(function () { try { if (window.location.search.indexOf('diag=1') === -1) return; } catch (e) { return; } var BUILD = "eec3bb2"; var seen = []; var diffLines = null; var earlyText = ''; var posted = false; function env() { var bits = []; bits.push('build: ' + BUILD); bits.push('loaded: ' + new Date().toISOString()); bits.push('url: ' + location.href); bits.push('ua: ' + navigator.userAgent); try { bits.push('lang: ' + navigator.language + ' | langs: ' + (navigator.languages || []).join(',')); } catch (e) {} try { bits.push('tz: ' + Intl.DateTimeFormat().resolvedOptions().timeZone); } catch (e) { bits.push('tz: '); } try { bits.push('offset: ' + new Date().getTimezoneOffset()); } catch (e) {} try { bits.push('screen: ' + screen.width + 'x' + screen.height + ' dpr=' + window.devicePixelRatio); } catch (e) {} try { bits.push('storage: ' + (window.localStorage ? 'ok' : 'missing')); } catch (e) { bits.push('storage: THREW ' + e); } try { bits.push('cookies: ' + navigator.cookieEnabled); } catch (e) {} try { bits.push('cores: ' + (navigator.hardwareConcurrency || '?')); } catch (e) {} return bits.join('\n'); } function esc(s) { return String(s).replace(/&/g, '&').replace(//g, '>'); } /** * Every visible text node under `root`, trimmed. * * Node-level rather than innerText: a re-fetched document is parsed but never * laid out, so it has no innerText at all and textContent collapses the whole * page into one unbroken string — nothing the live DOM could be aligned * against. Walking text nodes gives both sides the same granularity, so a * difference points at one string instead of the whole page. */ function textPieces(root) { var out = []; try { var doc = root.ownerDocument || document; var w = doc.createTreeWalker(root, NodeFilter.SHOW_TEXT, null); var n; while ((n = w.nextNode())) { var tag = n.parentNode && n.parentNode.nodeName; if (tag === 'SCRIPT' || tag === 'STYLE' || tag === 'NOSCRIPT' || tag === 'TEMPLATE') continue; var s = String(n.nodeValue || '').replace(/^\s+|\s+$/g, ''); if (s) out.push(s); } } catch (e) {} return out; } /** * Re-fetch the server HTML and diff its text against the live DOM. * Whatever differs is what React could not reconcile. */ function computeDiff(done) { try { var x = new XMLHttpRequest(); x.open('GET', location.href, true); x.onreadystatechange = function () { if (x.readyState !== 4) return; try { var doc = new DOMParser().parseFromString(x.responseText, 'text/html'); // A parsed-but-not-rendered document has no innerText, so the // textContent fallback would otherwise fold in every

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