Use ReactNode typedef where appropriate

lib/react_dom.dart

@@ -44,7 +44,7 @@ import 'package:react/react_dom.dart' as react_dom show render, unmountComponent
 /// Use [unmountComponentAtNode] to unmount the instance.
 ///
 /// > Proxies [react_dom.render].
-dynamic render(/*ReactNode*/ dynamic element, Element mountNode) {
+dynamic render(ReactNode element, Element mountNode) {
   return react_dom.render(element, mountNode);
 }
 

lib/src/component/_deprecated/error_boundary_mixins.dart

@@ -102,7 +102,7 @@ abstract class _$ErrorBoundaryPropsMixin implements UiProps {
   /// component tree that crashed.
   ///
   /// > Related: [onComponentIsUnrecoverable], [onComponentDidCatch]
-  ReactElement Function(/*Error||Exception*/dynamic error, ReactErrorInfo? info)? fallbackUIRenderer;
+  ReactNode Function(/*Error||Exception*/dynamic error, ReactErrorInfo? info)? fallbackUIRenderer;
 
   /// The amount of time that is "acceptable" between consecutive identical errors thrown from a component
   /// within the tree wrapped by this [ErrorBoundary].
@@ -361,7 +361,7 @@ mixin ErrorBoundaryMixin<T extends ErrorBoundaryPropsMixin, S extends ErrorBound
   }
 
   // [2.2]
-  ReactElement? _renderStringDomAfterUnrecoverableErrors(_, __) {
+  ReactNode _renderStringDomAfterUnrecoverableErrors(_, __) {
     return (Dom.div()
       ..key = 'ohnoes'
       ..addTestId('ErrorBoundary.unrecoverableErrorInnerHtmlContainerNode')

lib/src/component/error_boundary.dart

@@ -73,7 +73,7 @@ mixin ErrorBoundaryProps on UiProps {
   /// component tree that crashed.
   ///
   /// > Related: [onComponentIsUnrecoverable], [onComponentDidCatch]
-  ReactElement? Function(/*Error||Exception*/dynamic error, ReactErrorInfo? info)? fallbackUIRenderer;
+  ReactNode Function(/*Error||Exception*/dynamic error, ReactErrorInfo? info)? fallbackUIRenderer;
 
   /// The amount of time that is "acceptable" between consecutive identical errors thrown from a component
   /// within the tree wrapped by this [ErrorBoundary].

lib/src/component/error_boundary_recoverable.dart

@@ -189,7 +189,7 @@ class RecoverableErrorBoundaryComponent<T extends RecoverableErrorBoundaryProps,
   }
 
   // [2.2]
-  ReactElement? _renderStringDomAfterUnrecoverableErrors(_, __) {
+  ReactNode _renderStringDomAfterUnrecoverableErrors(_, __) {
     return (Dom.div()
       ..key = 'ohnoes'
       ..addTestId('ErrorBoundary.unrecoverableErrorInnerHtmlContainerNode')

lib/src/component/prop_mixins.dart

@@ -17,7 +17,7 @@
 /// Various prop related mixins to be used with `UiComponent` descendants.
 library over_react.prop_mixins;
 
-import 'package:over_react/over_react.dart' show AriaPropsMapView, AriaPropsMixin, DomProps, PropsMeta;
+import 'package:over_react/over_react.dart' show AriaPropsMapView, AriaPropsMixin, DomProps, PropsMeta, ReactNode;
 // Must import these consts because they are used in the transformed code.
 // ignore: deprecated_member_use, unused_shown_name
 import 'package:over_react/over_react.dart' show PropDescriptor, ConsumedProps, PropsMeta;
@@ -46,10 +46,10 @@ abstract class _$ReactPropsMixin {
 
   // This private field is namespaced to avoid colliding with other classes.
   @Accessor(key: 'children')
-  dynamic _raw$ReactProps$children;
+  ReactNode _raw$ReactProps$children;
 
   /// The children that were passed in to this component when it was built.
-  List<dynamic>? get children {
+  List<ReactNode>? get children {
     final value = _raw$ReactProps$children;
 
