初始

node_modules/@vant/weapp/dist/index-anchor/index.d.ts

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+export {};

node_modules/@vant/weapp/dist/index-anchor/index.js

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+import { getRect } from '../common/utils';
+import { VantComponent } from '../common/component';
+import { useParent } from '../common/relation';
+VantComponent({
+    relation: useParent('index-bar'),
+    props: {
+        useSlot: Boolean,
+        index: null,
+    },
+    data: {
+        active: false,
+        wrapperStyle: '',
+        anchorStyle: '',
+    },
+    methods: {
+        scrollIntoView(scrollTop) {
+            getRect(this, '.van-index-anchor-wrapper').then((rect) => {
+                wx.pageScrollTo({
+                    duration: 0,
+                    scrollTop: scrollTop + rect.top - this.parent.data.stickyOffsetTop,
+                });
+            });
+        },
+    },
+});

node_modules/@vant/weapp/dist/index-anchor/index.json

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+{
+  "component": true
+}

node_modules/@vant/weapp/dist/index-anchor/index.wxml

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+<view
+  class="van-index-anchor-wrapper"
+  style="{{ wrapperStyle }}"
+>
+  <view
+    class="van-index-anchor {{ active ? 'van-index-anchor--active van-hairline--bottom' : '' }}"
+    style="{{ anchorStyle }}"
+  >
+    <slot wx:if="{{ useSlot }}"/>
+    <block wx:else>
+      <text>{{ index }}</text>
+    </block>
+  </view>
+</view>

node_modules/@vant/weapp/dist/index-anchor/index.wxss

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+@import '../common/index.wxss';.van-index-anchor{background-color:var(--index-anchor-background-color,transparent);color:var(--index-anchor-text-color,#323233);font-size:var(--index-anchor-font-size,14px);font-weight:var(--index-anchor-font-weight,500);line-height:var(--index-anchor-line-height,32px);padding:var(--index-anchor-padding,0 16px)}.van-index-anchor--active{background-color:var(--index-anchor-active-background-color,#fff);color:var(--index-anchor-active-text-color,#07c160);left:0;right:0}