Cool

0.0.2

HotKeys.ps1

# HotKeys.ps1 - Define custom hotkeys for PSReadLine

# This script sets up a custom hotkey (Alt+Delete) in PSReadLine to remove the current command from history.
# It works by directly manipulating the history file and then refreshing the PSReadLine cache.
Set-PSReadLineKeyHandler -Chord 'Alt+Delete' -ScriptBlock {
    $line = $null
    $cursor = $null
    # Get the current command line and cursor position
    [Microsoft.PowerShell.PSConsoleReadLine]::GetBufferState([ref]$line, [ref]$cursor)
    
    # Yes, this is a hack, but PSReadLine does not provide a direct API to check dropdown visibility
    $options = [Microsoft.PowerShell.PSConsoleReadLine]::GetOptions()
    $isPredictorOn = ($options.PredictionSource -ne 'None')
    
    # Only proceed if there is a non-empty command line
    if ($null -ne $line -and -not [string]::IsNullOrWhiteSpace($line)) {
        $target = $line.Trim()
        $historyPath = $options.HistorySavePath
        
        if (Test-Path $historyPath) {
            # remove the target command from history content
            $newContent = Get-Content $historyPath | Where-Object { $_ -ne $target }
            
            # move original history file to a backup location to prevent conflicts during clearing
            Move-Item $historyPath "$historyPath.bak" -Force -ErrorAction SilentlyContinue
            
            # Clear history using PSReadLine API
            [Microsoft.PowerShell.PSConsoleReadLine]::RevertLine()
            try {
                [Microsoft.PowerShell.PSConsoleReadLine]::ClearHistory()
                
                # Rebuild history file and memory cache using AddToHistory
                if ($null -ne $newContent) {
                    foreach ($h in $newContent) { 
                        [Microsoft.PowerShell.PSConsoleReadLine]::AddToHistory($h) 
                    }
                }
                # Cleanup backup file
                Remove-Item "$historyPath.bak" -ErrorAction SilentlyContinue
            }
            catch {
                # In case of any error, restore the original history file to prevent data loss
                Move-Item "$historyPath.bak" $historyPath -Force -ErrorAction SilentlyContinue
            }

            # If predictor is on, we need to trigger it to refresh its cache after history change
            if ($isPredictorOn) {
                # Trigger a dummy input to refresh predictor cache
                [Microsoft.PowerShell.PSConsoleReadLine]::Insert(' ')
                [Microsoft.PowerShell.PSConsoleReadLine]::BackwardDeleteChar()
            }
        }
    }
}