jasonbahl · March 9, 2023 23:00 · Mar 9, 2023
diff --git a/overriding-connection-resolver.php b/overriding-connection-resolver.php
@@ -0,0 +1,27 @@
+add_filter( 'graphql_pre_resolve_field', function( $default, $source, $args, $context, $info, $type_name, $field_key, $field, $field_resolver ) {
+
+	// if the field is not the 'tags' field, and the
+	if ( ! ( 'tags' === $field_key  && 'post' === strtolower( $type_name ) ) ) {
+		return $default;
+	}
+
+	$empty = [
+		'edges' => [],
+		'nodes' => [],
+	];
+
+	if ( $source instanceof \WPGraphQL\Model\Post && 'revision' === $source->post_type ) {
+
+		$terms = wp_get_object_terms( $source->databaseId, 'post_tag' );
+		if ( empty( $terms ) ) {
+			return $empty;
+		}
+		$term_ids = wp_list_pluck( $terms, 'term_id' );
+		$resolver = new \WPGraphQL\Data\Connection\TermObjectConnectionResolver( $source, $args, $context, $info );
+		$resolver->set_query_arg( 'include', $term_ids );
+		return $resolver->get_connection();
+	}
+
+	return $empty;
+
+}, 10, 9 );