Repository: discordjs/discord.js
File: packages/discord.js/src/structures/interfaces/InteractionResponses.js (JavaScript)

Code before:
   *   .catch(console.error)
   * @example
   * // Defer to send an ephemeral reply later
   * interaction.deferReply({ ephemeral: true })
   *   .then(console.log)
   *   .catch(console.error);
   */
  async deferReply(options = {}) {
    if (this.deferred || this.replied) throw new DiscordjsError(ErrorCodes.InteractionAlreadyReplied);
    this.ephemeral = options.ephemeral ?? false;
    const response = await this.client.rest.post(Routes.interactionCallback(this.id, this.token), {
      body: {
        type: InteractionResponseType.DeferredChannelMessageWithSource,
        data: {
          flags: options.ephemeral ? MessageFlags.Ephemeral : undefined,
        },
      },
      auth: false,
      query: makeURLSearchParams({ with_response: options.withResponse ?? false }),
    });
    this.deferred = true;

    if (options.withResponse) {
      return new InteractionCallbackResponse(this.client, response);
    } else {
      return options.fetchReply ? this.fetchReply() : new InteractionResponse(this);
    }
  }

  /**
   * Creates a reply to this interaction.
   * <info>Use the `fetchReply` option to get the bot's reply message.</info>
   * @param {string|MessagePayload|InteractionReplyOptions} options The options for the reply
   * @returns {Promise<Message|InteractionResponse|InteractionCallbackResponse>}
   * @example
   * // Reply to the interaction and fetch the response
   * interaction.reply({ content: 'Pong!', fetchReply: true })
   *   .then((message) => console.log(`Reply sent with content ${message.content}`))
   *   .catch(console.error);
   * @example
   * // Create an ephemeral reply with an embed
   * const embed = new EmbedBuilder().setDescription('Pong!');
   *
   * interaction.reply({ embeds: [embed], ephemeral: true })
   *   .then(() => console.log('Reply sent.'))
   *   .catch(console.error);
   */
  async reply(options) {
    if (this.deferred || this.replied) throw new DiscordjsError(ErrorCodes.InteractionAlreadyReplied);

    let messagePayload;

Review comment (suggestion):
```suggestion

    return options.fetchReply ? this.fetchReply() : new InteractionResponse(this);
```

Code after:
  async deferReply(options = {}) {
    if (this.deferred || this.replied) throw new DiscordjsError(ErrorCodes.InteractionAlreadyReplied);

    const response = await this.client.rest.post(Routes.interactionCallback(this.id, this.token), {
      body: {
        type: InteractionResponseType.DeferredChannelMessageWithSource,
        data: {
          flags: options.flags,
        },
      },
      auth: false,
      query: makeURLSearchParams({ with_response: options.withResponse ?? false }),
    });

    this.deferred = true;
    this.ephemeral = Boolean(options.flags & MessageFlags.Ephemeral);

    return options.withResponse
      ? new InteractionCallbackResponse(this.client, response)
      : new InteractionResponse(this);
  }

  /**
   * Creates a reply to this interaction.
   * <info>Use the `withResponse` option to get the interaction callback response.</info>
   * @param {string|MessagePayload|InteractionReplyOptions} options The options for the reply
   * @returns {Promise<InteractionResponse|InteractionCallbackResponse>}
   * @example
   * // Reply to the interaction and fetch the response
   * interaction.reply({ content: 'Pong!', withResponse: true })
   *   .then((response) => console.log(`Reply sent with content ${response.resource.message.content}`))
   *   .catch(console.error);
   * @example
   * // Create an ephemeral reply with an embed
   * const embed = new EmbedBuilder().setDescription('Pong!');
   *
   * interaction.reply({ embeds: [embed], flags: MessageFlags.Ephemeral })
   *   .then(() => console.log('Reply sent.'))
   *   .catch(console.error);
   */
  async reply(options) {
    if (this.deferred || this.replied) throw new DiscordjsError(ErrorCodes.InteractionAlreadyReplied);

    let messagePayload;
    if (options instanceof MessagePayload) messagePayload = options;
    else messagePayload = MessagePayload.create(this, options);

    const { body: data, files } = await messagePayload.resolveBody().resolveFiles();

    const response = await this.client.rest.post(Routes.interactionCallback(this.id, this.token), {
      body: {