chore: Use composition APIs in event example

Author: mirkobrombin

docs/examples/components/event_component.go

@@ -5,8 +5,8 @@ package components
 import (
 	_ "embed"
 
+	"github.com/rfwlab/rfw/v1/composition"
 	core "github.com/rfwlab/rfw/v1/core"
-	dom "github.com/rfwlab/rfw/v1/dom"
 )
 
 //go:embed templates/event_component.rtml
@@ -15,17 +15,18 @@ var eventComponentTpl []byte
 // EventComponent demonstrates both basic event handling and event modifiers.
 // EventComponent demonstrates both basic event handling and event modifiers.
 func NewEventComponent() *core.HTMLComponent {
-	c := core.NewComponent("EventComponent", eventComponentTpl, nil)
+	cmp := composition.Wrap(core.NewComponent("EventComponent", eventComponentTpl, nil))
 
-	if c.Store.Get("count") == nil {
-		c.Store.Set("count", 0)
+	store := cmp.HTMLComponent.Store
+	if store.Get("count") == nil {
+		store.Set("count", 0)
 	}
 
 	// register increment so buttons in the template can call it
-	dom.RegisterHandlerFunc("increment", func() {
-		if val, ok := c.Store.Get("count").(int); ok {
-			c.Store.Set("count", val+1)
+	cmp.On("increment", func() {
+		if val, ok := store.Get("count").(int); ok {
+			store.Set("count", val+1)
 		}
 	})
-	return c
+	return cmp.Unwrap()
 }