instrumentation-client.ts

import { captureRouterTransitionStart, init } from '@sentry/nextjs';

if (process.env.NODE_ENV !== 'development') {
  init({
    dsn: process.env.NEXT_PUBLIC_SENTRY_DSN,
    // Adds request headers and IP for users, for more info visit:
    // https://docs.sentry.io/platforms/javascript/guides/nextjs/configuration/options/#sendDefaultPii
    sendDefaultPii: true,
    normalizeDepth: 5,
    // Define how likely traces are sampled. Adjust this value in production, or use tracesSampler for greater control.
    tracesSampleRate: 0.05,
    // Note: if you want to override the automatic release value, do not set a
    // `release` value here - use the environment variable `SENTRY_RELEASE`, so
    // that it will also get attached to your source maps
  });
}

// This export will instrument router navigations, and is only relevant if you enable tracing.
// `captureRouterTransitionStart` is available from SDK version 9.12.0 onwards
export const onRouterTransitionStart = captureRouterTransitionStart;