https://samoseo.pl/wp-content/themes/samoseo/public/barba-scroll-top.js?ver=1788345968

1/**
2 * Mobile Barba: reset scrollu po nawigacji SPA.
3 * Bundel resetuje scroll za wcześnie (hooks.enter); menu mobile blokuje scroll przez window.onscroll.
4 */
5(function () {
6  'use strict';
7
8  if (!document.querySelector('[data-barba="wrapper"]')) {
9    return;
10  }
11
12  var MOBILE_BP = 1024;
13  var mobileQuery = window.matchMedia('(max-width: ' + (MOBILE_BP - 1) + 'px)');
14
15  function isMobileViewport() {
16    return mobileQuery.matches || window.innerWidth < MOBILE_BP;
17  }
18
19  function unlockScroll() {
20    window.onscroll = null;
21    document.body.style.overflow = '';
22    document.documentElement.style.removeProperty('overflow');
23  }
24
25  function setScrollRestorationManual() {
26    if ('scrollRestoration' in history) {
27      history.scrollRestoration = 'manual';
28    }
29  }
30
31  function scrollToTop() {
32    if (!isMobileViewport()) {
33      return;
34    }
35
36    unlockScroll();
37
38    try {
39      window.scrollTo(0, 0);
40    } catch (e) {}
41
42    try {
43      window.scrollTo({ top: 0, left: 0, behavior: 'auto' });
44    } catch (e2) {}
45
46    if (document.documentElement) {
47      document.documentElement.scrollTop = 0;
48      document.documentElement.scrollLeft = 0;
49    }
50
51    if (document.body) {
52      document.body.scrollTop = 0;
53      document.body.scrollLeft = 0;
54    }
55
56    try {
57      if (window.ScrollTrigger) {
58        if (typeof window.ScrollTrigger.clearScrollMemory === 'function') {
59          window.ScrollTrigger.clearScrollMemory();
60        }
61        if (typeof window.ScrollTrigger.refresh === 'function') {
62          window.ScrollTrigger.refresh();
63        }
64      }
65    } catch (e3) {}
66
67    try {
68      var gsap = window.gsap;
69      if (gsap && gsap.core && typeof gsap.core.globals === 'function') {
70        var smoother = gsap.core.globals().ScrollSmoother;
71        if (smoother && typeof smoother.getAll === 'function') {
72          smoother.getAll().forEach(function (instance) {
73            if (instance && typeof instance.scrollTo === 'function') {
74              instance.scrollTo(0, false);
75            }
76          });
77        }
78      }
79    } catch (e4) {}
80  }
81
82  var resetTimer = null;
83
84  function scheduleScrollReset() {
85    if (!isMobileViewport()) {
86      return;
87    }
88
89    if (resetTimer) {
90      clearTimeout(resetTimer);
91    }
92
93    scrollToTop();
94    requestAnimationFrame(scrollToTop);
95
96    [0, 50, 120, 300, 550, 800, 1100, 1500].forEach(function (delay) {
97      setTimeout(scrollToTop, delay);
98    });
99
100    resetTimer = setTimeout(function () {
101      resetTimer = null;
102    }, 1600);
103  }
104
105  function isInternalNavigationLink(link) {
106    if (!link || link.target === '_blank' || link.hasAttribute('download')) {
107      return false;
108    }
109    if (link.hasAttribute('data-barba-prevent')) {
110      return false;
111    }
112
113    var href = link.getAttribute('href') || '';
114    if (!href || href.charAt(0) === '#') {
115      return false;
116    }
117
118    try {
119      return new URL(link.href, window.location.href).origin === window.location.origin;
120    } catch (e) {
121      return false;
122    }
123  }
124
125  if (isMobileViewport()) {
126    setScrollRestorationManual();
127  }
128
129  if (typeof mobileQuery.addEventListener === 'function') {
130    mobileQuery.addEventListener('change', function (event) {
131      if (event.matches) {
132        setScrollRestorationManual();
133      }
134    });
135  }
136
137  function notifyPageChange() {
138    document.dispatchEvent(new CustomEvent('samoseo:page'));
139  }
140
141  ['pushState', 'replaceState'].forEach(function (method) {
142    var original = history[method];
143    if (typeof original !== 'function') {
144      return;
145    }
146
147    history[method] = function () {
148      var result = original.apply(this, arguments);
149      scheduleScrollReset();
150      notifyPageChange();
151      return result;
152    };
153  });
154
155  window.addEventListener('popstate', function () {
156    scheduleScrollReset();
157    notifyPageChange();
158  });
159
160  function headerOffset() {
161    var header = document.getElementById('header');
162    return header ? Math.ceil(header.getBoundingClientRect().height) : 0;
163  }
164
165  function scrollToAnchor(target) {
166    unlockScroll();
167
168    var top = target.getBoundingClientRect().top + (window.pageYOffset || document.documentElement.scrollTop) - headerOffset() - 12;
169
170    try {
171      window.scrollTo({ top: Math.max(0, top), left: 0, behavior: 'smooth' });

172    } catch (e) {
173      window.scrollTo(0, Math.max(0, top));
174    }
175  }
176
177  document.addEventListener(
178    'click',
179    function (event) {
180      var link = event.target.closest && event.target.closest('a[href]');
181      if (!link) {
182        return;
183      }
184
185      var href = link.getAttribute('href') || '';
186      if (href.charAt(0) === '#') {
187        var id = href.slice(1);
188        if (!id) {
189          return;
190        }
191
192        var target = document.getElementById(id);
193        if (!target) {
194          try {
195            target = document.getElementById(decodeURIComponent(id));
196          } catch (e) {}
197        }
198        if (!target) {
199          return;
200        }
201
202        event.preventDefault();
203        event.stopPropagation();
204        scrollToAnchor(target);
205        return;
206      }
207
208      if (!isMobileViewport()) {
209        return;
210      }
211
212      if (!isInternalNavigationLink(link)) {
213        return;
214      }
215
216      unlockScroll();
217      scheduleScrollReset();
218    },
219    true
220  );
221
222  var container = document.querySelector('[data-barba="container"]');
223  if (container) {
224    new MutationObserver(function () {
225      scheduleScrollReset();
226      notifyPageChange();
227    }).observe(container, { childList: true });
228  }
229})();