saturneric.github.io/js/bookmark.js

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2019-10-25 06:36:20 +00:00
/* global CONFIG */
window.addEventListener('DOMContentLoaded', () => {
'use strict';
var doSaveScroll = () => {
localStorage.setItem('bookmark' + location.pathname, window.scrollY);
};
var scrollToMark = () => {
var top = localStorage.getItem('bookmark' + location.pathname);
top = parseInt(top, 10);
// If the page opens with a specific hash, just jump out
if (!isNaN(top) && location.hash === '') {
// Auto scroll to the position
window.anime({
targets : [document.documentElement, document.body],
duration : 200,
easing : 'linear',
scrollTop: top
});
}
};
// Register everything
var init = function(trigger) {
// Create a link element
var link = document.querySelector('.book-mark-link');
// Scroll event
window.addEventListener('scroll', () => {
window.scrollY === 0 ? link.classList.add('book-mark-link-fixed') : link.classList.remove('book-mark-link-fixed');
});
// Register beforeunload event when the trigger is auto
if (trigger === 'auto') {
// Register beforeunload event
window.addEventListener('beforeunload', doSaveScroll);
window.addEventListener('pjax:send', doSaveScroll);
}
// Save the position by clicking the icon
link.addEventListener('click', () => {
doSaveScroll();
window.anime({
targets : link,
duration: 200,
easing : 'linear',
top : -30,
complete: () => {
setTimeout(() => {
link.style.top = '';
}, 400);
}
});
});
scrollToMark();
window.addEventListener('pjax:success', scrollToMark);
};
init(CONFIG.bookmark.save);
});