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fix(sentry): filter browser extension errors from error tracking #17147

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wackerow merged 1 commit into from
Jan 23, 2026
Merged

fix(sentry): filter browser extension errors from error tracking #17147

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52 changes: 52 additions & 0 deletions instrumentation-client.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,58 @@ Sentry.init({
debug: environment === "development",
environment,
enabled: environment === "production",

// Filter errors from browser extensions and third-party scripts
denyUrls: [
// Browser extension protocols
/chrome-extension:\/\//,
/moz-extension:\/\//,
/safari-extension:\/\//,
// Netlify RUM analytics (blocked by ad blockers, not actionable)
/\.netlify\/scripts\/rum/,
/ingesteer\.services-prod\.nsvcs\.net/,
],

// Filter common extension error messages and non-actionable errors
ignoreErrors: [
// Wallet extension proxy/property conflicts (ETHORG-Z1, ETHORG-115)
/on proxy: trap returned falsish/i,
/Cannot set property ethereum of #<Window>/,
/Cannot set property isMetaMask of #<.+> which has only a getter/,
// Extension messaging errors
/Could not establish connection\. Receiving end does not exist/,
/Attempting to use a disconnected port object/,
// Resource loading errors - network/ad blocker issues, not actionable (ETHORG-A8)
/Event `Event` \(type=error\) captured as promise rejection/,
// WebView circular reference serialization failures - wallet app injections (ETHORG-72)
/JSON\.stringify cannot serialize cyclic structures/,
],

beforeSend(event) {
// Filter extension injection script errors not caught by denyUrls
const frames = event.exception?.values?.[0]?.stacktrace?.frames ?? []
const isExtensionScript = frames.some((f) => {
const filename = f.filename || ""
const absPath = f.abs_path || ""
return (
// Extension preload scripts
filename.includes("preload/document.js") ||
absPath.includes("preload/document.js") ||
// Wallet extension injection scripts (ETHORG-Z1: TronLink, ETHORG-115: wallet bridges)
/injected\/injected\.js/.test(filename) ||
/bridge\/inject\.js/.test(filename) ||
/content[-_]?script\.js/i.test(filename) ||
/inpage\.js/.test(filename) ||
// Generic app:// protocol used by extension injected scripts (ETHORG-117: BitVisionWeb wallet)
filename.startsWith("app:///") ||
absPath.startsWith("app:///") ||
// Extension code injected via about:blank contexts (ETHORG-96)
filename === "about:blank" ||
absPath === "about:blank"
)
})
return isExtensionScript ? null : event
},
// Normalize transaction names for parameterized routes to enable per-page analysis
// Sentry uses formats like "/:locale/:slug*" for catch-all routes
beforeSendTransaction(event) {
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