Init[WIP]

packages/browser/src/index.ts

@@ -75,3 +75,4 @@ export {
 } from './integrations/featureFlags';
 export { launchDarklyIntegration, buildLaunchDarklyFlagUsedHandler } from './integrations/featureFlags/launchdarkly';
 export { openFeatureIntegration, OpenFeatureIntegrationHook } from './integrations/featureFlags/openfeature';
+export { unleashIntegration } from './integrations/featureFlags/unleash';

packages/browser/src/integrations/featureFlags/unleash/index.ts

@@ -0,0 +1 @@
+export { unleashIntegration } from './integration';

packages/browser/src/integrations/featureFlags/unleash/integration.ts

@@ -0,0 +1,36 @@
+import type { Client, Event, EventHint, IntegrationFn } from '@sentry/core';
+
+import { defineIntegration } from '@sentry/core';
+import { copyFlagsFromScopeToEvent, insertFlagToScope } from '../../../utils/featureFlags';
+import type { UnleashClient } from './types';
+
+/**
+ * Sentry integration for capturing feature flags from the Unleash SDK.
+ *
+ * See the [feature flag documentation](https://develop.sentry.dev/sdk/expected-features/#feature-flags) for more information.
+ *
+ * @example
+ * ```
+ * import * as Sentry from '@sentry/browser';
+ * TODO:
+ *
+ * Sentry.init({
+ *   dsn: '___PUBLIC_DSN___',
+ *   integrations: [TODO:]
+ * });
+ * ```
+ */
+export const unleashIntegration = defineIntegration((openFeatureClient: UnleashClient ) => {
+  return {
+    name: 'Unleash',
+
+    processEvent(event: Event, _hint: EventHint, _client: Client): Event {
+      return copyFlagsFromScopeToEvent(event);
+    },
+
+    setupOnce() {
+      openFeatureClient.isEnabled = Proxy();
+      openFeatureClient.getVariant = Proxy();
+    },
+  };
+}) satisfies IntegrationFn;

packages/browser/src/integrations/featureFlags/unleash/types.ts

@@ -0,0 +1,11 @@
+export type Variant = {
+  variantName: string;
+  enabled: boolean;
+  payload?: object; // TODO:
+  // TODO:
+}
+
+export interface UnleashClient {
+  isEnabled(featureName: string): boolean;
+  getVariant(featureName: string): Variant;
+}