Added const to AnsiColor constructors

Author: Bungeefan

lib/src/ansi_color.dart

@@ -10,16 +10,16 @@ class AnsiColor {
   final int? bg;
   final bool color;
 
-  AnsiColor.none()
+  const AnsiColor.none()
       : fg = null,
         bg = null,
         color = false;
 
-  AnsiColor.fg(this.fg)
+  const AnsiColor.fg(this.fg)
       : bg = null,
         color = true;
 
-  AnsiColor.bg(this.bg)
+  const AnsiColor.bg(this.bg)
       : fg = null,
         color = true;
 

lib/src/printers/pretty_printer.dart

@@ -27,11 +27,11 @@ class PrettyPrinter extends LogPrinter {
 
   static final levelColors = {
     Level.verbose: AnsiColor.fg(AnsiColor.grey(0.5)),
-    Level.debug: AnsiColor.none(),
-    Level.info: AnsiColor.fg(12),
-    Level.warning: AnsiColor.fg(208),
-    Level.error: AnsiColor.fg(196),
-    Level.wtf: AnsiColor.fg(199),
+    Level.debug: const AnsiColor.none(),
+    Level.info: const AnsiColor.fg(12),
+    Level.warning: const AnsiColor.fg(208),
+    Level.error: const AnsiColor.fg(196),
+    Level.wtf: const AnsiColor.fg(199),
   };
 
   static final levelEmojis = {
@@ -343,7 +343,7 @@ class PrettyPrinter extends LogPrinter {
     if (colors) {
       return levelColors[level]!;
     } else {
-      return AnsiColor.none();
+      return const AnsiColor.none();
     }
   }
 

lib/src/printers/simple_printer.dart

@@ -20,11 +20,11 @@ class SimplePrinter extends LogPrinter {
 
   static final levelColors = {
     Level.verbose: AnsiColor.fg(AnsiColor.grey(0.5)),
-    Level.debug: AnsiColor.none(),
-    Level.info: AnsiColor.fg(12),
-    Level.warning: AnsiColor.fg(208),
-    Level.error: AnsiColor.fg(196),
-    Level.wtf: AnsiColor.fg(199),
+    Level.debug: const AnsiColor.none(),
+    Level.info: const AnsiColor.fg(12),
+    Level.warning: const AnsiColor.fg(208),
+    Level.error: const AnsiColor.fg(196),
+    Level.wtf: const AnsiColor.fg(199),
   };
 
   final bool printTime;