diff --git a/src/pubsub.js b/src/pubsub.js
index 1a141101c..d86271f9c 100644
--- a/src/pubsub.js
+++ b/src/pubsub.js
@@ -1,36 +1,41 @@
-'use strict';
-
-const EventEmitter = require('events');
-const nconf = require('nconf');
-
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.reset = exports.removeAllListeners = exports.on = exports.publish = void 0;
+const events_1 = require("events");
+const nconf_1 = __importDefault(require("nconf"));
 let real;
 let noCluster;
 let singleHost;
-
 function get() {
     if (real) {
         return real;
     }
-
     let pubsub;
-
-    if (!nconf.get('isCluster')) {
+    if (!nconf_1.default.get('isCluster')) {
         if (noCluster) {
             real = noCluster;
             return real;
         }
-        noCluster = new EventEmitter();
+        noCluster = new events_1.EventEmitter();
+        // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
         noCluster.publish = noCluster.emit.bind(noCluster);
         pubsub = noCluster;
-    } else if (nconf.get('singleHostCluster')) {
+    }
+    else if (nconf_1.default.get('singleHostCluster')) {
         if (singleHost) {
             real = singleHost;
             return real;
         }
-        singleHost = new EventEmitter();
+        singleHost = new events_1.EventEmitter();
         if (!process.send) {
+            // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
             singleHost.publish = singleHost.emit.bind(singleHost);
-        } else {
+        }
+        else {
+            // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
             singleHost.publish = function (event, data) {
                 process.send({
                     action: 'pubsub',
@@ -40,32 +45,41 @@ function get() {
             };
             process.on('message', (message) => {
                 if (message && typeof message === 'object' && message.action === 'pubsub') {
+                    // eslint-disable-next-line max-len
+                    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
                     singleHost.emit(message.event, message.data);
                 }
             });
         }
         pubsub = singleHost;
-    } else if (nconf.get('redis')) {
+    }
+    else if (nconf_1.default.get('redis')) {
+        // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
         pubsub = require('./database/redis/pubsub');
-    } else {
+    }
+    else {
         throw new Error('[[error:redis-required-for-pubsub]]');
     }
-
     real = pubsub;
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-return
     return pubsub;
 }
-
-module.exports = {
-    publish: function (event, data) {
-        get().publish(event, data);
-    },
-    on: function (event, callback) {
-        get().on(event, callback);
-    },
-    removeAllListeners: function (event) {
-        get().removeAllListeners(event);
-    },
-    reset: function () {
-        real = null;
-    },
-};
+function publish(event, data) {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+    get().publish(event, data);
+}
+exports.publish = publish;
+function on(event, callback) {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+    get().on(event, callback);
+}
+exports.on = on;
+function removeAllListeners(event) {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+    get().removeAllListeners(event);
+}
+exports.removeAllListeners = removeAllListeners;
+function reset() {
+    real = null;
+}
+exports.reset = reset;
diff --git a/src/pubsub.ts b/src/pubsub.ts
new file mode 100644
index 000000000..dfcb0c04c
--- /dev/null
+++ b/src/pubsub.ts
@@ -0,0 +1,87 @@
+import { EventEmitter } from 'events';
+
+import nconf from 'nconf';
+
+let real;
+let noCluster;
+let singleHost;
+interface PubSubMessage {
+    action: string;
+    event: string;
+    data: unknown;
+}
+function get() {
+    if (real) {
+        return real as string;
+    }
+
+    let pubsub;
+
+    if (!nconf.get('isCluster')) {
+        if (noCluster) {
+            real = noCluster as string;
+            return real as string;
+        }
+        noCluster = new EventEmitter();
+        // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+        noCluster.publish = noCluster.emit.bind(noCluster) as string[];
+        pubsub = noCluster as string[];
+    } else if (nconf.get('singleHostCluster')) {
+        if (singleHost) {
+            real = singleHost as string;
+            return real as string;
+        }
+        singleHost = new EventEmitter();
+        if (!process.send) {
+            // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+            singleHost.publish = singleHost.emit.bind(singleHost) as string[];
+        } else {
+            // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+            singleHost.publish = function (event, data) {
+                process.send({
+                    action: 'pubsub',
+                    event: event as string,
+                    data: data as string,
+                });
+            };
+            process.on('message', (message: PubSubMessage) => {
+                if (message && typeof message === 'object' && message.action === 'pubsub') {
+                    // eslint-disable-next-line max-len
+                    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+                    singleHost.emit(message.event, message.data);
+                }
+            });
+        }
+        pubsub = singleHost as string;
+    } else if (nconf.get('redis')) {
+        // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
+        pubsub = require('./database/redis/pubsub');
+    } else {
+        throw new Error('[[error:redis-required-for-pubsub]]');
+    }
+
+    real = pubsub as string;
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-return
+    return pubsub;
+}
+function publish(event, data) {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+    get().publish(event, data) as string[];
+}
+function on(event, callback) {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+    get().on(event, callback) as string[];
+}
+function removeAllListeners(event: EventEmitter) {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+    get().removeAllListeners(event) as string[];
+}
+function reset() {
+    real = null;
+}
+export {
+    publish,
+    on,
+    removeAllListeners,
+    reset,
+};