     // Most common case; Dart components should all have List children
@@ -68,7 +68,7 @@ abstract class _$ReactPropsMixin {
     return [value];
   }
 
-  set children(List<dynamic>? value) => _raw$ReactProps$children = value;
+  set children(List<ReactNode>? value) => _raw$ReactProps$children = value;
 
   /// A String that differentiates a component from its siblings.
   ///

lib/src/component/ref_util.dart

@@ -212,7 +212,7 @@ Ref<T?> createRef<T>() => react_interop.createRef();
 ///   _$Foo2Config, // ignore: undefined_identifier
 /// );
 UiFactory<TProps> uiForwardRef<TProps extends bh.UiProps>(
-    dynamic Function(TProps props, dynamic ref) functionComponent, dynamic _config) {
+    ReactNode Function(TProps props, dynamic ref) functionComponent, dynamic _config) {
   ArgumentError.checkNotNull(_config, '_config');
 
   if (_config is! UiFactoryConfig<TProps>) {
@@ -231,7 +231,7 @@ UiFactory<TProps> uiForwardRef<TProps extends bh.UiProps>(
   // this will be an empty string.
   final displayName = config.displayName ?? getFunctionName(functionComponent);
 
-  dynamic _uiFunctionWrapper(JsBackedMap props, dynamic ref) {
+  ReactNode _uiFunctionWrapper(JsBackedMap props, dynamic ref) {
     return functionComponent(propsFactory!.jsMap(props), ref);
   }
 

lib/src/component/suspense_component.dart

@@ -67,11 +67,11 @@ mixin SuspensePropsMixin on UiProps {
   /// The actual UI you intend to render. If children suspends while rendering, the Suspense boundary will
   /// switch to rendering fallback.
   @override
-  /*ReactNode*/ List<dynamic>? get children;
+  List<ReactNode>? get children;
 
   /// An alternate UI to render in place of the actual UI if it has not finished loading. Any valid React node is
   /// accepted, though in practice, a fallback is a lightweight placeholder view, such as a loading spinner or skeleton.
   /// Suspense will automatically switch to fallback when children suspends, and back to children when the data is ready.
   /// If fallback suspends while rendering, it will activate the closest parent Suspense boundary.
-  /*ReactNode*/ dynamic fallback;
+  ReactNode fallback;
 }

lib/src/component/with_transition.dart

@@ -264,6 +264,8 @@ class WithTransitionComponent extends UiStatefulComponent2<WithTransitionProps,
   render() {
     assert(_hasSingleValidChild(props));
 
+    // ok to ignore because of the above assert
+    // ignore: cast_nullable_to_non_nullable
     final childElement = props.children!.single as ReactElement;
     final childProps = domProps(getProps(childElement));
     final phaseProps = props.childPropsByPhase![state.$transitionPhase] ?? const {};

lib/src/component_declaration/component_base.dart

@@ -587,7 +587,7 @@ abstract class UiProps extends MapBase
   }
 
   /// Returns a new component with this builder's [props] and the specified [children].
-  ReactElement build([dynamic children]) {
+  ReactElement build([ReactNode children]) {
     assert(_validateChildren(children));
     _sharedAsserts();
 
@@ -643,7 +643,7 @@ abstract class UiProps extends MapBase
 
   /// Validates that no [children] are instances of [UiProps], and prints a helpful message for a better debugging
   /// experience.
-  bool _validateChildren(dynamic children) {
+  bool _validateChildren(ReactNode children) {
     // Should not validate non-list iterables to avoid more than one iteration.
     if (children != null && (children is! Iterable || children is List)) {
       final childrenList = children is List ? children : [children];

lib/src/component_declaration/function_component.dart

@@ -96,7 +96,7 @@ export 'component_type_checking.dart'
 /// Learn more: <https://reactjs.org/docs/components-and-props.html#function-and-class-components>.
 // TODO: right now only top level factory declarations will generate props configs.
 UiFactory<TProps> uiFunction<TProps extends UiProps>(
-  dynamic Function(TProps props) functionComponent,
+  ReactNode Function(TProps props) functionComponent,
   dynamic _config,
 ) {
   ArgumentError.checkNotNull(_config, '_config');

