Deploy 1ae831e from main
This commit is contained in:
github-actions[bot]
367
public/js/peptide-news-feed.js
Normal file
367
public/js/peptide-news-feed.js
Normal file
@@ -0,0 +1,367 @@
|
||||
/**
|
||||
* Peptide News Feed — React Frontend
|
||||
*
|
||||
* A clean, accessible news feed component that displays peptide research
|
||||
* articles with title, summary, source, date, and keyword tags.
|
||||
*
|
||||
* @since 2.0.0
|
||||
*/
|
||||
const {
|
||||
useState,
|
||||
useEffect,
|
||||
useCallback,
|
||||
useRef,
|
||||
memo
|
||||
} = React;
|
||||
|
||||
/* ── Constants ──────────────────────────────────────────────────────── */
|
||||
|
||||
const ARTICLES_PER_PAGE = 10;
|
||||
const CACHE_TTL_MS = 5 * 60 * 1000; // 5 minutes
|
||||
|
||||
/* ── Utilities ──────────────────────────────────────────────────────── */
|
||||
|
||||
/**
|
||||
* Format an ISO date string to a human-readable form.
|
||||
*
|
||||
* @param {string} dateStr ISO date string.
|
||||
* @returns {string} Formatted date (e.g., "Apr 5, 2026").
|
||||
*/
|
||||
function formatDate(dateStr) {
|
||||
if (!dateStr) return '';
|
||||
const d = new Date(dateStr);
|
||||
if (isNaN(d.getTime())) return dateStr;
|
||||
return d.toLocaleDateString('en-US', {
|
||||
month: 'short',
|
||||
day: 'numeric',
|
||||
year: 'numeric'
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate a human-readable relative time string.
|
||||
*
|
||||
* @param {string} dateStr ISO date string.
|
||||
* @returns {string} Relative time (e.g., "2 hours ago").
|
||||
*/
|
||||
function timeAgo(dateStr) {
|
||||
if (!dateStr) return '';
|
||||
const now = Date.now();
|
||||
const then = new Date(dateStr).getTime();
|
||||
if (isNaN(then)) return '';
|
||||
const diffMs = now - then;
|
||||
const diffMin = Math.floor(diffMs / 60000);
|
||||
if (diffMin < 1) return 'Just now';
|
||||
if (diffMin < 60) return `${diffMin}m ago`;
|
||||
const diffHr = Math.floor(diffMin / 60);
|
||||
if (diffHr < 24) return `${diffHr}h ago`;
|
||||
const diffDay = Math.floor(diffHr / 24);
|
||||
if (diffDay < 7) return `${diffDay}d ago`;
|
||||
return formatDate(dateStr);
|
||||
}
|
||||
|
||||
/* ── Simple in-memory cache ─────────────────────────────────────────── */
|
||||
|
||||
const apiCache = new Map();
|
||||
function getCached(key) {
|
||||
const entry = apiCache.get(key);
|
||||
if (!entry) return null;
|
||||
if (Date.now() - entry.ts > CACHE_TTL_MS) {
|
||||
apiCache.delete(key);
|
||||
return null;
|
||||
}
|
||||
return entry.data;
|
||||
}
|
||||
function setCache(key, data) {
|
||||
apiCache.set(key, {
|
||||
data,
|
||||
ts: Date.now()
|
||||
});
|
||||
}
|
||||
|
||||
/* ── API Layer ──────────────────────────────────────────────────────── */
|
||||
|
||||
/**
|
||||
* Fetch articles from the WP REST API with caching.
|
||||
*
|
||||
* @param {string} restUrl Base REST URL.
|
||||
* @param {number} page Page number.
|
||||
* @param {number} count Articles per page.
|
||||
* @param {AbortSignal} signal Abort signal for cleanup.
|
||||
* @returns {Promise<Object>} Response data.
|
||||
*/
|
||||
async function fetchArticles(restUrl, page, count, signal) {
|
||||
const cacheKey = `${restUrl}:${page}:${count}`;
|
||||
const cached = getCached(cacheKey);
|
||||
if (cached) return cached;
|
||||
const url = `${restUrl}articles?count=${count}&page=${page}`;
|
||||
const resp = await fetch(url, {
|
||||
signal
|
||||
});
|
||||
if (!resp.ok) {
|
||||
throw new Error(`HTTP ${resp.status}: ${resp.statusText}`);
|
||||
}
|
||||
const data = await resp.json();
|
||||
setCache(cacheKey, data);
|
||||
return data;
|
||||
}
|
||||
|
||||
/* ── Click Tracking ─────────────────────────────────────────────────── */
|
||||
|
||||
/**
|
||||
* Track an outbound click via sendBeacon or fallback XHR.
