Powershell PSScriptAnalyzer, error in PSUseDeclaredVarsMoreThanAssignments

[ingemar-hn]

System Details

• Operating system name and version: Windows 10
• VS Code version:
  Version 1.22.0-insider
  Commit 5450fdc79778b5a76a27ea7e5fd68e9ebbe44107
  Date 2018-03-12T05:15:51.483Z
  Shell 1.7.9
  Renderer 58.0.3029.110
  Node 7.9.0
  Architecture x64
• PowerShell extension version: 1.6.0
• Output from $PSVersionTable:

Name                           Value
----                           -----
PSVersion                      5.1.16299.248
PSEdition                      Desktop
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.16299.248
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1

Copy / paste the following commands into the PowerShell Integrated Console, and paste the output here:

code -v
$pseditor.EditorServicesVersion
code --list-extensions --show-versions
$PSVersionTable

PS [A] > code -v
1.17.2
b813d12980308015bcd2b3a2f6efa5c810c33ba5
PS [A] > $pseditor.EditorServicesVersion

Major  Minor  Build  Revision
-----  -----  -----  --------
1      6      0      0


PS [A] > code --list-extensions --show-versions
ms-vscode.csharp@1.13.1
ms-vscode.PowerShell@1.5.1
ms-vsts.team@1.122.0
secanis.jenkinsfile-support@0.1.0
slevesque.vscode-autohotkey@0.2.1
PS [A] > $PSVersionTable

Name                           Value
----                           -----
PSVersion                      5.1.16299.248
PSEdition                      Desktop
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.16299.248
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1

Issue Description

Error occurs in the below code:

$a = 0
foreach ($i in 0..3) {
        $a = 1
}
0..3 | ForEach-Object {
        $a = 1
}
$a

In the first loop it works as it should. In the second $a is reported to be assigned but never used.

Attached Logs

Follow the instructions in the README
about capturing and sending logs.
logs.zip

[rkeithhill]

This issue has been submitted on the PSScriptAnalyzer repo where it needs to be addressed. Please vote up that issue - PowerShell/PSScriptAnalyzer#831