fix: wrap messages in a object with a type and a payload to solve the JSON RPC spec not supporting primitives in params

Author: tor0405

src/MessageBus.js

@@ -75,31 +75,18 @@ export default class MessageBus {
      * @template [T=unknown]
      * @param {string} channel
      * @param {string} topic
-     * @param {T} [payload]
+     * @param {T} payload
      * @returns {Event<T>} Returns the {@link Event} object passed to subscribers.
      */
     publish(channel, topic, payload) {
         const event = new Event(channel, topic, payload);
         this.ee.emit(event.toKey(), event);
         this.sink.push(event);
         if (this.bridge) {
-            /** @type {T | T[]} */
-            let params = payload;
-
-            if (typeof payload !== 'undefined') {
-                // JSON RPC 2.0 requires that params is either an object or an array. Wrap primitives in an an array.
-                const isPrimitive =
-                    typeof params === 'string' ||
-                    typeof params === 'boolean' ||
-                    typeof params === 'number';
-                if (isPrimitive) {
-                    params = [payload];
-                }
-            }
 
             this.bridge.notification({
                 method: `${channel}/${topic}`,
-                params,
+                params:{"type":typeof payload, payload},
             });
         }
         return event;
@@ -140,7 +127,7 @@ export default class MessageBus {
                         message
                     );
 
-                const event = new Event(channel, topic, request.params);
+                const event = new Event(channel, topic, request.params.payload);
                 this.sink.push(event);
                 listener(event);
             };