|
||||
*
|
||||
* @param {number} articleId
|
||||
*/
|
||||
function trackClick(articleId) {
|
||||
const config = window.peptideNewsFeed || {};
|
||||
if (!config.ajaxUrl || !config.nonce) return;
|
||||
const formData = new FormData();
|
||||
formData.append('action', 'peptide_news_track_click');
|
||||
formData.append('nonce', config.nonce);
|
||||
formData.append('article_id', articleId);
|
||||
formData.append('referrer', document.referrer || '');
|
||||
formData.append('page_url', window.location.href);
|
||||
formData.append('session_id', config.sessionId || '');
|
||||
if (navigator.sendBeacon) {
|
||||
navigator.sendBeacon(config.ajaxUrl, formData);
|
||||
} else {
|
||||
fetch(config.ajaxUrl, {
|
||||
method: 'POST',
|
||||
body: formData
|
||||
}).catch(() => {});
|
||||
}
|
||||
}
|
||||
|
||||
/* ── Components ─────────────────────────────────────────────────────── */
|
||||
|
||||
/**
|
||||
* Single keyword tag pill.
|
||||
*/
|
||||
const Tag = memo(function Tag({
|
||||
label
|
||||
}) {
|
||||
return /*#__PURE__*/React.createElement("span", {
|
||||
className: "pn-tag"
|
||||
}, label);
|
||||
});
|
||||
|
||||
/**
|
||||
* Single article card.
|
||||
*/
|
||||
const ArticleCard = memo(function ArticleCard({
|
||||
article
|
||||
}) {
|
||||
const summary = article.ai_summary || article.excerpt || '';
|
||||
const tagSource = article.tags || article.categories || '';
|
||||
const tags = tagSource ? tagSource.split(',').map(t => t.trim()).filter(Boolean).slice(0, 5) : [];
|
||||
const handleClick = useCallback(() => {
|
||||
trackClick(article.id);
|
||||
}, [article.id]);
|
||||
return /*#__PURE__*/React.createElement("article", {
|
||||
className: "pn-article",
|
||||
role: "article"
|
||||
}, /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-article-meta"
|
||||
}, /*#__PURE__*/React.createElement("span", {
|
||||
className: "pn-source"
|
||||
}, article.source), /*#__PURE__*/React.createElement("span", {
|
||||
className: "pn-separator",
|
||||
"aria-hidden": "true"
|
||||
}, "\xB7"), /*#__PURE__*/React.createElement("time", {
|
||||
className: "pn-date",
|
||||
dateTime: article.published_at,
|
||||
title: formatDate(article.published_at)
|
||||
}, timeAgo(article.published_at))), /*#__PURE__*/React.createElement("h3", {
|
||||
className: "pn-article-title"
|
||||
}, /*#__PURE__*/React.createElement("a", {
|
||||
href: article.source_url,
|
||||
onClick: handleClick,
|
||||
target: "_blank",
|
||||
rel: "noopener noreferrer"
|
||||
}, article.title)), summary && /*#__PURE__*/React.createElement("p", {
|
||||
className: "pn-article-excerpt"
|
||||
}, summary), article.author && /*#__PURE__*/React.createElement("span", {
|
||||
className: "pn-author"
|
||||
}, article.author), tags.length > 0 && /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-tags",
|
||||
role: "list",
|
||||
"aria-label": "Keywords"
|
||||
}, tags.map(tag => /*#__PURE__*/React.createElement(Tag, {
|
||||
key: tag,
|
||||
label: tag
|
||||
}))));
|
||||
});
|
||||
|
||||
/**
|
||||
* Loading skeleton placeholder.
|
||||
*/
|
||||
function LoadingSkeleton({
|
||||
count = 3
|
||||
}) {
|
||||
return /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-loading",
|
||||
"aria-busy": "true",
|
||||
"aria-label": "Loading articles"
|
||||
}, Array.from({
|
||||
length: count
|
||||
}, (_, i) => /*#__PURE__*/React.createElement("div", {
|
||||
key: i,
|
||||
className: "pn-skeleton-card"
|
||||
}, /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-skeleton-line pn-skeleton-meta"
|
||||
}), /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-skeleton-line pn-skeleton-title"
|
||||
}), /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-skeleton-line pn-skeleton-excerpt"
|
||||
}), /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-skeleton-line pn-skeleton-excerpt-short"
|
||||
}), /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-skeleton-tags"
|
||||
}, /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-skeleton-tag"
|
||||
}), /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-skeleton-tag"
|
||||
}), /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-skeleton-tag"
|
||||
})))));
|
||||
}
|
||||
|
||||
/**
|
||||
* Error state with retry.
