generateStreamItemForAnnotatedElement method

@override Definition generateStreamItemForAnnotatedElement(Element element, ConstantReader annotation, BuildStep buildStep)

Returns an object of type T that will be added to the Stream emitted by generateStream.

• Override this method in classes extending MergingGenerator.
• This method is a generalization of generateForAnnotatedElement.

Implementation

@override
Definition generateStreamItemForAnnotatedElement(
    Element element, ConstantReader annotation, BuildStep buildStep) {
  if (element.kind != ElementKind.CLASS) {
    throw "ERROR: @Managed can only be used on a class, found on $element";
  }
  var constructor = (element as ClassElement).unnamedConstructor;
  if (constructor == null) {
    throw "ERROR: No unnamed constructor found for $element";
  }
  var constructorParams = constructor.parameters;
  var typeName = element.name;
  return Definition(
    registration: """
      fabric.registerFactory((Fabric fabric) {
        return $typeName(
        ${constructorParams.map(_generateParam).join(",\n")}
        );
      });
    """,
    imports: {
      _pathOf(element.enclosingElement),
      ...constructorParams.map((param) =>
          _pathOf(param.type.element!.library!.definingCompilationUnit)),
    },
  );
}