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Debug: add error overlay + App.init catch

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root 2026-08-20 21:19:18 +00:00
parent 7a27b2cf3f
commit 75b9fc018f
1 changed files with 31 additions and 0 deletions
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31
public/js/app.js
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@ -344,3 +344,34 @@ function escapeHtml(s) {
if (!s) return ''; if (!s) return '';
return String(s).replace(/[&<>"']/g, c => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[c])); return String(s).replace(/[&<>"']/g, c => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[c]));
} }
// Debug-оверлей: показывает ошибки JS прямо на экране (для отладки в обычном браузере)
window.addEventListener('error', (e) => {
console.error('Global error:', e);
showDebugError(e.message + ' @ ' + (e.filename || '?') + ':' + (e.lineno || '?'));
});
window.addEventListener('unhandledrejection', (e) => {
console.error('Unhandled rejection:', e);
showDebugError('Promise: ' + (e.reason && e.reason.message ? e.reason.message : (e.reason || 'unknown')));
});
function showDebugError(msg) {
try {
let d = document.getElementById('debug-errors');
if (!d) {
d = document.createElement('div');
d.id = 'debug-errors';
d.style.cssText = 'position:fixed;top:0;left:0;right:0;max-height:50vh;overflow:auto;background:#900;color:#fff;padding:12px;font:12px monospace;z-index:99999;white-space:pre-wrap;';
document.body.appendChild(d);
}
const line = document.createElement('div');
line.textContent = msg;
d.appendChild(line);
} catch {}
}
document.addEventListener('DOMContentLoaded', () => {
App.init().catch((e) => {
console.error('App.init failed:', e);
showDebugError('App.init: ' + (e && e.message ? e.message : String(e)));
});
});