Demo Bot: first proof of concept.

bots/.eslintrc.json

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+{
+  "root": true,
+  "env": {
+      "browser": false,
+      "es6": true
+  },
+  "extends": [
+      "standard-with-typescript"
+  ],
+  "globals": {},
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+      "ecmaVersion": 2018,
+      "project": [
+          "./bots/tsconfig.json"
+      ]
+  },
+  "plugins": [
+      "@typescript-eslint"
+  ],
+  "ignorePatterns": [],
+  "rules": {
+      "@typescript-eslint/no-unused-vars": [2, {"argsIgnorePattern": "^_"}],
+      "@typescript-eslint/no-floating-promises": "error",
+      "@typescript-eslint/no-misused-promises": "error",
+      "@typescript-eslint/no-var-requires": "off",
+      "@typescript-eslint/strict-boolean-expressions": "off",
+      "@typescript-eslint/return-await": [2, "in-try-catch"], // FIXME: correct?
+      "@typescript-eslint/no-invalid-void-type": "off",
+      "@typescript-eslint/triple-slash-reference": "off",
+      "max-len": [
+        "error",
+        {
+          "code": 120,
+          "comments": 120
+        }
+      ],
+      "no-unused-vars": "off"
+  }
+}

bots/bots.ts

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+import * as path from 'path'
+
+let demoBotConfigFile = process.argv[2]
+if (!demoBotConfigFile) {
+  throw new Error('Missing parameter: the demobot configuration file path')
+}
+demoBotConfigFile = path.resolve(demoBotConfigFile)
+
+// Not necessary, but just in case: perform some path checking...
+function checkBotConfigFilePath (configPath: string): void {
+  const parts = configPath.split(path.sep)
+  if (!parts.includes('peertube-plugin-livechat')) {
+    // Indeed, the path should contain the plugin name
+    // (/var/www/peertube/storage/plugins/data/peertube-plugin-livechat/...)
+    throw new Error('demobot configuration file path seems invalid (not in peertube-plugin-livechat folder).')
+  }
+  if (parts[parts.length - 1] !== 'demobot.js') {
+    throw new Error('demobot configuration file path seems invalid (filename is not demobot.js).')
+  }
+}
+checkBotConfigFilePath(demoBotConfigFile)
+
+const demoBotConf = require(demoBotConfigFile).getConf()
+if (!demoBotConf || !demoBotConf.UUIDs || !demoBotConf.UUIDs.length) {
+  process.exit(0)
+}
+
+const { component, xml } = require('@xmpp/component')
+const xmpp = component({
+  service: demoBotConf.service,
+  domain: demoBotConf.domain,
+  password: demoBotConf.password
+})
+const roomId = `${demoBotConf.UUIDs[0] as string}@${demoBotConf.mucDomain as string}`
+
+xmpp.on('error', (err: any) => {
+  console.error(err)
+})
+
+xmpp.on('offline', () => {
+  console.log('offline')
+})
+
+xmpp.on('stanza', async (stanza: any) => {
+  console.log('stanza received' + (stanza?.toString ? ': ' + (stanza.toString() as string) : ''))
+  // if (stanza.is('message')) {
+  //   console.log('stanza was a message: ' + (stanza.toString() as string))
+  // }
+})
+
+xmpp.on('online', async (address: any) => {
+  console.log('Online with address: ' + JSON.stringify(address))
+
+  const presence = xml(
+    'presence',
+    {
+      from: address.toString(),
+      to: roomId + '/DemoBot'
+    },
+    xml('x', {
+      xmlns: 'http://jabber.org/protocol/muc'
+    })
+  )
+  console.log('Sending presence...: ' + (presence.toString() as string))
+  await xmpp.send(presence)
+
+  setTimeout(() => {
+    const message = xml(
+      'message',
+      { type: 'groupchat', to: roomId, from: address.toString() },
+      xml('body', {}, 'Hello world')
+    )
+    console.log('Sending message...: ' + (message.toString() as string))
+    xmpp.send(message)
+  }, 1000)
+})
+
+xmpp.start().catch(console.error)

bots/tsconfig.json

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+{
+	"extends": "@tsconfig/node12/tsconfig.json",
+	"compilerOptions": {
+		"moduleResolution": "node", // Tell tsc to look in node_modules for modules
+		"strict": true, // That implies alwaysStrict, noImplicitAny, noImplicitThis
+
+		"alwaysStrict": true, // should already be true because of strict:true
+		"noImplicitAny": true, // should already be true because of strict:true
+		"noImplicitThis": true, // should already be true because of strict:true
+		"noImplicitReturns": true,
+		"strictBindCallApply": true, // should already be true because of strict:true
+		"noUnusedLocals": true,
+
+		"removeComments": true,
+		"sourceMap": true,
+
+		"baseUrl": "./",
+		"outDir": "../dist/",
+		"paths": {}
+	},
+	"include": [
+		"./**/*",
+		"../shared/**/*"
+	],
+	"exclude": []
+}