My personal Prompt Style for Powershell

prompt.ps1

$ESC = [char]27

switch ($env:ComputerName) {
    "TIMSYOGA" {$computerName = "TY"}
    "TIMSTOWER" {$computerName = "TT"}
    default {$computerName = $env:ComputerName}
}

function global:prompt {
    "PS " +
    "$ESC[38;5;33m" +
    $env:UserName +
    "@" +
    $computerName +
    "$ESC[0m" +
    ":" +
    "$ESC[38;5;214m" +
    ("$pwd").Replace("$home", "~") +
    "$ESC[0m" +
    "> "
}