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handle initially null driver when instantiating Mongoose for Rollup support #14577
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hasezoey
approved these changes
May 8, 2024
This was referenced Jun 7, 2024
This was referenced Jul 4, 2024
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Fix #12335
Summary
lib/index.js
andlib/mongoose.js
contain the significant changes here. The issue is that, because of how Rollup hoists imports when you don't setstrictRequires: true
, thesetDriver()
call inlib/mongoose.js
will always run after the Mongoose singleton is initialized inlib/index.js
. So the Mongoose constructor needs to handle null driver case, andlib/mongoose.js
needs to callsetDriver()
to make sure the driver change propagates to the newly created Mongoose singleton.In regular Node.js, that second
setDriver()
call is a no-op becausesetDriver()
checks to see if new driver is===
old driver.On a related note, I also cleaned up some circular imports in
lib/error/*.js
.lib/error/index.js
importslib/error/cast.js
andlib/error/cast.js
importslib/error/index.js
. I was trying to see if cleaning up circular imports would help with Rollup support, but experimentation and further reading convinced me that it wasn't necessary for Rollup support. But still a nice to have since fixing the circular import is a bunch of one-liners.Examples