1 /// This file implements definition components that are allowed in any object-based definition — `ObjectDefinition`.
2 /// So far only constants and functions belong to plain object.
3 
4 // MARK: - Object
5 
6 public func Object(@ObjectDefinitionBuilder @_implicitSelfCapture _ body: () -> [AnyDefinition]) -> ObjectDefinition {
7   return ObjectDefinition(definitions: body())
8 }
9 
10 // MARK: - Constants
11 
12 /**
13  Definition function setting the module's constants to export.
14  */
15 public func Constants(@_implicitSelfCapture _ body: @escaping () -> [String: Any?]) -> AnyDefinition {
16   return ConstantsDefinition(body: body)
17 }
18 
19 /**
20  Definition function setting the module's constants to export.
21  */
22 public func Constants(@_implicitSelfCapture _ body: @autoclosure @escaping () -> [String: Any?]) -> AnyDefinition {
23   return ConstantsDefinition(body: body)
24 }
25 
26 // MARK: - Events
27 
28 /**
29  Defines event names that the object can send to JavaScript.
30  */
31 public func Events(_ names: String...) -> EventsDefinition {
32   return EventsDefinition(names: names)
33 }
34 
35 /**
36  Defines event names that the object can send to JavaScript.
37  */
38 public func Events(_ names: [String]) -> EventsDefinition {
39   return EventsDefinition(names: names)
40 }
41 
42 /**
43  Function that is invoked when the first event listener is added.
44  */
45 public func OnStartObserving(@_implicitSelfCapture _ body: @escaping () -> Void) -> AsyncFunctionComponent<(), Void, Void> {
46   return AsyncFunctionComponent("startObserving", firstArgType: Void.self, dynamicArgumentTypes: [], body)
47 }
48 
49 /**
50  Function that is invoked when all event listeners are removed.
51  */
52 public func OnStopObserving(@_implicitSelfCapture _ body: @escaping () -> Void) -> AsyncFunctionComponent<(), Void, Void> {
53   return AsyncFunctionComponent("stopObserving", firstArgType: Void.self, dynamicArgumentTypes: [], body)
54 }
55