core: load ts files only

packages/hydrooj/src/entry/worker.ts

@@ -56,7 +56,7 @@ export async function apply(ctx: Context) {
 
     const handlerDir = path.resolve(__dirname, '..', 'handler');
     const handlers = await fs.readdir(handlerDir);
-    for (const h of handlers) {
+    for (const h of handlers.filter((i) => i.endsWith('.ts'))) {
         ctx.loader.reloadPlugin(ctx, path.resolve(handlerDir, h), {}, `hydrooj/handler/${h.split('.')[0]}`);
     }
     await handler(pending, fail, ctx);