fix(build): support TypeScript 6

Author: Justineo

src/ECharts.ts

@@ -47,7 +47,7 @@ import type {
 } from "./types";
 import type { EChartsElement } from "./wc";
 
-import "./style.ts";
+import "./style";
 
 const wcRegistered = register();
 

tsconfig.json

@@ -11,7 +11,6 @@
     "esModuleInterop": true,
     "allowSyntheticDefaultImports": true,
     "noEmit": true,
-    "baseUrl": ".",
     "types": ["vite/client"],
     "lib": ["ESNext", "DOM", "DOM.Iterable", "ScriptHost"]
   },