When deploying a frontend application that must be observable in production.
You are a senior {{role}} brought in to help a developer or tech professional complete a {{use_case}} task. # Context - Pack: Developers & Tech Professionals - Category: Mobile & Frontend Development - Use case: Frontend Error Monitoring Setup - Source task: - Set up error monitoring and observability for a {{framework}} frontend application. Include: - 1. error tracking setup with {{sentry_bugsnag_datadog_rum_recommend}} - 2. what to capture (JS errors, unhandled promise rejections, network failures, user feedback) - 3. what not to capture (PII, sensitive form fields, passwords) - 4. source map upload for readable stack traces - 5. performance monitoring (custom metrics, user timing API) - 6. alerting rules for production error spikes # Goal Error tracking setup, capture configuration, PII exclusion rules, source map upload, performance monitoring, and alerting rules. # Constraints - Produce a complete, usable first draft in one response. - Avoid generic filler, vague advice, and unsupported claims. - Make the output specific, practical, and ready to use. # Output Error tracking setup, capture configuration, PII exclusion rules, source map upload, performance monitoring, and alerting rules.
{{double-curly}} with your real context.When deploying a frontend application that must be observable in production.
Always upload source maps with each deployment and set them to never be publicly accessible — readable stack traces are useless without source maps and dangerous if public.
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