expressions in a go-loop over the single binding to a channel
till the chan closes"
[chan & body]
(let [[name channel-expr] binding]
`(let [channel# ~channel-expr]
(a/go-loop [~name (a/<! channel#)]
(if (some? ~name)
(do
~@body
(recur (a/<! channel#)))
(a/close! channel#))))))
;; in CLJS
(ns cljs
(:require [cljs.core.async :as a]))
(dochan [e (a/chan 10)]
(println "Auto-insert" e)) ;; keeps throwing exception saying it cannot
find clojure.core.async
Further macroexpansion in cljs-repl confirmed what I was saying with the
resulting code using clojure.core.async. So I came to the conclusion that
since clojurescript relies on clojure for macros, it would use clojure to
load the macros , hence making the reader conditionals work like the
macro's to be used in a clojure file. Another weird thing happened though.
It was auto-inserting clojure.core.async whenever I remove the :clj
require. I am guessing it's cider because whenever I started a different
repl it would behave normally, using a alone rather than cojure.core.asyn
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