| 1 |
/** |
| 2 |
* Docs & Knowledge Base - Frontend JavaScript |
| 3 |
* Live search, TOC generation, smooth scroll, analytics |
| 4 |
* |
| 5 |
* @package King_Addons |
| 6 |
*/ |
| 7 |
|
| 8 |
(function() { |
| 9 |
'use strict'; |
| 10 |
|
| 11 |
// Configuration |
| 12 |
const CONFIG = { |
| 13 |
searchDebounce: 300, |
| 14 |
scrollOffset: 80, |
| 15 |
stickyOffset: 100 |
| 16 |
}; |
| 17 |
|
| 18 |
// API endpoints |
| 19 |
const API = { |
| 20 |
search: kngDocsKB?.restUrl + 'search' || '/wp-json/king-addons/v1/docs/search', |
| 21 |
nonce: kngDocsKB?.nonce || '' |
| 22 |
}; |
| 23 |
|
| 24 |
/** |
| 25 |
* Debounce helper |
| 26 |
*/ |
| 27 |
function debounce(func, wait) { |
| 28 |
let timeout; |
| 29 |
return function executedFunction(...args) { |
| 30 |
const later = () => { |
| 31 |
clearTimeout(timeout); |
| 32 |
func(...args); |
| 33 |
}; |
| 34 |
clearTimeout(timeout); |
| 35 |
timeout = setTimeout(later, wait); |
| 36 |
}; |
| 37 |
} |
| 38 |
|
| 39 |
/** |
| 40 |
* Live Search |
| 41 |
*/ |
| 42 |
class DocsSearch { |
| 43 |
constructor(container) { |
| 44 |
this.container = container; |
| 45 |
this.input = container.querySelector('.kng-docs-search-input'); |
| 46 |
this.results = container.querySelector('.kng-docs-search-results'); |
| 47 |
this.loader = container.querySelector('.kng-docs-search-loader'); |
| 48 |
|
| 49 |
if (!this.input || !this.results) return; |
| 50 |
|
| 51 |
this.minChars = parseInt(this.input.dataset.minChars) || 2; |
| 52 |
this.categoryId = this.input.dataset.category || ''; |
| 53 |
|
| 54 |
this.init(); |
| 55 |
} |
| 56 |
|
| 57 |
init() { |
| 58 |
this.input.addEventListener('input', debounce(() => this.handleSearch(), CONFIG.searchDebounce)); |
| 59 |
this.input.addEventListener('focus', () => this.showResults()); |
| 60 |
|
| 61 |
// Close on outside click |
| 62 |
document.addEventListener('click', (e) => { |
| 63 |
if (!this.container.contains(e.target)) { |
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this.hideResults(); |
| 65 |
} |
| 66 |
}); |
| 67 |
|
| 68 |
// Keyboard navigation |
| 69 |
this.input.addEventListener('keydown', (e) => this.handleKeyboard(e)); |
| 70 |
} |
| 71 |
|
| 72 |
async handleSearch() { |
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const query = this.input.value.trim(); |
| 74 |
|
| 75 |
if (query.length < this.minChars) { |
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this.hideResults(); |
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return; |
| 78 |
} |
| 79 |
|
| 80 |
this.showLoader(); |
| 81 |
|
| 82 |
try { |
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let url = `${API.search}?s=${encodeURIComponent(query)}&per_page=10`; |
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if (this.categoryId) { |
| 85 |
url += `&category=${this.categoryId}`; |
| 86 |
} |
| 87 |
|
| 88 |
const response = await fetch(url, { |
| 89 |
headers: { |
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'X-WP-Nonce': API.nonce |
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} |
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}); |
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|
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const data = await response.json(); |
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this.renderResults(data); |
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} catch (error) { |
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console.error('Search error:', error); |
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this.renderEmpty(); |
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} |
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|
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this.hideLoader(); |
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} |
| 103 |
|
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renderResults(results) { |
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if (!results || results.length === 0) { |
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this.renderEmpty(); |
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return; |
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} |
| 109 |
|
| 110 |
const html = results.map(item => ` |
| 111 |
<a href="${item.url}" class="kng-docs-search-result"> |
| 112 |
