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Copy pathutils.js
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Copy pathutils.js
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502 lines (463 loc) · 19.6 KB
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/* global NexT, CONFIG */
HTMLElement.prototype.wrap = function(wrapper) {
this.parentNode.insertBefore(wrapper, this);
this.parentNode.removeChild(this);
wrapper.appendChild(this);
};
(function() {
const onPageLoaded = () => document.dispatchEvent(
new Event('page:loaded', {
bubbles: true
})
);
if (document.readyState === 'loading') {
document.addEventListener('readystatechange', onPageLoaded, { once: true });
} else {
onPageLoaded();
}
document.addEventListener('pjax:success', onPageLoaded);
})();
NexT.utils = {
registerExtURL: function() {
document.querySelectorAll('span.exturl').forEach(element => {
const link = document.createElement('a');
// https://stackoverflow.com/questions/30106476/using-javascripts-atob-to-decode-base64-doesnt-properly-decode-utf-8-strings
link.href = decodeURIComponent(atob(element.dataset.url).split('').map(c => {
return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
}).join(''));
link.rel = 'noopener external nofollow noreferrer';
link.target = '_blank';
link.className = element.className;
link.title = element.title;
link.innerHTML = element.innerHTML;
element.parentNode.replaceChild(link, element);
});
},
registerCodeblock: function(element) {
const inited = !!element;
let figure = (inited ? element : document).querySelectorAll('figure.highlight');
let isHljsWithWrap = true;
if (figure.length === 0) {
figure = document.querySelectorAll('pre:not(.mermaid)');
isHljsWithWrap = false;
}
figure.forEach(element => {
if (!inited) {
let span = element.querySelectorAll('.code .line span');
if (span.length === 0) {
// Hljs without line_number and wrap
span = element.querySelectorAll('code.highlight span');
}
span.forEach(s => {
s.classList.forEach(name => {
s.classList.replace(name, `hljs-${name}`);
});
});
}
const height = parseInt(window.getComputedStyle(element).height.replace('px', ''), 10);
const needFold = CONFIG.fold.enable && (height > CONFIG.fold.height);
if (!needFold && !CONFIG.copycode.enable) return;
let target;
if (isHljsWithWrap && CONFIG.copycode.style === 'mac') {
target = element;
} else {
let box = element.querySelector('.code-container');
if (!box) {
// https://github.com/next-theme/hexo-theme-next/issues/98
// https://github.com/next-theme/hexo-theme-next/pull/508
const container = element.querySelector('.table-container') || element;
box = document.createElement('div');
box.className = 'code-container';
container.wrap(box);
// add "notranslate" to prevent Google Translate from translating it, which also completely messes up the layout
box.classList.add('notranslate');
}
target = box;
}
if (needFold && !target.classList.contains('unfold')) {
target.classList.add('highlight-fold');
target.insertAdjacentHTML('beforeend', '<div class="fold-cover"></div><div class="expand-btn"><i class="fa fa-angle-down fa-fw"></i></div>');
target.querySelector('.expand-btn').addEventListener('click', () => {
target.classList.remove('highlight-fold');
target.classList.add('unfold');
});
}
if (inited || !CONFIG.copycode.enable) return;
// One-click copy code support.
