fix: enable init ctx emitter also on promised models

Author: halimath

packages/core/src/app.ts

@@ -149,14 +149,14 @@ class AppImpl<MODEL, MESSAGE> implements App<MODEL, MESSAGE> {
             m
                 .then(model => {
                     this._model = model
+                    initCtx.enable()
                     this.performUpdate()
                 })
                 .catch(console.error)
             return
         }
 
         this._model = m
-
         initCtx.enable()
     }
 

packages/core/test/unit/app.test.ts

@@ -122,5 +122,16 @@ describe("app.ts", () => {
             await sleep(70)
             expect(removeMarkerComments(document.body.innerHTML)).toBe("<p>hello again</p>")
         })
+
+        it("should emit async messages from model init that returns a promise", async () => {
+            createApp(({emit}) => {
+                setTimeout(() => emit("hello again"), 50)
+                return Promise.resolve("hello, world")
+            }, update, view).mount(document.body)
+            await sleep(1)
+            expect(removeMarkerComments(document.body.innerHTML)).toBe("<p>hello, world</p>")
+            await sleep(70)
+            expect(removeMarkerComments(document.body.innerHTML)).toBe("<p>hello again</p>")
+        })
     })
 })