102 lines
No EOL
2.3 KiB
JavaScript
102 lines
No EOL
2.3 KiB
JavaScript
/**
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* Utils
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*/
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// Throttle
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//
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const throttle = (callback, limit) => {
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let timeoutHandler = null;
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return () => {
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if (timeoutHandler == null) {
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timeoutHandler = setTimeout(() => {
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callback();
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timeoutHandler = null;
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}, limit);
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}
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};
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};
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// addEventListener Helper
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//
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const listen = (ele, e, callback) => {
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if (document.querySelector(ele) !== null) {
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document.querySelector(ele).addEventListener(e, callback);
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}
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}
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/**
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* Functions
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*/
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// Auto Hide Header
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//
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let header = document.getElementById('site-header');
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let lastScrollPosition = window.pageYOffset;
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const autoHideHeader = () => {
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let currentScrollPosition = Math.max(window.pageYOffset, 0);
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if (currentScrollPosition > lastScrollPosition) {
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header.classList.remove('slideInUp');
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header.classList.add('slideOutDown');
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} else {
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header.classList.remove('slideOutDown');
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header.classList.add('slideInUp');
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}
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lastScrollPosition = currentScrollPosition;
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}
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// Mobile Menu Toggle
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//
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let mobileMenuVisible = false;
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const toggleMobileMenu = () => {
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let mobileMenu = document.getElementById('mobile-menu');
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if (mobileMenuVisible == false) {
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mobileMenu.style.animationName = 'bounceInRight';
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mobileMenu.style.webkitAnimationName = 'bounceInRight';
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mobileMenu.style.display = 'block';
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mobileMenuVisible = true;
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} else {
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mobileMenu.style.animationName = 'bounceOutRight';
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mobileMenu.style.webkitAnimationName = 'bounceOutRight'
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mobileMenuVisible = false;
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}
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}
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// Featured Image Toggle
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//
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const showImg = () => {
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document.querySelector('.bg-img').classList.add('show-bg-img');
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}
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const hideImg = () => {
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document.querySelector('.bg-img').classList.remove('show-bg-img');
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}
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// ToC Toggle
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//
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const toggleToc = () => {
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document.getElementById('toc').classList.toggle('show-toc');
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}
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if (header !== null) {
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listen('#menu-btn', "click", toggleMobileMenu);
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listen('#toc-btn', "click", toggleToc);
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listen('#img-btn', "click", showImg);
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listen('.bg-img', "click", hideImg);
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document.querySelectorAll('.post-year').forEach((ele)=> {
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ele.addEventListener('click', () => {
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window.location.hash = '#' + ele.id;
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});
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});
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window.addEventListener('scroll', throttle(() => {
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autoHideHeader();
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if (mobileMenuVisible == true) {
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toggleMobileMenu();
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}
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}, 250));
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} |