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operator || #40699

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essential-existence opened this issue Nov 2, 2021 · 2 comments
Closed

operator || #40699

essential-existence opened this issue Nov 2, 2021 · 2 comments
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fs Issues and PRs related to the fs subsystem / file system.

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@essential-existence
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essential-existence commented Nov 2, 2021 •
edited by Trott
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node/lib/internal/fs/promises.js

Line 524 in d68dd62

position = bufferOrOptions.position || null;

If the value is "0", it is converted to "null", which causes the low-level read position of the file to be taken into account. I suggest:
position = bufferOrOptions.position ?? null;.

Operator || - this evil!
@tniessen tniessen added the fs Issues and PRs related to the fs subsystem / file system. label Nov 2, 2021
@Trott Trott added the invalid Issues and PRs that are invalid. label Nov 2, 2021
@Trott Trott closed this as completed Nov 2, 2021
@Trott Trott reopened this Nov 2, 2021
@Trott Trott removed the invalid Issues and PRs that are invalid. label Nov 2, 2021
@mihilmy
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mihilmy commented Nov 3, 2021 •
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Duplicate of #40715
I have some more details with repros in #40715

@VoltrexKeyva VoltrexKeyva linked a pull request Nov 3, 2021 that will close this issue
Use nullish coalescing to respect zero positional reads #40716
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@aduh95 aduh95 mentioned this issue Nov 4, 2021
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@essential-existence
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Duplicate of #40715 I have some more details with repros in #40715

I am glad that you soon noticed this error too.

@Trott Trott closed this as completed in 2037ee8 Nov 12, 2021
targos pushed a commit that referenced this issue Nov 21, 2021
@mihilmy @targos
fs: nullish coalescing to respect zero positional reads
a5a1691 
When the file read position is moved passing zero is
not respected and `null` is used instead. PR fixes the
issues by using nullish coalescing which will return
the rhs only when the lhs is `null` or `undefined`;
respecting the zero.

Fixes: #40715

PR-URL: #40716
Fixes: #40699
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Evan Lucas <evanlucas@me.com>
@christian102094 christian102094 mentioned this issue Jan 17, 2022
Closed
richardlau pushed a commit that referenced this issue Jan 25, 2022
@mihilmy @richardlau
fs: nullish coalescing to respect zero positional reads
fc328f1 
When the file read position is moved passing zero is
not respected and `null` is used instead. PR fixes the
issues by using nullish coalescing which will return
the rhs only when the lhs is `null` or `undefined`;
respecting the zero.

Fixes: #40715

PR-URL: #40716
Fixes: #40699
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Evan Lucas <evanlucas@me.com>
danielleadams pushed a commit that referenced this issue Jan 30, 2022
@mihilmy @danielleadams
fs: nullish coalescing to respect zero positional reads
7e221ae 
When the file read position is moved passing zero is
not respected and `null` is used instead. PR fixes the
issues by using nullish coalescing which will return
the rhs only when the lhs is `null` or `undefined`;
respecting the zero.

Fixes: #40715

PR-URL: #40716
Fixes: #40699
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Evan Lucas <evanlucas@me.com>
danielleadams pushed a commit that referenced this issue Feb 1, 2022
@mihilmy @danielleadams
fs: nullish coalescing to respect zero positional reads
0377edc 
When the file read position is moved passing zero is
not respected and `null` is used instead. PR fixes the
issues by using nullish coalescing which will return
the rhs only when the lhs is `null` or `undefined`;
respecting the zero.

Fixes: #40715

PR-URL: #40716
Fixes: #40699
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Evan Lucas <evanlucas@me.com>
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Use nullish coalescing to respect zero positional reads mihilmy/node
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@Trott @tniessen @mihilmy @essential-existence