Issue: 5013 Added necessary code for firing warning if value is null - #5048
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This should go into the if(__DEV__) check above. We only fire warnings in dev mode.
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We should make sure we only warn once for each error message. Otherwise, for an app that renders often, we will fill the error logs with 10,000 copies of this message. See how I did this in https://github.com/facebook/react/pull/5032/files with variables like |
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@antoaravinth Ok, we're merging 0.15 stuff now. Can you rebase and fix the feedbacks above? Thanks! |
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@jimfb : Sure. Once the merging is done, I can do the rebase and fix the issues that you have mentioned as well. Thanks. |
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@antoaravinth Most of the 0.15 stuff is merged. I don't see any merge conflicts yet (I'm actually a little surprised, I expected #5032 to conflict). Anyway, we should go ahead and update this PR with the feedback above before merging this change in. You can do that by pushing your changes to the same branch in your github fork. |
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@jimfb: Sure will do the same. |
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@jimfb : Thanks for your help, I have rebased and pushed the necessary changes. Kindly let me know if anything else is pending from my side. |
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@antoaravinth updated the pull request. |
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There is a missing " or " between component and undefined
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Oops, correct PR, wrong person. I meant to ping @antoaravinth |
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This formatting doesn't match our style, see any other warning or invariant callsite for examples.
Also, please remove the empty line above the condition.
Edit: further details on formatting long strings like this: blank space should go at the end of the preceding line.
'foo bar. ' +
'baz'Fixed the lint issues Added logic for handling the warning only once and added the test cases for the same. Also moved the warning part to only DEV mode Changed few lines related to the formatting issues Removing the empty whitespace
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@antoaravinth updated the pull request. |
Issue: 5013 Added necessary code for firing warning if value is null
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Looks great, thanks @antoaravinth! |
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This warning should really include the owner. |
Issue: 5013 Added necessary code for firing warning if value is null
Fix of the issue #5013. Let me know if anything else needs to be done. Thanks.