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[new] handler:console: don't cache :*out*/:*err* stream

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Support case where `*out*` or `*err*` are being modified after handler
is created.
This commit is contained in:
Peter Taoussanis 2024-05-11 16:12:34 +02:00
parent fbb7e38157
commit f050521fbd
1 changed files with 11 additions and 5 deletions
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16
src/taoensso/telemere/consoles.cljc
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@ -27,17 +27,23 @@
Defaults to `*err*` if `utils/error-signal?` is true, and `*out*` otherwise."
([] (handler:console nil))
([{:keys [output-fn stream]
:or {output-fn (utils/format-signal-fn)}}]
([{:keys [stream output-fn ]
:or
{stream :auto
output-fn (utils/format-signal-fn)}}]
(let [stream (case stream :*out* *out*, :*err* *err* stream)
error-signal? utils/error-signal?]
(let [error-signal? utils/error-signal?]
(fn a-handler:console
([]) ; Shut down (no-op)
([signal]
(let [^java.io.Writer stream
(or stream (if (error-signal? signal) *err* *out*))]
(case stream
:*out* *out*
:*err* *err*
:auto (if (error-signal? signal) *err* *out*)
stream)]
(when-let [output (output-fn signal)]
(.write stream (str output))
(.flush stream))))))))