| 1 |
<?php |
| 2 |
if (!defined('ABSPATH')) exit; |
| 3 |
|
| 4 |
use BerqWP\Cache; |
| 5 |
use BerqWP_Deps\voku\helper\HtmlDomParser; |
| 6 |
|
| 7 |
class berqPageOptimizer { |
| 8 |
public $page_slug = null; |
| 9 |
public $page_url = null; |
| 10 |
public $settings = null; |
| 11 |
|
| 12 |
function __construct() { |
| 13 |
|
| 14 |
if ($this->settings === null) { |
| 15 |
$this->settings = berqwp_get_page_params(home_url()); |
| 16 |
} |
| 17 |
|
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add_filter('berqwp_photon_before_closing_body', [$this, 'img_lazy_load_js']); |
| 19 |
add_filter('berqwp_photon_before_closing_body', [$this, 'video_lazy_load_js']); |
| 20 |
add_filter('berqwp_photon_before_closing_body', [$this, 'iframe_lazy_load_js']); |
| 21 |
add_filter('berqwp_photon_before_closing_body', [$this, 'dynamic_js_loading_script']); |
| 22 |
add_filter('berqwp_photon_before_closing_body', [$this, 'dynamic_css_loading_script']); |
| 23 |
add_filter('berqwp_photon_before_closing_body', [$this, 'prerender_on_hover']); |
| 24 |
|
| 25 |
} |
| 26 |
|
| 27 |
function start_cache() { |
| 28 |
add_action('template_redirect', [$this, 'buffer_start'], 2); |
| 29 |
} |
| 30 |
|
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function set_slug($slug) { |
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$this->page_slug = $slug; |
| 33 |
} |
| 34 |
|
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function set_page($page_url) { |
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$this->page_url = $page_url; |
| 37 |
} |
| 38 |
|
| 39 |
|
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function buffer_start() { |
| 41 |
ob_start([$this, 'buffer_end']); |
| 42 |
} |
| 43 |
|
| 44 |
function prerender_on_hover($script) { |
| 45 |
|
| 46 |
if ($this->settings['prerender_link']) { |
| 47 |
$script .= " |
| 48 |
<script id='prefetch-links' defer> |
| 49 |
|
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function berq_prerender(url) { |
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const s = document.createElement('script'); |
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s.type = 'speculationrules'; |
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s.textContent = JSON.stringify({ |
| 54 |
prerender: [{ urls: [url] }] |
| 55 |
}); |
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document.head.appendChild(s); |
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} |
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|
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// Set to keep track of prefetched links |
| 60 |
const prefetchedLinks = new Set(); |
| 61 |
|
| 62 |
// Get all anchor tags on the page |
| 63 |
const links = document.querySelectorAll('a:not([data-price-key])'); |
| 64 |
|
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// Loop through each anchor tag |
| 66 |
links.forEach(link => { |
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// Add mouseover event listener |
| 68 |
link.addEventListener('mouseover', () => { |
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const excludes = ['tel:', 'mailto:', 'sms:', 'geo:']; |
| 70 |
|
| 71 |
const isExcluded = excludes.some(prefix => |
| 72 |
link.href.startsWith(prefix) |
| 73 |
); |
| 74 |
|
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// Check if the link has already been prefetched |
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if (!prefetchedLinks.has(link.href) && !isExcluded) { |
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berq_prerender(link.href); |
| 78 |
|
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// Add the link to the set of prefetched links |
| 80 |
prefetchedLinks.add(link.href); |
| 81 |
} |
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}); |
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}); |
| 84 |
|
| 85 |
</script>"; |
| 86 |
} |
| 87 |
|
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return $script; |
| 89 |
} |
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|
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function video_lazy_load_js($script) { |
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|
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if ($this->settings['lazy_load_videos']) { |
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|
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$script .= " |
| 96 |
<script async> |
| 97 |
(function(){ |
| 98 |
// window.addEventListener('load', function() { |
| 99 |
window.addEventListener('DOMContentLoaded', function() { |
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// Function to load video and its sources |
| 101 |
function loadLazyVideo(video) { |
| 102 |
// Set video src from data attribute if exists |
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const videoSrc = video.getAttribute('data-berqwpsrc'); |
| 104 |
if (videoSrc) { |
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video.setAttribute('src', videoSrc); |
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} |
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|
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// Find all <source> tags inside the video and apply their data-berqwpsrc as src |
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const sources = video.querySelectorAll('source'); |
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sources.forEach(source => { |
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const sourceSrc = source.getAttribute('data-berqwpsrc'); |
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if (sourceSrc) { |
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source.setAttribute('src', sourceSrc); |
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} |
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}); |
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|
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// Load the video once the sources have been set |
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video.load(); |
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} |
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|
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// Use IntersectionObserver to detect when the video is about to enter the viewport |
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let lazyVideos = [].slice.call(document.querySelectorAll('video.berqwp-lazy-video')); |
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|
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if ('IntersectionObserver' in window) { |
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let lazyVideoObserver = new IntersectionObserver(function(entries, observer) { |
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entries.forEach(function(entry) { |
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if (entry.isIntersecting) { |
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let video = entry.target; |
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loadLazyVideo(video); |
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// Unobserve the video once it's loaded |
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lazyVideoObserver.unobserve(video); |
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} |
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}); |
| 134 |
}); |
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|
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// Observe each lazy video |
| 137 |
lazyVideos.forEach(function(video) { |
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lazyVideoObserver.observe(video); |
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}); |
