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sentry: ignore Office add-in + ResizeObserver browser noise #39

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Merged
utsengar merged 1 commit into from
May 31, 2026
Merged

sentry: ignore Office add-in + ResizeObserver browser noise #39

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8 changes: 7 additions & 1 deletion src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -240,7 +240,13 @@ app.on(["GET", "HEAD"], "/sentry.js", (c) => {
const publicKey = m[1];
const dsnJson = JSON.stringify(dsn);
const keyJson = JSON.stringify(publicKey);
const body = `(function(){var s=document.createElement('script');s.src='https://js.sentry-cdn.com/'+${keyJson}+'.min.js';s.crossOrigin='anonymous';s.onload=function(){if(window.Sentry)window.Sentry.init({dsn:${dsnJson},tracesSampleRate:0.1});};document.head.appendChild(s);})();`;
// ignoreErrors filters third-party browser noise that bubbles into our
// unhandled-rejection handler:
// - "Object Not Found Matching Id" — MS Office Editor add-in misbehaving
// in the page context on Windows + Edge/Chrome.
// - ResizeObserver loop messages — benign Chrome implementation detail
// fired when an observer callback triggers another layout pass.
const body = `(function(){var s=document.createElement('script');s.src='https://js.sentry-cdn.com/'+${keyJson}+'.min.js';s.crossOrigin='anonymous';s.onload=function(){if(window.Sentry)window.Sentry.init({dsn:${dsnJson},tracesSampleRate:0.1,ignoreErrors:["Object Not Found Matching Id","ResizeObserver loop limit exceeded","ResizeObserver loop completed with undelivered notifications"]});};document.head.appendChild(s);})();`;
return new Response(body, { headers });
});

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