feat: extracted sub command groups

src/core/options/addStatsSubCommandGroups.ts

@@ -0,0 +1,24 @@
+import { SlashCommandBuilder } from 'discord.js';
+import addPeriodSubCommands from './addPeriodSubCommands.js';
+import addTankChoices from './addTankChoices.js';
+import addUsernameOption from './addUsernameOption.js';
+
+export default function addStatsSubCommandGroups(option: SlashCommandBuilder) {
+  return option
+    .addSubcommandGroup((option) =>
+      addPeriodSubCommands(option, (option) =>
+        option.addStringOption(addUsernameOption),
+      )
+        .setName('player')
+        .setDescription("Player's statistics"),
+    )
+    .addSubcommandGroup((option) =>
+      addPeriodSubCommands(option, (option) =>
+        option
+          .addStringOption(addTankChoices)
+          .addStringOption(addUsernameOption),
+      )
+        .setName('tank')
+        .setDescription("Tank's statistics"),
+    );
+}