Convert to typescript the slash commands invite files (#24311)

Co-authored-by: Leonardo Ostjen Couto <leonardoostjen@gmail.com>

app/slashcommands-invite/client/client.js

-import { slashCommands } from '../../utils';
-
-slashCommands.add('invite', undefined, {
-	description: 'Invite_user_to_join_channel',
-	params: '@username',
-	permission: 'add-user-to-joined-room',
-});

app/slashcommands-invite/client/client.ts

+import { slashCommands } from '../../utils/lib/slashCommand';
+
+slashCommands.add(
+	'invite',
+	undefined,
+	{
+		description: 'Invite_user_to_join_channel',
+		params: '@username',
+		permission: 'add-user-to-joined-room',
+	},
+	undefined,
+	false,
+	undefined,
+	undefined,
+);

app/slashcommands-invite/server/server.js → app/slashcommands-invite/server/server.ts

 import { Meteor } from 'meteor/meteor';
-import { Match } from 'meteor/check';
 import { TAPi18n } from 'meteor/rocketchat:tap-i18n';
 
-import { slashCommands } from '../../utils';
-import { Subscriptions } from '../../models';
+import { settings } from '../../settings/server';
+import { slashCommands } from '../../utils/lib/slashCommand';
+import { Subscriptions } from '../../models/server';
 import { api } from '../../../server/sdk/api';
 
 /*
@@ -11,11 +11,7 @@ import { api } from '../../../server/sdk/api';
  * @param {Object} message - The message object
  */
 
-function Invite(command, params, item) {
-	if (command !== 'invite' || !Match.test(params, String)) {
-		return;
-	}
-
+function Invite(_command: 'invite', params: string, item: Record<string, string>): void {
 	const usernames = params
 		.split(/[\s,]/)
 		.map((username) => username.replace(/(^@)|( @)/, ''))
@@ -23,68 +19,73 @@ function Invite(command, params, item) {
 	if (usernames.length === 0) {
 		return;
 	}
-	let users = Meteor.users.find({
+	const users = Meteor.users.find({
 		username: {
 			$in: usernames,
 		},
 	});
-	const userId = Meteor.userId();
-	const currentUser = Meteor.users.findOne(userId);
+	const userId = Meteor.userId() as string;
 	if (users.count() === 0) {
 		api.broadcast('notify.ephemeralMessage', userId, item.rid, {
-			msg: TAPi18n.__(
-				'User_doesnt_exist',
-				{
-					postProcess: 'sprintf',
-					sprintf: [usernames.join(' @')],
-				},
-				currentUser.language,
-			),
+			msg: TAPi18n.__('User_doesnt_exist', {
+				postProcess: 'sprintf',
+				sprintf: [usernames.join(' @')],
+				lng: settings.get('Language') || 'en',
+			}),
 		});
 		return;
 	}
-	users = users.fetch().filter(function (user) {
+	const usersFiltered = users.fetch().filter(function (user) {
 		const subscription = Subscriptions.findOneByRoomIdAndUserId(item.rid, user._id, {
 			fields: { _id: 1 },
 		});
 		if (subscription == null) {
 			return true;
 		}
+		const usernameStr = user.username as string;
 		api.broadcast('notify.ephemeralMessage', userId, item.rid, {
-			msg: TAPi18n.__(
-				'Username_is_already_in_here',
-				{
-					postProcess: 'sprintf',
-					sprintf: [user.username],
-				},
-				currentUser.language,
-			),
+			msg: TAPi18n.__('Username_is_already_in_here', {
+				postProcess: 'sprintf',
+				sprintf: [usernameStr],
+				lng: settings.get('Language') || 'en',
+			}),
 		});
 		return false;
 	});
 
-	users.forEach(function (user) {
+	usersFiltered.forEach(function (user) {
 		try {
 			return Meteor.call('addUserToRoom', {
 				rid: item.rid,
 				username: user.username,
 			});
 		} catch ({ error }) {
+			if (typeof error !== 'string') {
+				return;
+			}
 			if (error === 'cant-invite-for-direct-room') {
 				api.broadcast('notify.ephemeralMessage', userId, item.rid, {
-					msg: TAPi18n.__('Cannot_invite_users_to_direct_rooms', null, currentUser.language),
+					msg: TAPi18n.__('Cannot_invite_users_to_direct_rooms', { lng: settings.get('Language') || 'en' }),
 				});
 			} else {
 				api.broadcast('notify.ephemeralMessage', userId, item.rid, {
-					msg: TAPi18n.__(error, null, currentUser.language),
+					msg: TAPi18n.__(error, { lng: settings.get('Language') || 'en' }),
 				});
 			}
 		}
 	});
 }
 
-slashCommands.add('invite', Invite, {
-	description: 'Invite_user_to_join_channel',
-	params: '@username',
-	permission: 'add-user-to-joined-room',
-});
+slashCommands.add(
+	'invite',
+	Invite,
+	{
+		description: 'Invite_user_to_join_channel',
+		params: '@username',
+		permission: 'add-user-to-joined-room',
+	},
+	undefined,
+	false,
+	undefined,
+	undefined,
+);