overleaf/services/web/frontend/js/infrastructure/error-reporter.js

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// Conditionally enable Sentry based on whether the DSN token is set
const reporterPromise = window.ExposedSettings.sentryDsn
? sentryReporter()
: nullReporter()
function sentryReporter() {
return (
import(/* webpackMode: "eager" */ '@sentry/browser')
.then(Sentry => {
let eventCount = 0
Sentry.init({
dsn: window.ExposedSettings.sentryDsn,
environment: window.ExposedSettings.sentryEnvironment,
release: window.ExposedSettings.sentryRelease,
autoSessionTracking: false,
// Ignore errors unless they come from our origins
// Adapted from: https://docs.sentry.io/platforms/javascript/#decluttering-sentry
whitelistUrls: [
new RegExp(window.ExposedSettings.sentryAllowedOriginRegex),
],
ignoreErrors: [
// Ignore very noisy error
'SecurityError: Permission denied to access property "pathname" on cross-origin object',
// Ignore unhandled error that is "expected" - see https://github.com/overleaf/issues/issues/3321
/^Missing PDF/,
/^pdfng error Error: MissingPDFException/,
// Ignore "expected" error from aborted fetch - see https://github.com/overleaf/issues/issues/3321
/^AbortError/,
// Ignore spurious error from Ace internals - see https://github.com/overleaf/issues/issues/3321
'ResizeObserver loop limit exceeded',
'ResizeObserver loop completed with undelivered notifications.',
// Microsoft Outlook SafeLink crawler
// https://forum.sentry.io/t/unhandledrejection-non-error-promise-rejection-captured-with-value/14062
/Non-Error promise rejection captured with value: Object Not Found Matching Id/,
],
beforeSend(event) {
// Limit number of events sent to Sentry to 100 events "per page load",
// (i.e. the cap will be reset if the page is reloaded). This prevent
// hitting their server-side event cap.
eventCount++
if (eventCount > 100) {
return null // Block the event from sending
} else {
return event
}
},
})
Sentry.setUser({ id: window.user_id })
return Sentry
})
// If Sentry fails to load, use the null reporter instead
.catch(error => {
console.error(error)
return nullReporter()
})
)
}
function nullReporter() {
return Promise.resolve({
captureException: console.error,
captureMessage: console.error,
})
}
export function captureException(...args) {
reporterPromise.then(reporter => reporter.captureException(...args))
}
export function captureMessage(...args) {
reporterPromise.then(reporter => reporter.captureMessage(...args))
}