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/** |
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* Docs & Knowledge Base v2 – Apple Liquid-Glass Frontend Scripts |
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* |
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* Modules: |
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* 1. DocsSearch — AJAX live search with debounce & keyboard nav |
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* 2. TableOfContents — auto-generated, hierarchical, sticky, scroll-spy |
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* 3. ScrollReveal — IntersectionObserver fade-in animations |
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* 4. Reactions — emoji reactions (happy / neutral / sad) |
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* 5. DarkMode — light / dark / auto from cookie / system |
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* 6. SocialShare — copy link, Twitter, Facebook, LinkedIn |
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* 7. CopyAnchor — heading anchor copy-to-clipboard |
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* |
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* @package King_Addons |
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*/ |
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|
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(function () { |
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'use strict'; |
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|
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/* ======================================== |
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HELPERS |
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======================================== */ |
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const $ = (sel, ctx = document) => ctx.querySelector(sel); |
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const $$ = (sel, ctx = document) => [...ctx.querySelectorAll(sel)]; |
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|
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function debounce(fn, ms = 300) { |
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let t; |
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return (...a) => { |
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clearTimeout(t); |
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t = setTimeout(() => fn.apply(this, a), ms); |
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}; |
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} |
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|
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function setCookie(n, v, days = 365) { |
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const d = new Date(); |
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d.setTime(d.getTime() + days * 864e5); |
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document.cookie = `${n}=${v};expires=${d.toUTCString()};path=/;SameSite=Lax`; |
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} |
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|
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function getCookie(n) { |
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return (document.cookie.match(`(^|;)\\s*${n}=([^;]*)`) || [])[2] || ''; |
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} |
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|
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/* ======================================== |
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1. DocsSearch |
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======================================== */ |
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class DocsSearch { |
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constructor(container) { |
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this.container = container; |
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this.input = $('.kng-docs-search-input', container); |
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this.results = $('.kng-docs-search-results', container); |
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this.loader = $('.kng-docs-search-loader', container); |
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this.shortcut = $('.kng-docs-search-shortcut', container); |
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if (!this.input || !this.results) return; |
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|
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this.activeIdx = -1; |
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this._bind(); |
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} |
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|
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_bind() { |
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this.input.addEventListener('input', debounce(() => this._search(), 250)); |
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this.input.addEventListener('keydown', (e) => this._keydown(e)); |
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this.input.addEventListener('focus', () => { |
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if (this.input.value.trim().length >= 2 && this.results.childElementCount) { |
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this.results.style.display = 'block'; |
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} |
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}); |
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|
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document.addEventListener('click', (e) => { |
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if (!this.container.contains(e.target)) this._close(); |
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}); |
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|
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/* ⌘K / Ctrl+K shortcut */ |
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document.addEventListener('keydown', (e) => { |
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if ((e.metaKey || e.ctrlKey) && e.key === 'k') { |
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e.preventDefault(); |
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this.input.focus(); |
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} |
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if (e.key === 'Escape') this._close(); |
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}); |
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} |
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|
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async _search() { |
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const q = this.input.value.trim(); |
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if (q.length < 2) { |
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this._close(); |
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return; |
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} |
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|
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this._showLoader(true); |
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|
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try { |
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const r = await fetch( |
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`${kingDocsKB.restUrl}search?q=${encodeURIComponent(q)}`, |
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{ headers: { 'X-WP-Nonce': kingDocsKB.nonce } } |
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); |
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const data = await r.json(); |
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this._render(data.results || [], q); |
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} catch (err) { |
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console.error('[KNG Docs] search error', err); |
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} finally { |
