'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); exports.pageScrollMixin = void 0; function getCurrentPage() { var pages = getCurrentPages(); return pages[pages.length - 1] || {}; } function onPageScroll(event) { var _a = getCurrentPage().vanPageScroller, vanPageScroller = _a === void 0 ? [] : _a; vanPageScroller.forEach(function (scroller) { if (typeof scroller === 'function') { scroller(event); } }); } exports.pageScrollMixin = function (scroller) { return Behavior({ attached: function () { var page = 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 page = getCurrentPage(); page.vanPageScroller = (page.vanPageScroller || []).filter(function ( item ) { return item !== scroller; }); }, }); };