Fix span rendering and improve SSR

Author: sirreal

html-api-debugger/interactivity.php

@@ -51,7 +51,8 @@ function generate_page( string $html, array $options ): string {
 			),
 			'html'                   => $html,
 			'htmlapiResponse'        => $htmlapi_response,
-			'span'                   => null,
+			'span'                   => false,
+			'hoverSpan'              => $htmlapi_response['html'],
 
 			'showClosers'            => false,
 			'showInvisible'          => false,

html-api-debugger/view.js

@@ -67,7 +67,7 @@ let debounceInputAbortController = null;
  * @property {boolean} hoverInsertion
  *
  * @property {DOM} DOM
- * @property {HTMLAPISpan|null} span
+ * @property {HTMLAPISpan|false} span
  * @property {string} hoverSpan
  * @property {readonly []|readonly [string,string,string]} hoverSpanSplit
  */
@@ -247,7 +247,7 @@ const store = createStore(NS, {
 		);
 	},
 	clearSpan() {
-		store.state.span = null;
+		store.state.span = false;
 	},
 
 	/** @param {InputEvent} e */