Add QObject.children()

src/cpp/include/nodegui/QtCore/QObject/qobject_macro.h

@@ -109,6 +109,16 @@
     Napi::Env env = info.Env();                                              \
     delete static_cast<QObject*>(this->instance);                            \
     return env.Null();                                                       \
+  }                                                                          \
+  Napi::Value children(const Napi::CallbackInfo& info) {                     \
+    Napi::Env env = info.Env();                                              \
+    QObjectList children = this->instance->children();                       \
+    Napi::Array resultArrayNapi = Napi::Array::New(env, children.size());    \
+    for (int i = 0; i < children.size(); i++) {                              \
+      resultArrayNapi[i] =                                                   \
+          WrapperCache::instance.getWrapper(env, children[i]);               \
+    }                                                                        \
+    return resultArrayNapi;                                                  \
   }
 
 // Ideally this macro below should go in
@@ -155,7 +165,8 @@
       InstanceMethod("killTimer", &ComponentWrapName::killTimer),           \
       InstanceMethod("parent", &ComponentWrapName::parent),                 \
       InstanceMethod("deleteLater", &ComponentWrapName::deleteLater),       \
-      InstanceMethod("delete", &ComponentWrapName::deleteObject),
+      InstanceMethod("delete", &ComponentWrapName::deleteObject),           \
+      InstanceMethod("children", &ComponentWrapName::children),
 
 #endif  // QOBJECT_WRAPPED_METHODS_EXPORT_DEFINE
 

src/lib/QtCore/QObject.ts

@@ -70,6 +70,9 @@ export class QObject<Signals extends QObjectSignals = QObjectSignals> extends Ev
     deleteLater(): void {
         this.native.deleteLater();
     }
+    children(): QObject[] {
+        return this.native.children().map((kid: any) => wrapperCache.getWrapper(kid));
+    }
 }
 
 export interface QObjectSignals {

src/lib/core/__test__/WrapperCache.test.ts

@@ -82,5 +82,16 @@ describe('WrapperCache using CacheTestQObject', () => {
         expect(b.native).toBeNull();
     });
 
+    it('Object.children()', () => {
+        wrapperCache._flush();
+        const parent = new QObject();
+        const kid1 = new QObject(parent);
+        const kid2 = new QObject(parent);
+        const allKids = parent.children();
+        expect(allKids.length).toBe(2);
+        expect(allKids[0]).toEqual(kid1);
+        expect(allKids[1]).toEqual(kid2);
+    });
+
     qApp.quit();
 });