Hot powershell prompt

prompt.ps1

function prompt {
  $lastCmdFailed = !$?;
  $asciiSymbols = $true # If your terminal doesn't display unicode properly

  # Cause $IsWindows and shit doesn't exist on current Windows Powershell version
  $windows = $IsWindows -or $env:OS -eq 'Windows_NT'

  if ($windows) {
    $admin = [bool](([System.Security.Principal.WindowsIdentity]::GetCurrent()).groups -match 'S-1-5-32-544')
    $name = $env:UserName
  } else {
    $admin = (id -u) -eq 0
    $name = id -un
  }

  $isHome = (Get-Location).Path.StartsWith($HOME)
  $time = (Get-Date).ToString('HH:mm')
  $path = (Get-Location).Path
  $hostname = hostname

  if ($isHome) { $path = $path.Replace($HOME, '~') }

  $esc = [char]27
  $r = "$esc[0m"
  $symbols = @{
    pathOpen = if (!$asciiSymbols) { "⌈" } else { "[" };
    pathClose = if (!$asciiSymbols) { "⌋" } else { "]" };
    timeOpen = if (!$asciiSymbols) { "⌊" } else { "[" };
    timeClose = if (!$asciiSymbols) { "⌉" } else { "]" };
    admin = if (!$asciiSymbols) { "⚡" } else { "#" };
    prompt = if (!$asciiSymbols) { "〉" } else { ">" };
  }
  $colors = @{
    separator = "$esc[34m";
    location = "$esc[32m";
    time = "$esc[33m";
    admin = "$esc[32m";
    name = "$esc[95m";
    error = "$esc[1;31m"
  }

  $prompt = @(
    ""
    @(
      "$($colors.separator)$($symbols.pathOpen) $($colors.name)$name@$hostname $($colors.location)$path $($colors.separator)$($symbols.pathClose)"
      "$($symbols.timeOpen) $($colors.time)$time $($colors.separator)$($symbols.timeClose)"
      " $(if ($admin) { "$($colors.admin)$($symbols.admin)" } else { '' })"
    ) -join ""
    "$(
      if ($lastCmdFailed) { $colors.error } else { $colors.separator }
    )$($symbols.prompt)$r "
  )

  $prompt -join "`n"
}