Migrate reflect and register to EventTarget

event-target/index.es

@@ -77,5 +77,39 @@ const EventTarget = HTMLElement => // why buble
 //  //  https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget-dispatchEvent
 
 //  { }
+
+
+  // Reflection - https://en.wikipedia.org/wiki/Reflection_(computer_programming)
+  // Type Introspection - https://en.wikipedia.org/wiki/Type_introspection
+  //
+  // In computing, type introspection is the ability of a program
+  // to examine the type or properties of an object at runtime.
+  // Some programming languages possess this capability.
+  //
+  // Introspection should not be confused with reflection,
+  // which goes a step further and is the ability for a program to manipulate the values,
+  // meta-data, properties and/or functions of an object at runtime.
+
+
+  reflect (handler) {
+
+    /^on/.test (handler) // is a W3C `on`event
+      && handler in HTMLElement.prototype // `on*`
+
+      && // automagically delegate event
+        this.on ( handler.substr (2), this [handler] )
+  }
+
+
+  register (node, handler, event) {
+    for (let attribute of
+          [].slice.call (node.attributes))
+            /^on/.test (event = attribute.name)
+            // https://www.quirksmode.org/js/events_tradmod.html
+            // because under traditional registration the handler value is wrapped in scope `{ onfoo }`
+            && ( handler = (/{\s*(\w+)/.exec (node [event]) || []) [1])
+            && ( node [event] = this.renderable (this [handler]) )
+  }
+
 })