Allow VSCode configuration of PSScriptAnalyzer rules

To follow on from the comments starting at #1429 (comment)...

PSSA rules should be enable-able and disable-able in VSCode configuration. The current proposal is:

Disabled rules turn off default rules, but not a local PSSA settings file
Enabled rules add to the default rules

Current proposed format is:

{
  "powershell.scriptAnalysis.rules": {
    "disable": [
      "PSAvoidTrailingWhitespace"
    ],
    "enable": [
      "RuleThatILikeButMyColleaguesDont",
    ]
  }
}

How would you plan on addressing rules that are configurable such as PSProvideCommentHelp or PSAvoidUsingCmdletAliases?

@TheIncorrigible1 Good question. I don't have anything particular in mind. The fact that we are even proposing to make a settings-embedded JSON configuration for a psd1-file-configured tool already feels a bit odd to me, but it seems to be what some users are asking for.

The first two solutions I can imagine suggested are:

You can't configure them; if you want that kind of configuration, it's time to write a psd1 file.
We just translate the whole psd1 schema into JSON

I don't see why we can't have our cake and eat it, too! There are probably a few ways to go about this in JSON syntax, but, perhaps the easiest is to modify the proposed enable property above:

{
  "powershell.scriptAnalysis.rules": {
    "disable": [
      "PSAvoidTrailingWhitespace"
    ],
    "enable": [
      {
        "rule": "PSPlaceOpenBrace",
        "configuration": {
          "Enable": true,
          "OnSameLine": true,
          "NewLineAfter": true
        }
      },
      { "rule": "PSUseSingulareNouns" },
    ]
  }
}

So, one rule can have a configuration, while the second rule, which is not configurable, does not--so the user would not provide a configuration. But even if the user were to provide a configuration for a non-configurable rule, and even if the configuration is added to a generated PSScriptAnalyserSettings.psd1 file, wouldn't it simply be ignored since PSScriptAnalyzer would never attempt to configure it in the first place since the rule is not configurable?

It would be nice if PSScriptAnalyzer Rules were stored in the User Settings / Extensions area (JSON).

I ran into this as I wanted to customize which rules apply, and I chased this link down:
https://superuser.com/questions/1393186/how-to-disable-psscriptanalyzers-psavoidusingcmdletaliases-in-powershell-extens/1397066?noredirect=1#comment2107064_1397066

I set the: "powershell.scriptAnalysis.settingsPath": "", to toggle via a script (which is example #3 in the 'superuser' page.

I currently use an extension 'Settings Sync'. If the PSScriptAnalyzer Rules were stored in the User Settings, it would simplify dealing with these toggles for me, as they would sync along with all my other settings.

Craig E. Shea (@fourpastmidnight)

The aspect of selective disabling / enabling of rules is essentially a duplicate of #823, which asks that the existing GUI capability of selecting rules (>PowerShell: Select PSScriptAnalyzer Rules) be persisted across sessions.

Adding rule configuration would be nice too (for which a GUI method will probably never be implemented due to complexity, if I were to guess).

Craig E. Shea (@fourpastmidnight): I like the idea, but for rule-name-only entries you should be able to use just the name as a string value; e.g., "PSUseSingularNouns" rather than { "rule": "PSUseSingularNouns" }.

It seems >PowerShell: Select PSScriptAnalyzer Rules was removed at some point. Could we get this ability to configure PSScriptAnalyzer thru user settings/workspace settings?

PSSA has it's own settings file format. You can use it and configure user/workspace setting to point to that file:

    "powershell.scriptAnalysis.settingsPath": "./PSScriptAnalyzerSettings.psd1",

The nice thing with this approach is that you can use this PSSA settings file with PSSA outside of VSCode - as part of a command line build, interactive invocation of PSSA, etc. If you open the VSCode examples, there is a sample PSScriptAnalyzerSettings.psd1 file you can start with.

I wonder if there is a way to set global configuration instead of making a copy of psd1 file in every project?

hongwen000 (@hongwen000)

hongwen000 (@hongwen000) My workaround is:

have PSScriptAnalyzerSettings.psd1 file inside your GitHub repo
clone the repo locally into your user profile/Documents directory
create C:\Users\Public\PSScriptAnalyzerSettings.psd1 as a Symbolic Link into the repo
set powershell.scriptAnalysis.settingsPath to C:\Users\Public\PSScriptAnalyzerSettings.psd1

Helper function:

# Check admin rights
function Test-Elevation {
    $windowsPrincipal = [System.Security.Principal.WindowsPrincipal]::new( [System.Security.Principal.WindowsIdentity]::GetCurrent() )
    $windowsPrincipal.IsInRole( [System.Security.Principal.WindowsBuiltInRole]::Administrator )
}

# VSCode PSScriptAnalyzerSettings
if (Test-Elevation) {
    if ( -NOT (Test-Path "C:\Users\Public\PSScriptAnalyzerSettings.psd1")) {
        New-Item -ItemType SymbolicLink -Path "C:\Users\Public\PSScriptAnalyzerSettings.psd1" -Value "$PSProfileDirectory\PSScriptAnalyzerSettings.psd1" | Out-Null
    }
}

Hope this help.

ALIENQuake

ALIENQuake Wow, thanks so much for your reply! It looks great, but I am a little confused about some details:

Should I create a symbolic link file PSScriptAnalyzerSettings.psd1 targeting C:\Users\Public\PSScriptAnalyzerSettings.psd1 in the root directory of every repo that use PSScriptAnalyzer?
Or just set powershell.scriptAnalysis.settingsPath as C:\Users\Public\PSScriptAnalyzerSettings.psd1 in the VsCode User-wise configuration?
Or PSScriptAnalyzerSettings.psd1 under $PSProfileDirectory is a global configuration, so I just need create one under $PSProfileDirectory?

hongwen000 (@hongwen000)

hongwen000 (@hongwen000) Nr 2 😃

hongwen000 (@hongwen000)

i suggest hongwen000 (@hongwen000) create a .vscode folder with a settings.json in the root of the repo containing:

{
  "powershell.scriptAnalysis.settingsPath": "PSScriptAnalyzerSettings.psd1"
}

an have you repo specific PSScriptAnalyzerSettings.psd1 in the root of the repo.

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Allow VSCode configuration of PSScriptAnalyzer rules #1443

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Allow VSCode configuration of PSScriptAnalyzer rules #1443

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morsley commented on Sep 10, 2018

rjmholt commented on Sep 10, 2018

fourpastmidnight commented on Jan 18, 2019

moymike commented on Jan 23, 2019

mklement0 commented on Nov 5, 2019

PrzemyslawKlys commented on Aug 12, 2020

rkeithhill commented on Aug 12, 2020

hongwen000 commented on Jul 10, 2022

ALIENQuake commented on Jul 12, 2022

hongwen000 commented on Jul 13, 2022

ALIENQuake commented on Jul 13, 2022

falkheiland commented on Aug 24, 2022

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