fix(zip): handle when unsubscribe is called from within next #6955
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josepot
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May 4, 2022
src/internal/observable/zip.ts
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| // then we complete the result. This is because we cannot possibly have | ||
| // any more values to zip together. | ||
| if (buffers.some((buffer, i) => !buffer.length && completed[i])) { | ||
| if (buffers !== null && buffers.some((buffer, i) => !buffer.length && completed[i])) { |
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nit:
Suggested change
| if (buffers !== null && buffers.some((buffer, i) => !buffer.length && completed[i])) { | |
| if (buffers?.some((buffer, i) => !buffer.length && completed[i])) { |
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I initially thought using an explicit !== null check is better as it results in a boolean which some people (including myself :-)) prefer. But I think your suggestion is more in line with the existing RxJS codebase.
I've changed it. Thanks for the review.
chrisguttandin
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Sorry for tagging you @benlesh. I know it sucks. But given that this PR already had it's first anniversary and I rebased it a couple of times I hope it's okay. I would really appreciate if you could take a look. The PR only adds a single character and a test. Many thanks in advance. |
|
I just faced this issue in my code too and it would be great to have the PR merged 😉 |
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Description:
This PR makes sure the error reported here (#6716) doesn't get thrown anymore.
BREAKING CHANGE: There are no breaking changes.
Related issue (if exists): #6716
I've added a test case which covers the bug but I wasn't sure if there might be a better way to test this. Please let me know if I need to change anything.