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} else { |
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// Fallback for browsers that don't support IntersectionObserver |
| 142 |
lazyVideos.forEach(function(video) { |
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loadLazyVideo(video); |
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}); |
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} |
| 146 |
}); |
| 147 |
|
| 148 |
})() |
| 149 |
</script> |
| 150 |
"; |
| 151 |
} |
| 152 |
|
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return $script; |
| 154 |
} |
| 155 |
|
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function iframe_lazy_load_js($script) { |
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|
| 158 |
if ($this->settings['youtube_lazyloading']) { |
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|
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$script .= " |
| 161 |
<script defer> |
| 162 |
// document.addEventListener('DOMContentLoaded', function () { |
| 163 |
|
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(function(){ |
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|
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var options = { |
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root: null, // null means the viewport |
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rootMargin: '0px', // adjust as needed |
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threshold: 0.1 // adjust as needed |
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}; |
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|
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var bwp_iframe_observer = new IntersectionObserver(function (entries, observer) { |
| 173 |
entries.forEach(function (entry) { |
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if (entry.isIntersecting) { |
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let item = entry.target; |
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let iframe = item.getAttribute('data-embed'); |
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|
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let wrapper = document.createElement('div'); |
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wrapper.innerHTML = iframe; |
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let iframeElement = wrapper.firstChild; |
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|
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// Insert the iframe next to the item |
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item.insertAdjacentElement('afterend', iframeElement); |
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|
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// Remove the original item |
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item.remove(); |
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|
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bwp_iframe_observer.unobserve(item); |
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} |
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}); |
| 191 |
}, options); |
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|
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let yt_em = document.querySelectorAll('.berqwp-lazy-youtube'); |
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yt_em.forEach(function (item) { |
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bwp_iframe_observer.observe(item); |
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}); |
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|
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})() |
| 199 |
// }); |
| 200 |
</script> |
| 201 |
"; |
| 202 |
} |
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|
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return $script; |
| 205 |
} |
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|
| 207 |
static function url_to_path($url) |
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{ |
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|
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if (strpos($url, '?') !== false) { |
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$url = explode('?', $url)[0]; |
| 212 |
} |
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|
| 214 |
if (strpos($url, '#') !== false) { |
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$url = explode('#', $url)[0]; |
| 216 |
} |
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|
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// Handle relative URLs |
| 219 |
if (strpos($url, '//') === 0) { |
| 220 |
return realpath(ABSPATH . ltrim($url, '/')); |
| 221 |
} |
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|
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$content_url = content_url(); |
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$content_dir = WP_CONTENT_DIR; |
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|
| 226 |
if (strpos($url, $content_url) === 0) { |
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// var_dump(realpath( |
| 228 |
// str_replace($content_url, $content_dir, $url) |
| 229 |
// )); |
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return str_replace($content_url, $content_dir, $url); |
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} |
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|
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// Fallback for site root files |
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$site_url = get_site_url('/'); |
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|
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if (strpos($url, $site_url) === 0) { |
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return realpath( |
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str_replace($site_url, ABSPATH, $url) |
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); |
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} |
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|
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return false; |
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} |
| 244 |
|
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function img_lazy_load_js($script) { |
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|
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if ($this->settings['img_lazyloading']) { |
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|
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$script .= " |
| 250 |
<script async> |
| 251 |
(function(){ |
| 252 |
|
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document.addEventListener('DOMContentLoaded', function () { |
| 254 |
var berq_img_lazy_options = { |
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root: null, // null means the viewport |
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rootMargin: '200px', |
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threshold: 0 |
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}; |
| 259 |
|
| 260 |
var img_observer = new IntersectionObserver(function (entries, observer) { |
| 261 |
entries.forEach(function (entry) { |
| 262 |
if (entry.isIntersecting) { |
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let img = entry.target; |
| 264 |
let imgSrc = img.getAttribute('data-berqwpsrc'); |
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let imgSrcset = img.getAttribute('data-berqwp-srcset'); |
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|
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// Set the actual image source from data-berqwpsrc |
| 268 |
if (imgSrc !== null) { |