<div class="kng-docs-search-result-title">${item.title}</div> |
| 113 |
${item.category ? `<div class="kng-docs-search-result-category">${item.category}</div>` : ''} |
| 114 |
</a> |
| 115 |
`).join(''); |
| 116 |
|
| 117 |
this.results.innerHTML = html; |
| 118 |
this.showResults(); |
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} |
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|
| 121 |
renderEmpty() { |
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this.results.innerHTML = ` |
| 123 |
<div class="kng-docs-search-empty"> |
| 124 |
${kngDocsKB?.i18n?.noResults || 'No results found'} |
| 125 |
</div> |
| 126 |
`; |
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this.showResults(); |
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} |
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|
| 130 |
showResults() { |
| 131 |
if (this.input.value.trim().length >= this.minChars) { |
| 132 |
this.results.style.display = 'block'; |
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} |
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} |
| 135 |
|
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hideResults() { |
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this.results.style.display = 'none'; |
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} |
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|
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showLoader() { |
| 141 |
if (this.loader) { |
| 142 |
this.loader.style.display = 'flex'; |
| 143 |
} |
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} |
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|
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hideLoader() { |
| 147 |
if (this.loader) { |
| 148 |
this.loader.style.display = 'none'; |
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} |
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} |
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|
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handleKeyboard(e) { |
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const items = this.results.querySelectorAll('.kng-docs-search-result'); |
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const activeItem = this.results.querySelector('.kng-docs-search-result:focus'); |
| 155 |
const activeIndex = activeItem ? Array.from(items).indexOf(activeItem) : -1; |
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|
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switch (e.key) { |
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case 'ArrowDown': |
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e.preventDefault(); |
| 160 |
if (activeIndex < items.length - 1) { |
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items[activeIndex + 1].focus(); |
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} else if (activeIndex === -1 && items.length > 0) { |
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items[0].focus(); |
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} |
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break; |
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|
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case 'ArrowUp': |
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e.preventDefault(); |
| 169 |
if (activeIndex > 0) { |
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items[activeIndex - 1].focus(); |
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} else { |
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this.input.focus(); |
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} |
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break; |
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|
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case 'Escape': |
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this.hideResults(); |
| 178 |
this.input.blur(); |
| 179 |
break; |
| 180 |
} |
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} |
| 182 |
} |
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|
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/** |
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* Table of Contents Generator |
| 186 |
*/ |
| 187 |
class TableOfContents { |
| 188 |
constructor(contentEl, tocEl, floatingTocEl = null) { |
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this.content = contentEl; |
