LaunchDarkly vs Unleash

import * as ld from '@launchdarkly/node-server-sdk';

const client = ld.init(process.env.LAUNCHDARKLY_SDK_KEY!);
await client.waitForInitialization();

const context = { kind: 'user', key: 'user-123', email: 'alice@example.com' };

const showNewFeature = await client.variation('new-checkout-flow', context, false);

if (showNewFeature) {
  // Render new checkout
} else {
  // Render old checkout
}

import { initialize } from 'unleash-client';

const unleash = initialize({
  url: process.env.UNLEASH_URL!,
  customHeaders: { Authorization: process.env.UNLEASH_API_TOKEN! },
  appName: 'my-app',
});

// Wait for flags to sync
unleash.on('synchronized', () => {
  const isEnabled = unleash.isEnabled('new-dashboard');
  console.log('New dashboard:', isEnabled);
});