sentry-svelte-sdk

# Detect framework type
cat package.json | grep -E '"svelte"|"@sveltejs/kit"|"@sentry/svelte"|"@sentry/sveltekit"'
 
# Check for SvelteKit indicators
ls svelte.config.js svelte.config.ts vite.config.ts vite.config.js 2>/dev/null
 

npm install @sentry/sveltekit --save

import adapter from "@sveltejs/adapter-auto";
 
const config = {
  kit: {
    adapter: adapter(),
    experimental: {
      instrumentation: { server: true },
      tracing: { server: true },
    },
  },
};
 
export default config;

import * as Sentry from "@sentry/sveltekit";
 
Sentry.init({
  dsn: process.env.SENTRY_DSN,
  environment: process.env.SENTRY_ENVIRONMENT,
  release: process.env.SENTRY_RELEASE,
 
  dataCollection: {
    // To disable sending user data and HTTP bodies, uncomment the lines below. For more info visit:
    // https://docs.sentry.io/platforms/javascript/guides/sveltekit/configuration/options/#dataCollection
    // userInfo: false,
    // httpBodies: [],
  },
  tracesSampleRate: 1.0,    // lower to 0.1–0.2 in production
  enableLogs: true,
});

import * as Sentry from "@sentry/sveltekit";
 
Sentry.init({
  dsn: import.meta.env.PUBLIC_SENTRY_DSN ?? import.meta.env.VITE_SENTRY_DSN,
  environment: import.meta.env.MODE,
 
  dataCollection: {
    // To disable sending user data and HTTP bodies, uncomment the lines below. For more info visit:
    // https://docs.sentry.io/platforms/javascript/guides/sveltekit/configuration/options/#dataCollection
    // userInfo: false,
    // httpBodies: [],
  },
  tracesSampleRate: 1.0,
 
  integrations: [
    Sentry.replayIntegration({
      maskAllText: true,
      blockAllMedia: true,
    }),
  ],
 
  replaysSessionSampleRate: 0.1,
  replaysOnErrorSampleRate: 1.0,
  enableLogs: true,
});
 
export const handleError = Sentry.handleErrorWithSentry();

import * as Sentry from "@sentry/sveltekit";
import { sequence } from "@sveltejs/kit/hooks";
 
export const handleError = Sentry.handleErrorWithSentry();
 
// sentryHandle() instruments incoming requests and creates root spans
export const handle = Sentry.sentryHandle();
 
// If you have other handle functions, compose with sequence():
// export const handle = sequence(Sentry.sentryHandle(), myAuthHandle);

import { sveltekit } from "@sveltejs/kit/vite";
import { sentrySvelteKit } from "@sentry/sveltekit";
import { defineConfig } from "vite";
 
export default defineConfig({
  plugins: [
    // sentrySvelteKit MUST come before sveltekit()
    sentrySvelteKit({
      org: process.env.SENTRY_ORG,
      project: process.env.SENTRY_PROJECT,
      authToken: process.env.SENTRY_AUTH_TOKEN,
    }),
    sveltekit(),
  ],
});

SENTRY_AUTH_TOKEN=sntrys_...
SENTRY_ORG=my-org-slug
SENTRY_PROJECT=my-project-slug

// src/hooks.server.ts (legacy — init goes here)
import * as Sentry from "@sentry/sveltekit";
 
Sentry.init({
  dsn: process.env.SENTRY_DSN,
  tracesSampleRate: 1.0,
  enableLogs: true,
});
 
export const handleError = Sentry.handleErrorWithSentry();
export const handle = Sentry.sentryHandle();

npm install @sentry/svelte --save

import * as Sentry from "@sentry/svelte";
import App from "./App.svelte";
 
Sentry.init({
  dsn: import.meta.env.VITE_SENTRY_DSN,
  environment: import.meta.env.MODE,
 
  dataCollection: {
    // To disable sending user data and HTTP bodies, uncomment the lines below. For more info visit:
    // https://docs.sentry.io/platforms/javascript/guides/sveltekit/configuration/options/#dataCollection
    // userInfo: false,
    // httpBodies: [],
  },
 
  integrations: [
    Sentry.browserTracingIntegration(),
    Sentry.replayIntegration({
      maskAllText: true,
      blockAllMedia: true,
    }),
  ],
 
  tracesSampleRate: 1.0,
  tracePropagationTargets: ["localhost", /^https:\/\/yourapi\.io/],
  replaysSessionSampleRate: 0.1,
  replaysOnErrorSampleRate: 1.0,
  enableLogs: true,
});
 
const app = new App({ target: document.getElementById("app")! });
export default app;

// svelte.config.js
import { withSentryConfig } from "@sentry/svelte";
 
export default withSentryConfig(
  { compilerOptions: {} },
  { componentTracking: { trackComponents: true } }
);

<!-- src/routes/sentry-test/+page.svelte -->
<script>
  import * as Sentry from "@sentry/sveltekit";
</script>
 
<button onclick={() => { throw new Error("Sentry client test"); }}>
  Test Client Error
</button>
 
<button onclick={() => Sentry.captureMessage("Sentry test message", "info")}>
  Test Message
</button>

// src/routes/sentry-test/+server.ts
export const GET = () => {
  throw new Error("Sentry server test");
};

# Look for backend in adjacent directories
ls ../backend ../server ../api ../go ../python 2>/dev/null
cat ../go.mod 2>/dev/null | head -3
cat ../requirements.txt ../pyproject.toml 2>/dev/null | head -3
cat ../Gemfile 2>/dev/null | head -3