Chore: Convert to typescript the slash commands help files (#24307)

Co-authored-by: Pierre Lehnen <pierre.lehnen@rocket.chat>
Co-authored-by: Pierre Lehnen <55164754+pierre-lehnen-rc@users.noreply.github.com>

apps/meteor/app/slashcommands-help/server/server.js

-import { Meteor } from 'meteor/meteor';
-import { TAPi18n } from 'meteor/rocketchat:tap-i18n';
-
-import { slashCommands } from '../../utils';
-import { api } from '../../../server/sdk/api';
-
-/*
- * Help is a named function that will replace /join commands
- * @param {Object} message - The message object
- */
-
-slashCommands.add(
-	'help',
-	function Help(command, params, item) {
-		const user = Meteor.users.findOne(Meteor.userId());
-		const keys = [
-			{
-				Open_channel_user_search: 'Command (or Ctrl) + p OR Command (or Ctrl) + k',
-			},
-			{
-				Mark_all_as_read: 'Shift (or Ctrl) + ESC',
-			},
-			{
-				Edit_previous_message: 'Up Arrow',
-			},
-			{
-				Move_beginning_message: 'Command (or Alt) + Left Arrow',
-			},
-			{
-				Move_beginning_message: 'Command (or Alt) + Up Arrow',
-			},
-			{
-				Move_end_message: 'Command (or Alt) + Right Arrow',
-			},
-			{
-				Move_end_message: 'Command (or Alt) + Down Arrow',
-			},
-			{
-				New_line_message_compose_input: 'Shift + Enter',
-			},
-		];
-		keys.forEach((key) => {
-			api.broadcast('notify.ephemeralMessage', Meteor.userId(), item.rid, {
-				msg: TAPi18n.__(
-					Object.keys(key)[0],
-					{
-						postProcess: 'sprintf',
-						sprintf: [key[Object.keys(key)[0]]],
-					},
-					user.language,
-				),
-			});
-		});
-	},
-	{
-		description: 'Show_the_keyboard_shortcut_list',
-	},
-);

apps/meteor/app/slashcommands-help/server/server.ts

+import { Meteor } from 'meteor/meteor';
+import { TAPi18n } from 'meteor/rocketchat:tap-i18n';
+import type { IMessage } from '@rocket.chat/core-typings';
+
+import { settings } from '../../settings/server';
+import { slashCommands } from '../../utils/lib/slashCommand';
+import { api } from '../../../server/sdk/api';
+import { Users } from '../../models/server';
+
+/*
+ * Help is a named function that will replace /help commands
+ * @param {Object} message - The message object
+ */
+
+interface IHelpCommand {
+	key: string;
+	command: string;
+}
+
+function Help(_command: 'help', _params: string, item: IMessage): void {
+	const userId = Meteor.userId() as string;
+	const user = Users.findOneById(userId);
+
+	const keys: IHelpCommand[] = [
+		{
+			key: 'Open_channel_user_search',
+			command: 'Command (or Ctrl) + p OR Command (or Ctrl) + k',
+		},
+		{
+			key: 'Mark_all_as_read',
+			command: 'Shift (or Ctrl) + ESC',
+		},
+		{
+			key: 'Edit_previous_message',
+			command: 'Up Arrow',
+		},
+		{
+			key: 'Move_beginning_message',
+			command: 'Command (or Alt) + Left Arrow',
+		},
+		{
+			key: 'Move_beginning_message',
+			command: 'Command (or Alt) + Up Arrow',
+		},
+		{
+			key: 'Move_end_message',
+			command: 'Command (or Alt) + Right Arrow',
+		},
+		{
+			key: 'Move_end_message',
+			command: 'Command (or Alt) + Down Arrow',
+		},
+		{
+			key: 'New_line_message_compose_input',
+			command: 'Shift + Enter',
+		},
+	];
+	keys.forEach((key) => {
+		api.broadcast('notify.ephemeralMessage', userId, item.rid, {
+			msg: TAPi18n.__(key.key, {
+				postProcess: 'sprintf',
+				sprintf: [key.command],
+				lng: user?.language || settings.get('Language') || 'en',
+			}),
+		});
+	});
+}
+
+slashCommands.add(
+	'help',
+	Help,
+	{
+		description: 'Show_the_keyboard_shortcut_list',
+	},
+	undefined,
+	false,
+	undefined,
+	undefined,
+);