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this._showLoader(false); |
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} |
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} |
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|
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_render(items, query) { |
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this.activeIdx = -1; |
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if (!items.length) { |
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this.results.innerHTML = `<div class="kng-docs-search-empty">${kingDocsKB.i18n?.noResults || 'No articles found.'}</div>`; |
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this.results.style.display = 'block'; |
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return; |
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} |
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|
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const re = new RegExp(`(${query.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')})`, 'gi'); |
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this.results.innerHTML = items.map(i => { |
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const title = i.title.replace(re, '<mark>$1</mark>'); |
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return `<a class="kng-docs-search-result" href="${i.url}"> |
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<span class="kng-docs-search-result-title">${title}</span> |
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<span class="kng-docs-search-result-meta"> |
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${i.category ? `<span>${i.category}</span>` : ''} |
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${i.category && i.reading_time ? `<span class="kng-docs-dot"></span>` : ''} |
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${i.reading_time ? `<span>${i.reading_time}</span>` : ''} |
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</span> |
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</a>`; |
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}).join(''); |
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|
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this.results.style.display = 'block'; |
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} |
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|
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_keydown(e) { |
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const items = $$('.kng-docs-search-result', this.results); |
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if (!items.length) return; |
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|
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if (e.key === 'ArrowDown') { |
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e.preventDefault(); |
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this.activeIdx = Math.min(this.activeIdx + 1, items.length - 1); |
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this._highlight(items); |
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} else if (e.key === 'ArrowUp') { |
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e.preventDefault(); |
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this.activeIdx = Math.max(this.activeIdx - 1, 0); |
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this._highlight(items); |
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} else if (e.key === 'Enter' && this.activeIdx >= 0) { |
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e.preventDefault(); |
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items[this.activeIdx].click(); |
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} |
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} |
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|
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_highlight(items) { |
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items.forEach((el, i) => el.classList.toggle('is-focused', i === this.activeIdx)); |
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if (this.activeIdx >= 0) items[this.activeIdx].scrollIntoView({ block: 'nearest' }); |
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} |
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|
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_showLoader(show) { |
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if (this.loader) this.loader.style.display = show ? 'block' : 'none'; |
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if (this.shortcut) this.shortcut.style.display = show ? 'none' : ''; |
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} |
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|
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_close() { |
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this.results.style.display = 'none'; |
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this.activeIdx = -1; |
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} |
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} |
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|
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/* ======================================== |
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2. TableOfContents — auto-generated |
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======================================== */ |
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class TableOfContents { |
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constructor(contentEl, tocListEl, floatingListEl) { |
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this.content = contentEl; |
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this.tocList = tocListEl; |
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this.floatingList = floatingListEl; |
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if (!this.content) return; |
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|
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this.headings = $$('h2, h3, h4', this.content); |
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if (!this.headings.length) return; |
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|
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this._build(); |
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this._spy(); |
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} |
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|
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_build() { |
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const html = this.headings.map((h, i) => { |
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if (!h.id) h.id = `kng-heading-${i}`; |
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const tag = h.tagName.toLowerCase(); |
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return `<li class="kng-docs-toc-item kng-docs-toc-${tag}" data-id="${h.id}"> |
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<a href="#${h.id}">${h.textContent}</a> |
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</li>`; |
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}).join(''); |
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|
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if (this.tocList) this.tocList.innerHTML = html; |
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if (this.floatingList) this.floatingList.innerHTML = html; |
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} |
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|
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_spy() { |
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if (!('IntersectionObserver' in window)) return; |
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|
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const items = [ |
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...(this.tocList ? $$('.kng-docs-toc-item', this.tocList) : []), |
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...(this.floatingList ? $$('.kng-docs-toc-item', this.floatingList) : []), |
