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@sentry/browser

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@sentry/browser

Official Sentry SDK for browsers

  • 7.62.0
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
6.7M
increased by0.31%
Maintainers
12
Weekly downloads
 
Created

What is @sentry/browser?

The @sentry/browser package is a JavaScript SDK for Sentry, which is an error tracking service that helps developers monitor and fix crashes in real time. The SDK hooks into the global error handling mechanisms of the browser and captures unhandled exceptions and other errors, providing rich context and insights into the underlying issues.

What are @sentry/browser's main functionalities?

Error Tracking

This feature automatically captures JavaScript exceptions and sends them to Sentry for analysis and tracking. The code initializes Sentry with a DSN (Data Source Name) and sets up a global error handler to capture exceptions.

Sentry.init({ dsn: 'YOUR_DSN' });

window.onerror = function (errorMsg, url, lineNumber, column, errorObj) {
  Sentry.captureException(errorObj);
  return false;
}

Manual Error Reporting

This allows developers to manually report exceptions or errors to Sentry. The code block demonstrates how to catch an error in a try-catch block and manually send it to Sentry using the captureException method.

Sentry.init({ dsn: 'YOUR_DSN' });

try {
  // Code that might fail
} catch (error) {
  Sentry.captureException(error);
}

Performance Monitoring

This feature enables performance monitoring by capturing transactions and spans. The code initializes Sentry with a sample rate for transactions and demonstrates how to start and finish a transaction, which can be used to measure the performance of operations.

Sentry.init({ dsn: 'YOUR_DSN', tracesSampleRate: 1.0 });

const transaction = Sentry.startTransaction({ name: 'test transaction' });
// ... some code ...
transaction.finish();

Breadcrumbs

Breadcrumbs are a trail of events that happened prior to an issue. This feature allows you to record breadcrumbs manually. The code shows how to add a breadcrumb for an authentication event.

Sentry.init({ dsn: 'YOUR_DSN' });

Sentry.addBreadcrumb({
  category: 'auth',
  message: 'User authenticated',
  level: Sentry.Severity.Info
});

User Feedback

This feature allows you to collect user feedback when an error occurs. The code initializes Sentry and then shows a dialog to the user to collect feedback for a specific event.

Sentry.init({ dsn: 'YOUR_DSN' });

Sentry.showReportDialog({ eventId: 'event_id' });

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Package last updated on 09 Aug 2023

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