Cannot determine line endings as the text probably contain mixed line endings.

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• Make sure you are able to repro it on the latest released version
• Perform a quick search for existing issues to check if this bug has already been reported

Steps to reproduce

$scriptContent = Get-Content -Path "C:\temp\myscript_posh_v2.ps1" -Raw
Invoke-Formatter -ScriptDefinition $scriptContent | Set-Content -Path "C:\temp\myscript_posh_v2.ps1"
$error[0] | select *

Expected behavior

Actual behavior

PSMessageDetails :
Exception : System.ArgumentException: Cannot determine line endings as the text probably contain mixed line endings.
Parameter name: text
at Microsoft.Windows.PowerShell.ScriptAnalyzer.EditableText.GetNumNewLineCharacters(String text, String[]& lines)
at Microsoft.Windows.PowerShell.ScriptAnalyzer.EditableText.GetNewLineCharacters(String text, String[]& lines)
at Microsoft.Windows.PowerShell.ScriptAnalyzer.EditableText..ctor(String text)
at Microsoft.Windows.PowerShell.ScriptAnalyzer.Formatter.Format[TCmdlet](String scriptDefinition, Settings settings, Range range, TCmdlet cmdlet)
at Microsoft.Windows.PowerShell.ScriptAnalyzer.Commands.InvokeFormatterCommand.ProcessRecord()
at System.Management.Automation.CommandProcessor.ProcessRecord()
TargetObject :
CategoryInfo : NotSpecified: (:) [Invoke-Formatter], ArgumentException
FullyQualifiedErrorId : System.ArgumentException,Microsoft.Windows.PowerShell.ScriptAnalyzer.Commands.InvokeFormatterCommand
ErrorDetails :
InvocationInfo : System.Management.Automation.InvocationInfo
ScriptStackTrace : at , : line 2
PipelineIterationInfo : {}

If an unexpected error was thrown then please report the full error details using e.g. $error[0] | Select-Object *

Environment data

> $PSVersionTable

Name                           Value                                                                                                                                                                        
----                           -----                                                                                                                                                                        
PSVersion                      5.1.26100.1882                                                                                                                                                               
PSEdition                      Desktop                                                                                                                                                                      
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}                                                                                                                                                      
BuildVersion                   10.0.26100.1882                                                                                                                                                              
CLRVersion                     4.0.30319.42000                                                                                                                                                              
WSManStackVersion              3.0                                                                                                                                                                          
PSRemotingProtocolVersion      2.3                                                                                                                                                                          
SerializationVersion           1.1.0.1       

> (Get-Module -ListAvailable PSScriptAnalyzer).Version | ForEach-Object { $_.ToString() }
1.23.0

首先，在 PowerShell 5.1 上使用 Invoke-Formatter 以及提供的 Get-Content -Raw 和 Set-Content 命令重現該故障。讀取堆疊框架 EditableText.GetNumNewLineCharacters 和 GetNewLineCharacters，然後檢查 Formatter.Format 路徑。當回報的混合換行結尾輸入能在不拋出 ArgumentException 的情況下獲得處理，且該行為由適當的測試涵蓋時，即表示完成。