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img.src = imgSrc; |
| 270 |
} |
| 271 |
|
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if (imgSrcset !== null) { |
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img.srcset = imgSrcset; |
| 274 |
} |
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|
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if (img.getAttribute('data-srcset') !== null) { |
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img.srcset = img.getAttribute('data-srcset'); |
| 278 |
} |
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|
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// You might want to remove the data-src attribute after loading |
| 281 |
img.removeAttribute('data-berqwpsrc'); |
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img.removeAttribute('data-berqwp-srcset'); |
| 283 |
|
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img_observer.unobserve(img); |
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} |
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}); |
| 287 |
}, berq_img_lazy_options); |
| 288 |
|
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function berqwp_lazyload_images() { |
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let lazyImages = document.querySelectorAll('img[data-berqwpsrc]'); |
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lazy_img_int = 1000; |
| 292 |
|
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lazyImages.forEach(function (img) { |
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img_observer.observe(img); |
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}); |
| 296 |
} |
| 297 |
|
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function berqwp_lazyload_source() { |
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let lazyImages = document.querySelectorAll('source[data-berqwp-srcset]'); |
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lazy_img_int = 1000; |
| 301 |
|
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lazyImages.forEach(function (img) { |
| 303 |
img_observer.observe(img); |
| 304 |
}); |
| 305 |
} |
| 306 |
|
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berqwp_lazyload_images(); |
| 308 |
setInterval(berqwp_lazyload_images, 1000); |
| 309 |
setInterval(berqwp_lazyload_source, 1000); |
| 310 |
|
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}); |
| 312 |
|
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})() |
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</script> |
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"; |
| 316 |
} |
| 317 |
|
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return $script; |
| 319 |
} |
| 320 |
|
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function dynamic_css_loading_script($script) { |
| 322 |
|
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if ($this->settings['css_optimization'] == 'asynchronous' || $this->settings['css_optimization'] == 'delay') { |
| 324 |
|
| 325 |
$script .= " |
| 326 |
<script defer> |
| 327 |
function berqwp_init_css() { |
| 328 |
// Get all link tags containing data-berqwp-style-href |
| 329 |
let berqwp_linkTags = document.querySelectorAll('link[data-berqwp-style-href]'); |
| 330 |
|
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// Iterate through each link tag |
| 332 |
berqwp_linkTags.forEach(function (linkTag, index) { |
| 333 |
// Set the href attribute of each link tag |
| 334 |
linkTag.setAttribute('href', linkTag.getAttribute('data-berqwp-style-href')); |
| 335 |
|
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}); |
| 337 |
|
| 338 |
document |
| 339 |
.querySelectorAll('style[type=\"text/berqwp-style\"]') |
| 340 |
.forEach(style => { |
| 341 |
style.type = 'text/css'; |
| 342 |
}); |
| 343 |
|
| 344 |
|
| 345 |
} |
| 346 |
</script> |
| 347 |
"; |
| 348 |
|
| 349 |
if ($this->settings['css_optimization'] == 'asynchronous') { |
| 350 |
$script .= " |
| 351 |
<script defer> |
| 352 |
requestIdleCallback(() => { |
| 353 |
berqwp_init_css(); |
| 354 |
}); |
| 355 |
</script> |
| 356 |
"; |
| 357 |
} |
| 358 |
|
| 359 |
if ($this->settings['css_optimization'] == 'delay') { |
| 360 |
$script .= " |
| 361 |
<script defer> |
| 362 |
(function() { |
| 363 |
|
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function berqwp_css_handleUserInteraction(event) { |
| 365 |
|
| 366 |
|
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berqwp_init_css(); |
| 368 |
|
| 369 |
|
| 370 |
// After running the function, remove all event listeners to ensure it runs only once |
| 371 |
for (let eventType of berqwp_js_interactionEventTypes) { |
| 372 |
window.removeEventListener(eventType, berqwp_css_handleUserInteraction); |
| 373 |
} |
| 374 |
} |
| 375 |
|
| 376 |
let berqwp_js_interactionEventTypes = ['click', 'mousemove', 'keydown', 'touchstart', 'scroll', 'berqwpLoadJS', 'berqwp_interaction_event']; |
| 377 |
|
| 378 |
for (let eventType of berqwp_js_interactionEventTypes) { |
| 379 |
window.addEventListener(eventType, berqwp_css_handleUserInteraction, { passive: false }); |
| 380 |
} |
| 381 |
|
| 382 |
})() |
| 383 |
</script> |
| 384 |
"; |
| 385 |
} |
| 386 |
} |
| 387 |
|
| 388 |
return $script; |
| 389 |
} |
| 390 |
|
| 391 |
function dynamic_js_loading_script($script) { |
| 392 |
|
| 393 |
if ($this->settings['js_optimization'] == 'asynchronous' || $this->settings['js_optimization'] == 'delay') { |
| 394 |
|
| 395 |
$script .= " |
| 396 |
<script id='berqwp-preloader' defer> |
| 397 |
class berqwpPreloader { |
| 398 |
jobId = 0; |
| 399 |
pending = new Map(); |
| 400 |
|
| 401 |
_preloadAssets(assets, asType) { |
| 402 |
const seen = new Set(); |
| 403 |
const unique = assets.filter(({ url }) => { |
| 404 |
if (seen.has(url)) return false; |
| 405 |
seen.add(url); |
| 406 |
return true; |
| 407 |
}); |
| 408 |
|
| 409 |
const id = ++this.jobId; |
| 410 |
|
| 411 |
return new Promise((resolve) => { |
| 412 |
if (unique.length === 0) { |
| 413 |
console.log('[berqwp] empty — resolving immediately'); // Is it bailing here? |
| 414 |
resolve({ status: 'done', failed: [] }); |
| 415 |
return; |
| 416 |
} |
| 417 |
|
| 418 |
this.pending.set(id, resolve); |
| 419 |
|
| 420 |
let completed = 0; |
| 421 |
const failed = []; |
| 422 |
|
| 423 |
const onSettle = () => { |
| 424 |
completed++; |
| 425 |
if (completed === unique.length) { |
| 426 |
this.pending.delete(id); |
| 427 |
resolve({ status: 'done', failed }); |
| 428 |
} |
| 429 |
}; |
| 430 |
|
| 431 |
unique.forEach(({ url, crossOrigin }) => { |
| 432 |
const alreadyPreloaded = document.querySelector(`link[rel=\"preload\"][as=\"\${asType}\"][href=\"\${url}\"]`); |
| 433 |
const alreadyScript = asType === 'script' && document.querySelector(`script[src=\"\${url}\"]:not([type=\"text/bwp-script\"])`); |
| 434 |
const alreadyStyle = asType === 'style' && document.querySelector(`link[rel=\"stylesheet\"][href=\"\${url}\"]`); |
| 435 |
|
| 436 |
if (alreadyPreloaded || alreadyScript || alreadyStyle) { |
| 437 |
return onSettle(); |
| 438 |
} |
| 439 |
|
| 440 |
const link = document.createElement('link'); |
| 441 |
link.rel = 'preload'; |
| 442 |
link.as = asType; |
| 443 |
link.href = url; |
| 444 |
|
| 445 |
if (crossOrigin) { |
| 446 |
link.crossOrigin = crossOrigin; |
| 447 |
} |
| 448 |
|
| 449 |
link.onload = () => { |
| 450 |
console.log('[berqwp] preloaded:', url); // Is onload firing? |
| 451 |
onSettle(); |
| 452 |
}; |
| 453 |
link.onerror = () => { |
| 454 |
console.warn('[berqwp] failed:', url); // Or is it erroring? |
| 455 |
failed.push(url); |
| 456 |
onSettle(); |
| 457 |
}; |
| 458 |
|
| 459 |
document.head.appendChild(link); |
| 460 |
}); |
| 461 |
}); |
| 462 |
} |
| 463 |
|
