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Merge pull request #395 from saskali/warning-on-tracing-not-set

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Log warning when tracing not enabled
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Daniel Compton 2017-08-14 20:30:16 +12:00 committed by GitHub
commit c43192f006
1 changed files with 3 additions and 1 deletions
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4
src/re_frame/trace.cljc
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@ -27,7 +27,9 @@
"Registers a tracing callback function which will receive a collection of one or more traces.
Will replace an existing callback function if it shares the same key."
[key f]
(swap! trace-cbs assoc key f))
(if trace-enabled?
(swap! trace-cbs assoc key f)
(console :warn "Tracing is not enabled. Please set {\"re_frame.trace.trace_enabled_QMARK_\" true} in :closure-defines. See: https://github.com/Day8/re-frame-trace#installation.")))
(defn remove-trace-cb [key]
(swap! trace-cbs dissoc key)