isPresent function

bool isPresent(
  1. dynamic input
)

Decides if an attribute is present or missing

Example: @Component( host: const { 'attr.someInput': 'someInput' } ) class SomeComponent{ @Input('attr.someInput') var someInput; bool get isSomeInput => isPresent(someInput); }

Implementation

bool isPresent(dynamic input) => input != null;