| 464 |
preload(assets) { |
| 465 |
const normalized = assets.map(a => |
| 466 |
typeof a === 'string' ? { url: a, crossOrigin: null } : a |
| 467 |
); |
| 468 |
return this._preloadAssets(normalized, 'script'); |
| 469 |
} |
| 470 |
|
| 471 |
preloadScripts() { |
| 472 |
const elements = [...document.querySelectorAll('script[type=\"text/bwp-script\"]')]; |
| 473 |
const assets = elements |
| 474 |
.filter(el => el.getAttribute('src')) |
| 475 |
.map(el => ({ |
| 476 |
url: el.getAttribute('src'), |
| 477 |
crossOrigin: el.getAttribute('crossorigin') || null |
| 478 |
})); |
| 479 |
|
| 480 |
return this._preloadAssets(assets, 'script'); |
| 481 |
} |
| 482 |
|
| 483 |
preloadStyles() { |
| 484 |
const elements = [...document.querySelectorAll('link[data-berqwp-style-href]')]; |
| 485 |
const assets = elements |
| 486 |
.filter(el => el.getAttribute('data-berqwp-style-href')) |
| 487 |
.map(el => ({ |
| 488 |
url: el.getAttribute('data-berqwp-style-href'), |
| 489 |
crossOrigin: el.getAttribute('crossorigin') || null |
| 490 |
})); |
| 491 |
|
| 492 |
return this._preloadAssets(assets, 'style'); |
| 493 |
} |
| 494 |
|
| 495 |
} |
| 496 |
|
| 497 |
(function() { |
| 498 |
window.bwpPreloader = new berqwpPreloader(); |
| 499 |
})() |
| 500 |
</script> |
| 501 |
<script defer> |
| 502 |
(function(){ |
| 503 |
// Select all inline script tags with type=\"text/bwp-script\" |
| 504 |
const inlineScripts = document.querySelectorAll('script[type=\"text/bwp-script\"]'); |
| 505 |
|
| 506 |
inlineScripts.forEach((script) => { |
| 507 |
// Get the content of the inline script |
| 508 |
const scriptContent = script.innerHTML; |
| 509 |
|
| 510 |
if (!scriptContent) { |
| 511 |
return; |
| 512 |
} |
| 513 |
|
| 514 |
if (script.getAttribute('data-type') == 'module') { |
| 515 |
return; |
| 516 |
} |
| 517 |
|
| 518 |
// Create a Blob from the script content |
| 519 |
const blob = new Blob([scriptContent], { type: 'application/javascript' }); |
| 520 |
|
| 521 |
// Create a URL for the Blob |
| 522 |
const scriptURL = URL.createObjectURL(blob); |
| 523 |
|
| 524 |
// Create a new external script tag |
| 525 |
const newScript = document.createElement('script'); |
| 526 |
newScript.src = scriptURL; |
| 527 |
newScript.type = 'text/bwp-script'; // Or 'text/bwp-script', but 'application/javascript' is more typical for JS |
| 528 |
newScript.setAttribute('data-type', script.getAttribute('data-type')); |
| 529 |
|
| 530 |
// Copy other attributes if necessary |
| 531 |
Array.from(script.attributes).forEach(function(attr) { |
| 532 |
if (attr.name !== 'type' && attr.name !== 'src') { |
| 533 |
newScript.setAttribute(attr.name, attr.value); |
| 534 |
} |
| 535 |
}); |
| 536 |
|
| 537 |
// Replace the original inline script with the new external script tag |
| 538 |
script.parentNode.replaceChild(newScript, script); |
| 539 |
}); |
| 540 |
|
| 541 |
})(); |
| 542 |
|
| 543 |
</script> |
| 544 |
<script data-mode='4' defer> |
| 545 |
var berq_click = null; |
| 546 |
function berqwpLoadJs() { |
| 547 |
|
| 548 |
(function () { |
| 549 |
'use strict'; |
| 550 |
const VERSION = '3.0'; |
| 551 |
let activated = false; |
| 552 |
const pendingScripts = new Map(); |
| 553 |
let completedCount = 0; |
| 554 |
|
| 555 |
// Custom Event System |
| 556 |
const createTrackerEvent = (name, detail = {}) => |
| 557 |
new CustomEvent(`bwp:\${name}`, { |
| 558 |
detail: { |
| 559 |
version: VERSION, |
| 560 |
timestamp: performance.now(), |
| 561 |
...detail |
| 562 |
} |
| 563 |
}); |
| 564 |
|
| 565 |
// Event Polyfills |
| 566 |
(function () { |
| 567 |
const originalAddEventListener = EventTarget.prototype.addEventListener; |
| 568 |
const readyState = document.readyState; |
| 569 |
const simulatedEvents = new WeakMap(); |
| 570 |
|
| 571 |
function createEvent(type) { |
| 572 |
const event = new Event(type, { bubbles: false, cancelable: false }); |
| 573 |
event.isSimulated = true; |
| 574 |
return event; |
| 575 |
} |
| 576 |
|
| 577 |
EventTarget.prototype.addEventListener = function (type, listener, options) { |
| 578 |
|
| 579 |
if (typeof listener === 'function') { |
| 580 |
if (type === 'DOMContentLoaded') { |
| 581 |
if (readyState !== 'loading') { |
| 582 |
setTimeout(() => listener.call(this, createEvent(type)), 0); |
| 583 |
return; |
| 584 |
} |
| 585 |
} else if ((this === window || this instanceof HTMLScriptElement) && type === 'load') { |
| 586 |
if (readyState === 'complete') { |
| 587 |
setTimeout(() => listener.call(this, createEvent(type)), 0); |
| 588 |
return; |
| 589 |
} |
| 590 |
} |
| 591 |
} |
| 592 |
|
| 593 |
|
| 594 |
originalAddEventListener.call(this, type, listener, options); |
| 595 |
}; |
| 596 |
|
| 597 |
['onDOMContentLoaded', 'onload'].forEach(prop => { |
| 598 |
const target = prop === 'onload' ? window : document; |
| 599 |
const descriptor = Object.getOwnPropertyDescriptor(target.constructor.prototype, prop.toLowerCase()) || {}; |
| 600 |
|
| 601 |
Object.defineProperty(target, prop, { |
| 602 |
set(fn) { |
| 603 |
if (typeof fn === 'function') { |
| 604 |
const eventType = prop.replace('on', '').toLowerCase(); |
| 605 |
if ((eventType === 'domcontentloaded' && readyState !== 'loading') || |
| 606 |
(eventType === 'load' && readyState === 'complete')) { |
| 607 |
setTimeout(() => fn.call(target, createEvent(eventType)), 0); |
| 608 |
} else { |
| 609 |
target.addEventListener(eventType, fn); |
| 610 |
} |
| 611 |
} |
| 612 |
return descriptor.set ? descriptor.set.call(this, fn) : undefined; |
| 613 |
}, |
| 614 |
get() { |
| 615 |
return descriptor.get ? descriptor.get.call(this) : undefined; |
| 616 |
}, |
| 617 |
configurable: true |
| 618 |
}); |
| 619 |
}); |
| 620 |
})(); |
| 621 |
|
| 622 |
// Activation System |
| 623 |
function activate() { |
| 624 |
if (activated) return; |
| 625 |
activated = true; |
| 626 |
document.dispatchEvent(createTrackerEvent('activation')); |
| 627 |
|
| 628 |
// Remove listeners |
| 629 |
['mousemove', 'click', 'scroll', 'keydown'].forEach(evt => { |
| 630 |
window.removeEventListener(evt, activate, true); |
| 631 |
}); |
| 632 |
|
| 633 |
processScripts(); |
| 634 |
setupObserver(); |
| 635 |
} |
| 636 |
|
| 637 |
function processScripts() { |
| 638 |
const scripts = Array.from(document.querySelectorAll('script[type=\"text/bwp-script\"]:not([data-earlyberqwp])')); |
| 639 |
scripts.forEach(convertScript); |
| 640 |
} |
| 641 |
|
| 642 |
function setupObserver() { |
| 643 |
new MutationObserver(mutations => { |
| 644 |
mutations.forEach(mutation => { |
| 645 |
mutation.addedNodes.forEach(node => { |
| 646 |
if (node.tagName === 'SCRIPT' && node.type === 'text/bwp-script') { |
| 647 |
convertScript(node); |
| 648 |
} |
| 649 |
}); |
| 650 |
}); |
| 651 |
}).observe(document, { childList: true, subtree: true }); |
| 652 |
} |
| 653 |
|
| 654 |
// Script Conversion |
| 655 |
function convertScript(original) { |
| 656 |
if (original.dataset.processed) return; |
| 657 |
original.dataset.processed = 'true'; |
| 658 |
|
| 659 |
const script = document.createElement('script'); |
| 660 |
const attrs = Array.from(original.attributes).filter(a => a.name !== 'type'); |
| 661 |
const id = `script-\${performance.now()}-\${Math.random().toString(36).slice(2)}`; |
| 662 |
|
| 663 |
script.type = original.getAttribute('data-type'); |
| 664 |
try { |
| 665 |
attrs.forEach(attr => script.setAttribute(attr.name, attr.value)); |
| 666 |
} catch (e) { |
| 667 |
} |
| 668 |
if (original.textContent) script.textContent = original.textContent; |
| 669 |
|
| 670 |
pendingScripts.set(id, { |
| 671 |
element: script, |
| 672 |
src: script.src, |
| 673 |
isExternal: !!script.src |
| 674 |
}); |
| 675 |
|
| 676 |
document.dispatchEvent(createTrackerEvent('script-loading', { |
