Added detection of React function components returning ReactNode

Author: Sebastian Wendorf

typescript/src/react/post-processors/react-component.post-processor.ts

@@ -18,7 +18,7 @@ export class ReactComponentPostProcessor extends PostProcessor {
             for (const func of allFunctions) {
                 if (
                     func.returnType instanceof LCETypeDeclared &&
-                    (func.returnType.fqn.globalFqn === '"react".React.JSX.Element' || func.returnType.fqn.globalFqn === '"react".JSX.Element')
+                    isComponentReturnType(func.returnType.fqn.globalFqn)
                 ) {
                     const component = new LCEReactComponent(func.fqn, func.functionName, []);
                     if (func.metadata.has(JSXDependencyContextProcessor.JSX_DEPENDENCY_METADATA)) {
@@ -34,8 +34,7 @@ export class ReactComponentPostProcessor extends PostProcessor {
                 if (
                     (variable.type instanceof LCETypeFunction &&
                         variable.type.returnType instanceof LCETypeDeclared &&
-                        (variable.type.returnType.fqn.globalFqn === '"react".React.JSX.Element' ||
-                            variable.type.returnType.fqn.globalFqn === '"react".JSX.Element')) ||
+                        isComponentReturnType(variable.type.returnType.fqn.globalFqn)) ||
                     (variable.type instanceof LCETypeDeclared && isReactFunctionComponentType(variable.type.fqn.globalFqn))
                 ) {
                     const component = new LCEReactComponent(variable.fqn, variable.variableName, []);
@@ -63,18 +62,23 @@ export class ReactComponentPostProcessor extends PostProcessor {
     }
 }
 
+function isComponentReturnType(globalFqn: string): boolean {
+    return [
+        '"react".React.ReactNode',
+        '"react".React.JSX.Element',
+        '"react".JSX.Element'
+    ].includes(globalFqn);
+}
+
 /**
  * returns whether the provided fqn belongs to an interface/type describing a React function component
  */
 function isReactFunctionComponentType(globalFqn: string): boolean {
-    switch (globalFqn) {
-        case '"react".React.FC':
-        case '"react".React.ExoticComponent':
-        case '"react".React.NamedExoticComponent':
-        case '"react".React.ForwardRefExoticComponent':
-        case '"react".React.MemoExoticComponent':
-            return true;
-        default:
-            return false;
-    }
+    return [
+        '"react".React.FC',
+        '"react".React.ExoticComponent',
+        '"react".React.NamedExoticComponent',
+        '"react".React.ForwardRefExoticComponent',
+        '"react".React.MemoExoticComponent'
+    ].includes(globalFqn);
 }