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* Minified by jsDelivr using Terser v5.39.0.\n * Original file: /npm/hexo-theme-butterfly@5.5.4/source/js/main.js\n *\n * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files\n */\n","document.addEventListener('DOMContentLoaded', () => {\r\n let headerContentWidth, $nav\r\n let mobileSidebarOpen = false\r\n\r\n const adjustMenu = init => {\r\n const getAllWidth = ele => Array.from(ele).reduce((width, i) => width + i.offsetWidth, 0)\r\n\r\n if (init) {\r\n const blogInfoWidth = getAllWidth(document.querySelector('#blog-info > a').children)\r\n const menusWidth = getAllWidth(document.getElementById('menus').children)\r\n headerContentWidth = blogInfoWidth + menusWidth\r\n $nav = document.getElementById('nav')\r\n }\r\n\r\n const hideMenuIndex = window.innerWidth <= 768 || headerContentWidth > $nav.offsetWidth - 120\r\n $nav.classList.toggle('hide-menu', hideMenuIndex)\r\n }\r\n\r\n // 初始化header\r\n const initAdjust = () => {\r\n adjustMenu(true)\r\n $nav.classList.add('show')\r\n }\r\n\r\n // sidebar menus\r\n const sidebarFn = {\r\n open: () => {\r\n btf.overflowPaddingR.add()\r\n btf.animateIn(document.getElementById('menu-mask'), 'to_show 0.5s')\r\n document.getElementById('sidebar-menus').classList.add('open')\r\n mobileSidebarOpen = true\r\n },\r\n close: () => {\r\n btf.overflowPaddingR.remove()\r\n btf.animateOut(document.getElementById('menu-mask'), 'to_hide 0.5s')\r\n document.getElementById('sidebar-menus').classList.remove('open')\r\n mobileSidebarOpen = false\r\n }\r\n }\r\n\r\n /**\r\n * 首頁top_img底下的箭頭\r\n */\r\n const scrollDownInIndex = () => {\r\n const handleScrollToDest = () => {\r\n btf.scrollToDest(document.getElementById('content-inner').offsetTop, 300)\r\n }\r\n\r\n const $scrollDownEle = document.getElementById('scroll-down')\r\n $scrollDownEle && btf.addEventListenerPjax($scrollDownEle, 'click', handleScrollToDest)\r\n }\r\n\r\n /**\r\n * 代碼\r\n * 只適用於Hexo默認的代碼渲染\r\n */\r\n const addHighlightTool = () => {\r\n const highLight = GLOBAL_CONFIG.highlight\r\n if (!highLight) return\r\n\r\n const { highlightCopy, highlightLang, highlightHeightLimit, highlightFullpage, highlightMacStyle, plugin } = highLight\r\n const isHighlightShrink = GLOBAL_CONFIG_SITE.isHighlightShrink\r\n const isShowTool = highlightCopy || highlightLang || isHighlightShrink !== undefined || highlightFullpage || highlightMacStyle\r\n const isNotHighlightJs = plugin !== 'highlight.js'\r\n const isPrismjs = plugin === 'prismjs'\r\n const $figureHighlight = isNotHighlightJs\r\n ? Array.from(document.querySelectorAll('code[class*=\"language-\"]')).map(code => code.parentElement)\r\n : document.querySelectorAll('figure.highlight')\r\n\r\n if (!((isShowTool || highlightHeightLimit) && $figureHighlight.length)) return\r\n\r\n const highlightShrinkClass = isHighlightShrink === true ? 'closed' : ''\r\n const highlightShrinkEle = isHighlightShrink !== undefined ? '' : ''\r\n const highlightCopyEle = highlightCopy ? '' : ''\r\n const highlightMacStyleEle = ''\r\n const highlightFullpageEle = highlightFullpage ? '' : ''\r\n\r\n const alertInfo = (ele, text) => {\r\n if (GLOBAL_CONFIG.Snackbar !