fix: 修复qiankun内存泄露

packages/fes-plugin-qiankun/examples/app1/src/pages/app1/index.vue

@@ -14,6 +14,7 @@
 export default {
     setup() {
         return {
+            leak: new Array(5 * 1024 * 1024)
         };
     }
 };

packages/fes-plugin-qiankun/examples/app1/src/pages/app1/test.vue

@@ -14,6 +14,7 @@
 export default {
     setup() {
         return {
+            leak: new Array(5 * 1024 * 1024)
         };
     }
 };

packages/fes-plugin-qiankun/src/main/runtime/MicroAppWithMemoHistory.tpl

@@ -1,10 +1,6 @@
-
-import {
-    defineComponent, isRef, watch
-} from 'vue';
+import { defineComponent, watch, onUnmounted } from 'vue';
 import { MicroApp } from './MicroApp';
 
-
 export const MicroAppWithMemoHistory = defineComponent({
     components: {
         MicroApp
@@ -26,9 +22,21 @@ export const MicroAppWithMemoHistory = defineComponent({
             microRouter = router;
             microRouter.push(props.url);
         };
-        watch(()=>props.url, () => {
-            microRouter.push(props.url);
+        watch(
+            () => props.url,
+            () => {
+                microRouter.push(props.url);
+            }
+        );
+        onUnmounted(() => {
+            microRouter = null;
         });
-        return () => <MicroApp onRouterInit={onRouterInit} {...props} {...attrs}></MicroApp>;
+        return () => (
+            <MicroApp
+                onRouterInit={onRouterInit}
+                {...props}
+                {...attrs}
+            ></MicroApp>
+        );
     }
 });

packages/fes-plugin-qiankun/src/micro/runtime/lifecycles.tpl

@@ -1,4 +1,4 @@
-import { plugin, ApplyPluginsType } from '@@/core/coreExports';
+import { plugin, ApplyPluginsType, getHistory, destroyRouter } from '@@/core/coreExports';
 {{#HAS_PLUGIN_MODEL}}
 import { setModelState } from './qiankunModel';
 {{/HAS_PLUGIN_MODEL}}
@@ -49,6 +49,7 @@ export function genBootstrap(oldRender, appPromise) {
         if (isPromise(appPromise)) {
             cacheAppPromise = appPromise;
         }
+        appPromise = null;
     };
 }
 
@@ -115,6 +116,12 @@ export function genUpdate() {
 // 子应用生命周期钩子Unmount
 export function genUnmount() {
     return async (props) => {
+        Object.keys(history).forEach(key=>{
+            delete history[key]
+        })
+        const routerHistory = getHistory();
+        routerHistory?.destroy();
+        destroyRouter();
         if (cache[props.name]) {
             setTimeout(() => {
                 const app = cache[props.name];