Add light mode colours

roles/home-cli/files/Microsoft.PowerShell_profile.ps1

@@ -108,6 +108,40 @@ Set-PSReadLineKeyHandler -Chord Ctrl+Backspace -Function BackwardKillWord
 Set-PSReadLineKeyHandler -Chord Ctrl+Delete -Function KillWord
 Set-PSReadLineKeyHandler -Chord Shift+Spacebar -Function SelfInsert
 
+# Set terminal to light mode.
+foreach ($Property in $Host.PrivateData.PSObject.Properties.Name) {
+    if ($Property -match '.*ForegroundColor$') {
+        $Host.PrivateData.$Property = $Host.UI.RawUI.ForegroundColor
+    }
+    if ($Property -match '.*BackgroundColor$') {
+        $Host.PrivateData.$Property = $Host.UI.RawUI.BackgroundColor
+    }
+}
+
+[bool]$LightMode = $true
+if ($LightMode) {
+    $Host.PrivateData.ErrorForegroundColor = [ConsoleColor]::DarkRed
+    $Host.PrivateData.ErrorBackgroundColor = [ConsoleColor]::White
+    $Host.PrivateData.WarningForegroundColor = [ConsoleColor]::DarkYellow
+    $Host.PrivateData.WarningBackgroundColor = [ConsoleColor]::White
+    $Host.PrivateData.DebugForegroundColor = [ConsoleColor]::DarkYellow
+    $Host.PrivateData.DebugBackgroundColor = [ConsoleColor]::White
+    $Host.PrivateData.VerboseForegroundColor = [ConsoleColor]::DarkYellow
+    $Host.PrivateData.VerboseBackgroundColor = [ConsoleColor]::White
+    $Host.PrivateData.ProgressForegroundColor = [ConsoleColor]::DarkYellow
+    $Host.PrivateData.ProgressBackgroundColor = [ConsoleColor]::White
+    $PSReadLineLightColors = @{
+        Command = [ConsoleColor]::DarkYellow
+        Default = [ConsoleColor]::Gray
+        Emphasis = [ConsoleColor]::Blue
+        Keyword = [ConsoleColor]::DarkGreen
+        ListPredictionSelected = [ConsoleColor]::Red
+        Number = [ConsoleColor]::DarkBlue
+        Variable = [ConsoleColor]::DarkGreen
+    }
+    Set-PSReadLineOption -Colors $PSReadLineLightColors
+}
+
 # Keep this at the end.
 if (Test-Path "$PSScriptRoot/local.ps1") {
     . "$PSScriptRoot/local.ps1"