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]; |
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|
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const io = new IntersectionObserver((entries) => { |
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entries.forEach(e => { |
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if (e.isIntersecting) { |
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const id = e.target.id; |
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items.forEach(li => li.classList.toggle('is-active', li.dataset.id === id)); |
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} |
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}); |
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}, { rootMargin: '-80px 0px -70% 0px', threshold: 0 }); |
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|
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this.headings.forEach(h => io.observe(h)); |
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} |
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} |
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|
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/* ======================================== |
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3. ScrollReveal |
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======================================== */ |
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class ScrollReveal { |
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constructor() { |
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if (!('IntersectionObserver' in window)) { |
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$$('.kng-docs-reveal, .kng-docs-reveal-stagger').forEach(el => el.classList.add('is-visible')); |
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return; |
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} |
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|
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const io = new IntersectionObserver((entries) => { |
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entries.forEach(e => { |
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if (e.isIntersecting) { |
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e.target.classList.add('is-visible'); |
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io.unobserve(e.target); |
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} |
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}); |
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}, { threshold: 0.08, rootMargin: '0px 0px -40px 0px' }); |
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|
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$$('.kng-docs-reveal, .kng-docs-reveal-stagger').forEach(el => io.observe(el)); |
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} |
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} |
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|
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/* ======================================== |
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4. Reactions |
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======================================== */ |
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class Reactions { |
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constructor(container) { |
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this.el = container; |
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if (!this.el) return; |
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|
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this.postId = this.el.dataset.postId; |
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this.buttons = $$('.kng-docs-reaction-btn', this.el); |
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this.thanks = $('.kng-docs-reactions-thanks', this.el); |
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|
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const stored = getCookie(`kng_docs_reaction_${this.postId}`); |
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if (stored) { |
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this._showThanks(); |
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return; |
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} |
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|
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this.buttons.forEach(btn => btn.addEventListener('click', () => this._react(btn))); |
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} |
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|
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async _react(btn) { |
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const type = btn.dataset.reaction; |
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btn.classList.add('is-selected'); |
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|
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try { |
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await fetch(kingDocsKB.ajaxUrl, { |
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method: 'POST', |
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headers: { 'Content-Type': 'application/x-www-form-urlencoded' }, |
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body: new URLSearchParams({ |
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action: 'king_docs_reaction', |
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post_id: this.postId, |
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reaction: type, |
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nonce: kingDocsKB.reactionNonce, |
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}), |
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}); |
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} catch (err) { |
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console.error('[KNG Docs] reaction error', err); |
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} |
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|
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setCookie(`kng_docs_reaction_${this.postId}`, type, 30); |
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this._showThanks(); |
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} |
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|
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_showThanks() { |
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this.buttons.forEach(btn => btn.style.display = 'none'); |
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if (this.thanks) this.thanks.classList.add('is-visible'); |
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} |
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} |
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|
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/* ======================================== |
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5. DarkMode |
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======================================== */ |
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class DarkMode { |
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constructor() { |
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const page = $('.kng-docs-page'); |
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if (!page) return; |
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|
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this.page = page; |
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this.mode = page.dataset.kngThemeMode || 'auto'; /* light | dark | auto */ |
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this.toggle = $('.kng-docs-dark-toggle'); |
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|
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this._apply(); |
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|
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if (this.toggle) { |
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this.toggle.addEventListener('click', () => this._cycle()); |
