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LaunchDarkly Server-Side SDK for Node.js - OpenTelemetry integration

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LaunchDarkly overview

LaunchDarkly is a feature management platform that serves over 100 billion feature flags daily to help teams build better software, faster. Get started using LaunchDarkly today!

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Supported Node versions

This package is compatible with Node.js versions 14 and above.

Quick setup

This assumes that you have already installed the LaunchDarkly Node.js SDK.

  1. Install this package with npm or yarn:
npm install @launchdarkly/node-server-sdk-otel --save
  1. If your application does not already have its' own dependency on the @opentelemetry/api package, add @opentelemetry/api as well:
npm install @opentelemetry/api --save
  1. Import the tracing hook:
import { TracingHook } from '@launchdarkly/node-server-sdk-otel';
  1. When configuring your SDK client, add the TracingHook
import { init } from '@launchdarkly/node-server-sdk';

const client = init('YOUR SDK KEY', { hooks: [new TracingHook()] });

Contributing

We encourage pull requests and other contributions from the community. Check out our contributing guidelines for instructions on how to contribute to this SDK.

About LaunchDarkly

  • LaunchDarkly is a continuous delivery platform that provides feature flags as a service and allows developers to iterate quickly and safely. We allow you to easily flag your features and manage them from the LaunchDarkly dashboard. With LaunchDarkly, you can:
    • Roll out a new feature to a subset of your users (like a group of users who opt-in to a beta tester group), gathering feedback and bug reports from real-world use cases.
    • Gradually roll out a feature to an increasing percentage of users, and track the effect that the feature has on key metrics (for instance, how likely is a user to complete a purchase if they have feature A versus feature B?).
    • Turn off a feature that you realize is causing performance problems in production, without needing to re-deploy, or even restart the application with a changed configuration file.
    • Grant access to certain features based on user attributes, like payment plan (eg: users on the ‘gold’ plan get access to more features than users in the ‘silver’ plan).
    • Disable parts of your application to facilitate maintenance, without taking everything offline.
  • LaunchDarkly provides feature flag SDKs for a wide variety of languages and technologies. Check out our documentation for a complete list.
  • Explore LaunchDarkly