增加路由异步加载

package.json

@@ -1,6 +1,6 @@
 {
   "name": "wkitd",
-  "version": "1.3.6",
+  "version": "1.3.7",
   "type": "module",
   "main": "dist/index.js",
   "files": [

src/router/router-engine.js

@@ -152,8 +152,16 @@ class Router {
 
   #exec(route) {
     let $view = window.wkitd.get(__ROUTER_VIEW__)
+    let table = this.#tables.get(route.path)
     $view.current = route.name
     this.#route = route
+
+    if (typeof table.component === 'function') {
+      if (!customElements.get(route.name)) {
+        table.component()
+        delete table.component //避免多次请求
+      }
+    }
     this.#broadcast()
   }