Keep reference equality if possible in update() #6353
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For $set and $apply it is cheap and easy to check whether the new value will be identical (===) to the old value and create a new object only when this is not the case. This will reduce excessive renders when using the pureRenderMixin. The same should be possible for for merge, but is more complicated so is not attempted here.
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@gaearon updated the pull request. |
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Ultimately we made a decision to not ship any more changes to I’m closing this PR for that reason. If someone wants to fork Thank you for understanding! |
This was referenced Apr 1, 2016
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@gaearon updated the pull request. |
This pull request was closed.
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I merged #4968 locally and then made a few changes on top that I thought would be welcome:
I figured I’d run this by Travis as well so I’m submitting it as a PR.
Credits for making this change happen go to @davidmason, I’m just tweaking minor things.
I intend this to land in 15 RC3.