Function setRequestHandler

src/shared/protocol.ts:1418–1432

* Registers a handler to invoke when this protocol object receives a request with the given method. * * Note that this will replace any previous request handler for the same method.

(
        requestSchema: T,
        handler: (
            request: SchemaOutput<T>,
            extra: RequestHandlerExtra<SendRequestT, SendNotificationT>
        ) => SendResultT | Promise<SendResultT>
    )

     * Note that this will replace any previous request handler for the same method.
     */
    setRequestHandler<T extends AnyObjectSchema>(
        requestSchema: T,
        handler: (
            request: SchemaOutput<T>,
            extra: RequestHandlerExtra<SendRequestT, SendNotificationT>
        ) => SendResultT | Promise<SendResultT>
    ): void {
        const method = getMethodLiteral(requestSchema);
        this.assertRequestHandlerCapability(method);

        this._requestHandlers.set(method, (request, extra) => {
            const parsed = parseWithCompat(requestSchema, request) as SchemaOutput<T>;
            return Promise.resolve(handler(parsed, extra));
        });
    }

    /**
     * Removes the request handler for the given method.