Replace aliases on enter

PSReadlineAliasReplacement.ps1

Set-PSReadLineKeyHandler -Chord 'Enter' -BriefDescription 'Replace aliases on enter' -ScriptBlock {
  $ast = $tokens = $parseErrors = $cursor = $null
  [Microsoft.PowerShell.PSConsoleReadLine]::GetBufferState(
    [ref]$ast,
    [ref]$tokens,
    [ref]$parseErrors,
    [ref]$cursor
  )
  # Replace from end to start so offsets stay valid for multiline buffers.
  $commandTokens = $tokens |
    Where-Object { $_.TokenFlags -band [Management.Automation.Language.TokenFlags]::CommandName } |
    Sort-Object { $_.Extent.StartOffset } -Descending

  foreach ($token in $commandTokens) {
    if ($token.Extent.Text -in 'cd', 'dir', 'ls', 'z') {
      # i prefer the shorter version here.
      continue
    }

    # Escape wildcard characters so aliases like '?' are matched literally.
    $escapedName = [System.Management.Automation.WildcardPattern]::Escape($token.Extent.Text)
    $alias = Get-Command -Name $escapedName -CommandType Alias -ErrorAction Ignore
    if (-not $alias.ResolvedCommandName) {
      continue
    }

    $extent = $token.Extent
    $length = $extent.EndOffset - $extent.StartOffset
    [Microsoft.PowerShell.PSConsoleReadLine]::Replace(
      $extent.StartOffset,
      $length,
      $alias.ResolvedCommandName
    )
  }
  [Microsoft.PowerShell.PSConsoleReadLine]::AcceptLine()
}