Looking for a good way to organize subcommand groups

const { SlashCommandBuilder } = require('discord.js');
const subTest = require('../../utils/subTest');

module.exports = {
  data: new SlashCommandBuilder()
    .setName('cmd')
    .setDescription('Subcommand test')
    .addSubcommandGroup((subcommandGroup) =>
      subcommandGroup
        .setName('group1')
        .setDescription('group 1')
        .addSubcommand((subcommand) =>
          subcommand.setName('sub1-1').setDescription('sub 1-1')
        )
        .addSubcommand((subcommand) =>
          subcommand.setName('sub1-2').setDescription('sub 1-2')
        )
    )
    .addSubcommandGroup((subcommandGroup) =>
      subcommandGroup
        .setName('group2')
        .setDescription('group 2')
        .addSubcommand((subcommand) =>
          subcommand.setName('sub2-1').setDescription('sub 2-1')
        )
        .addSubcommand((subcommand) =>
          subcommand.setName('sub2-2').setDescription('sub 2-1')
        )
    )
    .addSubcommand((subcommand) =>
      subcommand.setName('outside').setDescription('outside sub')
    ),

  async execute(client, interaction) {
    console.log(interaction.options.getSubcommand());
    if (interaction.options.getSubcommand() === 'sub1-1') {
      await interaction.reply('sub1-2');

      // Call required function here
      subTest();
    } else {
      await interaction.reply('other subcomand');
    }
  },
};