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miniprogram_npm/tdesign-miniprogram/back-top/back-top.d.ts

@@ -1,10 +1,11 @@
-import { SuperComponent } from '../common/src/index';
+import { SuperComponent, RelationsOptions } from '../common/src/index';
 export default class BackTop extends SuperComponent {
     externalClasses: string[];
     options: {
         multipleSlots: boolean;
     };
     properties: import("./type").TdBackTopProps;
+    relations: RelationsOptions;
     data: {
         prefix: string;
         classPrefix: string;

miniprogram_npm/tdesign-miniprogram/back-top/back-top.js

@@ -17,6 +17,11 @@ let BackTop = class BackTop extends SuperComponent {
             multipleSlots: true,
         };
         this.properties = props;
+        this.relations = {
+            '../pull-down-refresh/pull-down-refresh': {
+                type: 'ancestor',
+            },
+        };
         this.data = {
             prefix,
             classPrefix: name,
@@ -54,11 +59,17 @@ let BackTop = class BackTop extends SuperComponent {
                 }
             },
             toTop() {
+                var _a;
                 this.triggerEvent('to-top');
-                wx.pageScrollTo({
-                    scrollTop: 0,
-                    duration: 300,
-                });
+                if (this.$parent) {
+                    (_a = this.$parent) === null || _a === void 0 ? void 0 : _a.setScrollTop(0);
+                }
+                else {
+                    wx.pageScrollTo({
+                        scrollTop: 0,
+                        duration: 300,
+                    });
+                }
             },
         };
     }

miniprogram_npm/tdesign-miniprogram/back-top/back-top.wxml

@@ -2,7 +2,7 @@
 <wxs src="../common/utils.wxs" module="_" />
 
 <view
-  style="{{ customStyle }}"
+  style="{{ style }}"
   class="{{prefix}}-class {{classPrefix}} {{fixed ? classPrefix + '--fixed' : ''}} {{classPrefix + '--' + theme}}"
   bindtap="toTop"
   aria-role="button"

miniprogram_npm/tdesign-miniprogram/back-top/props.js

@@ -1,5 +1,5 @@
 const props = {
-    customStyle: {
+    style: {
         type: String,
         value: '',
     },

miniprogram_npm/tdesign-miniprogram/back-top/type.d.ts

@@ -1,5 +1,5 @@
 export interface TdBackTopProps {
-    customStyle?: {
+    style?: {
         type: StringConstructor;
         value?: string;
     };