删除无用文件夹

wechat/miniprogram_npm/@vant/weapp/mixins/page-scroll.js

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+'use strict';
+Object.defineProperty(exports, '__esModule', { value: true });
+exports.pageScrollMixin = void 0;
+var utils_1 = require('../common/utils');
+function onPageScroll(event) {
+  var _a = utils_1.getCurrentPage().vanPageScroller,
+    vanPageScroller = _a === void 0 ? [] : _a;
+  vanPageScroller.forEach(function (scroller) {
+    if (typeof scroller === 'function') {
+      // @ts-ignore
+      scroller(event);
+    }
+  });
+}
+var pageScrollMixin = function (scroller) {
+  return Behavior({
+    attached: function () {
+      var page = utils_1.getCurrentPage();
+      if (Array.isArray(page.vanPageScroller)) {
+        page.vanPageScroller.push(scroller.bind(this));
+      } else {
+        page.vanPageScroller =
+          typeof page.onPageScroll === 'function'
+            ? [page.onPageScroll.bind(page), scroller.bind(this)]
+            : [scroller.bind(this)];
+      }
+      page.onPageScroll = onPageScroll;
+    },
+    detached: function () {
+      var _a;
+      var page = utils_1.getCurrentPage();
+      page.vanPageScroller =
+        ((_a = page.vanPageScroller) === null || _a === void 0
+          ? void 0
+          : _a.filter(function (item) {
+              return item !== scroller;
+            })) || [];
+    },
+  });
+};
+exports.pageScrollMixin = pageScrollMixin;