refactor: move cation trigger logic to its own file; separate conter and greeter examples

actiontrigger.go

@@ -0,0 +1,18 @@
+package via
+
+import (
+	"fmt"
+
+	"github.com/go-via/via/h"
+)
+
+// actionTrigger represents a trigger to an event handler fn
+type actionTrigger struct {
+	id string
+}
+
+// OnClick returns a via.h DOM node that triggers on click. It can be added
+// to other nodes in a view.
+func (a *actionTrigger) OnClick() h.H {
+	return h.Data("on:click", fmt.Sprintf("@get('/_action/%s')", a.id))
+}