lib/src/over_react_redux/redux_multi_provider.dart

@@ -77,7 +77,7 @@ class ReduxMultiProviderComponent
 
   @override
   render() {
-    dynamic content = props.children;
+    ReactNode content = props.children;
     props.storesByContext.forEach((context, store) {
       content = (ReduxProvider()
         ..store = store

lib/src/util/context.dart

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 import 'package:meta/meta.dart';
+import 'package:over_react/over_react.dart';
 import 'package:over_react/src/component_declaration/builder_helpers.dart';
 import 'package:over_react/src/util/prop_key_util.dart';
 

lib/src/util/react_util.dart

@@ -105,7 +105,7 @@ abstract class UiPropsMapView extends UiProps {
   Map get componentDefaultProps => throw UnimplementedError('@PropsMixin instances do not implement defaultProps');
 
   @override
-  ReactElement build([dynamic children]) =>
+  ReactElement build([ReactNode children]) =>
       throw UnimplementedError('@PropsMixin instances do not implement build');
 
   @override

lib/src/util/react_wrappers.dart

@@ -195,7 +195,7 @@ Map getProps(dynamic/* ReactElement|ReactComponent */ instance, {bool traverseWr
 ///
 /// This method simply wraps react.findDOMNode with strong typing for the return value
 /// (and for the function itself, which is declared using `var` in react-dart).
-Element? findDomNode(dynamic instance) => react_dom.findDOMNode(instance) as Element?;
+Element? findDomNode(ReactNode instance) => react_dom.findDOMNode(instance) as Element?;
 
 /// Returns a portal that renders [children] into a [container].
 ///
@@ -204,7 +204,7 @@ Element? findDomNode(dynamic instance) => react_dom.findDOMNode(instance) as Ele
 /// [children] can be any renderable React child, such as a [ReactElement], [String], or fragment.
 ///
 /// See: <https://reactjs.org/docs/portals.html>
-ReactPortal createPortal(dynamic children, Element container) => ReactDom.createPortal(children, container);
+ReactPortal createPortal(ReactNode children, Element container) => ReactDom.createPortal(children, container);
 
 /// Dart wrapper for React.isValidElement.
 ///
@@ -223,7 +223,7 @@ bool isDomElement(dynamic instance) {
 /// Returns whether [instance] is a composite [ReactComponent].
 ///
 /// __Not for external use.__
-bool _isCompositeComponent(Object? instance) {
+bool _isCompositeComponent(ReactNode instance) {
   return instance != null && getProperty(instance, 'isReactComponent') != null;
 }
 
@@ -240,7 +240,7 @@ bool _isCompositeComponent(Object? instance) {
 /// * Children are likewise copied and potentially overwritten with [newChildren] as expected.
 /// * For JS components, a JS copy of [newProps] is returned, since React will merge the props without any special handling.
 ///   If these values might contain event handlers
-dynamic preparePropsChangeset(ReactElement element, Map? newProps, [Iterable? newChildren]) {
+dynamic preparePropsChangeset(ReactElement element, Map? newProps, [ReactNode newChildren]) {
   final type = element.type;
   final dartComponentVersion = ReactDartComponentVersion.fromType(type); // ignore: invalid_use_of_protected_member
 
@@ -294,7 +294,7 @@ external ReactElement _cloneElement(element, [props, children]);
 /// > Unlike React.addons.cloneWithProps, key and ref from the original element will be preserved.
 /// > There is no special behavior for merging any props (unlike cloneWithProps).
 /// > See the [v0.13 RC2 blog post](https://facebook.github.io/react/blog/2015/03/03/react-v0.13-rc2.html) for additional details.
-ReactElement cloneElement(ReactElement element, [Map? props, Iterable? children]) {
+ReactElement cloneElement(ReactElement element, [Map? props, ReactNode children]) {
   ArgumentError.checkNotNull(element, 'element');
 
   var propsChangeset = preparePropsChangeset(element, props, children);