completer_ex

Description:

completer ex

CompleterEx provides a wrapper for a Dart Completer.
Dart Completer's can be hard to diagnose when they don't complete.
There is no active stack visible in the debugger and essentially no trace that the completer is hanging.
CompleterEx helps to detect these problems by logging out any running Completers after a defined time period (10 seconds).
You can directly replace all existing Completer's with CompleterEx.

var old = Completer<int>();

becomes

var better = CompleterEx<int>();
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You can change the logging interval globally by calling:
CompleterEx.reportInterval(Duration(seconds: 30));
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Logging #
CompleterEx uses the simple_logger to log possible problems.
When it logs a CompleterEx it also logs the Stacktrace showing where the CompleterEx was allocated from.