| 677 |
scriptId: id, |
| 678 |
element: script |
| 679 |
})); |
| 680 |
|
| 681 |
script.addEventListener('load', () => handleCompletion(id, true)); |
| 682 |
script.addEventListener('error', () => handleCompletion(id, false)); |
| 683 |
|
| 684 |
if (original.textContent) { |
| 685 |
handleCompletion(id, true); |
| 686 |
} |
| 687 |
|
| 688 |
// script.async = false; |
| 689 |
original.replaceWith(script); |
| 690 |
} |
| 691 |
|
| 692 |
function handleCompletion(id, success) { |
| 693 |
const record = pendingScripts.get(id); |
| 694 |
if (!record) return; |
| 695 |
|
| 696 |
pendingScripts.delete(id); |
| 697 |
completedCount++; |
| 698 |
|
| 699 |
document.dispatchEvent(createTrackerEvent('script-complete', { |
| 700 |
scriptId: id, |
| 701 |
success, |
| 702 |
duration: performance.now() - record.element.startTime |
| 703 |
})); |
| 704 |
|
| 705 |
if (pendingScripts.size === 0) { |
| 706 |
document.dispatchEvent(createTrackerEvent('scripts-loaded', { |
| 707 |
total: completedCount, |
| 708 |
failed: completedCount - Array.from(pendingScripts.values()) |
| 709 |
.filter(r => r.success).length |
| 710 |
})); |
| 711 |
} |
| 712 |
} |
| 713 |
|
| 714 |
document.addEventListener('bwp:scripts-loaded', (e) => { |
| 715 |
console.log('scripts loaded.') |
| 716 |
window.dispatchEvent(new Event('berqwp_after_delay_js_loaded')); |
| 717 |
|
| 718 |
}); |
| 719 |
|
| 720 |
// Initialization |
| 721 |
activate(); |
| 722 |
|
| 723 |
window.addEventListener('berqwp_after_delay_js_loaded', function() { |
| 724 |
let event = new Event('DOMContentLoaded', { |
| 725 |
bubbles: true, |
| 726 |
cancelable: true |
| 727 |
}); |
| 728 |
document.dispatchEvent(event); |
| 729 |
document.dispatchEvent(new Event('readystatechange')); |
| 730 |
window.dispatchEvent(new Event('load')); |
| 731 |
|
| 732 |
|
| 733 |
// Create a new resize event |
| 734 |
var resizeEvent = new Event('resize'); |
| 735 |
|
| 736 |
// Dispatch the resize event |
| 737 |
window.dispatchEvent(resizeEvent); |
| 738 |
|
| 739 |
|
| 740 |
if (berq_click) { |
| 741 |
setTimeout(function() { |
| 742 |
console.log(berq_click); |
| 743 |
const clickEvent = new MouseEvent('click', { |
| 744 |
bubbles: true, |
| 745 |
cancelable: false, |
| 746 |
view: window |
| 747 |
}); |
| 748 |
berq_click.dispatchEvent(clickEvent); |
| 749 |
berq_click = null; |
| 750 |
}, 500) |
| 751 |
} |
| 752 |
|
| 753 |
}); |
| 754 |
})(); |
| 755 |
} |
| 756 |
</script> |
| 757 |
"; |
| 758 |
|
| 759 |
if ($this->settings['js_optimization'] == 'asynchronous') { |
| 760 |
$script .= " |
| 761 |
<script defer> |
| 762 |
requestIdleCallback(() => { |
| 763 |
berqwpLoadJs(); |
| 764 |
}); |
| 765 |
</script> |
| 766 |
"; |
| 767 |
} |
| 768 |
|
| 769 |
if ($this->settings['js_optimization'] == 'delay') { |
| 770 |
$script .= " |
| 771 |
<script defer> |
| 772 |
(function() { |
| 773 |
|
| 774 |
let berqwpScriptTags = document.querySelectorAll('script[type=\"text/bwp-script\"]'); |
| 775 |
let jsUrls = Array.from(berqwpScriptTags).map(scriptTag => scriptTag.getAttribute('src')).filter(url => url); |
| 776 |
|
| 777 |
function preloadJS(jsURLs) { |
| 778 |
return window.bwpPreloader.preloadScripts(); |
| 779 |
} |
| 780 |
|
| 781 |
let bwp_js_initialized = false; |
| 782 |
function bwp_js_init(jsUrls) { |
| 783 |
if (bwp_js_initialized) { |
| 784 |
return; |
| 785 |
} |
| 786 |
bwp_js_initialized = true; |
| 787 |
|
| 788 |
preloadJS(jsUrls) |
| 789 |
.then(() => { |
| 790 |
console.log('Preloading completed, invoking berqwpLoadJs...'); |
| 791 |
if (typeof berqwpLoadJs === 'function') { |
| 792 |
berqwpLoadJs(); |
| 793 |
} else { |
| 794 |
console.error('berqwpLoadJs is not defined or not a function.'); |
| 795 |
} |
| 796 |
}) |
| 797 |
.catch(error => { |
| 798 |
console.error('bwp_js_init failed during preloadJS:', error); |
| 799 |
}); |
| 800 |
} |
| 801 |
|
| 802 |
function berqwp_js_handleUserInteraction(event) { |
| 803 |
|
| 804 |
if (event.type === 'click' || event.type === 'touchstart') { |
| 805 |
berq_click = event.target; |
| 806 |
|
| 807 |
// Traverse up the DOM to find the closest <a> ancestor |
| 808 |
if (berq_click.closest('a')) { |
| 809 |
berq_click = berq_click.closest('a'); |
| 810 |
} |
| 811 |
|
| 812 |
// If click is done on a link |
| 813 |
if (berq_click.tagName === 'A' && berq_click.href && /^https?:\/\//.test(berq_click.href)) { |
| 814 |
console.log('Skipping JavaScript execution, a link was clicked.') |
| 815 |
return; |
| 816 |
} |
| 817 |
|
| 818 |
console.log(event.type) |
| 819 |
|
| 820 |
} |
| 821 |
|
| 822 |
bwp_js_init(jsUrls); |
| 823 |
|
| 824 |
|
| 825 |
// After running the function, remove all event listeners to ensure it runs only once |
| 826 |
for (let eventType of berqwp_js_interactionEventTypes) { |
| 827 |
window.removeEventListener(eventType, berqwp_js_handleUserInteraction); |
| 828 |
} |
| 829 |
} |
| 830 |
|
| 831 |
let berqwp_js_interactionEventTypes = ['click', 'mousemove', 'keydown', 'touchstart', 'scroll', 'berqwpLoadJS', 'berqwp_interaction_event']; |
| 832 |
|
| 833 |
for (let eventType of berqwp_js_interactionEventTypes) { |
| 834 |
window.addEventListener(eventType, berqwp_js_handleUserInteraction, { passive: false }); |
| 835 |
} |
| 836 |
|
| 837 |
})() |
| 838 |
</script> |
| 839 |
"; |
| 840 |
} |
| 841 |
} |
| 842 |
|
| 843 |
return $script; |
| 844 |
} |
| 845 |
|
| 846 |
function optimize_js($buffer) { |
| 847 |
$dom = HtmlDomParser::str_get_html($buffer); |
| 848 |
$js_excludes = $this->settings['exclude_js']; |
| 849 |
$js_excludes = array_map(function ($kw) { |
| 850 |
return sanitize_text_field(trim($kw)); |
| 851 |
}, $js_excludes); |
| 852 |
|
| 853 |
foreach ($dom->find('script') as $element) { |
| 854 |
$script_src = $element->src; |
| 855 |
$outerhtml = $element->outertext; |
| 856 |
|
| 857 |
if (strpos($outerhtml, 'document.write(') !== false) { |
| 858 |
continue; |
| 859 |
} |
| 860 |
|
| 861 |
if (strpos($outerhtml, '$zoho.salesiq = ') !== false) { |
| 862 |
continue; |
| 863 |
} |
| 864 |
|
| 865 |
if (strpos($outerhtml, 'CRLeadStar.init') !== false) { |
| 866 |
continue; |
| 867 |
} |
| 868 |
|
| 869 |
if (!empty($element->type) && $element->type !== 'text/javascript' && $element->type !== 'application/javascript' && $element->type !== 'module') { |
| 870 |
continue; |
| 871 |
} |
| 872 |
|
| 873 |
if ($element->hasAttribute('data-berqwp-exclude')) { |
| 874 |
continue; |
| 875 |
} |
| 876 |
|
| 877 |
// exclude script tags |
| 878 |
if (!empty($js_excludes)) { |
| 879 |
foreach ($js_excludes as $exclude_kw) { |
| 880 |
if (strpos($outerhtml, $exclude_kw) !== false) { |
| 881 |
|
| 882 |
if ($this->settings['defer_excluded_js'] && !$element->hasAttribute('async')) { |
| 883 |
$element->setAttribute('defer', 'defer'); |
| 884 |
} |
| 885 |
|
| 886 |
continue 2; |
| 887 |
} |
| 888 |
} |
| 889 |
} |
| 890 |
|
| 891 |
if ($this->settings['js_optimization'] == 'defer') { |
| 892 |
|
| 893 |
if (!$element->hasAttribute('async')) { |
| 894 |
$element->setAttribute('defer', 'defer'); |
| 895 |
} |
| 896 |
|
| 897 |
continue; |
| 898 |
} |
| 899 |
|
| 900 |
if (empty($element->type) || $element->type == 'text/javascript') { |
| 901 |
$element->setAttribute('data-type', 'text/javascript'); |
| 902 |
$element->type = 'text/bwp-script'; |
| 903 |
} else { |
| 904 |
$element->setAttribute('data-type', esc_attr($element->type)); |
| 905 |
$element->type = 'text/bwp-script'; |
| 906 |
} |
| 907 |
|
| 908 |
} |
| 909 |
|
| 910 |
return (string) $dom; |
| 911 |
} |
| 912 |
|
| 913 |
function lazy_load_videos($buffer) { |
| 914 |
$dom = HtmlDomParser::str_get_html($buffer); |
| 915 |
|
| 916 |
foreach ($dom->find('video') as $element) { |
| 917 |