|
||||
*/
|
||||
function ErrorMessage({
|
||||
message,
|
||||
onRetry
|
||||
}) {
|
||||
return /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-error",
|
||||
role: "alert"
|
||||
}, /*#__PURE__*/React.createElement("p", null, "Unable to load articles. ", message), /*#__PURE__*/React.createElement("button", {
|
||||
className: "pn-retry-btn",
|
||||
onClick: onRetry,
|
||||
type: "button"
|
||||
}, "Try Again"));
|
||||
}
|
||||
|
||||
/**
|
||||
* Empty state.
|
||||
*/
|
||||
function EmptyState() {
|
||||
return /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-empty"
|
||||
}, /*#__PURE__*/React.createElement("p", null, "No peptide news articles available yet. Check back soon!"));
|
||||
}
|
||||
|
||||
/**
|
||||
* Pagination controls.
|
||||
*/
|
||||
const Pagination = memo(function Pagination({
|
||||
page,
|
||||
totalPages,
|
||||
onPageChange
|
||||
}) {
|
||||
if (totalPages <= 1) return null;
|
||||
return /*#__PURE__*/React.createElement("nav", {
|
||||
className: "pn-pagination",
|
||||
"aria-label": "Article pages"
|
||||
}, /*#__PURE__*/React.createElement("button", {
|
||||
className: "pn-page-btn",
|
||||
onClick: () => onPageChange(page - 1),
|
||||
disabled: page <= 1,
|
||||
"aria-label": "Previous page",
|
||||
type: "button"
|
||||
}, "\u2190 Newer"), /*#__PURE__*/React.createElement("span", {
|
||||
className: "pn-page-info",
|
||||
"aria-current": "page"
|
||||
}, "Page ", page, " of ", totalPages), /*#__PURE__*/React.createElement("button", {
|
||||
className: "pn-page-btn",
|
||||
onClick: () => onPageChange(page + 1),
|
||||
disabled: page >= totalPages,
|
||||
"aria-label": "Next page",
|
||||
type: "button"
|
||||
}, "Older \u2192"));
|
||||
});
|
||||
|
||||
/* ── Main Feed Component ────────────────────────────────────────────── */
|
||||
|
||||
/**
|
||||
* PeptideNewsFeed — root component.
|
||||
*
|
||||
* Reads configuration from window.peptideNewsFeed which is
|
||||
* localized by the PHP shortcode renderer.
|
||||
*/
|
||||
function PeptideNewsFeed() {
|
||||
const config = window.peptideNewsFeed || {};
|
||||
const restUrl = config.restUrl || '/wp-json/peptide-news/v1/';
|
||||
const perPage = config.count || ARTICLES_PER_PAGE;
|
||||
const [articles, setArticles] = useState([]);
|
||||
const [page, setPage] = useState(1);
|
||||
const [totalPages, setTotalPages] = useState(1);
|
||||
const [loading, setLoading] = useState(true);
|
||||
const [error, setError] = useState(null);
|
||||
const feedRef = useRef(null);
|
||||
const loadArticles = useCallback(async (pageNum, signal) => {
|
||||
setLoading(true);
|
||||
setError(null);
|
||||
try {
|
||||
const data = await fetchArticles(restUrl, pageNum, perPage, signal);
|
||||
setArticles(data.articles || []);
|
||||
setTotalPages(data.total_pages || 1);
|
||||
} catch (err) {
|
||||
if (err.name !== 'AbortError') {
|
||||
setError(err.message || 'Something went wrong.');
|
||||
}
|
||||
} finally {
|
||||
setLoading(false);
|
||||
}
|
||||
}, [restUrl, perPage]);
|
||||
useEffect(() => {
|
||||
const controller = new AbortController();
|
||||
loadArticles(page, controller.signal);
|
||||
return () => controller.abort();
|
||||
}, [page, loadArticles]);
|
||||
const handlePageChange = useCallback(newPage => {
|
||||
setPage(newPage);
|
||||
// Scroll feed container into view on pagination.
