添加方法支持自定义新建节点的样式

simple-mind-map/src/constants/defaultOptions.js

@@ -307,7 +307,7 @@ export const defaultOpt = {
   /*
     {
       // 返回要添加的DOM元素详细
-      create: (node) => { 
+      create: (node) => {
         return {
           el, // DOM节点
           width: 20, // 宽高
@@ -316,7 +316,7 @@ export const defaultOpt = {
       },
       // 处理生成的@svgdotjs/svg.js库的ForeignObject节点实例，可以设置其在节点内的位置
       handle: ({ content, element, node }) => {
-        
+
       }
     }
   */
@@ -518,5 +518,9 @@ export const defaultOpt = {
   // 默认为内置图标，你可以传递一个svg字符串，或者其他的html字符串
   // 整体大小请使用上面的minImgResizeWidth和minImgResizeHeight选项设置
   customDeleteBtnInnerHTML: '',
-  customResizeBtnInnerHTML: ''
+  customResizeBtnInnerHTML: '',
+
+  // NewAdd
+  customNewNodeParams: null,
+
 }

simple-mind-map/src/core/render/Render.js

@@ -871,14 +871,23 @@ class Render {
       if (alreadyIsRichText && params.resetRichText) {
         delete params.resetRichText
       }
+      let nodeData = {
+        text: text,
+        uid: createUid(),
+        // ...this.mindMap.opt.customNewNodeParams,
+        ...params,
+        ...(appointData || {})
+      }
+      if ( typeof this.mindMap.opt.customNewNodeParams === 'function'){
+        const return_value = this.mindMap.opt.customNewNodeParams()
+        nodeData = {
+          ...nodeData,
+          ...return_value
+        }
+      }
       const newNode = {
         inserting,
-        data: {
-          text: text,
-          uid: createUid(),
-          ...params,
-          ...(appointData || {})
-        },
+        data: nodeData,
         children: [...createUidForAppointNodes(appointChildren, createNewId)]
       }
       createNewId = true