fix Map deserialisation and sync handler

Author: drinking-code

src/init-child.ts

@@ -5,8 +5,8 @@ export default function initChild(this: IPOS) {
     const promise = new Promise(res => resolve = res)
 
     this.messaging?.listenForType('sync', message => {
-        if (!message.fields) return
-        Object.entries(message.fields)
+        if (!message.fields || !(message.fields instanceof Map)) return
+        Array.from(message.fields.entries())
             .map(([key, value]: [string, any]) => {
                 this.createStealthy(key, value)
             })
@@ -17,7 +17,7 @@ export default function initChild(this: IPOS) {
     this.messaging?.send('register')
 
     if (this.messaging)
-    this.mountListeners(this.messaging)
+        this.mountListeners(this.messaging)
 
     return promise
 }

src/messaging.ts

@@ -7,14 +7,14 @@ export type iposMessagingMessage = {
     protocol: 'ipos',
     type: iposMessagingType,
 
-    fields?: string,
+    fields?: string | Map<string, any>, // serialised, de-serialised
 
     do?: string,
     on?: string,
-    with?: Array<any>,
+    with?: Array<string> | Array<any>,
 
     key?: string,
-    value: any,
+    value: string | any,
 } & { [k: string]: string }
 
 const mustHaveSendError = new Error(`Process must have a \`.send()\` method.`)

src/serialize.ts

@@ -17,7 +17,7 @@ export function serialize(value: any): any | void {
     } else if (value instanceof Map) {
         return {
             $$iposType: 'Map',
-            data: Object.fromEntries(
+            data: new Map(
                 Array.from(value.entries())
                     .map(([key, value]) => [key, serialize(value)])
             )