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Fix Flutter Web crash with ANSI colored logs containing invalid UTF-8 #449

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Fix Flutter Web crash with ANSI colored logs containing invalid UTF-8 #449

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01131e7
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Copilot Dec 3, 2025
d37cf36
Fix Flutter Web crash by disabling ANSI colors on web platform
Copilot Dec 3, 2025
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14 changes: 13 additions & 1 deletion packages/talker_flutter/lib/src/extensions/talker_flutter.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -11,12 +11,24 @@ extension TalkerFlutter on Talker {
TalkerFilter? filter,
}) =>
Talker(
logger: logger ?? TalkerLogger(output: _defaultFlutterOutput),
logger: logger ?? _defaultFlutterLogger(),
observer: observer,
settings: settings,
filter: filter,
);

/// Default logger for Flutter:
/// - On web, disables ANSI colors to avoid UTF-8 encoding issues.
/// - On other platforms, enables colors by default.
static TalkerLogger _defaultFlutterLogger() => TalkerLogger(
output: _defaultFlutterOutput,
settings: TalkerLoggerSettings(
// Disable colors on web to prevent UTF-8 encoding issues
// with ANSI escape codes in the browser console
enableColors: !kIsWeb,
),
);

/// Default output function for Flutter:
/// - On web, prints to console.
/// - On iOS/macOS, uses `dart:developer.log`.
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