| 190 |
this.toc = tocEl; |
| 191 |
this.floatingToc = floatingTocEl; |
| 192 |
|
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if (!this.content) return; |
| 194 |
|
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this.headings = this.content.dataset.tocHeadings || 'h2,h3'; |
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this.init(); |
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} |
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|
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init() { |
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const elements = this.content.querySelectorAll(this.headings); |
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|
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if (elements.length === 0) { |
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if (this.toc) this.toc.style.display = 'none'; |
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return; |
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} |
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|
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const tocItems = []; |
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|
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elements.forEach((el, index) => { |
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const id = `toc-${index}`; |
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el.id = id; |
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|
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const level = el.tagName.toLowerCase(); |
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const text = el.textContent; |
| 215 |
|
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tocItems.push({ |
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id, |
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text, |
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level |
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}); |
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}); |
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|
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const html = this.generateHTML(tocItems); |
| 224 |
|
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if (this.toc) { |
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const list = this.toc.querySelector('.kng-docs-toc-list'); |
| 227 |
if (list) { |
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list.innerHTML = html; |
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this.toc.style.display = ''; |
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} |
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} |
| 232 |
|
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if (this.floatingToc) { |
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this.floatingToc.innerHTML = html; |
| 235 |
} |
| 236 |
|
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// Initialize scroll spy |
| 238 |
this.initScrollSpy(tocItems); |
| 239 |
|
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// Smooth scroll |
| 241 |
this.initSmoothScroll(); |
| 242 |
} |
| 243 |
|
| 244 |
generateHTML(items) { |
| 245 |
return items.map(item => ` |
| 246 |
<li class="kng-docs-toc-item kng-docs-toc-${item.level}"> |
| 247 |
<a href="#${item.id}">${item.text}</a> |
| 248 |
</li> |
| 249 |
`).join(''); |
| 250 |
} |
| 251 |
|
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initScrollSpy(items) { |
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const observer = new IntersectionObserver((entries) => { |
| 254 |
entries.forEach(entry => { |
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const link = document.querySelector(`.kng-docs-toc-item a[href="#${entry.target.id}"]`); |
| 256 |
if (link) { |
| 257 |
if (entry.isIntersecting) { |
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// Remove active from all |
| 259 |
document.querySelectorAll('.kng-docs-toc-item').forEach(item => { |
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item.classList.remove('is-active'); |
| 261 |
}); |
| 262 |
link.parentElement.classList.add('is-active'); |
| 263 |
} |
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} |
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}); |
| 266 |
}, { |
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rootMargin: '-100px 0px -66%', |
