added message with select menu...

accessor for children and append method

src/commands/NestedCommand.ts

@@ -1,10 +1,12 @@
-import { Message } from "discord.js";
+import { Message, MessageActionRow, MessageEmbed, MessageSelectMenu } from "discord.js";
 import { BaseCommand } from "./BaseCommand.js";
+import { SubCommand } from "./SubCommand.js";
+import { SubCommandGroup } from "./SubCommandGroup.js";
 import { CommandRegExps } from "./types/commands.js";
 import { NestedCommandInit } from "./types/NestedCommand.js";
 
 export class NestedCommand extends BaseCommand {
-    private readonly _children: any[] = [];
+    private readonly _children: (SubCommand | SubCommandGroup)[] = [];
 
     constructor(o: NestedCommandInit) {
         super("CHAT", {
@@ -13,6 +15,37 @@ export class NestedCommand extends BaseCommand {
             announceSuccess: false,
             function: (i) => {
                 if (i instanceof Message) {
+                    const msg = new MessageEmbed({
+                        title: `${this.name}`,
+                        description: "This is a nested command. Please select one of the following subcommands",
+                        timestamp: Date.now(),
+                        hexColor: "#ff5500",
+                    });
+                    const list = new MessageSelectMenu();
+                    list.setPlaceholder("Select a subcommand");
+                    list.customId = `${i.author.id}/${i.channel.id}`;
+                    const options = this._children
+                        .map((c) => {
+                            if (c instanceof SubCommand) {
+                                return { label: c.name, description: c.description, value: c.name };
+                            } else {
+                                const nested = c.children.map((ch) => {
+                                    return {
+                                        label: ch.name,
+                                        description: ch.description,
+                                        value: c.name,
+                                    };
+                                });
+                                return nested;
+                            }
+                        })
+                        .flat(1);
+                    list.addOptions(...options);
+                    const commandBar = new MessageActionRow({ components: [list] });
+                    return {
+                        embeds: [msg],
+                        components: [commandBar],
+                    };
                 } else {
                     throw new Error("Illegal command call");
                 }
@@ -22,4 +55,18 @@ export class NestedCommand extends BaseCommand {
             throw new Error(`"${o.name}" is not a valid command name (regexp: ${CommandRegExps.chatName})`);
         }
     }
+
+    get children() {
+        return Object.freeze([...this._children]);
+    }
+
+    public append(sc: SubCommand | SubCommandGroup): SubCommand | SubCommandGroup {
+        if (this._children.find((c) => c.name === sc.name)) {
+            throw new Error(`The name "${sc.name}" is already registered in "${this.name}"`);
+        } else {
+            sc.parent = this;
+            this._children.push(sc);
+            return sc;
+        }
+    }
 }