refactor: 及时释放没用变量

packages/design/src/Popover.vue

@@ -140,6 +140,7 @@ const mouseleaveHandler = () => {
 
   timer = globalThis.setTimeout(() => {
     popoverVisible.value = false;
+    timer = null;
   }, 350);
 };
 

packages/editor/src/components/SearchInput.vue

@@ -32,6 +32,7 @@ const filterTextChangeHandler = () => {
   timer && clearTimeout(timer);
   timer = setTimeout(() => {
     emit('search', filterText.value);
+    timer = null;
   }, 300);
 };
 </script>

packages/form/src/containers/Table.vue

@@ -500,6 +500,7 @@ const upHandler = (index: number) => {
 
   timer = setTimeout(() => {
     swapArray(index, index - 1);
+    timer = undefined;
   }, 300);
 };
 
@@ -525,6 +526,7 @@ const downHandler = (index: number) => {
 
   timer = setTimeout(() => {
     swapArray(index, index + 1);
+    timer = undefined;
   }, 300);
 };
 

runtime/vue-runtime-help/src/hooks/use-dsl.ts

@@ -1,4 +1,4 @@
-import { nextTick, reactive, ref } from 'vue-demi';
+import { nextTick, onBeforeUnmount, reactive, ref } from 'vue-demi';
 
 import Core from '@tmagic/core';
 import type { ChangeEvent } from '@tmagic/data-source';
@@ -8,7 +8,7 @@ import { isPage, replaceChildNode } from '@tmagic/utils';
 export const useDsl = (app: Core | undefined) => {
   const pageConfig = ref(app?.page?.data || {});
 
-  app?.dataSourceManager?.on('update-data', (nodes: MNode[], sourceId: string, changeEvent: ChangeEvent) => {
+  const updateDataHandler = (nodes: MNode[], sourceId: string, changeEvent: ChangeEvent) => {
     nodes.forEach((node) => {
       if (isPage(node)) {
         pageConfig.value = node;
@@ -22,6 +22,12 @@ export const useDsl = (app: Core | undefined) => {
     nextTick(() => {
       app.emit('replaced-node', { nodes, sourceId, ...changeEvent });
     });
+  };
+
+  app?.dataSourceManager?.on('update-data', updateDataHandler);
+
+  onBeforeUnmount(() => {
+    app?.dataSourceManager?.off('update-data', updateDataHandler);
   });
 
   return {