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(ns re-frame.loggers
(:require
[clojure.set :refer [difference]]
#?@(:clj [[clojure.string :as str]
[clojure.tools.logging :as log]])))
#?(:clj (defn log [level & args]
(log/log level (if (= 1 (count args))
(first args)
(str/join " " args)))))
;; XXX should loggers be put in the registrar ??
(def ^:private loggers
"Holds the current set of logging functions.
By default, re-frame uses the functions provided by js/console.
Use `set-loggers!` to change these defaults
"
(atom #?(:cljs {:log (js/console.log.bind js/console)
:warn (js/console.warn.bind js/console)
:error (js/console.error.bind js/console)
:debug (js/console.debug.bind js/console)
:group (if (.-group js/console) ;; console.group does not exist < IE 11
(js/console.group.bind js/console)
(js/console.log.bind js/console))
:groupEnd (if (.-groupEnd js/console) ;; console.groupEnd does not exist < IE 11
(js/console.groupEnd.bind js/console)
#())})
;; clojure versions
#?(:clj {:log (partial log :info)
:warn (partial log :warn)
:error (partial log :error)
:debug (partial log :debug)
:group (partial log :info)
:groupEnd #()})))
(defn console
[level & args]
(assert (contains? @loggers level) (str "re-frame: log called with unknown level: " level))
(apply (level @loggers) args))
(defn set-loggers!
[new-loggers]
(assert (empty? (difference (set (keys new-loggers)) (-> @loggers keys set))) "Unknown keys in new-loggers")
(swap! loggers merge new-loggers))
(defn get-loggers
"Get the current logging functions used by re-frame."
[]
@loggers)
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