create throwable response class

Author: zefir-git

src/response/ThrowableResponse.ts

@@ -0,0 +1,37 @@
+import {Response} from "./Response.js";
+
+/**
+ * An (error) response that is thrown. Will be caught by the server and sent to the client.
+ */
+export class ThrowableResponse<T extends Response> extends Error {
+    public override name = ThrowableResponse.name;
+
+    /**
+     * The response to send to the client.
+     */
+    protected readonly response: T;
+
+    /**
+     * An optional error to emit on the server’s error event.
+     */
+    protected readonly error: Error | null;
+
+    /**
+     * Create a new throwable response.
+     * @param response The response to send to the client.
+     * @param [error] An optional error to emit on the server’s error event.
+     */
+    public constructor(response: T, error?: Error) {
+        super();
+        this.response = response;
+        this.error = error ?? null;
+    }
+
+    public getResponse(): T {
+        return this.response;
+    }
+
+    public getError(): Error | null {
+        return this.error;
+    }
+}