23 lines
813 B
Dart
23 lines
813 B
Dart
/// Represents an error in route configuration or navigation.
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abstract class RoutingException extends Exception {
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factory RoutingException(String message) =>
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new _RoutingExceptionImpl(message);
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/// Occurs when trying to resolve the parent of a [Route] without a parent.
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factory RoutingException.orphan() => new _RoutingExceptionImpl(
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"Tried to resolve path '..' on a route that has no parent.");
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/// Occurs when the user attempts to navigate to a non-existent route.
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factory RoutingException.noSuchRoute(String path) =>
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new _RoutingExceptionImpl(
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"Tried to navigate to non-existent route: '$path'.");
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}
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class _RoutingExceptionImpl implements RoutingException {
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final String message;
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_RoutingExceptionImpl(this.message);
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@override
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String toString() => message;
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}
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