From 42ffbd728c73e56e328d4dc9a2997ab83aef3d8d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=A1=97=E8=A7=92=E5=B0=8F=E6=9E=97?= <1013335014@qq.com>
Date: Fri, 15 Dec 2023 09:29:41 +0800
Subject: [PATCH] =?UTF-8?q?Feat=EF=BC=9A=E4=BC=98=E5=8C=96reRender?=
 =?UTF-8?q?=E6=96=B9=E6=B3=95?=
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---
 simple-mind-map/index.js                  | 10 ++++------
 simple-mind-map/src/core/render/Render.js | 11 ++++++++++-
 simple-mind-map/src/utils/Lru.js          |  5 +++++
 3 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/simple-mind-map/index.js b/simple-mind-map/index.js
index 57f45e29..572a50d2 100644
--- a/simple-mind-map/index.js
+++ b/simple-mind-map/index.js
@@ -168,12 +168,10 @@ class MindMap {
 
   //  重新渲染
   reRender(callback, source = '') {
-    this.clearDraw() // 清空画布的操作不能放到队列任务里，否则当reRender后又执行了render，当前回调会被覆盖掉
-    this.batchExecution.push('render', () => {
-      this.initTheme()
-      this.renderer.reRender = true
-      this.renderer.render(callback, source)
-    })
+    this.renderer.reRender = true // 标记为重新渲染
+    this.renderer.clearCache() // 清空节点缓存池
+    this.clearDraw() // 清空画布
+    this.render(callback, (source = ''))
   }
 
   // 获取或更新容器尺寸位置信息
diff --git a/simple-mind-map/src/core/render/Render.js b/simple-mind-map/src/core/render/Render.js
index a814a172..5fafa7b1 100644
--- a/simple-mind-map/src/core/render/Render.js
+++ b/simple-mind-map/src/core/render/Render.js
@@ -387,6 +387,13 @@ class Render {
     this.mindMap.keyCommand.restore()
   }
 
+  // 清空节点缓存池
+  clearCache() {
+    this.layout.lru.clear()
+    this.nodeCache = {}
+    this.lastNodeCache = {}
+  }
+
   //   渲染
   render(callback = () => {}, source) {
     // 如果当前还没有渲染完毕，不再触发渲染
@@ -431,7 +438,9 @@ class Render {
           this.waitRenderingParams = []
           this.render(...params)
         } else {
-          if (this.reRender) this.reRender = false
+          if (this.reRender) {
+            this.reRender = false
+          }
           // 触发一次保存，因为修改了渲染树的数据
           if (
             this.mindMap.richText &&
diff --git a/simple-mind-map/src/utils/Lru.js b/simple-mind-map/src/utils/Lru.js
index 4edc0213..b1d89dd5 100644
--- a/simple-mind-map/src/utils/Lru.js
+++ b/simple-mind-map/src/utils/Lru.js
@@ -35,4 +35,9 @@ export default class Lru {
       return this.pool.get(key)
     }
   }
+
+  clear() {
+    this.size = 0
+    this.pool = new Map()
+  }
 }