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IgnoreOneLineBlock=$false Correction Issue in PSPlaceOpenBrace and PSPlaceCloseBrace

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
72/100
Issue type
Bug
Clarity
Clearly specified
Activity status
Active
Tech stack
csharp, powershell
Domain
tooling

Research direction

Start by running the supplied Invoke-Formatter reproduction with PSPlaceOpenBrace and PSPlaceCloseBrace set to IgnoreOneLineBlock=$false, then trace those rule entry points in PSScriptAnalyzer. Done means the formatter produces the expected indentation and brace placement for this conditional, with regression coverage for the reported settings.

Written by the indexing model from the issue text.

Description

So far as I can tell, this hasn't been reported, but it is related to issue #2210 which I was also going to include. I've also gone through and applied the surfaced corrections one-by-one, which produces the exact same results in VS Code with the latest PowerShell extension (pre-release, 2026.1.2, which has PSScriptAnalyzer 1.25.0).

Steps to reproduce

Run the following command:

Invoke-Formatter -ScriptDefinition "if (`$RegEx) { '-match' } else { '-like' }" -Settings @{IncludeDefaultRules=$true;Rules=@{PSPlaceOpenBrace=@{Enable=$true;IgnoreOneLineBlock=$false;};PSPlaceCloseBrace=@{Enable=$true;IgnoreOneLineBlock=$false;}}}

Expected behavior

if ($RegEx) {
    '-match'
} else {
    '-like'
}

Actual behavior

if ($RegEx) {
 '-match' 
   }
 else {
 '-like' 
 }

Environment data

> $PSVersionTable

Name                           Value
----                           -----
PSVersion                      7.6.6
PSEdition                      Core
GitCommitId                    7.6.6
OS                             Microsoft Windows 10.0.22631
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.4
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

> (Get-Module -ListAvailable PSScriptAnalyzer).Version | ForEach-Object { $_.ToString() }

1.25.0
1.25.0

The settings passed, a little easier to read, if needed.

@{
    IncludeDefaultRules = $true
    Rules = @{
        PSPlaceOpenBrace = @{
            Enable = $true
            IgnoreOneLineBlock = $false
        }
        PSPlaceCloseBrace = @{
            Enable = $true
            IgnoreOneLineBlock = $false
        }
    }
}
Dominant language
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