Functions/ReadLine/Enable-PSReadLineCommandHelp.ps1
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<#
.SYNOPSIS Enable command help. .DESCRIPTION Type F1 for help off the current command line. .LINK https://github.com/PowerShell/PSReadLine/blob/master/PSReadLine/SamplePSReadLineProfile.ps1 #> function Enable-PSReadLineCommandHelp { # Show a grid view output if ($PSVersionTable.PSEdition -ne 'Core') { $commandHelpSplat = @{ Key = 'F1' BriefDescription = 'CommandHelp' LongDescription = 'Open the help window for the current command' ScriptBlock = { param($key, $arg) $ast = $null $tokens = $null $errors = $null $cursor = $null [Microsoft.PowerShell.PSConsoleReadLine]::GetBufferState([ref]$ast, [ref]$tokens, [ref]$errors, [ref]$cursor) $commandAst = $ast.FindAll( { $node = $args[0] $node -is [CommandAst] -and $node.Extent.StartOffset -le $cursor -and $node.Extent.EndOffset -ge $cursor }, $true) | Select-Object -Last 1 if ($null -ne $commandAst) { $commandName = $commandAst.GetCommandName() if ($null -ne $commandName) { $command = $ExecutionContext.InvokeCommand.GetCommand($commandName, 'All') if ($command -is [AliasInfo]) { $commandName = $command.ResolvedCommandName } if ($null -ne $commandName) { Get-Help $commandName -ShowWindow } } } } } Set-PSReadLineKeyHandler @commandHelpSplat } } |