fixup! Optimize ANSI escape lookup

Utils.ps1

@@ -33,31 +33,31 @@ function Get-LocalOrParentPath($path) {
 
 # Color codes from https://msdn.microsoft.com/en-us/library/windows/desktop/mt638032(v=vs.85).aspx
 $ConsoleColorToAnsi = @(
-    00 # Black
-    04 # DarkBlue
-    02 # DarkGreen
-    06 # DarkCyan
-    01 # DarkRed
-    05 # DarkMagenta
-    03 # DarkYellow
-    07 # Gray
-    60 # DarkGray
-    64 # Blue
-    62 # Green
-    66 # Cyan
-    61 # Red
-    65 # Magenta
-    63 # Yellow
-    67 # White
+    30 # Black
+    34 # DarkBlue
+    32 # DarkGreen
+    36 # DarkCyan
+    31 # DarkRed
+    35 # DarkMagenta
+    33 # DarkYellow
+    37 # Gray
+    90 # DarkGray
+    94 # Blue
+    92 # Green
+    96 # Cyan
+    91 # Red
+    95 # Magenta
+    93 # Yellow
+    97 # White
 )
-Write-Host $ConsoleColorToAnsi.Length
+$AnsiDefaultColor = [char]27 + "["
 $AnsiEscape = [char]27 + "["
 
 function Get-VirtualTerminalSequence ([ConsoleColor]$color, [int]$offset = 0) {
     if (($color -lt 0) -or ($color -gt 15)) {
-        return "${AnsiEscape}$(39 + $offset)m"
+        return "${AnsiEscape}$($AnsiDefaultColor + $offset)m"
     }
-    return "${AnsiEscape}$(30 + $offset + $ConsoleColorToAnsi[$color])m"
+    return "${AnsiEscape}$($ConsoleColorToAnsi[$color] + $offset)m"
 }
 
 function Get-ForegroundVirtualTerminalSequence($Color) {