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threshold: 0 |
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}); |
| 270 |
|
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items.forEach(item => { |
| 272 |
const el = document.getElementById(item.id); |
| 273 |
if (el) observer.observe(el); |
| 274 |
}); |
| 275 |
} |
| 276 |
|
| 277 |
initSmoothScroll() { |
| 278 |
document.querySelectorAll('.kng-docs-toc-list a').forEach(link => { |
| 279 |
link.addEventListener('click', (e) => { |
| 280 |
e.preventDefault(); |
| 281 |
const targetId = link.getAttribute('href').slice(1); |
| 282 |
const target = document.getElementById(targetId); |
| 283 |
|
| 284 |
if (target) { |
| 285 |
const offsetTop = target.getBoundingClientRect().top + window.pageYOffset - CONFIG.scrollOffset; |
| 286 |
window.scrollTo({ |
| 287 |
top: offsetTop, |
| 288 |
behavior: 'smooth' |
| 289 |
}); |
| 290 |
|
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// Update URL without scrolling |
| 292 |
history.pushState(null, '', link.getAttribute('href')); |
| 293 |
} |
| 294 |
}); |
| 295 |
}); |
| 296 |
} |
| 297 |
} |
| 298 |
|
| 299 |
/** |
| 300 |
* Article Feedback |
| 301 |
*/ |
| 302 |
class ArticleFeedback { |
| 303 |
constructor(container) { |
| 304 |
this.container = container; |
| 305 |
this.docId = container.dataset.docId; |
| 306 |
this.buttons = container.querySelector('.kng-docs-feedback-buttons'); |
| 307 |
this.thanks = container.querySelector('.kng-docs-feedback-thanks'); |
| 308 |
this.question = container.querySelector('.kng-docs-feedback-question'); |
| 309 |
|
| 310 |
if (!this.buttons) return; |
| 311 |
|
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this.init(); |
| 313 |
} |
| 314 |
|
| 315 |
init() { |
| 316 |
const btns = this.container.querySelectorAll('.kng-docs-feedback-btn'); |
| 317 |
|
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btns.forEach(btn => { |
| 319 |
btn.addEventListener('click', () => this.submitFeedback(btn.dataset.value)); |
| 320 |
}); |
| 321 |
} |
| 322 |
|
| 323 |
async submitFeedback(value) { |
| 324 |
// Check if already submitted |
| 325 |
if (localStorage.getItem(`kng_doc_feedback_${this.docId}`)) { |
| 326 |
this.showThanks(); |
| 327 |
return; |
| 328 |
} |
| 329 |
|
| 330 |
try { |
| 331 |
const formData = new FormData(); |
| 332 |
formData.append('action', 'king_addons_docs_feedback'); |
| 333 |
formData.append('doc_id', this.docId); |
| 334 |
formData.append('feedback', value); |
| 335 |
formData.append('nonce', kngDocsKB?.feedbackNonce || ''); |
| 336 |
|
| 337 |
await fetch(kngDocsKB?.ajaxUrl || '/wp-admin/admin-ajax.php', { |
| 338 |
method: 'POST', |
| 339 |
body: formData |
| 340 |
}); |
| 341 |
|
| 342 |
// Store in localStorage to prevent duplicate submissions |
| 343 |
localStorage.setItem(`kng_doc_feedback_${this.docId}`, value); |
| 344 |
|
| 345 |
this.showThanks(); |
| 346 |
} catch (error) { |
| 347 |
console.error('Feedback error:', error); |
| 348 |
} |
| 349 |
} |
| 350 |
|
| 351 |
showThanks() { |
| 352 |
if (this.buttons) this.buttons.style.display = 'none'; |
| 353 |
if (this.question) this.question.style.display = 'none'; |
| 354 |
if (this.thanks) this.thanks.style.display = 'flex'; |
| 355 |
} |
| 356 |
} |
| 357 |
|
| 358 |
/** |
| 359 |
* Sticky Elements |
| 360 |
*/ |
| 361 |
class StickyElement { |
| 362 |
constructor(element) { |
| 363 |
this.element = element; |
| 364 |
this.isSticky = element.classList.contains('is-sticky'); |
| 365 |
|
| 366 |
if (!this.isSticky) return; |
| 367 |
|
| 368 |
this.init(); |
| 369 |
} |
| 370 |
|
| 371 |
init() { |
| 372 |
const inner = this.element.querySelector('.kng-docs-sidebar-inner, .kng-docs-toc-floating-inner'); |
| 373 |
|
| 374 |
if (inner) { |
| 375 |
inner.style.position = 'sticky'; |
| 376 |
inner.style.top = `${CONFIG.stickyOffset}px`; |
| 377 |
} |
| 378 |
} |
| 379 |
} |
| 380 |
|
| 381 |
/** |
| 382 |
* Copy Code Button |
| 383 |
*/ |
| 384 |
class CopyCode { |
| 385 |
constructor() { |
| 386 |
this.init(); |
| 387 |
} |
| 388 |
|
| 389 |
init() { |
| 390 |
const codeBlocks = document.querySelectorAll('.kng-docs-article-content pre'); |
| 391 |
|
| 392 |
codeBlocks.forEach(block => { |
| 393 |
const button = document.createElement('button'); |
| 394 |
button.className = 'kng-docs-copy-btn'; |