$outerhtml = $element->outertext; |
| 918 |
$parent = $element->parent(); |
| 919 |
|
| 920 |
if (strpos($outerhtml, 'video-js') !== false) { |
| 921 |
continue; |
| 922 |
} |
| 923 |
|
| 924 |
if (strpos($outerhtml, 'mg_self-hosted-video') !== false) { |
| 925 |
continue; |
| 926 |
} |
| 927 |
|
| 928 |
if (!empty($element->src)) { |
| 929 |
$original_src = $element->src; |
| 930 |
// $video->attr['data-berqwpsrc'] = $original_src; |
| 931 |
$element->setAttribute('data-berqwpsrc', $original_src); |
| 932 |
$element->removeAttribute('src'); |
| 933 |
} |
| 934 |
|
| 935 |
// Handle each <source> element within the video tag |
| 936 |
foreach ($element->find('source') as $source) { |
| 937 |
if (!empty($source->src)) { |
| 938 |
$original_src = $source->src; |
| 939 |
// $source->attr['data-berqwpsrc'] = $original_src; |
| 940 |
$source->setAttribute('data-berqwpsrc', $original_src); |
| 941 |
$source->removeAttribute('src'); |
| 942 |
} |
| 943 |
unset($source); |
| 944 |
} |
| 945 |
|
| 946 |
$class = $element->getAttribute('class'); |
| 947 |
$class .= ' berqwp-lazy-video'; |
| 948 |
$element->setAttribute('class', $class); |
| 949 |
$element->setAttribute('preload', 'none'); |
| 950 |
// $element->attr[' preload'] = 'none'; |
| 951 |
} |
| 952 |
|
| 953 |
return (string) $dom; |
| 954 |
} |
| 955 |
|
| 956 |
function lazy_load_images($buffer) { |
| 957 |
$dom = HtmlDomParser::str_get_html($buffer); |
| 958 |
$image_excludes = $this->settings['exclude_img_lazy_load']; |
| 959 |
$image_excludes = array_map(function ($kw) { |
| 960 |
return sanitize_text_field(trim($kw)); |
| 961 |
}, $image_excludes); |
| 962 |
|
| 963 |
foreach ($dom->find('img') as $element) { |
| 964 |
|
| 965 |
if (!$element->hasAttribute('src') || empty($element->src)) { |
| 966 |
continue; |
| 967 |
} |
| 968 |
|
| 969 |
$img_src = $element->src; |
| 970 |
$outerhtml = $element->outertext; |
| 971 |
$img_path = self::url_to_path($img_src); |
| 972 |
|
| 973 |
// exclude lazy load |
| 974 |
if (!empty($image_excludes)) { |
| 975 |
foreach ($image_excludes as $exclude_kw) { |
| 976 |
if (strpos($outerhtml, $exclude_kw) !== false) { |
| 977 |
continue 2; |
| 978 |
} |
| 979 |
} |
| 980 |
} |
| 981 |
|
| 982 |
if (strpos($img_src, 'data:') === 0) { |
| 983 |
continue; |
| 984 |
} |
| 985 |
|
| 986 |
if (strpos($img_src, ';base64,') !== false) { |
| 987 |
continue; |
| 988 |
} |
| 989 |
|
| 990 |
if (strpos($outerhtml, 'rs-lazyload') !== false) { |
| 991 |
continue; |
| 992 |
} |
| 993 |
|
| 994 |
if (strpos($outerhtml, 'mfn-lazy') !== false) { |
| 995 |
continue; |
| 996 |
} |
| 997 |
|
| 998 |
if (strpos($outerhtml, 'data-dbsrc=') !== false) { |
| 999 |
continue; |
| 1000 |
} |
| 1001 |
|
| 1002 |
if (strpos($outerhtml, 'data-orig-src=') !== false) { |
| 1003 |
continue; |
| 1004 |
} |
| 1005 |
|
| 1006 |
if (strpos($outerhtml, 'facebook.com') !== false) { |
| 1007 |
continue; |
| 1008 |
} |
| 1009 |
|
| 1010 |
if (strpos($img_src, '${') !== false) { |
| 1011 |
continue; |
| 1012 |
} |
| 1013 |
|
| 1014 |
// Skip smush lazy loading |
| 1015 |
if (strpos($img_src, '--smush-placeholder-width') !== false) { |
| 1016 |
continue; |
| 1017 |
} |
| 1018 |
|
| 1019 |
// wpbackery background image |
| 1020 |
if (strpos($img_src, 'class="background-image"') !== false) { |
| 1021 |
continue; |
| 1022 |
} |
| 1023 |
|
| 1024 |
// lscache lazy load |
| 1025 |
if (strpos($img_src, 'class="lazyload"') !== false) { |
| 1026 |
continue; |
| 1027 |
} |
| 1028 |
|
| 1029 |
// salient lazy load |
| 1030 |
if (strpos($img_src, 'data-nectar-img-src') !== false) { |
| 1031 |
continue; |
| 1032 |
} |
| 1033 |
|
| 1034 |
$width = $element->width; |
| 1035 |
$height = $element->height; |
| 1036 |
|
| 1037 |
if (!empty($img_path) && file_exists($img_path) && !$element->hasAttribute('width') && !$element->hasAttribute('height')) { |
| 1038 |
list($width, $height) = getimagesize($img_path); |
| 1039 |
} |
| 1040 |
|
| 1041 |
$element->removeAttribute('src'); |
| 1042 |
$element->setAttribute('data-berqwpsrc', $img_src); |
| 1043 |
|
| 1044 |
if ($element->hasAttribute('srcset')) { |
| 1045 |
$srcset = $element->srcset; |
| 1046 |
$element->removeAttribute('srcset'); |
| 1047 |
$element->setAttribute('data-berqwp-srcset', $srcset); |
| 1048 |
} |
| 1049 |
|
| 1050 |
if (!empty($width) && !empty($height)) { |
| 1051 |
$svg = '<svg width="' . $width . '" height="' . $height . '" xmlns="http://www.w3.org/2000/svg" version="1.1">'; |
| 1052 |
$svg .= '<rect width="100%" height="100%" fill="none" />'; |
| 1053 |
$svg .= '</svg>'; |
| 1054 |
|
| 1055 |
$base64Svg = base64_encode($svg); |
| 1056 |
|
| 1057 |
// Create data URI |
| 1058 |
$ph_webp_url = 'data:image/svg+xml;base64,' . $base64Svg; |
| 1059 |
} else { |
| 1060 |
$ph_webp_url = 'data:image/gif;placeholder=MjQxOjM1NQ==-1;base64,R0lGODlhAQABAIABAAAAAP///yH5BAEAAAEALAAAAAABAAEAAAICTAEAOw=='; |
| 1061 |
} |
| 1062 |
|
| 1063 |
$element->setAttribute('src', $ph_webp_url); |
| 1064 |
$element->setAttribute('decoding', 'async'); |
| 1065 |
|
| 1066 |
} |
| 1067 |
|
| 1068 |
return (string) $dom; |
| 1069 |
} |
| 1070 |
|
| 1071 |
private function extract_template_scripts( $buffer ) { |
| 1072 |
$placeholders = []; |
| 1073 |
|
| 1074 |
$pattern = '/<script(?=[^>]*\btype=["\'](?:text\/template|text\/x-template|text\/x-handlebars-template|text\/x-handlebars|text\/ng-template)["\'])[^>]*>.*?<\/script>/is'; |
| 1075 |
|
| 1076 |
$result = preg_match_all( $pattern, $buffer, $matches ); |
| 1077 |
|
| 1078 |
if ( $result === false || $result === 0 ) { |
| 1079 |
return [ $buffer, $placeholders ]; |
| 1080 |
} |
| 1081 |
|
| 1082 |
foreach ( $matches[0] as $index => $script_block ) { |
| 1083 |
$placeholder = '<!--BERQWP_TEMPLATE_' . $index . '-->'; |
| 1084 |
$placeholders[ $placeholder ] = $script_block; |
| 1085 |
$buffer = str_replace( $script_block, $placeholder, $buffer ); |
| 1086 |
} |
| 1087 |
|
| 1088 |
return [ $buffer, $placeholders ]; |
| 1089 |
} |
| 1090 |
|
| 1091 |
private function restore_template_scripts( $buffer, $placeholders ) { |
| 1092 |
if ( empty( $placeholders ) ) { |
| 1093 |
return $buffer; |
| 1094 |
} |
| 1095 |
|
| 1096 |
foreach ( $placeholders as $placeholder => $original_block ) { |
| 1097 |
$buffer = str_replace( $placeholder, $original_block, $buffer ); |
| 1098 |
} |
| 1099 |
|
| 1100 |
return $buffer; |
| 1101 |
} |
| 1102 |
|
| 1103 |
function lazy_load_iframes($buffer) { |
| 1104 |
$dom = HtmlDomParser::str_get_html($buffer); |
| 1105 |
|
| 1106 |
foreach ($dom->find('iframe') as $element) { |
| 1107 |
$outerhtml = $element->outertext; |
| 1108 |
$outerhtml = apply_filters('photon_before_iframe_optimization', $outerhtml); |
| 1109 |
$isyoutube = false; |
| 1110 |
|
| 1111 |
if ($this->settings['preload_yt_poster']) { |
| 1112 |
|
| 1113 |
if (preg_match('/youtube\.com\/embed\/([a-zA-Z0-9_-]+)/', $element->src, $matches)) { |
| 1114 |
$videoId = $matches[1]; |
| 1115 |
$isyoutube = true; |
| 1116 |
|
| 1117 |
// Generate the thumbnail URL |
| 1118 |
$thumbnailUrl = "https://img.youtube.com/vi/{$videoId}/hqdefault.jpg"; |
| 1119 |
$highresthumbnailUrl = "https://img.youtube.com/vi/{$videoId}/maxresdefault.jpg"; |
| 1120 |
|
| 1121 |
|
| 1122 |
if (strpos($element->src, 'autoplay=1') !== false && strpos($element->src, 'mute=') === false) { |
| 1123 |
$element->setAttribute('src', $element->src . "&mute=1"); |
| 1124 |
} |
| 1125 |
|
| 1126 |
// Generate lazy-load HTML content for srcdoc |
| 1127 |
$srcdocContent = <<<HTML |
| 1128 |
<style> |
| 1129 |
*{padding:0;margin:0;overflow:hidden} |
| 1130 |
.play-button { |
| 1131 |
width: 70px; |
| 1132 |
position: absolute; |
| 1133 |
top: 50%; |
| 1134 |
left: 50%; |
| 1135 |
transform: translate(-50%, -50%); |
| 1136 |
