whereOpacity method

@useResult WidgetSelector<Opacity> whereOpacity(MatchProp<double> match)

Creates a WidgetSelector that finds all Opacity where opacity matches the condition.

Example usage:

spot<Opacity>().whereOpacity((it) => it.isGreaterThan(10.5)).existsOnce();

Implementation

@useResult
WidgetSelector<Opacity> whereOpacity(MatchProp<double> match) {
  return withDiagnosticProp<double>('opacity', match);
}