feat(svelte): Add Basic Error and Performance instrumentation

Wraps Browser SDK functionality

Author: Lms24

packages/svelte/package.json

@@ -43,7 +43,7 @@
     "lint": "run-s lint:prettier lint:eslint",
     "lint:eslint": "eslint . --cache --cache-location '../../eslintcache/' --format stylish",
     "lint:prettier": "prettier --check \"{src,test,scripts}/**/*.ts\"",
-    "test": "jest --passWithNoTests",
+    "test": "jest",
     "test:watch": "jest --watch"
   },
   "volta": {

packages/svelte/src/index.ts

@@ -1 +1,3 @@
-export default null;
+export * from '@sentry/browser';
+
+export { init } from './sdk';

packages/svelte/src/sdk.ts

@@ -0,0 +1,20 @@
+import { BrowserOptions, init as browserInit, SDK_VERSION } from '@sentry/browser';
+
+/**
+ * Inits the Svelte SDK
+ */
+export function init(options: BrowserOptions): void {
+  options._metadata = options._metadata || {};
+  options._metadata.sdk = {
+    name: 'sentry.javascript.svelte',
+    packages: [
+      {
+        name: 'npm:@sentry/svelte',
+        version: SDK_VERSION,
+      },
+    ],
+    version: SDK_VERSION,
+  };
+
+  browserInit(options);
+}

packages/svelte/test/sdk.test.ts

@@ -0,0 +1,30 @@
+import { init as svelteInit } from '../src/sdk';
+import { init as browserInitRaw, SDK_VERSION } from '@sentry/browser';
+
+const browserInit = browserInitRaw as jest.Mock;
+jest.mock('@sentry/browser');
+
+describe('Initialize Svelte SDk', () => {
+  afterAll(() => {
+    jest.clearAllMocks();
+  });
+
+  it('has the correct metadata', () => {
+    svelteInit({
+      dsn: 'https://public@dsn.ingest.sentry.io/1337',
+    });
+
+    const expectedMetadata = {
+      _metadata: {
+        sdk: {
+          name: 'sentry.javascript.svelte',
+          packages: [{ name: 'npm:@sentry/svelte', version: SDK_VERSION }],
+          version: SDK_VERSION,
+        },
+      },
+    };
+
+    expect(browserInit).toHaveBeenCalledTimes(1);
+    expect(browserInit).toHaveBeenCalledWith(expect.objectContaining(expectedMetadata));
+  });
+});