| 395 |
button.innerHTML = ` |
| 396 |
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"> |
| 397 |
<rect x="9" y="9" width="13" height="13" rx="2" ry="2"/> |
| 398 |
<path d="M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1"/> |
| 399 |
</svg> |
| 400 |
`; |
| 401 |
button.title = kngDocsKB?.i18n?.copy || 'Copy'; |
| 402 |
|
| 403 |
block.style.position = 'relative'; |
| 404 |
block.appendChild(button); |
| 405 |
|
| 406 |
button.addEventListener('click', () => this.copyToClipboard(block, button)); |
| 407 |
}); |
| 408 |
} |
| 409 |
|
| 410 |
async copyToClipboard(block, button) { |
| 411 |
const code = block.querySelector('code') || block; |
| 412 |
const text = code.textContent; |
| 413 |
|
| 414 |
try { |
| 415 |
await navigator.clipboard.writeText(text); |
| 416 |
button.classList.add('copied'); |
| 417 |
button.innerHTML = ` |
| 418 |
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"> |
| 419 |
<polyline points="20 6 9 17 4 12"/> |
| 420 |
</svg> |
| 421 |
`; |
| 422 |
|
| 423 |
setTimeout(() => { |
| 424 |
button.classList.remove('copied'); |
| 425 |
button.innerHTML = ` |
| 426 |
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"> |
| 427 |
<rect x="9" y="9" width="13" height="13" rx="2" ry="2"/> |
| 428 |
<path d="M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1"/> |
| 429 |
</svg> |
| 430 |
`; |
| 431 |
}, 2000); |
| 432 |
} catch (error) { |
| 433 |
console.error('Copy failed:', error); |
| 434 |
} |
| 435 |
} |
| 436 |
} |
| 437 |
|
| 438 |
/** |
| 439 |
* Reading Progress |
| 440 |
*/ |
| 441 |
class ReadingProgress { |
| 442 |
constructor(article) { |
| 443 |
this.article = article; |
| 444 |
|
| 445 |
if (!this.article) return; |
| 446 |
|
| 447 |
this.init(); |
| 448 |
} |
| 449 |
|
| 450 |
init() { |
| 451 |
const progressBar = document.createElement('div'); |
| 452 |
progressBar.className = 'kng-docs-reading-progress'; |
| 453 |
progressBar.innerHTML = '<div class="kng-docs-reading-progress-bar"></div>'; |
| 454 |
document.body.appendChild(progressBar); |
| 455 |
|
| 456 |
const bar = progressBar.querySelector('.kng-docs-reading-progress-bar'); |
| 457 |
|
| 458 |
window.addEventListener('scroll', () => { |
| 459 |
const articleRect = this.article.getBoundingClientRect(); |
| 460 |
const articleTop = articleRect.top + window.pageYOffset; |
| 461 |
const articleHeight = this.article.offsetHeight; |
| 462 |
const windowHeight = window.innerHeight; |
| 463 |
const scrollTop = window.pageYOffset; |
| 464 |
|
| 465 |
const start = articleTop - windowHeight; |
| 466 |
const end = articleTop + articleHeight; |
| 467 |
const progress = (scrollTop - start) / (end - start); |
| 468 |
|
| 469 |
bar.style.width = `${Math.min(Math.max(progress * 100, 0), 100)}%`; |
| 470 |
}); |
| 471 |
} |
| 472 |
} |
| 473 |
|
| 474 |
/** |
| 475 |
* Initialize |
| 476 |
*/ |
| 477 |
function init() { |
| 478 |
// Search |
| 479 |
document.querySelectorAll('.kng-docs-search').forEach(el => { |
| 480 |
new DocsSearch(el); |
| 481 |
}); |
| 482 |
|
| 483 |
// Table of Contents |
| 484 |
const content = document.querySelector('.kng-docs-article-content'); |
| 485 |
const toc = document.getElementById('kng-docs-toc'); |
| 486 |
const floatingToc = document.querySelector('.kng-docs-toc-floating-list'); |
| 487 |
|
| 488 |
if (content) { |
| 489 |
new TableOfContents(content, toc, floatingToc); |
| 490 |
} |
| 491 |
|
| 492 |
// Feedback |
| 493 |
document.querySelectorAll('.kng-docs-feedback').forEach(el => { |
| 494 |
new ArticleFeedback(el); |
| 495 |
}); |
| 496 |
|
| 497 |
// Sticky elements |
| 498 |
document.querySelectorAll('.kng-docs-sidebar, .kng-docs-toc-floating').forEach(el => { |
| 499 |
new StickyElement(el); |
| 500 |
}); |
| 501 |
|
| 502 |
// Copy code buttons |
| 503 |
if (document.querySelector('.kng-docs-article-content pre')) { |
| 504 |
new CopyCode(); |
| 505 |
} |
| 506 |
|
| 507 |
// Reading progress (optional) |
| 508 |
const article = document.querySelector('.kng-docs-article'); |
| 509 |
if (article && kngDocsKB?.showReadingProgress) { |
| 510 |
new ReadingProgress(article); |
| 511 |
} |
| 512 |
} |
| 513 |
|
| 514 |
// Run on DOM ready |
| 515 |
if (document.readyState === 'loading') { |
| 516 |
document.addEventListener('DOMContentLoaded', init); |
| 517 |
} else { |
| 518 |
init(); |
| 519 |
} |
| 520 |
})(); |
| 521 |
|