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} |
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|
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if (this.mode === 'auto') { |
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window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => this._apply()); |
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} |
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} |
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|
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_apply() { |
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if (this.mode === 'auto') { |
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const systemDark = window.matchMedia('(prefers-color-scheme: dark)').matches; |
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this.page.dataset.kngTheme = systemDark ? 'dark' : 'light'; |
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} else { |
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this.page.dataset.kngTheme = this.mode; |
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} |
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} |
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|
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_cycle() { |
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const order = ['light', 'dark', 'auto']; |
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const idx = order.indexOf(this.mode); |
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this.mode = order[(idx + 1) % order.length]; |
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this.page.dataset.kngThemeMode = this.mode; |
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this._apply(); |
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setCookie('kng_docs_theme', this.mode, 365); |
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} |
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} |
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|
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/* ======================================== |
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6. SocialShare |
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======================================== */ |
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class SocialShare { |
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constructor() { |
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$$('.kng-docs-share-btn').forEach(btn => { |
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btn.addEventListener('click', (e) => { |
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e.preventDefault(); |
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const type = btn.dataset.share; |
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const url = encodeURIComponent(window.location.href); |
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const title = encodeURIComponent(document.title); |
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|
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switch (type) { |
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case 'copy': |
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navigator.clipboard.writeText(window.location.href).then(() => { |
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this._tooltip(btn, 'Copied!'); |
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}); |
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break; |
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case 'twitter': |
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window.open(`https://twitter.com/intent/tweet?url=${url}&text=${title}`, '_blank', 'width=600,height=400'); |
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break; |
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case 'facebook': |
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window.open(`https://www.facebook.com/sharer/sharer.php?u=${url}`, '_blank', 'width=600,height=400'); |
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break; |
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case 'linkedin': |
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window.open(`https://www.linkedin.com/sharing/share-offsite/?url=${url}`, '_blank', 'width=600,height=400'); |
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break; |
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} |
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}); |
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}); |
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} |
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|
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_tooltip(el, text) { |
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let tip = document.querySelector('.kng-docs-tooltip'); |
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if (!tip) { |
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tip = document.createElement('div'); |
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tip.className = 'kng-docs-tooltip'; |
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document.body.appendChild(tip); |
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} |
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tip.textContent = text; |
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const rect = el.getBoundingClientRect(); |
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tip.style.left = `${rect.left + rect.width / 2 - 30}px`; |
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tip.style.top = `${rect.top - 36}px`; |
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tip.classList.add('is-visible'); |
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setTimeout(() => tip.classList.remove('is-visible'), 1200); |
| 374 |
} |
| 375 |
} |
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|
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/* ======================================== |
| 378 |
7. CopyAnchor |
| 379 |
======================================== */ |
| 380 |
class CopyAnchor { |
| 381 |
constructor() { |
| 382 |
const content = $('.kng-docs-article-content'); |
| 383 |
if (!content) return; |
| 384 |
|
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$$('h2, h3, h4', content).forEach(h => { |
| 386 |
if (!h.id) return; |
| 387 |
const btn = document.createElement('button'); |
| 388 |
btn.className = 'kng-docs-heading-anchor'; |
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btn.setAttribute('aria-label', 'Copy link'); |
| 390 |
btn.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"/><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"/></svg>'; |
| 391 |
btn.addEventListener('click', () => { |
| 392 |
const url = `${window.location.origin}${window.location.pathname}#${h.id}`; |
| 393 |
navigator.clipboard.writeText(url); |
| 394 |
}); |
| 395 |
|
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h.style.position = 'relative'; |
| 397 |
h.appendChild(btn); |
| 398 |
}); |
| 399 |
} |
| 400 |
} |
| 401 |
|
| 402 |
/* ======================================== |
| 403 |
INIT |
| 404 |
======================================== */ |
| 405 |
document.addEventListener('DOMContentLoaded', () => { |
| 406 |
/* Search */ |
| 407 |
const searchEl = $('.kng-docs-search'); |
| 408 |
if (searchEl) new DocsSearch(searchEl); |
| 409 |
|
| 410 |
/* TOC */ |
| 411 |
const articleContent = $('.kng-docs-article-content'); |
| 412 |
const tocList = $('.kng-docs-toc-list'); |
| 413 |
const floatingList = $('.kng-docs-toc-floating-list'); |
| 414 |
if (articleContent) new TableOfContents(articleContent, tocList, floatingList); |
| 415 |
|
| 416 |
/* Scroll reveal */ |
| 417 |
new ScrollReveal(); |
| 418 |
|
| 419 |
/* Reactions */ |
| 420 |
const reactionsEl = $('.kng-docs-reactions'); |
| 421 |
if (reactionsEl) new Reactions(reactionsEl); |
| 422 |
|
| 423 |
/* Dark mode */ |
| 424 |
new DarkMode(); |
| 425 |
|
| 426 |
/* Social share */ |
| 427 |
new SocialShare(); |
| 428 |
|
| 429 |
/* Copy anchor */ |
| 430 |
new CopyAnchor(); |
| 431 |
}); |
| 432 |
})(); |
| 433 |
|
