Add ld to dependencies and skeleton code. Get rid of core/

packages/launchdarkly/package.json

@@ -41,7 +41,8 @@
   "dependencies": {
     "@sentry/core": "8.35.0",
     "@sentry/types": "8.35.0",
-    "@sentry/utils": "8.35.0"
+    "@sentry/utils": "8.35.0",
+    "launchdarkly-js-client-sdk": "^3.5.0"
   },
   "scripts": {
     "build": "run-p build:transpile build:types build:bundle",

packages/launchdarkly/src/index.ts

@@ -1,9 +1,6 @@
 // This file is used as entry point to generate the npm package and CDN bundles.
 
-// export { sendFeedback } from './core/sendFeedback';
-// export { buildFeedbackIntegration } from './core/integration';
-// export { getFeedback } from './core/getFeedback';
-// export { feedbackModalIntegration } from './modal/integration';
-// export { feedbackScreenshotIntegration } from './screenshot/integration';
+export { launchDarklyIntegration } from './integration';
 
-export { buildLaunchDarklyIntegration } from './core/integration';
+// export type {
+// } from './types';

packages/launchdarkly/src/integration.ts

@@ -0,0 +1,43 @@
+import type { IntegrationFn } from '@sentry/types';
+import type { LDInspectionFlagUsedHandler } from 'launchdarkly-js-client-sdk';
+import type { LaunchDarklyOptions } from './types';
+
+/**
+ * Sentry integration for capturing feature flags from LaunchDarkly.
+ *
+ * See the [feature flag documentation](TODO:) for more information.
+ *
+ * @example
+ *
+ * ```
+ * Sentry.init({
+ *   dsn: '__DSN__',
+ *   integrations: [Sentry.replayIntegration()],
+ * });
+ * ```
+ */
+export const launchDarklyIntegration = ((options?: LaunchDarklyOptions) => {
+  const { ldClient } = options;
+
+  return {
+    name: 'launchdarkly',
+
+    setup(client) {
+      // type is Sentry SDK client
+
+      // pseudo-code
+      ldClient.addHandler(FlagUsedHandler());
+    },
+  };
+}) satisfies IntegrationFn;
+
+// https://launchdarkly.github.io/js-client-sdk/interfaces/LDInspectionFlagUsedHandler.html //TODO: rm this link
+class FlagUsedHandler implements LDInspectionFlagUsedHandler {
+  public name = 'sentry-feature-flag-monitor'; // eslint-disable-line @sentry-internal/sdk/no-class-field-initializers
+  public synchronous?: boolean;
+  public type = 'flag-used' as const; // eslint-disable-line @sentry-internal/sdk/no-class-field-initializers
+  public method(flagKey, flagDetail, context) {
+    //TODO:
+    return;
+  }
+}

packages/launchdarkly/src/types/launchdarkly.ts

@@ -1,4 +1,7 @@
-// Integration options
+// TODO: could we just put everything in a types.ts file?
 
-// Integration interface?
+import type { LDClient } from 'launchdarkly-js-client-sdk';
 
+export type LaunchDarklyOptions = {
+  ldClient: LDClient;
+};