fix: wrong typing for typescript v5 (#301)

* fix: wrong typing for typescript v5

* Create .changeset/smart-cheetahs-exercise.md

Author: ota-meshi

.changeset/smart-cheetahs-exercise.md

@@ -0,0 +1,5 @@
+---
+"svelte-eslint-parser": patch
+---
+
+fix: wrong typing for typescript v5

package.json

@@ -98,7 +98,7 @@
     "semver": "^7.3.5",
     "string-replace-loader": "^3.0.3",
     "svelte": "^3.46.1",
-    "typescript": "~4.9.0",
+    "typescript": "~5.0.0",
     "vue-eslint-parser": "^9.0.0"
   },
   "publishConfig": {

src/parser/converts/attr.ts

@@ -333,7 +333,7 @@ function convertEventHandlerDirective(
       ctx,
       isCustomEvent
         ? "(e:CustomEvent<any>)=>void"
-        : `(e:'${node.name}' extends keyof HTMLElementEventMap?HTMLElementEventMap['${node.name}']:CustomEvent<any>)=>void`
+        : `(e:'${node.name}' extends infer U?U extends keyof HTMLElementEventMap?HTMLElementEventMap[U]:CustomEvent<any>:never)=>void`
     ),
   });
   return directive;