utils/structures/BaseCommand.ts

import { ModalSubmitInteraction } from 'discord-modals';
import { PermissionResolvable, AutocompleteInteraction, CommandInteraction, CommandInteractionOption, ContextMenuInteraction, Interaction, Message, MessageEditOptions, MessageOptions, MessagePayload, WebhookEditMessageOptions, SelectMenuInteraction, ButtonInteraction, GuildMember } from 'discord.js';
import DiscordClient from '../../client/Client';
import AutoCompleteOptions from '../../types/AutoCompleteOptions';
import CommandOptions from '../../types/CommandOptions';
import InteractionOptions from '../../types/InteractionOptions';

export default abstract class BaseCommand {
    supportsInteractions: boolean = false;
    supportsLegacy: boolean = true;
    supportsContextMenu: boolean = false;
    coolDown?: number;
    ownerOnly: boolean = false;
    permissions: PermissionResolvable[] = [];
    
    constructor(private name: string, private category: string, private aliases: Array<string>) {
 
    }

    getName(): string { 
        return this.name; 
    }

    getCategory(): string { 
        return this.category; 
    }

    getAliases(): Array<string> { 
        return this.aliases; 
    }

    async autoComplete(client: DiscordClient, interaction: AutocompleteInteraction, options: AutoCompleteOptions): Promise <void> {

    }

    async default(client: DiscordClient, interaction: Interaction): Promise <void> {
        
    }

    async modalSubmit(client: DiscordClient, interaction: ModalSubmitInteraction): Promise <void> {
        
    }

    async deferReply(msg: Message | CommandInteraction | ContextMenuInteraction, options: MessageOptions | string | MessagePayload | WebhookEditMessageOptions, edit: boolean = false): Promise<Message | CommandInteraction> {
        if (msg instanceof Message) {
            return await msg[edit ? 'edit' : 'reply'](options as (MessageOptions & MessageEditOptions));
        }
        
        return (await msg.editReply(options as string | MessagePayload | WebhookEditMessageOptions)) as Message;
    }

    async perms(client: DiscordClient, message: Message | Interaction) {
        let member: GuildMember | null = null;

        if (message.member && !(message.member instanceof GuildMember)) {
            try {
                member = (await message.guild?.members.fetch(message.member!.user.id)) ?? null;
            }
            catch (e) {
                console.log(e);
                return false;
            }
        }
        else {
            member = message.member;
        }

        for await (let permission of this.permissions) {
            if (!member?.permissions.has(permission, true)) {                
                if (message instanceof Interaction && !message.isRepliable())
                    return; 
    
                await message.reply({
                    embeds: [
                        {
                            description: ":x: You don't have enough permissions to run this command.",
                            color: 0xf14a60
                        }
                    ]
                });
    
                return false;
            }
        }

        return true;
    }

    async execute(client: DiscordClient, message: Message | Interaction, options: CommandOptions | InteractionOptions) {
        if (!(await this.perms(client, message))) {
            return;
        } 

        await this.run(client, message, options);
    }

    abstract run(client: DiscordClient, message: Message | Interaction, options: CommandOptions | InteractionOptions): Promise<void>;
}
1	import { ModalSubmitInteraction } from 'discord-modals';
2	import { PermissionResolvable, AutocompleteInteraction, CommandInteraction, CommandInteractionOption, ContextMenuInteraction, Interaction, Message, MessageEditOptions, MessageOptions, MessagePayload, WebhookEditMessageOptions, SelectMenuInteraction, ButtonInteraction, GuildMember } from 'discord.js';
3	import DiscordClient from '../../client/Client';
4	import AutoCompleteOptions from '../../types/AutoCompleteOptions';
5	import CommandOptions from '../../types/CommandOptions';
6	import InteractionOptions from '../../types/InteractionOptions';
7
8	export default abstract class BaseCommand {
9	supportsInteractions: boolean = false;
10	supportsLegacy: boolean = true;
11	supportsContextMenu: boolean = false;
12	coolDown?: number;
13	ownerOnly: boolean = false;
14	permissions: PermissionResolvable[] = [];
15
16	constructor(private name: string, private category: string, private aliases: Array<string>) {
17
18	}
19
20	getName(): string {
21	return this.name;
22	}
23
24	getCategory(): string {
25	return this.category;
26	}
27
28	getAliases(): Array<string> {
29	return this.aliases;
30	}
31
32	async autoComplete(client: DiscordClient, interaction: AutocompleteInteraction, options: AutoCompleteOptions): Promise <void> {
33
34	}
35
36	async default(client: DiscordClient, interaction: Interaction): Promise <void> {
37
38	}
39
40	async modalSubmit(client: DiscordClient, interaction: ModalSubmitInteraction): Promise <void> {
41
42	}
43
44	async deferReply(msg: Message \| CommandInteraction \| ContextMenuInteraction, options: MessageOptions \| string \| MessagePayload \| WebhookEditMessageOptions, edit: boolean = false): Promise<Message \| CommandInteraction> {
45	if (msg instanceof Message) {
46	return await msg[edit ? 'edit' : 'reply'](options as (MessageOptions & MessageEditOptions));
47	}
48
49	return (await msg.editReply(options as string \| MessagePayload \| WebhookEditMessageOptions)) as Message;
50	}
51
52	async perms(client: DiscordClient, message: Message \| Interaction) {
53	let member: GuildMember \| null = null;
54
55	if (message.member && !(message.member instanceof GuildMember)) {
56	try {
57	member = (await message.guild?.members.fetch(message.member!.user.id)) ?? null;
58	}
59	catch (e) {
60	console.log(e);
61	return false;
62	}
63	}
64	else {
65	member = message.member;
66	}
67
68	for await (let permission of this.permissions) {
69	if (!member?.permissions.has(permission, true)) {
70	if (message instanceof Interaction && !message.isRepliable())
71	return;
72
73	await message.reply({
74	embeds: [
75	{
76	description: ":x: You don't have enough permissions to run this command.",
77	color: 0xf14a60
78	}
79	]
80	});
81
82	return false;
83	}
84	}
85
86	return true;
87	}
88
89	async execute(client: DiscordClient, message: Message \| Interaction, options: CommandOptions \| InteractionOptions) {
90	if (!(await this.perms(client, message))) {
91	return;
92	}
93
94	await this.run(client, message, options);
95	}
96
97	abstract run(client: DiscordClient, message: Message \| Interaction, options: CommandOptions \| InteractionOptions): Promise<void>;
98	}