target.insertAdjacentHTML('beforeend', '<div class="copy-btn"><i class="fa fa-copy fa-fw"></i></div>');
const button = target.querySelector('.copy-btn');
button.addEventListener('click', () => {
const lines = element.querySelector('.code') || element.querySelector('code');
const code = lines.innerText;
if (navigator.clipboard) {
// https://caniuse.com/mdn-api_clipboard_writetext
navigator.clipboard.writeText(code).then(() => {
button.querySelector('i').className = 'fa fa-check-circle fa-fw';
}, () => {
button.querySelector('i').className = 'fa fa-times-circle fa-fw';
});
} else {
const ta = document.createElement('textarea');
ta.style.top = window.scrollY + 'px'; // Prevent page scrolling
ta.style.position = 'absolute';
ta.style.opacity = '0';
ta.readOnly = true;
ta.value = code;
document.body.append(ta);
ta.select();
ta.setSelectionRange(0, code.length);
ta.readOnly = false;
const result = document.execCommand('copy');
button.querySelector('i').className = result ? 'fa fa-check-circle fa-fw' : 'fa fa-times-circle fa-fw';
ta.blur(); // For iOS
button.blur();
document.body.removeChild(ta);
}
});
element.addEventListener('mouseleave', () => {
setTimeout(() => {
button.querySelector('i').className = 'fa fa-copy fa-fw';
}, 300);
});
});
},
wrapTableWithBox: function() {
document.querySelectorAll('table').forEach(element => {
const box = document.createElement('div');
box.className = 'table-container';
element.wrap(box);
});
},
registerVideoIframe: function() {
document.querySelectorAll('iframe').forEach(element => {
const supported = [
'www.youtube.com',
'player.vimeo.com',
'player.youku.com',
'player.bilibili.com',
'www.tudou.com'
].some(host => element.src.includes(host));
if (supported && !element.parentNode.matches('.video-container')) {
const box = document.createElement('div');
box.className = 'video-container';
element.wrap(box);
const width = Number(element.width);
const height = Number(element.height);
if (width && height) {
box.style.paddingTop = (height / width * 100) + '%';
}
}
});
},
updateActiveNav: function() {
if (!Array.isArray(NexT.utils.sections)) return;
let index = NexT.utils.sections.findIndex(element => {
return element && element.getBoundingClientRect().top > 10;
});
if (index === -1) {
index = NexT.utils.sections.length - 1;
} else if (index > 0) {
index--;
}
this.activateNavByIndex(index);
},
registerScrollPercent: function() {
const backToTop = document.querySelector('.back-to-top');
const readingProgressBar = document.querySelector('.reading-progress-bar');
// For init back to top in sidebar if page was scrolled after page refresh.
window.addEventListener('scroll', () => {
if (backToTop || readingProgressBar) {
const contentHeight = document.body.scrollHeight - window.innerHeight;
const scrollPercent = contentHeight > 0 ? Math.min(100 * window.scrollY / contentHeight, 100) : 0;
if (backToTop) {
backToTop.classList.toggle('back-to-top-on', Math.round(scrollPercent) >= 5);
backToTop.querySelector('span').innerText = Math.round(scrollPercent) + '%';
}
if (readingProgressBar) {
readingProgressBar.style.setProperty('--progress', scrollPercent.toFixed(2) + '%');
}
}
this.updateActiveNav();
}, { passive: true });
backToTop && backToTop.addEventListener('click', () => {
window.anime({
targets : document.scrollingElement,
duration : 500,
easing : 'linear',
scrollTop: 0
});
});
},
/**
* Tabs tag listener (without twitter bootstrap).
*/
registerTabsTag: function() {
// Binding `nav-tabs` & `tab-content` by real time permalink changing.
document.querySelectorAll('.tabs ul.nav-tabs .tab').forEach(element => {
element.addEventListener('click', event => {
event.preventDefault();
// Prevent selected tab to select again.
if (element.classList.contains('active')) return;
const nav = element.parentNode;
// Get the height of `tab-pane` which is activated before, and set it as the height of `tab-content` with extra margin / paddings.
const tabContent = nav.nextElementSibling;
tabContent.style.overflow = 'hidden';
tabContent.style.transition = 'height 1s';
// Comment system selection tab does not contain .active class.
const activeTab = tabContent.querySelector('.active') || tabContent.firstElementChild;
// Hight might be `auto`.
const prevHeight = parseInt(window.getComputedStyle(activeTab).height.replace('px', ''), 10) || 0;
const paddingTop = parseInt(window.getComputedStyle(activeTab).paddingTop.replace('px', ''), 10);
const marginBottom = parseInt(window.getComputedStyle(activeTab.firstElementChild).marginBottom.replace('px', ''), 10);
tabContent.style.height = prevHeight + paddingTop + marginBottom + 'px';
// Add & Remove active class on `nav-tabs` & `tab-content`.
[...nav.children].forEach(target => {
target.classList.toggle('active', target === element);
});
// https://stackoverflow.com/questions/20306204/using-queryselector-with-ids-that-are-numbers
const tActive = document.getElementById(element.querySelector('a').getAttribute('href').replace('#', ''));
[...tActive.parentNode.children].forEach(target => {
target.classList.toggle('active', target === tActive);
});
// Trigger event
tActive.dispatchEvent(new Event('tabs:click', {
bubbles: true
}));
// Get the height of `tab-pane` which is activated now.
const hasScrollBar = document.body.scrollHeight > (window.innerHeight || document.documentElement.clientHeight);
const currHeight = parseInt(window.getComputedStyle(tabContent.querySelector('.active')).height.replace('px', ''), 10);
// Reset the height of `tab-content` and see the animation.