|
||||
if (feedRef.current) {
|
||||
feedRef.current.scrollIntoView({
|
||||
behavior: 'smooth',
|
||||
block: 'start'
|
||||
});
|
||||
}
|
||||
}, []);
|
||||
const handleRetry = useCallback(() => {
|
||||
loadArticles(page);
|
||||
}, [page, loadArticles]);
|
||||
return /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-news-feed",
|
||||
ref: feedRef
|
||||
}, loading && /*#__PURE__*/React.createElement(LoadingSkeleton, {
|
||||
count: Math.min(perPage, 5)
|
||||
}), !loading && error && /*#__PURE__*/React.createElement(ErrorMessage, {
|
||||
message: error,
|
||||
onRetry: handleRetry
|
||||
}), !loading && !error && articles.length === 0 && /*#__PURE__*/React.createElement(EmptyState, null), !loading && !error && articles.length > 0 && /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("div", {
|
||||
className: "pn-articles-list",
|
||||
role: "feed",
|
||||
"aria-label": "Peptide news articles"
|
||||
}, articles.map(article => /*#__PURE__*/React.createElement(ArticleCard, {
|
||||
key: article.id,
|
||||
article: article
|
||||
}))), /*#__PURE__*/React.createElement(Pagination, {
|
||||
page: page,
|
||||
totalPages: totalPages,
|
||||
onPageChange: handlePageChange
|
||||
})));
|
||||
}
|
||||
|
||||
/* ── Mount ──────────────────────────────────────────────────────────── */
|
||||
|
||||
document.addEventListener('DOMContentLoaded', function () {
|
||||
const containers = document.querySelectorAll('[data-peptide-news-feed]');
|
||||
containers.forEach(function (el) {
|
||||
const root = ReactDOM.createRoot(el);
|
||||
root.render(React.createElement(PeptideNewsFeed));
|
||||
});
|
||||
});
|
||||
@@ -1,83 +1,9 @@
|
||||
/**
|
||||
* Peptide News — Public Click Tracker
|
||||
* Peptide News — Legacy Click Tracker (deprecated)
|
||||
*
|
||||
* Tracks outbound clicks on article links via AJAX and
|
||||
* manages visitor session cookies.
|
||||
* Click tracking is now handled by the React feed component.
|
||||
* This file is kept as an empty placeholder for backward compatibility.
|
||||
*
|
||||
* @since 1.0.0
|
||||
* @deprecated 2.0.0 Use peptide-news-feed.js instead.
|
||||
*/
|
||||
(function ($) {
|
||||
'use strict';
|
||||
|
||||
// Set session cookie if it doesn't exist.
|
||||
function initSession() {
|
||||
if (!getCookie('pn_session_id')) {
|
||||
var sessionId = peptideNewsPublic.session_id || generateUUID();
|
||||
setCookie('pn_session_id', sessionId, 30); // 30-minute cookie
|
||||
}
|
||||
}
|
||||
|
||||
function getCookie(name) {
|
||||
var match = document.cookie.match(new RegExp('(^| )' + name + '=([^;]+)'));
|
||||
return match ? decodeURIComponent(match[2]) : null;
|
||||
}
|
||||
|
||||
function setCookie(name, value, minutes) {
|
||||
var d = new Date();
|
||||
d.setTime(d.getTime() + minutes * 60 * 1000);
|
||||
var cookie = name + '=' + encodeURIComponent(value) +
|
||||
';expires=' + d.toUTCString() +
|
||||
';path=/;SameSite=Lax';
|
||||
if (window.location.protocol === 'https:') {
|
||||
cookie += ';Secure';
|
||||
}
|
||||
document.cookie = cookie;
|
||||
}
|
||||
|
||||
function generateUUID() {
|
||||
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
|
||||
var r = (Math.random() * 16) | 0;
|
||||
var v = c === 'x' ? r : (r & 0x3) | 0x8;
|
||||
return v.toString(16);
|
||||
});
|
||||
}
|
||||
|
||||
// Track click via AJAX (fire-and-forget with beacon fallback).
|
||||
function trackClick(articleId) {
|
||||
var data = {
|
||||
action: 'peptide_news_track_click',
|
||||
nonce: peptideNewsPublic.nonce,
|
||||
article_id: articleId,
|
||||
referrer: document.referrer || '',
|
||||
page_url: window.location.href,
|
||||
session_id: getCookie('pn_session_id') || '',
|
||||
};
|
||||
|
||||
// Try sendBeacon first (non-blocking, survives page navigation).
|
||||
if (navigator.sendBeacon) {
|
||||
var formData = new FormData();
|
||||
Object.keys(data).forEach(function (key) {
|
||||
formData.append(key, data[key]);
|
||||
});
|
||||
navigator.sendBeacon(peptideNewsPublic.ajax_url, formData);
|
||||
return;
|
||||
}
|
||||
|
||||
// Fallback to AJAX.
|
||||
$.post(peptideNewsPublic.ajax_url, data);
|
||||
}
|
||||
|
||||
$(document).ready(function () {
|
||||
initSession();
|
||||
|
||||
// Delegate click events on tracked links.
|
||||
$(document).on('click', '.pn-track-click', function () {
|
||||
var articleId = $(this).data('article-id');
|
||||
if (articleId) {
|
||||
trackClick(articleId);
|
||||
}
|
||||
// Don't prevent default — let the link open normally.
|
||||
});
|
||||
});
|
||||
|
||||
})(jQuery);
|
||||
|
||||
Reference in New Issue
Block a user