fix: Inherit comments from parent methods

Resolves #1580

src/lib/converter/plugins/ImplementsPlugin.ts

@@ -171,6 +171,7 @@ export class ImplementsPlugin extends ConverterComponent {
                             parentSig,
                             context.project
                         );
+                        copyComment(childSig, parentSig);
                     }
 
                     child[key] = new ReferenceType(

src/lib/converter/plugins/TypePlugin.ts

@@ -98,11 +98,11 @@ export class TypePlugin extends ConverterComponent {
     private onResolveEnd(context: Context) {
         this.reflections.forEach((reflection) => {
             if (reflection.implementedBy) {
-                reflection.implementedBy.sort((a: any, b: any) => {
-                    if (a["name"] === b["name"]) {
+                reflection.implementedBy.sort((a, b) => {
+                    if (a.name === b.name) {
                         return 0;
                     }
-                    return a["name"] > b["name"] ? 1 : -1;
+                    return a.name > b.name ? 1 : -1;
                 });
             }
 

src/test/converter2.test.ts

@@ -194,6 +194,17 @@ const issueTests: Record<string, (project: ProjectReflection) => void> = {
             "Symbol re-exported from ignored file is ignored."
         );
     },
+
+    gh1580(project) {
+        ok(
+            query(project, "B.prop").hasComment(),
+            "Overwritten property with no comment should be inherited"
+        );
+        ok(
+            query(project, "B.run").signatures?.[0]?.hasComment(),
+            "Overwritten method with no comment should be inherited"
+        );
+    },
 };
 
 describe("Converter2", () => {

src/test/converter2/issues/gh1580.ts

@@ -0,0 +1,18 @@
+export class A {
+    /** Prop docs */
+    prop!: string;
+
+    /** Run docs */
+    run(): void {
+        console.log("A");
+    }
+}
+
+export class B extends A {
+    prop!: "B";
+
+    run(): void {
+        super.run();
+        console.log("B");
+    }
+}