src/utils/parseInput.ts

import DiscordClient from '../client/Client';
import { User, GuildMember, GuildChannel, Role, Guild } from 'discord.js';

export async function parseUser(client: DiscordClient, input: string): Promise <User | null> {
    if (!/^\<\@(\!)?(\d+)\>$/.test(input.trim())) {
        return null;
    }   

    let user: User | null = null;   

    try {
        user = await client.users.fetch(input.trim().substring(input.includes('!') ? 3 : 2, input.trim().length - 1));
    }
    catch (e) {
        return null;
    }

    return user;
}

export async function parseMember(guild: Guild, input: string): Promise <GuildMember | null> {
    if (!/^\<\@(\!)?(\d+)\>$/.test(input.trim())) {
        return null;
    }   

    let user: GuildMember | null = null;    

    try {
        user = await guild.members.fetch(input.trim().substring(input.includes('!') ? 3 : 2, input.trim().length - 1));
    }
    catch (e) {
        return null;
    }

    return user;
}

export async function parseChannel(guild: Guild, input: string): Promise <GuildChannel | null> {
    if (!/^\<\#(\d+)\>$/.test(input.trim())) {
        return null;
    }   

    let channel: GuildChannel | null = null;    

    try {
        channel = await guild.channels.fetch(input.trim().substring(2, input.trim().length - 1));
    }
    catch (e) {
        return null;
    }

    return channel;
}

export async function parseRole(guild: Guild, input: string): Promise <Role | null> {
    if (!/^\<\@\&(\d+)\>$/.test(input.trim())) {
        return null;
    }   

    let role: Role | null = null;   

    try {
        role = await guild.roles.fetch(input.trim().substring(3, input.trim().length - 1));
    }
    catch (e) {
        return null;
    }

    return role;
}
1	rakinar2	577	import DiscordClient from '../client/Client';
2			import { User, GuildMember, GuildChannel, Role, Guild } from 'discord.js';
3
4			export async function parseUser(client: DiscordClient, input: string): Promise <User \| null> {
5			if (!/^\<\@(\!)?(\d+)\>$/.test(input.trim())) {
6			return null;
7			}
8
9			let user: User \| null = null;
10
11			try {
12			user = await client.users.fetch(input.trim().substring(input.includes('!') ? 3 : 2, input.trim().length - 1));
13			}
14			catch (e) {
15			return null;
16			}
17
18			return user;
19			}
20
21			export async function parseMember(guild: Guild, input: string): Promise <GuildMember \| null> {
22			if (!/^\<\@(\!)?(\d+)\>$/.test(input.trim())) {
23			return null;
24			}
25
26			let user: GuildMember \| null = null;
27
28			try {
29			user = await guild.members.fetch(input.trim().substring(input.includes('!') ? 3 : 2, input.trim().length - 1));
30			}
31			catch (e) {
32			return null;
33			}
34
35			return user;
36			}
37
38			export async function parseChannel(guild: Guild, input: string): Promise <GuildChannel \| null> {
39			if (!/^\<\#(\d+)\>$/.test(input.trim())) {
40			return null;
41			}
42
43			let channel: GuildChannel \| null = null;
44
45			try {
46			channel = await guild.channels.fetch(input.trim().substring(2, input.trim().length - 1));
47			}
48			catch (e) {
49			return null;
50			}
51
52			return channel;
53			}
54
55			export async function parseRole(guild: Guild, input: string): Promise <Role \| null> {
56			if (!/^\<\@\&(\d+)\>$/.test(input.trim())) {
57			return null;
58			}
59
60			let role: Role \| null = null;
61
62			try {
63			role = await guild.roles.fetch(input.trim().substring(3, input.trim().length - 1));
64			}
65			catch (e) {
66			return null;
67			}
68
69			return role;
70			}