feat: improved the "mixing-events-handling-syntax" warning description

Author: caiquetorres

packages/svelte/src/compiler/phases/types.d.ts

@@ -2,14 +2,15 @@ import type {
 	Binding,
 	Css,
 	Fragment,
+	OnDirective,
 	RegularElement,
 	SlotElement,
 	SvelteElement,
 	SvelteNode,
 	SvelteOptions,
 	Warning
 } from '#compiler';
-import type { BaseNode, Identifier, LabeledStatement, Program } from 'estree';
+import type { Identifier, LabeledStatement, Program } from 'estree';
 import type { Scope, ScopeRoot } from './scope.js';
 
 export interface Js {
@@ -57,7 +58,7 @@ export interface ComponentAnalysis extends Analysis {
 	uses_slots: boolean;
 	uses_component_bindings: boolean;
 	uses_render_tags: boolean;
-	event_directive_node: BaseNode | null;
+	event_directive_node: OnDirective | null;
 	uses_event_attributes: boolean;
 	custom_element: boolean | SvelteOptions['customElement'];
 	/** If `true`, should append styles through JavaScript */