wip: dynamic preview

wp-content/themes/ccat/includes/vendors/acf.php

@@ -1,5 +1,35 @@
 <?php
 
+// Override template file path for ACF previews
+add_filter( 'acfe/flexible/render/template', 'ccat_acfe_flexible_render_template', 10, 4 );
+function ccat_acfe_flexible_render_template( $file, $field, $layout, $is_preview ) {
+	if ( ! $is_preview ) {
+		return $file;
+	}
+	// Return relative path - ACF Extended Pro will use acfe_locate_file_path() to find it
+	return 'layouts/preview.php';
+}
+
+// Disable caching for preview requests
+add_action( 'acfe/flexible/render/before_template', 'ccat_disable_cache_for_preview', 1, 3 );
+function ccat_disable_cache_for_preview( $field, $layout, $is_preview ) {
+	if ( ! $is_preview ) {
+		return;
+	}
+
+	// Disable WordPress object cache for this request
+	wp_cache_flush();
+
+	// Send no-cache headers
+	nocache_headers();
+
+	// Disable ACF cache if function exists
+	if ( function_exists( 'acf_get_store' ) ) {
+		acf_get_store( 'fields' )->reset();
+		acf_get_store( 'field-groups' )->reset();
+	}
+}
+
 // Disable ACF / ACFE modules
 add_action( 'acf/init', 'ccat_acf_init' );
 function ccat_acf_init() {

wp-content/themes/ccat/layouts/preview.php

@@ -0,0 +1 @@
+<pre><?php var_dump( get_row( true ) ); ?></pre>

wp-content/themes/ccat/server/api/acf-preview.post.ts

@@ -0,0 +1,3 @@
+export default defineEventHandler(() => {
+  return `<div>TODO: Preview from Nuxt API endpoint</div>`;
+});