Zev Benjamin ba1c170f02 Do just in time calculation of full date and time for messages ...

The most expensive part of adding the display time to messages is
calling time.toLocaleDateString() and time.toLocaleTimeString().
Most of the time, this information never gets seen, so we now delay
calculating it until just before the user would see it.  This cuts
the time to render a chunk of messages from >1s to ~200ms.

(imported from commit 6167e7a8e1c3b4ca77471fa346292be4ffa67ec8)

2013-03-05 12:48:33 -05:00

6.2 KiB

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