cursor: pointer; |
| 1137 |
} |
| 1138 |
</style> |
| 1139 |
<a href='{$element->src}' style='position: absolute; width: 100%; height: 100%; background: url({$thumbnailUrl}) no-repeat center center; background-size: cover;'> |
| 1140 |
<picture> |
| 1141 |
<source srcset='{$highresthumbnailUrl}' media='(min-width: 999px)'> |
| 1142 |
<img src='{$thumbnailUrl}' style='position: absolute; width: 100%; height: 100%;object-fit: cover;'> |
| 1143 |
</picture> |
| 1144 |
<div class='play-button'> |
| 1145 |
<svg height='100%' version='1.1' viewBox='0 0 68 48' width='100%'>><path class='ytp-large-play-button-bg' d='M66.52,7.74c-0.78-2.93-2.49-5.41-5.42-6.19C55.79,.13,34,0,34,0S12.21,.13,6.9,1.55 C3.97,2.33,2.27,4.81,1.48,7.74C0.06,13.05,0,24,0,24s0.06,10.95,1.48,16.26c0.78,2.93,2.49,5.41,5.42,6.19 C12.21,47.87,34,48,34,48s21.79-0.13,27.1-1.55c2.93-0.78,4.64-3.26,5.42-6.19C67.94,34.95,68,24,68,24S67.94,13.05,66.52,7.74z' fill='#f00'></path><path d='M 45,24 27,14 27,34' fill='#fff'></path></svg> |
| 1146 |
</div> |
| 1147 |
</a> |
| 1148 |
HTML; |
| 1149 |
|
| 1150 |
// Update the iframe attributes |
| 1151 |
$element->setAttribute('srcdoc', $srcdocContent); |
| 1152 |
|
| 1153 |
$element->setAttribute('src', $element->src); // Remove immediate src loading |
| 1154 |
} |
| 1155 |
|
| 1156 |
if ($isyoutube && $element->hasAttribute('data-berqWPexclude')) { |
| 1157 |
continue; |
| 1158 |
} |
| 1159 |
|
| 1160 |
} |
| 1161 |
|
| 1162 |
if (strpos($outerhtml, 'youtube.com') !== false && !$element->hasAttribute('referrerpolicy')) { |
| 1163 |
$element->setAttribute('referrerpolicy', 'strict-origin-when-cross-origin'); |
| 1164 |
} |
| 1165 |
|
| 1166 |
if ($element->hasAttribute('data-berqWPexclude')) { |
| 1167 |
continue; |
| 1168 |
} |
| 1169 |
|
| 1170 |
$class = $element->getAttribute('class'); |
| 1171 |
|
| 1172 |
if (!empty($class)) { |
| 1173 |
$classes = explode(' ', $class ?? ''); |
| 1174 |
$classes = array_filter($classes, fn($c) => $c !== 'lazyload'); |
| 1175 |
$class = trim(implode(' ', $classes)); |
| 1176 |
$element->setAttribute('class', $class); |
| 1177 |
} |
| 1178 |
|
| 1179 |
if ($element->hasAttribute('data-src')) { |
| 1180 |
$element->setAttribute('rm-src', $element->src); |
| 1181 |
$element->removeAttribute('src'); |
| 1182 |
} |
| 1183 |
|
| 1184 |
$outerhtml = esc_attr($element->outertext); |
| 1185 |
|
| 1186 |
$element->outertext = '<div class="berqwp-lazy-youtube" data-embed="' . $outerhtml . '"></div>'; |
| 1187 |
|
| 1188 |
} |
| 1189 |
|
| 1190 |
return (string) $dom; |
| 1191 |
} |
| 1192 |
|
| 1193 |
function store_cache($buffer) { |
| 1194 |
// Define the cache directory |
| 1195 |
$cache_directory = bwp_get_cache_dir(); |
| 1196 |
$url = $this->page_url; |
| 1197 |
|
| 1198 |
// Create the cache directory if it doesn't exist |
| 1199 |
if (!file_exists($cache_directory)) { |
| 1200 |
mkdir($cache_directory, 0755, true); |
| 1201 |
} |
| 1202 |
|
| 1203 |
$cache = new Cache(null, bwp_get_cache_dir()); |
| 1204 |
$cache->store_cache($url, $buffer); |
| 1205 |
|
| 1206 |
|
| 1207 |
do_action('berqwp_stored_page_cache', $this->page_slug); |
| 1208 |
|
| 1209 |
global $berq_log; |
| 1210 |
$berq_log->info("Stored cache for $url from PageOptimizer class"); |
| 1211 |
} |
| 1212 |
|
| 1213 |
function preload_images($buffer) { |
| 1214 |
$dom = HtmlDomParser::str_get_html($buffer); |
| 1215 |
$count = 0; |
| 1216 |
$candidates = []; |
| 1217 |
|
| 1218 |
foreach ($dom->find('img') as $element) { |
| 1219 |
|
| 1220 |
if ($count >= 9) { |
| 1221 |
break; |
| 1222 |
} |
| 1223 |
|
| 1224 |
if (!$element->hasAttribute('src') || empty($element->src)) { |
| 1225 |
continue; |
| 1226 |
} |
| 1227 |
|
| 1228 |
$img_src = $element->src; |
| 1229 |
$outerhtml = $element->outertext; |
| 1230 |
$img_path = self::url_to_path($img_src); |
| 1231 |
|
| 1232 |
// exclude lazy load |
| 1233 |
// if (!empty($image_excludes)) { |
| 1234 |
// foreach ($image_excludes as $exclude_kw) { |
| 1235 |
// if (strpos($outerhtml, $exclude_kw) !== false) { |
| 1236 |
// continue 2; |
| 1237 |
// } |
| 1238 |
// } |
| 1239 |
// } |
| 1240 |
|
| 1241 |
if (strpos($img_src, 'data:') === 0) { |
| 1242 |
continue; |
| 1243 |
} |
| 1244 |
|
| 1245 |
if (strpos($img_src, ';base64,') !== false) { |
| 1246 |
continue; |
| 1247 |
} |
| 1248 |
|
| 1249 |
if (strpos($outerhtml, 'rs-lazyload') !== false) { |
| 1250 |
continue; |
| 1251 |
} |
| 1252 |
|
| 1253 |
if (strpos($outerhtml, 'mfn-lazy') !== false) { |
| 1254 |
continue; |
| 1255 |
} |
| 1256 |
|
| 1257 |
if (strpos($outerhtml, 'data-dbsrc=') !== false) { |
| 1258 |
continue; |
| 1259 |
} |
| 1260 |
|
| 1261 |
if (strpos($outerhtml, 'data-orig-src=') !== false) { |
| 1262 |
continue; |
| 1263 |
} |
| 1264 |
|
| 1265 |
if (strpos($outerhtml, 'facebook.com') !== false) { |
| 1266 |
continue; |
| 1267 |
} |
| 1268 |
|
| 1269 |
$width = $element->width; |
| 1270 |
$height = $element->height; |
| 1271 |
|
| 1272 |
if (!empty($img_path) && file_exists($img_path) && !$element->hasAttribute('width') && !$element->hasAttribute('height')) { |
| 1273 |
list($width, $height) = getimagesize($img_path); |
| 1274 |
} |
| 1275 |
|
| 1276 |
$candidate = [ |
| 1277 |
'width' => $width, |
| 1278 |
'height' => $height, |
| 1279 |
'area' => (int) $width * (int) $height, |
| 1280 |
'src' => $img_src, |
| 1281 |
]; |
| 1282 |
|
| 1283 |
if ($element->hasAttribute('loading')) { |
| 1284 |
$candidate['loading'] = $element->loading; |
| 1285 |
} |
| 1286 |
|
| 1287 |
if ($element->hasAttribute('srcset')) { |
| 1288 |
$candidate['srcset'] = $element->srcset; |
| 1289 |
} |
| 1290 |
|
| 1291 |
if ($element->hasAttribute('sizes')) { |
| 1292 |
$candidate['sizes'] = $element->sizes; |
| 1293 |
} |
| 1294 |
|
| 1295 |
$candidates[] = $candidate; |
| 1296 |
$count++; |
| 1297 |
|
| 1298 |
|
| 1299 |
} |
| 1300 |
|
| 1301 |
$buffer = (string) $dom; |
| 1302 |
|
| 1303 |
if (!empty($candidates)) { |
| 1304 |
|
| 1305 |
$processed = []; |
| 1306 |
|
| 1307 |
// unique src |
| 1308 |
$candidates = array_filter($candidates, function ($item) use (&$processed) { |
| 1309 |
if (in_array($item['src'], $processed)) { |
| 1310 |
return false; |
| 1311 |
} |
| 1312 |
|
| 1313 |
$processed[] = $item['src']; |
| 1314 |
|
| 1315 |
return true; |
| 1316 |
}); |
| 1317 |
|
| 1318 |
usort($candidates, function ($a, $b) { |
| 1319 |
return $b['area'] <=> $a['area']; // DESC |
| 1320 |
}); |
| 1321 |
|
| 1322 |
$candidates = array_slice($candidates, 0, 2); |
| 1323 |
$prelaod_html = ''; |
| 1324 |
|
| 1325 |
foreach ($candidates as $preload_img) { |
| 1326 |
$prelaod_html .= '<link rel="preload" as="image" '; |
| 1327 |
$prelaod_html .= ' fetchpriority="high" '; |
| 1328 |
$prelaod_html .= 'href="'.$preload_img['src'].'" '; |
| 1329 |
|
| 1330 |
if (!empty($preload_img['srcset'])) { |
| 1331 |
$prelaod_html .= 'imagesrcset="'.$preload_img['srcset'].'" '; |
| 1332 |
} |
| 1333 |
|
| 1334 |
if (!empty($preload_img['sizes'])) { |
| 1335 |
$prelaod_html .= 'imagesizes="'.$preload_img['sizes'].'" '; |
| 1336 |
} |
| 1337 |
|
| 1338 |
$prelaod_html .= '>'.PHP_EOL; |
| 1339 |
} |
| 1340 |
|
| 1341 |
$buffer = berqwp_prependHtmlToHead($buffer, $prelaod_html); |
| 1342 |
|
| 1343 |
} |
| 1344 |
|
| 1345 |
|
| 1346 |
|
| 1347 |
return $buffer; |
| 1348 |
} |
| 1349 |
|
| 1350 |
function preload_stylesheet($buffer) { |
| 1351 |
$dom = HtmlDomParser::str_get_html($buffer); |
| 1352 |
|
| 1353 |
foreach ($dom->find('link') as $element) { |
| 1354 |
|
| 1355 |
if ($element->rel == 'stylesheet'){ |
| 1356 |
$element->setAttribute('rel', 'preload'); |
| 1357 |
$element->setAttribute('as', 'style'); |
| 1358 |
$element->removeAttribute('media'); |
| 1359 |
// $element->setAttribute('media', 'print'); |
