Add "emits" to polygon, polyline, circle and rectangle and register listeners

As for vue3, a component should have an "emits" option containing all its emits.
For some components this was implemented, but for polygon, polyline, circle and rectangle it was missing.

Author: aden-74

src/components/circle.js

@@ -43,4 +43,12 @@ export default buildComponent({
   name: 'circle',
   ctr: () => google.maps.Circle,
   events,
+  emits: events,
+  afterCreate(inst) {
+    events.forEach((event) => {
+      inst.addListener(event, (payload) => {
+        this.$emit(event, payload)
+      })
+    })
+  }
 })

src/components/polygon.js

@@ -43,8 +43,10 @@ export default buildComponent({
       default: false,
     },
   },
-  events,
   mappedProps: props,
+  events,
+  emits: events,
+
   name: 'polygon',
   ctr: () => google.maps.Polygon,
 
@@ -126,5 +128,11 @@ export default buildComponent({
         immediate: true,
       }
     )
+
+    events.forEach((event) => {
+      inst.addListener(event, (payload) => {
+        this.$emit(event, payload)
+      })
+    })
   },
 })

src/components/polyline.js

@@ -32,18 +32,23 @@ const events = [
 ]
 
 export default buildComponent({
-  mappedProps: props,
   props: {
     deepWatch: {
       type: Boolean,
       default: false,
     },
   },
+  mappedProps: props,
   events,
+  emits: events,
 
   name: 'polyline',
   ctr: () => google.maps.Polyline,
 
+  beforeCreate(options) {
+    if (!options.path) delete options.path
+  },
+
   afterCreate() {
     let clearEvents = () => {}
 
@@ -78,5 +83,11 @@ export default buildComponent({
         immediate: true,
       }
     )
+
+    events.forEach((event) => {
+      inst.addListener(event, (payload) => {
+        this.$emit(event, payload)
+      })
+    })
   },
 })

src/components/rectangle.js

@@ -38,4 +38,12 @@ export default buildComponent({
   name: 'rectangle',
   ctr: () => google.maps.Rectangle,
   events,
+  emits: events,
+  afterCreate(inst) {
+    events.forEach((event) => {
+      inst.addListener(event, (payload) => {
+        this.$emit(event, payload)
+      })
+    })
+  }  
 })