== undefined) {\r\n btf.snackbarShow(text)\r\n } else {\r\n const newEle = document.createElement('div')\r\n newEle.className = 'copy-notice'\r\n newEle.textContent = text\r\n document.body.appendChild(newEle)\r\n\r\n const buttonRect = ele.getBoundingClientRect()\r\n const scrollTop = window.pageYOffset || document.documentElement.scrollTop\r\n const scrollLeft = window.pageXOffset || document.documentElement.scrollLeft\r\n\r\n // X-axis boundary check\r\n const halfWidth = newEle.offsetWidth / 2\r\n const centerLeft = buttonRect.left + scrollLeft + buttonRect.width / 2\r\n const finalLeft = Math.max(halfWidth + 10, Math.min(window.innerWidth - halfWidth - 10, centerLeft))\r\n\r\n // Show tooltip below button if too close to top\r\n const normalTop = buttonRect.top + scrollTop - 40\r\n const shouldShowBelow = buttonRect.top < 60 || normalTop < 10\r\n\r\n const topValue = shouldShowBelow ? buttonRect.top + scrollTop + buttonRect.height + 10 : normalTop\r\n\r\n newEle.style.cssText = `\r\n top: ${topValue + 10}px;\r\n left: ${finalLeft}px;\r\n transform: translateX(-50%);\r\n opacity: 0;\r\n transition: opacity 0.3s ease, top 0.3s ease;\r\n `\r\n\r\n requestAnimationFrame(() => {\r\n newEle.style.opacity = '1'\r\n newEle.style.top = `${topValue}px`\r\n })\r\n\r\n setTimeout(() => {\r\n newEle.style.opacity = '0'\r\n newEle.style.top = `${topValue + 10}px`\r\n setTimeout(() => {\r\n newEle?.remove()\r\n }, 300)\r\n }, 800)\r\n }\r\n }\r\n\r\n const copy = async (text, ctx) => {\r\n try {\r\n await navigator.clipboard.writeText(text)\r\n alertInfo(ctx, GLOBAL_CONFIG.copy.success)\r\n } catch (err) {\r\n console.error('Failed to copy: ', err)\r\n alertInfo(ctx, GLOBAL_CONFIG.copy.noSupport)\r\n }\r\n }\r\n\r\n // click events\r\n const highlightCopyFn = (ele, clickEle) => {\r\n const $buttonParent = ele.parentNode\r\n $buttonParent.classList.add('copy-true')\r\n const preCodeSelector = isNotHighlightJs ? 'pre code' : 'table .code pre'\r\n const codeElement = $buttonParent.querySelector(preCodeSelector)\r\n if (!codeElement) return\r\n copy(codeElement.innerText, clickEle)\r\n $buttonParent.classList.remove('copy-true')\r\n }\r\n\r\n const highlightShrinkFn = ele => ele.classList.toggle('closed')\r\n\r\n const codeFullpage = (item, clickEle) => {\r\n const wrapEle = item.closest('figure.highlight')\r\n const isFullpage = wrapEle.classList.toggle('code-fullpage')\r\n\r\n document.body.style.overflow = isFullpage ? 'hidden' : ''\r\n clickEle.classList.toggle('fa-down-left-and-up-right-to-center', isFullpage)\r\n clickEle.classList.toggle('fa-up-right-and-down-left-from-center', !isFullpage)\r\n }\r\n\r\n const highlightToolsFn = e => {\r\n const $target = e.target.classList\r\n const currentElement = e.currentTarget\r\n if ($target.contains('expand')) highlightShrinkFn(currentElement)\r\n else if ($target.contains('copy-button')) highlightCopyFn(currentElement, e.target)\r\n else if ($target.contains('fullpage-button')) codeFullpage(currentElement, e.target)\r\n }\r\n\r\n const expandCode = e => e.currentTarget.classList.toggle('expand-done')\r\n\r\n // 獲取隱藏狀態下元素的真實高度\r\n const getActualHeight = item => {\r\n if (item.offsetHeight > 0) return item.offsetHeight\r\n const hiddenElements = new Map()\r\n\r\n const fix = () => {\r\n let current = item\r\n while (current !== document.body && current != null) {\r\n if (window.getComputedStyle(current).display === 'none') {\r\n hiddenElements.set(current, current.getAttribute('style') || '')\r\n }\r\n current = current.parentNode\r\n }\r\n\r\n const style = 'visibility: hidden !important; display: block !important;'\r\n hiddenElements.forEach((originalStyle, elem) => {\r\n elem.setAttribute('style', originalStyle ? originalStyle + ';' + style : style)\r\n })\r\n }\r\n\r\n const restore = () => {\r\n hiddenElements.forEach((originalStyle, elem) => {\r\n if (originalStyle === '') elem.removeAttribute('style')\r\n else elem.setAttribute('style', originalStyle)\r\n })\r\n }\r\n\r\n fix()\r\n const height = item.offsetHeight\r\n restore()\r\n return height\r\n }\r\n\r\n const createEle = (lang, item) => {\r\n const fragment = document.createDocumentFragment()\r\n\r\n if (isShowTool) {\r\n const hlTools = document.createElement('div')\r\n hlTools.className = `highlight-tools ${highlightShrinkClass}`\r\n hlTools.innerHTML = highlightMacStyleEle + highlightShrinkEle + lang + highlightCopyEle + highlightFullpageEle\r\n btf.addEventListenerPjax(hlTools, 'click', highlightToolsFn)\r\n fragment.appendChild(hlTools)\r\n }\r\n\r\n if (highlightHeightLimit && getActualHeight(item) > highlightHeightLimit + 30) {\r\n const ele = document.createElement('div')\r\n ele.className = 'code-expand-btn'\r\n ele.innerHTML = ''\r\n btf.addEventListenerPjax(ele, 'click', expandCode)\r\n fragment.appendChild(ele)\r\n }\r\n\r\n isNotHighlightJs ? item.parentNode.insertBefore(fragment, item) : item.insertBefore(fragment, item.firstChild)\r\n }\r\n\r\n $figureHighlight.forEach(item => {\r\n let langName = ''\r\n if (isNotHighlightJs) {\r\n const newClassName = isPrismjs ? 'prismjs' : 'default'\r\n btf.wrap(item, 'figure', { class: `highlight ${newClassName}` })\r\n }\r\n\r\n if (!highlightLang) {\r\n createEle('', item)\r\n return\r\n }\r\n\r\n if (isNotHighlightJs) {\r\n langName = isPrismjs ? item.getAttribute('data-language') || 'Code' : item.querySelector('code').getAttribute('class').replace('language-', '')\r\n } else {\r\n langName = item.getAttribute('class').split(' ')[1]\r\n if (langName === 'plain' || langName === undefined) langName = 'Code'\r\n }\r\n createEle(`${langName}
`, item)\r\n })\r\n }\r\n\r\n /**\r\n * PhotoFigcaption\r\n */\r\n const addPhotoFigcaption = () => {\r\n if (!GLOBAL_CONFIG.isPhotoFigcaption) return\r\n document.querySelectorAll('#article-container img').forEach(item => {\r\n const altValue = item.title || item.alt\r\n if (!altValue) return\r\n const ele = document.createElement('div')\r\n ele.className = 'img-alt text-center'\r\n ele.textContent = altValue\r\n item.insertAdjacentElement('afterend', ele)\r\n })\r\n }\r\n\r\n /**\r\n * Lightbox\r\n */\r\n const runLightbox = () => {\r\n btf.loadLightbox(document.querySelectorAll('#article-container img:not(.no-lightbox)'))\r\n }\r\n\r\n /**\r\n * justified-gallery 圖庫排版\r\n */\r\n\r\n const fetchUrl = async url => {\r\n try {\r\n const response = await fetch(url)\r\n return await response.json()\r\n } catch (error) {\r\n console.error('Failed to fetch URL:', error)\r\n return []\r\n }\r\n }\r\n\r\n const runJustifiedGallery = (container, data, config) => {\r\n const { isButton, limit, firstLimit, tabs } = config\r\n\r\n const dataLength = data.length\r\n const maxGroupKey = Math.ceil((dataLength - firstLimit) / limit + 1)\r\n\r\n // Gallery configuration\r\n const igConfig = {\r\n gap: 5,\r\n isConstantSize: true,\r\n sizeRange: [150, 600],\r\n // useResizeObserver: true,\r\n // observeChildren: true,\r\n useTransform: true\r\n // useRecycle: false\r\n }\r\n\r\n const ig = new InfiniteGrid.JustifiedInfiniteGrid(container, igConfig)\r\n let isLayoutHidden = false\r\n\r\n // Utility functions\r\n const sanitizeString = str => (str && str.replace(/\"/g, '"')) || ''\r\n\r\n const createImageItem = item => {\r\n const alt = item.alt ? `alt=\"${sanitizeString(item.alt)}\"` : ''\r\n const title = item.title ? `title=\"${sanitizeString(item.title)}\"` : ''\r\n return `\r\n
![](\"${item.url}\")
\r\n