Fix some compiler warnings with newer target settings

package.json

@@ -46,7 +46,7 @@
     "prettier": "3.3.3",
     "puppeteer": "^23.3.0",
     "ts-node": "^10.9.2",
-    "typescript": "5.6.1-rc",
+    "typescript": "5.6.3",
     "typescript-eslint": "^8.4.0"
   },
   "files": [

src/lib/converter/utils/repository.ts

@@ -175,11 +175,7 @@ export class GitRepository implements Repository {
  */
 export class RepositoryManager {
     private cache = new Map<string, Repository | undefined>();
-    private assumedRepo = new AssumedRepository(
-        this.basePath,
-        this.gitRevision,
-        this.sourceLinkTemplate,
-    );
+    private assumedRepo: AssumedRepository;
 
     constructor(
         private basePath: string,
@@ -188,7 +184,13 @@ export class RepositoryManager {
         private sourceLinkTemplate: string,
         private disableGit: boolean,
         private logger: Logger,
-    ) {}
+    ) {
+        this.assumedRepo = new AssumedRepository(
+            this.basePath,
+            this.gitRevision,
+            this.sourceLinkTemplate,
+        );
+    }
 
     /**
      * Check whether the given file is placed inside a repository.

src/lib/models/reflections/parameter.ts

@@ -14,7 +14,7 @@ import type { Serializer, JSONOutput, Deserializer } from "../../serialization";
 export class ParameterReflection extends Reflection {
     readonly variant = "param";
 
-    override parent?: SignatureReflection;
+    declare parent?: SignatureReflection;
 
     defaultValue?: string;
 

src/lib/models/reflections/signature.ts

@@ -27,14 +27,14 @@ export class SignatureReflection extends Reflection {
         super(name, kind, parent);
     }
 
-    override kind!:
+    declare kind:
         | ReflectionKind.SetSignature
         | ReflectionKind.GetSignature
         | ReflectionKind.IndexSignature
         | ReflectionKind.CallSignature
         | ReflectionKind.ConstructorSignature;
 
-    override parent!: DeclarationReflection;
+    declare parent: DeclarationReflection;
 
     /**
      * A list of all source files that contributed to this reflection.

src/lib/models/reflections/type-parameter.ts

@@ -23,7 +23,7 @@ export type VarianceModifier =
 export class TypeParameterReflection extends Reflection {
     readonly variant = "typeParam";
 
-    override parent?: DeclarationReflection | SignatureReflection;
+    declare parent?: DeclarationReflection | SignatureReflection;
 
     type?: SomeType;
 

tsconfig.json

@@ -1,7 +1,7 @@
 {
     "compilerOptions": {
         "module": "Node16",
-        "lib": ["es2021"],
+        "lib": ["es2023"],
         "target": "es2021",
 
         // Add our `ts` internal types