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launchdarkly-react-client-sdk

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launchdarkly-react-client-sdk

LaunchDarkly SDK for React

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What is launchdarkly-react-client-sdk?

The launchdarkly-react-client-sdk is a client-side SDK for integrating LaunchDarkly's feature flagging and experimentation capabilities into React applications. It allows developers to control feature releases, perform A/B testing, and manage feature flags in real-time.

What are launchdarkly-react-client-sdk's main functionalities?

Initialize the SDK

This code demonstrates how to initialize the LaunchDarkly SDK in a React application using the `withLDProvider` higher-order component. Replace 'YOUR_CLIENT_SIDE_ID' with your actual LaunchDarkly client-side ID.

import { withLDProvider } from 'launchdarkly-react-client-sdk';

const App = () => (
  <div>
    <h1>My App</h1>
  </div>
);

export default withLDProvider({
  clientSideID: 'YOUR_CLIENT_SIDE_ID'
})(App);

Use feature flags

This code demonstrates how to use feature flags in a React component with the `useFlags` hook. The `myFeatureFlag` variable will be `true` or `false` based on the feature flag's state in LaunchDarkly.

import { useFlags } from 'launchdarkly-react-client-sdk';

const MyComponent = () => {
  const { myFeatureFlag } = useFlags();

  return (
    <div>
      {myFeatureFlag ? <p>Feature is enabled</p> : <p>Feature is disabled</p>}
    </div>
  );
};

Track custom events

This code demonstrates how to track custom events using the `useLDClient` hook. The `ldClient.track` method sends a custom event to LaunchDarkly, which can be used for analytics and experimentation.

import { useLDClient } from 'launchdarkly-react-client-sdk';

const MyComponent = () => {
  const ldClient = useLDClient();

  const handleClick = () => {
    ldClient.track('button-clicked', { customData: 'example' });
  };

  return (
    <button onClick={handleClick}>Click me</button>
  );
};

Other packages similar to launchdarkly-react-client-sdk

    unleash-client

    Unleash is an open-source feature management solution. The `unleash-client` package provides similar feature flagging capabilities as LaunchDarkly but is self-hosted, giving you more control over your data and infrastructure.

    splitio-react

    Split.io is another feature flagging and experimentation platform. The `splitio-react` package provides similar functionalities to LaunchDarkly, allowing you to manage feature flags and run experiments in React applications.

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Package last updated on 30 Jan 2025

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