fix(mason_logger): link should depend on ansi escape support

packages/mason_logger/lib/src/link.dart

@@ -1,3 +1,5 @@
+import 'package:io/ansi.dart';
+
 /// Wraps [uri] with an escape sequence so it's recognized as a hyperlink.
 /// An optional message can be used in place of the [uri].
 /// If no [message] is provided, the text content will be the full [uri].
@@ -10,6 +12,10 @@
 /// print(richLink); // Equivalent to `[The Dart Website](https://dart.dev)` in markdown
 /// ```
 String link({required Uri uri, String? message}) {
+  if (!ansiOutputEnabled) {
+    return message != null ? '[$message]($uri)' : uri.toString();
+  }
+
   const leading = '\x1B]8;;';
   const trailing = '\x1B\\';
 

packages/mason_logger/test/ci.dart

@@ -9,4 +9,11 @@ Future<void> main() async {
   progress.update('Almost done');
   await Future<void>.delayed(const Duration(seconds: 1));
   progress.complete('Done');
+
+  final masonGitHub = link(
+    uri: Uri.parse('https://github.com/felangel/mason'),
+    message: 'GitHub',
+  );
+
+  logger.info('Learn more at $masonGitHub');
 }

packages/mason_logger/test/fixtures/ci.txt

@@ -1 +1,5 @@
-⠋ Calculating...⠙ This is taking longer than expected... (1.0s)⠹ Almost done... (2.0s)✓ Done (3.0s)
+⠋ Calculating...
+⠙ This is taking longer than expected... (1.0s)
+⠹ Almost done... (2.0s)
+✓ Done (3.0s)
+Learn more at [GitHub](https://github.com/felangel/mason)

packages/mason_logger/test/src/link_test.dart

@@ -1,8 +1,31 @@
+import 'dart:io';
+
 import 'package:mason_logger/mason_logger.dart';
+import 'package:mocktail/mocktail.dart';
 import 'package:test/test.dart';
 
+class _MockStdout extends Mock implements Stdout {}
+
 void main() {
   group('link', () {
+    late Stdout stdout;
+    late Stdout stderr;
+
+    setUp(() {
+      stdout = _MockStdout();
+      stderr = _MockStdout();
+      when(() => stdout.supportsAnsiEscapes).thenReturn(true);
+      when(() => stderr.supportsAnsiEscapes).thenReturn(true);
+    });
+
+    R runWithOverrides<R>(R Function() body) {
+      return IOOverrides.runZoned(
+        body,
+        stdout: () => stdout,
+        stderr: () => stderr,
+      );
+    }
+
     final uri = Uri.parse('https://github.com/felangel/mason/issues/');
     const lead = '\x1B]8;;';
     const trail = '\x1B\\';
@@ -11,7 +34,7 @@ void main() {
       'builds output with correct encodings: ' r'\x1B]8;;' ' and ' r'\x1B\\',
       () {
         const message = 'message';
-        final output = link(message: message, uri: uri);
+        final output = runWithOverrides(() => link(message: message, uri: uri));
         final matcher = stringContainsInOrder(
           [lead, '$uri', trail, message, lead, trail],
         );
@@ -21,12 +44,28 @@ void main() {
     );
 
     test('builds String with Uri when message is null: ', () {
-      final output = link(uri: uri);
+      final output = runWithOverrides(() => link(uri: uri));
       final matcher = stringContainsInOrder(
         [lead, '$uri', trail, '$uri', lead, trail],
       );
 
       expect(output, matcher);
     });
+
+    test('builds output when ansi escapes are not supported', () {
+      when(() => stdout.supportsAnsiEscapes).thenReturn(false);
+      when(() => stderr.supportsAnsiEscapes).thenReturn(false);
+      final output = runWithOverrides(() => link(uri: uri));
+      final matcher = stringContainsInOrder(['$uri']);
+      expect(output, matcher);
+    });
+
+    test('builds output with message when ansi escapes are not supported', () {
+      when(() => stdout.supportsAnsiEscapes).thenReturn(false);
+      when(() => stderr.supportsAnsiEscapes).thenReturn(false);
+      const message = 'message';
+      final output = runWithOverrides(() => link(uri: uri, message: message));
+      expect(output, equals('[$message]($uri)'));
+    });
   });
 }