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tools: enable no-self-assign ESLint rule #5552

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tools: enable no-self-assign ESLint rule #5552

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Trott
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@Trott Trott commented Mar 3, 2016

  • Does make -j8 test (UNIX) or vcbuild test nosign (Windows) pass with
    this change (including linting)?
  • Is the commit message formatted according to [CONTRIBUTING.md][0]?

Enabled no-self-assign rule in ESLint.

This required one change in a benchmark file. Changed a loop (that is
outside of the benchmark itself, so performance is not critical) from a
for loop that repeats a string to use String.prototype.repeat() instead.

While at it, took the opportunity to const-ify the benchmark file.

Also moved the "Strict" section in the .eslintrc to match where it is in
the ESLint documentation. Updated the link for Strict rules to point to
the ESLint website rather than the GitHub-hosted code.

@Trott Trott added benchmark Issues and PRs related to the benchmark subsystem. tools Issues and PRs related to the tools directory. lts-watch-v4.x labels Mar 3, 2016
@jasnell
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jasnell commented Mar 3, 2016

LGTM

@Trott
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Trott commented Mar 3, 2016

CI: https://ci.nodejs.org/job/node-test-pull-request/1840/

@cjihrig
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cjihrig commented Mar 3, 2016

LGTM

@Trott
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Trott commented Mar 4, 2016

CI failure looks infra related and unrelated to this change.

Trying again: https://ci.nodejs.org/job/node-test-pull-request/1844/

@jbergstroem
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LGTM

@silverwind
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Updated the link for Strict rules to point to the ESLint website rather than the GitHub-hosted code

There's two more links above pointing to Github, can you change them too while you're here?

@Trott
tools: enable no-self-assign ESLint rule
d03d0db 
Enabled no-self-assign rule in ESLint.

This required one change in a benchmark file. Changed a loop (that is
outside of the benchmark itself, so performance is not critical) from a
for loop that repeats a string to use String.prototype.repeat() instead.

While at it, took the opportunity to const-ify the benchmark file.

Also moved the "Strict" section in the .eslintrc to match where it is in
the ESLint documentation. Updated the link for Strict rules to point to
the ESLint website rather than the GitHub-hosted code.
@Trott
fixup per silverwind
2ebe5f3
@Trott
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Trott commented Mar 5, 2016

@silverwind Sure, done.

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LGTM

@ronkorving
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Why the change of buffer-base64-decode.js? Seems a better fit for #5359.

@Trott
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Trott commented Mar 7, 2016

@ronkorving asked:

Why the change of buffer-base64-decode.js?

I changed it because (due to s += s) it's the only file in the entire code base that fails this lint rule. Switching to String.prototype.repeat() seemed like the obvious thing to do.

@ronkorving
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Oh wow. Alright 👍

@targos
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targos commented Mar 7, 2016

LGTM

@targos
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targos commented Mar 7, 2016

IMO the warning in buffer-base64-decode.js is due to an ESLint bug. There was no self-assignment there.

@silverwind
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@targos you're right. The rule defines self-assignment as something that has no effect, but in this case it obviously has. Perf on the two methods is basically the same, so it doesn't matter much here though.

@Trott
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Trott commented Mar 7, 2016

@targos @silverwind I agree, but in this particular case, the line being flagged is better as rewritten, so I'm OK with it. We are a couple versions behind on ESLint now. I wonder if a more recent release wouldn't flag it.

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targos commented Mar 7, 2016

I do not question your changes (I LGTM'd them after all). The file is indeed better rewritten. I was just mentioning it in case someone wants to file an issue in the ESLint repo.

Trott added a commit to Trott/io.js that referenced this pull request Mar 7, 2016
@Trott
tools: enable no-self-assign ESLint rule
810aa9f 
Enabled no-self-assign rule in ESLint.

This required one change in a benchmark file. Changed a loop (that is
outside of the benchmark itself, so performance is not critical) from a
for loop that repeats a string to use String.prototype.repeat() instead.

While at it, took the opportunity to const-ify the benchmark file.