| 1360 |
// $element->setAttribute('onload', "this.media='all'"); |
| 1361 |
$element->setAttribute('onload', "this.rel='stylesheet'"); |
| 1362 |
} |
| 1363 |
|
| 1364 |
} |
| 1365 |
|
| 1366 |
return (string) $dom; |
| 1367 |
|
| 1368 |
} |
| 1369 |
|
| 1370 |
function delay_styles($buffer) { |
| 1371 |
|
| 1372 |
if ( !empty($this->settings['css_optimization']) && $this->settings['css_optimization'] !== 'delay' && $this->settings['css_optimization'] !== 'asynchronous' ) { |
| 1373 |
return $buffer; |
| 1374 |
} |
| 1375 |
|
| 1376 |
$dom = HtmlDomParser::str_get_html($buffer); |
| 1377 |
|
| 1378 |
$style_excludes = array_map(function ($kw) { |
| 1379 |
return sanitize_text_field(trim($kw)); |
| 1380 |
}, $this->settings['exclude_css']); |
| 1381 |
|
| 1382 |
foreach ($dom->find('link') as $element) { |
| 1383 |
|
| 1384 |
$outerhtml = $element->outertext; |
| 1385 |
|
| 1386 |
if ($element->rel == 'stylesheet' || $element->as == 'style'){ |
| 1387 |
|
| 1388 |
if (!$element->hasAttribute('href')) { |
| 1389 |
continue; |
| 1390 |
} |
| 1391 |
|
| 1392 |
if ($element->hasAttribute('data-berqwp-exclude')) { |
| 1393 |
continue; |
| 1394 |
} |
| 1395 |
|
| 1396 |
// exclude style |
| 1397 |
if (!empty($style_excludes)) { |
| 1398 |
foreach ($style_excludes as $exclude_kw) { |
| 1399 |
if (!empty($exclude_kw) && strpos($outerhtml, $exclude_kw) !== false) { |
| 1400 |
continue; |
| 1401 |
} |
| 1402 |
} |
| 1403 |
} |
| 1404 |
|
| 1405 |
$element->setAttribute('rel', 'stylesheet'); |
| 1406 |
$element->setAttribute('as', 'style'); |
| 1407 |
$element->setAttribute('data-berqwp-style-href', $element->href); |
| 1408 |
$element->removeAttribute('href'); |
| 1409 |
|
| 1410 |
} |
| 1411 |
|
| 1412 |
} |
| 1413 |
|
| 1414 |
foreach ($dom->find('style') as $element) { |
| 1415 |
|
| 1416 |
$outerhtml = $element->outertext; |
| 1417 |
|
| 1418 |
if ($element->hasAttribute('data-berqwp-exclude')) { |
| 1419 |
continue; |
| 1420 |
} |
| 1421 |
|
| 1422 |
// exclude style |
| 1423 |
if (!empty($style_excludes)) { |
| 1424 |
foreach ($style_excludes as $exclude_kw) { |
| 1425 |
if (!empty($exclude_kw) && strpos($outerhtml, $exclude_kw) !== false) { |
| 1426 |
continue; |
| 1427 |
} |
| 1428 |
} |
| 1429 |
} |
| 1430 |
|
| 1431 |
$element->setAttribute('type', 'text/berqwp-style'); |
| 1432 |
} |
| 1433 |
|
| 1434 |
return (string) $dom; |
| 1435 |
|
| 1436 |
} |
| 1437 |
|
| 1438 |
function buffer_end($buffer) { |
| 1439 |
|
| 1440 |
// $buffer = file_get_contents('/Users/hamzamairaj/Local Sites/plugin-berqwp/app/public/wp-content/plugins/searchpro/inc/photon/page.html'); |
| 1441 |
|
| 1442 |
if (empty($buffer)) { |
| 1443 |
return $buffer; |
| 1444 |
} |
| 1445 |
|
| 1446 |
$buffer = $buffer.'<!-- Optimized with BerqWP\'s instant cache. --->'; |
| 1447 |
|
| 1448 |
$script = " |
| 1449 |
<script defer> |
| 1450 |
var comment = document.createComment(' This website is optimized using the BerqWP plugin. @".time()." '); |
| 1451 |
document.documentElement.insertBefore(comment, document.documentElement.firstChild); |
| 1452 |
|
| 1453 |
function isMobileDevice() { |
| 1454 |
return /Mobi|Android|iPhone|iPad|iPod|Opera Mini|IEMobile|WPDesktop/i.test(navigator.userAgent); |
| 1455 |
} |
| 1456 |
|
| 1457 |
function astraHeaderClass() { |
| 1458 |
if (isMobileDevice() && window.screen.width <= 999) { |
| 1459 |
if ((document.body.classList.contains('theme-astra') || document.body.classList.contains('ast-page-builder-template')) && !document.body.classList.contains('ast-header-break-point')) { |
| 1460 |
document.body.classList.add('ast-header-break-point'); |
| 1461 |
} |
| 1462 |
} |
| 1463 |
} |
| 1464 |
|
| 1465 |
function divimobilemenu() { |
| 1466 |
const divimenuele = document.querySelector('#et_mobile_nav_menu .mobile_menu_bar.mobile_menu_bar_toggle'); |
| 1467 |
|
| 1468 |
if (isMobileDevice() && divimenuele) { |
| 1469 |
divimenuele.innerHTML = '<div class=\"dipi_hamburger hamburger hamburger--spring\"> <div class=\"hamburger-box\"> <div class=\"hamburger-inner\"></div> </div> </div>'; |
| 1470 |
} |
| 1471 |
} |
| 1472 |
|
| 1473 |
divimobilemenu(); |
| 1474 |
astraHeaderClass(); |
| 1475 |
window.addEventListener('resize', function() { |
| 1476 |
astraHeaderClass(); |
| 1477 |
}); |
| 1478 |
|
| 1479 |
window.dispatchEvent(new Event('berqwp_js_initialized')); |
| 1480 |
</script> |
| 1481 |
|
| 1482 |
"; |
| 1483 |
|
| 1484 |
[ $buffer, $template_placeholders ] = $this->extract_template_scripts( $buffer ); |
| 1485 |
|
| 1486 |
$buffer = $this->preload_images($buffer); |
| 1487 |
// $buffer = $this->preload_stylesheet($buffer); |
| 1488 |
|
| 1489 |
if ($this->settings['img_lazyloading']) { |
| 1490 |
$buffer = $this->lazy_load_images($buffer); |
| 1491 |
} |
| 1492 |
|
| 1493 |
if ($this->settings['js_optimization'] == 'auto') { |
| 1494 |
if ($this->settings['opt_mode'] == 'basic') { |
| 1495 |
$this->settings['js_optimization'] = 'defer'; |
| 1496 |
} |
| 1497 |
|
| 1498 |
if ($this->settings['opt_mode'] == 'medium') { |
| 1499 |
$this->settings['js_optimization'] = 'asynchronous'; |
| 1500 |
} |
| 1501 |
|
| 1502 |
if ($this->settings['opt_mode'] == 'blaze') { |
| 1503 |
$this->settings['js_optimization'] = 'delay'; |
| 1504 |
} |
| 1505 |
|
| 1506 |
if ($this->settings['opt_mode'] == 'aggressive') { |
| 1507 |
$this->settings['js_optimization'] = 'delay'; |
| 1508 |
} |
| 1509 |
} |
| 1510 |
|
| 1511 |
if ($this->settings['js_optimization'] !== 'disable') { |
| 1512 |
$buffer = $this->optimize_js($buffer); |
| 1513 |
} |
| 1514 |
|
| 1515 |
if ($this->settings['lazy_load_videos']) { |
| 1516 |
$buffer = $this->lazy_load_videos($buffer); |
| 1517 |
} |
| 1518 |
|
| 1519 |
if ($this->settings['youtube_lazyloading']) { |
| 1520 |
$buffer = $this->lazy_load_iframes($buffer); |
| 1521 |
} |
| 1522 |
|
| 1523 |
if ($this->settings['css_optimization'] == 'auto') { |
| 1524 |
if ($this->settings['opt_mode'] == 'basic') { |
| 1525 |
$this->settings['css_optimization'] = 'disable'; |
| 1526 |
} |
| 1527 |
|
| 1528 |
if ($this->settings['opt_mode'] == 'medium') { |
| 1529 |
$this->settings['css_optimization'] = 'asynchronous'; |
| 1530 |
} |
| 1531 |
|
| 1532 |
if ($this->settings['opt_mode'] == 'blaze') { |
| 1533 |
$this->settings['css_optimization'] = 'asynchronous'; |
| 1534 |
} |
| 1535 |
|
| 1536 |
if ($this->settings['opt_mode'] == 'aggressive') { |
| 1537 |
$this->settings['css_optimization'] = 'delay'; |
| 1538 |
} |
| 1539 |
} |
| 1540 |
|
| 1541 |
$enable_used_css = (bool) apply_filters( |
| 1542 |
'berqwp_local_used_css', |
| 1543 |
apply_filters('berqwp_local_critical_css', (bool) get_option('berqwp_enable_used_css')) |
| 1544 |
); |
| 1545 |
|
| 1546 |
if ($enable_used_css && $this->settings['css_optimization'] !== 'disable') { |
| 1547 |
$critical_css = new berqUsedCSS(get_option('home')); |
| 1548 |
$critical_css->forceInclude($this->settings['force_include_critical_css']); |
| 1549 |
$critical_css = $critical_css->process_css($buffer); |
| 1550 |
$critical_css = sprintf('<style data-berqwp-exclude id="berqwp-used-css">%s</style>', $critical_css); |
| 1551 |
|
| 1552 |
$buffer = berqwp_prependHtmlToHead($buffer, $critical_css); |
| 1553 |
$buffer = $this->delay_styles($buffer); |
| 1554 |
|
| 1555 |
} |
| 1556 |
|
| 1557 |
|
| 1558 |
$buffer = $this->restore_template_scripts( $buffer, $template_placeholders ); |
| 1559 |
|
| 1560 |
$script = apply_filters('berqwp_photon_before_closing_body', $script); |
| 1561 |
$buffer = berqwp_appendHtmlToBody($buffer, $script); |
| 1562 |
|
| 1563 |
$buffer = apply_filters( 'berqwp_cache_buffer', $buffer ); |
| 1564 |
$this->store_cache($buffer); |
| 1565 |
|
| 1566 |
return $buffer; |
| 1567 |
} |
| 1568 |
} |
| 1569 |
|
