(fix) Insert comma between bubbled events and custom events (#887)

#886

Author: hgiesel

packages/svelte2tsx/src/svelte2tsx/nodes/ComponentEvents.ts

@@ -204,12 +204,13 @@ class ComponentEventsFromEventsMap {
         if (this.eventDispatcherTyping) {
             return `__sveltets_toEventTypings<${this.eventDispatcherTyping}>()`;
         }
+
         return (
             '{' +
-            this.eventHandler.bubbledEventsMapToString() +
-            [...this.dispatchedEvents.keys()]
-                .map((e) => `'${e}': __sveltets_customEvent`)
-                .join(', ') +
+            [
+                ...this.eventHandler.bubbledEventsAsStrings(),
+                ...[...this.dispatchedEvents.keys()].map((e) => `'${e}': __sveltets_customEvent`)
+            ].join(', ') +
             '}'
         );
     }

packages/svelte2tsx/src/svelte2tsx/nodes/event-handler.ts

@@ -46,8 +46,8 @@ export class EventHandler {
         return eventNames;
     }
 
-    bubbledEventsMapToString() {
-        return Array.from(this.bubbledEvents.entries()).map(eventMapEntryToString).join(', ');
+    bubbledEventsAsStrings() {
+        return Array.from(this.bubbledEvents.entries()).map(eventMapEntryToString);
     }
 
     private handleEventHandlerBubble(parent: Node, eventName: string): void {