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fix(store): patch operator must handle existing nulls #2064

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TheKingDave
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Changed patch operator not fail when the existing value is null by using a null save access to the key of the object

fixes #2063

PR Checklist

Please check if your PR fulfills the following requirements:

PR Type

What kind of change does this PR introduce?

[x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

What is the current behavior?

When the existing value of the patch operator is null/undefined it causes a key access error

Issue Number: #2063

What is the new behavior?

Does not throw an error if existin is null/undefined

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

Changed patch operator not fail when the existing value is null
by using a null save access to the key of the object

fixes ngxs#2063
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@markwhitfeld markwhitfeld left a comment

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Thank you so much for the contribution!
Just 2 tweaks to tests.

packages/store/operators/tests/patch.spec.ts Outdated Show resolved Hide resolved
packages/store/operators/tests/patch.spec.ts Outdated Show resolved Hide resolved
Co-authored-by: Mark Whitfeld <markwhitfeld@users.noreply.github.com>
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Unchanged files (1)
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hello-world-ng15/dist-integration/main.(hash)
.js
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codeclimate bot commented Nov 10, 2023

Code Climate has analyzed commit 5db904a and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 95.5%.

View more on Code Climate.

@markwhitfeld markwhitfeld changed the base branch from master to release November 10, 2023 20:34
@markwhitfeld markwhitfeld changed the base branch from release to master November 10, 2023 20:34
@markwhitfeld markwhitfeld changed the title fix(store): made patch operator handle existing null nicely fix(store): patch operator must handle existing nulls Nov 10, 2023
@markwhitfeld markwhitfeld merged commit bd067dd into ngxs:master Nov 10, 2023
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markwhitfeld pushed a commit that referenced this pull request Nov 30, 2023
* fix(store): made patch operator handle existing null nicely

Changed patch operator not fail when the existing value is null
by using a null save access to the key of the object

fixes #2063

* Apply suggestions from code review

Co-authored-by: Mark Whitfeld <markwhitfeld@users.noreply.github.com>

---------

Co-authored-by: Mark Whitfeld <markwhitfeld@users.noreply.github.com>
(cherry picked from commit bd067dd)
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🐞[BUG]: patch operator does not handle null existing values
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