Dispatch event when a component is selected.

js/builder.js

@@ -147,6 +147,11 @@
     // Add the data-active attribute to the element.
     element.setAttribute('data-active', 'true');
     element.setAttribute('data-active-within', 'true');
+    // @Todo: Consider a different event name.
+    dispatch(element, 'lpb-component:focus', {
+      componentUuid: element.getAttribute('data-uuid'),
+      layoutId: element.closest(`[${idAttr}]`).getAttribute(idAttr),
+    });
     setUiElementVisibility();
     setControlsPosition();
     // Add the data-active-within attribute to all parent elements.