Profile.ps1

################
# Fix encoding #
################

$OutputEncoding = [Console]::InputEncoding = [Console]::OutputEncoding = [System.Text.UTF8Encoding]::new()

#####################
# Environement vars #
#####################

$Env:NODE_ENV = "development"

######################
# Setup fancy prompt #
######################

if ($Host.UI.SupportsVirtualTerminal) {
    #################
    # Configuration #
    #################
    
    $contextSize = 3
    
    ########
    # Code #
    ########
    
    function Test-Administrator {  
        $user  = [Security.Principal.WindowsIdentity]::GetCurrent()
        $admin = [Security.Principal.WindowsBuiltinRole]::Administrator
        return (New-Object Security.Principal.WindowsPrincipal $user).IsInRole($admin)
    }
    
    function Get-UserName {
        $user = [System.Security.Principal.WindowsIdentity]::GetCurrent().Name
        return $user.Split('\')[1] # Strip the domain
    }
    
    function Get-CurrentPath {
        # TODO: Make this not fail with UNC paths
        $path  = $executionContext.SessionState.Path.CurrentLocation.ToString()
        $parts = $path.Split("\")
        $count = $parts.Count
        
        if ($count -lt (2 + $contextSize)) {
            return $parts -join "/"
        }
        $result = New-Object System.Collections.Generic.List[string]
        $result.Add($parts[0])
        $result.Add("…")
        
        $contextSize..1 | ForEach-Object {
            $result.Add($parts[$count - $_])
        }
        
        return $result -join "/"
    }
    
    function Get-Time {
        return $(Get-Date -Format "HH:mm")
    }
    
    function Get-Elevated {
        if (Test-Administrator) { "ADMIN " } else { "" }
    }
    
    # 1 set bold
    # 22 reset bold
    # 30 FG, 40 BG
    # 90 Bright FG, 100 Bright BG
    # +0 Black
    # +1 Red
    # +2 Green
    # +3 Yellow
    # +4 Blue
    # +5 Magenta
    # +6 Cyan
    # +7 White
    # +9 Unset
    
    $reset = "`e[0m"
    
    $line = "`u{e0b0}"
    
    $start2time  = "`e[30;103m"
    $time2user   = "`e[93;41m$line`e[37m"
    $user2path   = "`e[31;44m$line`e[97m"
    $path2prompt = "`e[34;49m$line`e[39m"
    
    $bold = "`e[1m"
    $dlob = "`e[22m"
    
    function global:Prompt {
        # Domain prefix could be useful...I wonder if you can let it show up if it is not the standard domain.
        $user  = Get-UserName
        $time  = Get-Time
        $path  = Get-CurrentPath
        $admin = Get-Elevated
        
        return "$reset$start2time $time $time2user $admin$bold$user$dlob $user2path $path $path2prompt $reset"
    }
}