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docs(gotrue): document the _refreshTokenCompleter concurrent-request deduplication pattern #1342

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Merged
grdsdev merged 1 commit into from
Apr 6, 2026
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docs(gotrue): document the _refreshTokenCompleter concurrent-request deduplication pattern #1342

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8 changes: 7 additions & 1 deletion packages/gotrue/lib/src/gotrue_client.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,13 @@ class GoTrueClient {

Timer? _autoRefreshTicker;

/// Completer to combine multiple simultaneous token refresh requests.
/// Deduplicates concurrent token refresh requests.
///
/// When multiple callers detect an expired token simultaneously (e.g. several
/// in-flight API requests all fail with 401), only the first creates a new
/// refresh network request. Subsequent callers receive the same [Future] and
/// wait for the single in-flight request to complete. The completer is cleared
/// after resolution so the next expiry cycle starts a fresh request.
Completer<AuthResponse>? _refreshTokenCompleter;

JWKSet? _jwks;
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