fix: autocomplete in nested form

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@sern/handler",
-  "version": "1.1.7-beta",
+  "version": "1.1.8-beta",
   "description": "A customizable, batteries-included, powerful discord.js framework to automate and streamline bot development.",
   "main": "dist/index.js",
   "scripts": {
@@ -21,7 +21,7 @@
   "author": "SernDevs",
   "license": "MIT",
   "dependencies": {
-    "discord.js": "^14.0.3",
+    "discord.js": "^14.1.2",
     "rxjs": "^7.5.6",
     "ts-pattern": "^4.0.2",
     "ts-results": "^3.3.0"

src/handler/events/dispatchers.ts

@@ -23,6 +23,7 @@ import type {
 } from 'discord.js';
 import { isAutocomplete } from '../utilities/predicates';
 import { SernError } from '../structures/errors';
+import treeSearch from '../utilities/treeSearch';
 
 export function applicationCommandDispatcher(interaction: Interaction) {
     if (isAutocomplete(interaction)) {
@@ -41,10 +42,9 @@ export function applicationCommandDispatcher(interaction: Interaction) {
 }
 
 export function dispatchAutocomplete(interaction: AutocompleteInteraction) {
-    const choice = interaction.options.getFocused(true);
     return (mod: BothCommand | SlashCommand) => {
-        const selectedOption = mod.options?.find(o => o.autocomplete && o.name === choice.name);
-        if (selectedOption !== undefined && selectedOption.autocomplete) {
+        const selectedOption = treeSearch(interaction, mod.options);
+        if (selectedOption !== undefined) {
             return {
                 mod,
                 execute: () => selectedOption.command.execute(interaction),

src/handler/utilities/treeSearch.ts

@@ -0,0 +1,31 @@
+import type { SernOptionsData } from '../structures/module';
+import { ApplicationCommandOptionType, AutocompleteInteraction } from 'discord.js';
+
+export default function treeSearch(iAutocomplete: AutocompleteInteraction, options: SernOptionsData[] | undefined) {
+    if(options === undefined) return undefined;
+    const _options = options.slice(); // required to prevent direct mutation of options
+    while ( _options.length > 0 ) {
+        const cur = _options.pop()!;
+        switch ( cur.type ) {
+            case ApplicationCommandOptionType.Subcommand : {
+                for ( const option of cur.options ?? [] ) {
+                    _options.push(option);
+                }
+            } break;
+            case ApplicationCommandOptionType.SubcommandGroup : {
+                for (const command of cur.options ?? []) {
+                    _options.push(command);
+                }
+            } break;
+            default : {
+                if(cur.autocomplete) {
+                    const choice = iAutocomplete.options.getFocused(true);
+                    if(cur.name === choice.name && cur.autocomplete) {
+                        return cur;
+                    }
+                        return undefined;
+                }
+            } break;
+        }
+    }
+}