Verify member permissions

import { Message, PermissionResolvable, PermissionsBitField, PermissionsString, inlineCode } from 'discord.js';
import { Protector, execute } from 'sunar';

/** @param {PermissionsString[]} missing */
const res = (missing) => {
	const missingPerms = missing.map((p) => inlineCode(p)).join(', ');
	return `You need the ${missingPerms} permissions.`;
};

/** @param {...PermissionResolvable} perms */
export function memberPerms(...perms) {
	const protector = new Protector({
		commands: ['autocomplete', 'contextMenu', 'slash'],
		components: ['button', 'modal', 'selectMenu'],
		signals: ['interactionCreate', 'messageCreate'],
	});

	execute(protector, (arg, next) => {
		const entry = Array.isArray(arg) ? arg[0] : arg;
		if (!entry.guild) return next();

		const missing = getMissingPerms(entry.member?.permissions);
		const isMissing = missing.length > 0;

		if (entry instanceof Message) {
			if (!isMissing) return next();
			return entry.reply({ content: res(missing) });
		}

		if (entry.isAutocomplete() && isMissing) return entry.respond([]);
		if (entry.isRepliable() && isMissing) return entry.reply({ content: res(missing), ephemeral: true });

		return !isMissing && next();
	});

	/** @param {Readonly<PermissionsBitField> | string | undefined} bitField */
	function getMissingPerms(bitField) {
		if (!bitField || typeof bitField === 'string') return [];
		return bitField.missing(perms);
	}

	return protector;
}

import { Message, type PermissionResolvable, type PermissionsBitField, type PermissionsString, inlineCode } from 'discord.js';
import { Protector, execute } from 'sunar';

const res = (missing: PermissionsString[]) => {
	const missingPerms = missing.map((p) => inlineCode(p)).join(', ');
	return `You need the ${missingPerms} permissions.`;
};

export function memberPerms(...perms: PermissionResolvable[]) {
	const protector = new Protector({
		commands: ['autocomplete', 'contextMenu', 'slash'],
		components: ['button', 'modal', 'selectMenu'],
		signals: ['interactionCreate', 'messageCreate'],
	});

	execute(protector, (arg, next) => {
		const entry = Array.isArray(arg) ? arg[0] : arg;
		if (!entry.guild) return next();

		const missing = getMissingPerms(entry.member?.permissions);
		const isMissing = missing.length > 0;

		if (entry instanceof Message) {
			if (!isMissing) return next();
			return entry.reply({ content: res(missing) });
		}

		if (entry.isAutocomplete() && isMissing) return entry.respond([]);
		if (entry.isRepliable() && isMissing) return entry.reply({ content: res(missing), ephemeral: true });

		return !isMissing && next();
	});

	function getMissingPerms(bitField?: Readonly<PermissionsBitField> | string): PermissionsString[] {
		if (!bitField || typeof bitField === 'string') return [];
		return bitField.missing(perms);
	}

	return protector;
}