tabContent.style.height = currHeight + paddingTop + marginBottom + 'px';
// Change the height of `tab-content` may cause scrollbar show / disappear, which may result in the change of the `tab-pane`'s height
setTimeout(() => {
if ((document.body.scrollHeight > (window.innerHeight || document.documentElement.clientHeight)) !== hasScrollBar) {
tabContent.style.transition = 'height 0.3s linear';
// After the animation, we need reset the height of `tab-content` again.
const currHeightAfterScrollBarChange = parseInt(window.getComputedStyle(tabContent.querySelector('.active')).height.replace('px', ''), 10);
tabContent.style.height = currHeightAfterScrollBarChange + paddingTop + marginBottom + 'px';
}
// Remove all the inline styles, and let the height be adaptive again.
setTimeout(() => {
tabContent.style.transition = '';
tabContent.style.height = '';
}, 250);
}, 1000);
if (!CONFIG.stickytabs) return;
const offset = nav.parentNode.getBoundingClientRect().top + window.scrollY + 10;
window.anime({
targets : document.scrollingElement,
duration : 500,
easing : 'linear',
scrollTop: offset
});
});
});
window.dispatchEvent(new Event('tabs:register'));
},
registerCanIUseTag: function() {
// Get responsive height passed from iframe.
window.addEventListener('message', ({ data }) => {
if (typeof data === 'string' && data.includes('ciu_embed')) {
const featureID = data.split(':')[1];
const height = data.split(':')[2];
document.querySelector(`iframe[data-feature=${featureID}]`).style.height = parseInt(height, 10) + 5 + 'px';
}
}, false);
},
registerActiveMenuItem: function() {
document.querySelectorAll('.menu-item a[href]').forEach(target => {
const isSamePath = target.pathname === location.pathname || target.pathname === location.pathname.replace('index.html', '');
const isSubPath = !CONFIG.root.startsWith(target.pathname) && location.pathname.startsWith(target.pathname);
target.classList.toggle('menu-item-active', target.hostname === location.hostname && (isSamePath || isSubPath));
});
},
registerLangSelect: function() {
const selects = document.querySelectorAll('.lang-select');
selects.forEach(sel => {
sel.value = CONFIG.page.lang;
sel.addEventListener('change', () => {
const target = sel.options[sel.selectedIndex];
document.querySelectorAll('.lang-select-label span').forEach(span => {
span.innerText = target.text;
});
// Disable Pjax to force refresh translation of menu item
window.location.href = target.dataset.href;
});
});
},
registerSidebarTOC: function() {
this.sections = [...document.querySelectorAll('.post-toc:not(.placeholder-toc) li a.nav-link')].map(element => {
const target = document.getElementById(decodeURI(element.getAttribute('href')).replace('#', ''));
// TOC item animation navigate.
element.addEventListener('click', event => {
event.preventDefault();
const offset = target.getBoundingClientRect().top + window.scrollY;
window.anime({
targets : document.scrollingElement,
duration : 500,
easing : 'linear',
scrollTop: offset,
complete : () => {
history.pushState(null, document.title, element.href);
}
});
});
return target;
});
this.updateActiveNav();
},
registerPostReward: function() {
const button = document.querySelector('.reward-container button');
if (!button) return;
button.addEventListener('click', () => {
document.querySelector('.post-reward').classList.toggle('active');
});
},
activateNavByIndex: function(index) {
const nav = document.querySelector('.post-toc:not(.placeholder-toc) .nav');
if (!nav) return;
const navItemList = nav.querySelectorAll('.nav-item');
const target = navItemList[index];
if (!target || target.classList.contains('active-current')) return;
const singleHeight = navItemList[navItemList.length - 1].offsetHeight;
nav.querySelectorAll('.active').forEach(navItem => {
navItem.classList.remove('active', 'active-current');
});
target.classList.add('active', 'active-current');
let activateEle = target.querySelector('.nav-child') || target.parentElement;
let navChildHeight = 0;
while (nav.contains(activateEle)) {
if (activateEle.classList.contains('nav-item')) {
activateEle.classList.add('active');
} else { // .nav-child or .nav
// scrollHeight isn't reliable for transitioning child items.
