@jsxc/jsxc/src/plugins/MeCommandPlugin.ts

Real-time XMPP chat application with video calls, file transfer and encrypted communication

import { AbstractPlugin, IMetaData } from '../plugin/AbstractPlugin';
import PluginAPI from '../plugin/PluginAPI';
import Contact from '../Contact';
import Translation from '@util/Translation';
import { DIRECTION } from '@src/Message.interface';

const MIN_VERSION = '4.0.0';
const MAX_VERSION = '99.0.0';

export default class MeCommandPlugin extends AbstractPlugin {
   public static getId(): string {
      return 'me-command';
   }

   public static getName(): string {
      return 'The /me Command';
   }

   public static getMetaData(): IMetaData {
      return {
         description: Translation.t('setting-meCommand-enable'),
         xeps: [
            {
               id: 'XEP-0245',
               name: 'The /me Command',
               version: '1.0',
            },
         ],
      };
   }

   constructor(pluginAPI: PluginAPI) {
      super(MIN_VERSION, MAX_VERSION, pluginAPI);

      pluginAPI.registerTextFormatter(this.textFormatter);

      pluginAPI.registerCommand('/me', async () => false, 'cmd_me');
   }

   private textFormatter = (plaintext: string, direction: DIRECTION, contact: Contact, senderName: string) => {
      let meRegex = /^\/me /;

      if (direction !== DIRECTION.IN) {
         return plaintext.replace(meRegex, `<i>/me</i> `);
      }

      if (!senderName && !contact) {
         return plaintext;
      }

      if (meRegex.test(plaintext)) {
         let name = senderName || contact.getName();

         if (name.indexOf('@') > -1) {
            name = name.slice(0, name.indexOf('@'));
         }

         plaintext = plaintext.replace(meRegex, `<i title="/me">${name}</i> `);
      }

      return plaintext;
   };
}