Also moved the "Strict" section in the .eslintrc to match where it is in
the ESLint documentation. Updated the link for Strict rules to point to
the ESLint website rather than the GitHub-hosted code.

PR-URL: nodejs#5552
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
@Trott
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Trott commented Mar 7, 2016

Landed in 810aa9f

@Trott Trott closed this Mar 7, 2016
@cjihrig
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cjihrig commented Mar 7, 2016

It looks like this has been fixed in ESLint, and just hasn't been released yet - eslint/eslint#5371.

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cjihrig commented Mar 7, 2016

Sorry, the fix went out on March 4th in eslint@2.3.0.

@Fishrock123 Fishrock123 mentioned this pull request Mar 7, 2016
Merged
Fishrock123 pushed a commit that referenced this pull request Mar 8, 2016
@Trott @Fishrock123
tools: enable no-self-assign ESLint rule
3e41c13 
Enabled no-self-assign rule in ESLint.

This required one change in a benchmark file. Changed a loop (that is
outside of the benchmark itself, so performance is not critical) from a
for loop that repeats a string to use String.prototype.repeat() instead.

While at it, took the opportunity to const-ify the benchmark file.

Also moved the "Strict" section in the .eslintrc to match where it is in
the ESLint documentation. Updated the link for Strict rules to point to
the ESLint website rather than the GitHub-hosted code.

PR-URL: #5552
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Fishrock123 pushed a commit that referenced this pull request Mar 8, 2016
@Trott @Fishrock123
tools: enable no-self-assign ESLint rule
7965c89 
Enabled no-self-assign rule in ESLint.

This required one change in a benchmark file. Changed a loop (that is
outside of the benchmark itself, so performance is not critical) from a
for loop that repeats a string to use String.prototype.repeat() instead.

While at it, took the opportunity to const-ify the benchmark file.

Also moved the "Strict" section in the .eslintrc to match where it is in
the ESLint documentation. Updated the link for Strict rules to point to
the ESLint website rather than the GitHub-hosted code.

PR-URL: #5552
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
MylesBorins pushed a commit that referenced this pull request Mar 17, 2016
@Trott
tools: enable no-self-assign ESLint rule
8c94cc2 
Enabled no-self-assign rule in ESLint.

This required one change in a benchmark file. Changed a loop (that is
outside of the benchmark itself, so performance is not critical) from a
for loop that repeats a string to use String.prototype.repeat() instead.

While at it, took the opportunity to const-ify the benchmark file.

Also moved the "Strict" section in the .eslintrc to match where it is in
the ESLint documentation. Updated the link for Strict rules to point to
the ESLint website rather than the GitHub-hosted code.

PR-URL: #5552
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
MylesBorins pushed a commit that referenced this pull request Mar 21, 2016
@Trott
tools: enable no-self-assign ESLint rule
1f5f341 
Enabled no-self-assign rule in ESLint.

This required one change in a benchmark file. Changed a loop (that is
outside of the benchmark itself, so performance is not critical) from a
for loop that repeats a string to use String.prototype.repeat() instead.

While at it, took the opportunity to const-ify the benchmark file.

Also moved the "Strict" section in the .eslintrc to match where it is in
the ESLint documentation. Updated the link for Strict rules to point to
the ESLint website rather than the GitHub-hosted code.

PR-URL: #5552
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
MylesBorins pushed a commit that referenced this pull request Mar 21, 2016
@Trott
tools: enable no-self-assign ESLint rule
64d5752 
Enabled no-self-assign rule in ESLint.

This required one change in a benchmark file. Changed a loop (that is
outside of the benchmark itself, so performance is not critical) from a
for loop that repeats a string to use String.prototype.repeat() instead.

While at it, took the opportunity to const-ify the benchmark file.

Also moved the "Strict" section in the .eslintrc to match where it is in
the ESLint documentation. Updated the link for Strict rules to point to
the ESLint website rather than the GitHub-hosted code.

PR-URL: #5552
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
@Trott Trott deleted the lint-lint-lint branch January 13, 2022 22:42
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@Trott @jasnell @cjihrig @jbergstroem @silverwind @ronkorving @targos @MylesBorins