feat: ✨ Aggiunta nuova proprietà `attrsTypes` ai componenti

La proprietà `attrsTypes`, similmente a `prop` di React, permette la tipizzazione degli attributi dei componenti Mithril custom

resources/js/Components/Component.ts

@@ -61,6 +61,12 @@ export default class Component<A> implements m.Component<A>, ClassComponent<A> {
    */
   attrs: Attributes<string>;
 
+  /**
+   * The types of the attributes passed into the component. They are used by Typescript to
+   * correctly help typing them.
+   */
+  attrsTypes: A;
+
   constructor() {
     this.element = undefined as unknown as Element;
     this.attrs = undefined as unknown as Attributes<string>;

resources/js/globals.d.ts

@@ -71,5 +71,9 @@ declare global {
       'text-field': JSXElement<TextField>;
       'top-app-bar': JSXElement<TopAppBar>;
     }
+
+    interface ElementAttributesProperty {
+      attrsTypes?: any;
+    }
   }
 }