fix: prevent memory leaks when preview window is closed.

chilingling · chilingling · commit 41aa8471d3d0 · 2025-04-27T16:06:06.000+08:00
diff --git a/packages/common/js/preview.js b/packages/common/js/preview.js
@@ -122,6 +122,7 @@ const handleSchemaChange = async () => {
   // 如果预览窗口不存在或已关闭，则取消订阅
   if (!previewWindow || previewWindow.closed) {
     cleanupSchemaChangeListener()
+    previewWindow = null
     return
   }
 
diff --git a/packages/design-core/src/preview/src/preview/usePreviewData.ts b/packages/design-core/src/preview/src/preview/usePreviewData.ts
@@ -332,6 +332,7 @@ export const usePreviewData = ({ setFiles, store }: IUsePreviewData) => {
     previewState.currentPage = params.currentPage
     previewState.ancestors = params.ancestors
 
+    // importMap 发生变化才更新 importMap
     if (JSON.stringify(previewState.importMap) !== JSON.stringify(importMapData)) {
       store.setImportMap(importMapData)
       previewState.importMap = importMapData

Original file line number	Diff line number	Diff line change
`@@ -122,6 +122,7 @@ const handleSchemaChange = async () => {`
`122`	`122`	`// 如果预览窗口不存在或已关闭，则取消订阅`
`123`	`123`	`if (!previewWindow \|\| previewWindow.closed) {`
`124`	`124`	`cleanupSchemaChangeListener()`
	`125`	`+ previewWindow = null`
`125`	`126`	`return`
`126`	`127`	`}`
`127`	`128`