Simplifies the CLI color code

Author: orta

src/executeCommandLine/executeCommandLine.ts

@@ -100,42 +100,28 @@ namespace ts {
             };
         }
 
-        // There are ~3 types of terminal color support: 16 colors, 256 and 16m colors
-        // If there is richer color support, e.g. 256+ we can use extended ANSI codes which are not just generic 'blue'
-        // but a 'lighter blue' which is closer to the blue in the TS logo.
-        const supportsRicherColors = sys.getEnvironmentVariable("COLORTERM") === "truecolor" || sys.getEnvironmentVariable("TERM") === "xterm-256color";
-
         function bold(str: string) {
             return `\x1b[1m${str}\x1b[22m`;
         }
+
         function blue(str: string) {
-            if (supportsRicherColors) {
-                // https://jonasjacek.github.io/colors/ - SteelBlue3 ANSI 68
-                return `\x1B[38;5;68m${str}\x1B[39;49m`;
-            }
-            else {
-                // This should probably only hit both Console and Powershell on Windows, as anything more modern supports more colors.
-                // Those two colorthemes treat 'blue' as navy blue against a black background.
-                // https://en.wikipedia.org/wiki/ANSI_escape_code#3-bit_and_4-bit
-                const useThemeBlue = sys.getEnvironmentVariable("OS") && stringContains(sys.getEnvironmentVariable("OS").toLowerCase(), "windows");
-                if (useThemeBlue) {
-                    return `\x1b[44m${str}\x1b[39m`;
-                }
-                else {
-                    return `\x1b[94m${str}\x1b[39m`;
-                }
-            }
+            return `\x1b[94m${str}\x1b[39m`;
         }
+
+        // There are ~3 types of terminal color support: 16 colors, 256 and 16m colors
+        // If there is richer color support, e.g. 256+ we can use extended ANSI codes which are not just generic 'blue'
+        // but a 'lighter blue' which is closer to the blue in the TS logo.
+        const supportsRicherColors = sys.getEnvironmentVariable("COLORTERM") === "truecolor" || sys.getEnvironmentVariable("TERM") === "xterm-256color";
         function blueBackground(str: string) {
             if (supportsRicherColors) {
                 return `\x1B[48;5;68m${str}\x1B[39;49m`;
             }
             else {
-                return `\x1b[44m${str}\x1b[49m`;
+                return `\x1b[44m${str}\x1B[39;49m`;
             }
         }
         function white(str: string) {
-            return `\x1b[37m${str}\x1b[39m`;
+            return `\x1b[97m${str}\x1b[39m`;
         }
         return {
             bold,