JezK
Edit File: js_delay.js
window.litespeed_ui_events = window.litespeed_ui_events || ['mouseover', 'click', 'keydown', 'wheel', 'touchmove', 'touchstart', 'pointerup', 'pointerdown']; var urlCreator = window.URL || window.webkitURL; // const litespeed_js_delay_timer = setTimeout( litespeed_load_delayed_js, 70 ); litespeed_ui_events.forEach(e => { window.addEventListener(e, litespeed_load_delayed_js_force, { passive: true }); // Use passive to save GPU in interaction }); function litespeed_load_delayed_js_force() { console.log('[LiteSpeed] Start Load JS Delayed'); // clearTimeout( litespeed_js_delay_timer ); litespeed_ui_events.forEach(e => { window.removeEventListener(e, litespeed_load_delayed_js_force, { passive: true }); }); document.querySelectorAll('iframe[data-litespeed-src]').forEach(e => { e.setAttribute('src', e.getAttribute('data-litespeed-src')); }); // Prevent early loading if (document.readyState == 'loading') { window.addEventListener('DOMContentLoaded', litespeed_load_delayed_js); } else { litespeed_load_delayed_js(); } } async function litespeed_load_delayed_js() { let js_list = []; // Prepare all JS document.querySelectorAll('script[type="litespeed/javascript"]').forEach(e => { js_list.push(e); }); // Load by sequence for (let script in js_list) { await new Promise(resolve => litespeed_load_one(js_list[script], resolve)); } // Simulate doc.loaded document.dispatchEvent(new Event('DOMContentLiteSpeedLoaded')); window.dispatchEvent(new Event('DOMContentLiteSpeedLoaded')); } /** * Load one JS synchronously */ function litespeed_load_one(e, resolve) { console.log('[LiteSpeed] Load ', e); var e2 = document.createElement('script'); // Memory Cleanup & Resolution logic var handler = function() { if (e2.src.startsWith('blob:')) { URL.revokeObjectURL(e2.src); // RECLAIM MEMORY } resolve(); }; e2.addEventListener('load', handler); e2.addEventListener('error', handler); var attrs = e.getAttributeNames(); attrs.forEach(aname => { if (aname == 'type') return; e2.setAttribute(aname == 'data-src' ? 'src' : aname, e.getAttribute(aname)); }); e2.type = 'text/javascript'; // Inline script if (!e2.src && e.textContent) { e2.src = litespeed_inline2src(e.textContent); // e2.textContent = e.textContent; } // Deploy to dom e.after(e2); e.remove(); } /** * Prepare inline script */ function litespeed_inline2src(data) { try { var src = urlCreator.createObjectURL( new Blob([data.replace(/^(?:<!--)?(.*?)(?:-->)?$/gm, '$1')], { type: 'text/javascript', }), ); } catch (e) { var src = 'data:text/javascript;base64,' + btoa(data.replace(/^(?:<!--)?(.*?)(?:-->)?$/gm, '$1')); } return src; }