// The last nav-item in a list has a margin-bottom of 5px.
navChildHeight += (singleHeight * activateEle.childElementCount) + 5;
activateEle.style.setProperty('--height', `${navChildHeight}px`);
}
activateEle = activateEle.parentElement;
}
// Scrolling to center active TOC element if TOC content is taller then viewport.
const tocElement = document.querySelector(CONFIG.scheme === 'Pisces' || CONFIG.scheme === 'Gemini' ? '.sidebar-panel-container' : '.sidebar');
if (!document.querySelector('.sidebar-toc-active')) return;
window.anime({
targets : tocElement,
duration : 200,
easing : 'linear',
scrollTop: tocElement.scrollTop - (tocElement.offsetHeight / 2) + target.getBoundingClientRect().top - tocElement.getBoundingClientRect().top
});
},
updateSidebarPosition: function() {
if (window.innerWidth < 1200 || CONFIG.scheme === 'Pisces' || CONFIG.scheme === 'Gemini') return;
// Expand sidebar on post detail page by default, when post has a toc.
const hasTOC = document.querySelector('.post-toc:not(.placeholder-toc)');
let display = CONFIG.page.sidebar;
if (typeof display !== 'boolean') {
// There's no definition sidebar in the page front-matter.
display = CONFIG.sidebar.display === 'always' || (CONFIG.sidebar.display === 'post' && hasTOC);
}
if (display) {
window.dispatchEvent(new Event('sidebar:show'));
}
},
activateSidebarPanel: function(index) {
const sidebar = document.querySelector('.sidebar-inner');
const activeClassNames = ['sidebar-toc-active', 'sidebar-overview-active'];
if (sidebar.classList.contains(activeClassNames[index])) return;
const panelContainer = sidebar.querySelector('.sidebar-panel-container');
const tocPanel = panelContainer.firstElementChild;
const overviewPanel = panelContainer.lastElementChild;
let postTOCHeight = tocPanel.scrollHeight;
// For TOC activation, try to use the animated TOC height
if (index === 0) {
const nav = tocPanel.querySelector('.nav');
if (nav) {
postTOCHeight = parseInt(nav.style.getPropertyValue('--height'), 10);
}
}
const panelHeights = [
postTOCHeight,
overviewPanel.scrollHeight
];
panelContainer.style.setProperty('--inactive-panel-height', `${panelHeights[1 - index]}px`);
panelContainer.style.setProperty('--active-panel-height', `${panelHeights[index]}px`);
sidebar.classList.replace(activeClassNames[1 - index], activeClassNames[index]);
},
updateFooterPosition: function() {
if (CONFIG.scheme === 'Pisces' || CONFIG.scheme === 'Gemini') return;
function updateFooterPosition() {
const footer = document.querySelector('.footer');
const containerHeight = document.querySelector('.main').offsetHeight + footer.offsetHeight;
footer.classList.toggle('footer-fixed', containerHeight <= window.innerHeight);
}
updateFooterPosition();
window.addEventListener('resize', updateFooterPosition);
window.addEventListener('scroll', updateFooterPosition, { passive: true });
},
getScript: function(src, options = {}, legacyCondition) {
if (typeof options === 'function') {
return this.getScript(src, {
condition: legacyCondition
}).then(options);
}
const {
condition = false,
attributes: {
id = '',
async = false,
defer = false,
crossOrigin = '',
dataset = {},
...otherAttributes
} = {},
parentNode = null
} = options;
return new Promise((resolve, reject) => {
if (condition) {
resolve();
} else {
const script = document.createElement('script');
if (id) script.id = id;
if (crossOrigin) script.crossOrigin = crossOrigin;
script.async = async;
script.defer = defer;
Object.assign(script.dataset, dataset);
Object.entries(otherAttributes).forEach(([name, value]) => {
script.setAttribute(name, String(value));
});
script.onload = resolve;
script.onerror = reject;
if (typeof src === 'object') {
const { url, integrity } = src;
script.src = url;
if (integrity) {
script.integrity = integrity;
script.crossOrigin = 'anonymous';
}
} else {
script.src = src;
}
(parentNode || document.head).appendChild(script);
}
});
},
loadComments: function(selector, legacyCallback) {
if (legacyCallback) {
return this.loadComments(selector).then(legacyCallback);
}
return new Promise(resolve => {
const element = document.querySelector(selector);
if (!CONFIG.comments.lazyload || !element) {
resolve();
return;
}
const intersectionObserver = new IntersectionObserver((entries, observer) => {
const entry = entries[0];
if (!entry.isIntersecting) return;
resolve();
observer.disconnect();
});
intersectionObserver.observe(element);
});
}
};
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