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