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pluto/js/reagent/debug.cljs
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Clojure

(ns reagent.debug
(:require-macros [reagent.debug]))
(def ^:const has-console (exists? js/console))
(def ^boolean tracking false)
(defonce warnings (atom nil))
(defonce track-console
(let [o #js{}]
(set! (.-warn o)
(fn [& args]
(swap! warnings update-in [:warn] conj (apply str args))))
(set! (.-error o)
(fn [& args]
(swap! warnings update-in [:error] conj (apply str args))))
o))
(defn track-warnings [f]
(set! tracking true)
(reset! warnings nil)
(f)
(let [warns @warnings]
(reset! warnings nil)
(set! tracking false)
warns))