Official Sentry SDK for Svelte


This SDK currently only supports Svelte apps in the browser. If you're using SvelteKit, we
recommend using our dedicated
Sentry SvelteKit SDK.

General

This package is a wrapper around @sentry/browser, providing error monitoring and basic performance monitoring features
for Svelte.

To use the SDK, initialize Sentry in your Svelte entry point main.js before you bootstrap your Svelte app:

``ts
// main.js / main.ts

import App from './App.svelte';

import * as Sentry from '@sentry/svelte';

// Initialize the Sentry SDK here
Sentry.init({
dsn: '__DSN__',
release: 'my-project-name@2.3.12',
integrations: [Sentry.browserTracingIntegration()],

// Set tracesSampleRate to 1.0 to capture 100%
// of transactions for performance monitoring.
// We recommend adjusting this value in production
tracesSampleRate: 1.0,
});

// Then bootstrap your Svelte app
const app = new App({
target: document.getElementById('app'),
});

export default app;
`

The Sentry Svelte SDK supports all features from the @sentry/browser SDK. Until it becomes more stable, please refer
to the Sentry Browser SDK documentation for more information and usage
instructions.

Sourcemaps and Releases

To generate source maps of your Svelte app bundle, check our guide
how to configure your bundler to
emit source maps.

To create releases and upload source maps to
Sentry, we recommend using sentry-cli. You can for instance create a bash
script to take care of creating a release, uploading source maps and finalizing the release:

`bash
#!/bin/bash

VERSION=
ORG=
PROJECT=

SOURCEMAPS_PATH=./dist

sentry-cli releases new $VERSION --org $ORG --project $PROJECT
sentry-cli releases files $VERSION upload-sourcemaps $SOURCEMAPS_PATH --org $ORG --project $PROJECT
sentry-cli releases finalize $VERSION --org $ORG --project $PROJECT
`

Please note that the paths provided in this example work for a typical Svelte project that adheres to the project
structure set by create-vite with the svelte(-ts) template. If your
project setup differs from this template, your configuration may need adjustments. Please refer to our documentation of
Advanced sentry-cli` Sourcemaps Options and to
our Sourcemaps Troubleshooting Guide.

Check out our
Svelte source maps uploading guide
for more information.