Don't report errors errors as unhandled if there is an existing "error" event handler#4767
Don't report errors errors as unhandled if there is an existing "error" event handler#4767gaearon merged 8 commits intojestjs:masterfrom
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Heh, we fixed lint at the same time |
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Bah, rest args is not available on node 4. Needs |
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Lol. I pushed a commit that tracks the number of user handlers. I think it's more correct because if the user removes the listener, we should restore the original behavior. |
gaearon
changed the title
| if (name === 'error') { | ||
| userErrorListenerCount--; | ||
| } | ||
| return originalRemoveListener.apply(this, arguments); |
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should be .apply(global, arguments) as this is wrong in the arrow function, right?
arguments is also wrong within the arrow
| // Report uncaught errors. | ||
| this.errorEventListener = event => { | ||
| if (event.error) { | ||
| if (userErrorListenerCount === 0 && event.error) { |
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Instead of manual bookkeeping, can we just check the total number of listeners here?
e.g. this works in chrome:
window.getEventListeners(window).error.length // 1 on github.comThere was a problem hiding this comment.
Looks like getEventListeners is not available for jsdom@9 at least
EDIT: Or in 11
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I'm fine with upgrading to 11 and dropping node 4 now.
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Seems to be a devtools API, so never mind!
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This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs. |
4 participants
This add a failing integration test for behavior React relies on.
It passes before #4669, but now fails.
DemonstratesFixes #4764.