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@honeybadger-io/react-native

Honeybadger.io for React Native.

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Honeybadger for React Native

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A React Native library for integrating Honeybadger into your React Native iOS and Android apps.

Installation

From the root directory of your React Native project, add @honeybadger-io/react-native as a dependency:

npm install "@honeybadger-io/react-native"
cd ios && pod install

The iOS step is required to properly add the library to the Xcode project through CocoaPods. Android doesn't require a separate step.

Initialization

Add the following to your App.js file to initialize the Honeybadger library.

import Honeybadger from "@honeybadger-io/react-native";

export default function App() {
  Honeybadger.configure({
    apiKey: '[ YOUR API KEY HERE ]'
  })
  // ...
}

You can log into your Honeybadger account to obtain your API key.

Configuration

See the Configuration Reference for a full list of config options.

Usage

Uncaught iOS, Android, and JavaScript errors will be automatically reported to Honeybadger by default.

You can also report errors yourself using Honeybadger.notify().

Error reports can be customized, for example by using Honeybadger.setContext(), Honeybadger.addBreadcrumb(), and Honeybadger.beforeNotify().

Limitations

Some native errors on Android may not be recorded if they cause an immediate crash of the app before the notice makes it to Honeybadger.

Source Maps

To generate and upload source maps to Honeybadger, use the following command:

npx honeybadger-upload-sourcemaps --apiKey <your project API key> --revision <build revision>

The --apiKey param is your Honeybadger API key for the project. The --revision param should match the revision param of the Honeybadger.init call inside your application. This is done so that reported errors are correctly matched up against the generated source maps.

As of version 0.70, React Native uses Hermes as the default JavaScript engine. The source maps tool assumes that your project uses Hermes. If you are building against an earlier version of React Native, or are explicitly not using Hermes, add the --no-hermes flag to the source maps tool, like so:

npx honeybadger-upload-sourcemaps --no-hermes --apiKey <your project API key> --revision <build revision>

If you just want to generate the source maps without uploading them to Honeybadger, you can use the --skip-upload flag.

npx honeybadger-upload-sourcemaps --skip-upload --apiKey <your project API key> --revision <build revision>

Example Projects

The examples directory contains two minimal React Native projects, demonstrating the use of the Honeybadger library. One was created using the React Native CLI Quickstart instructions and one using the Expo Go Quickstart instructions from react-native. Please review those instructions, as you may need to install Android Studio, Xcode, etc.

react-native-cli

npm install
npm run ios:install
npm start

In a new shell:

npm run ios

or

npm run android

If you want to test a release (ie prod) build, use

npm run ios:release

or

npm run android:release

expo-app

Do not use npx expo start, since this relies on Expo Go, which does not support custom native code. Instead, use the following commands:

npm install
npm run ios

or

npm install
npm run android

When the app opens, enter your API key, press "Configure", and then test your setup by using the button to throw an error.

If you want to test a release (ie prod) build, use

npm run ios:release

or

npm run android:release

Development workflow

When developing the react-native package and testing against the example projects, you will need to change the dependency in the example project's package.json. Rather than "@honeybadger-io/react-native": "latest", you'll want to generate a tarball of the react-native package and install it. For example:

In the react-native folder:

npm run build && npm pack

This will generate a tarball. Install it in an example project by updating package.json, for example:

"@honeybadger-io/react-native": "file:../../honeybadger-io-react-native-5.1.6.tgz"

Then run npm install within the example project.

If you notice that your changes are not being picked up, there may be a caching issue. You can bust this by renaming the tarball to a unique name and re-installing it.

License

The Honeybadger React Native library is MIT-licensed. See the MIT-LICENSE file in this folder for details.

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Package last updated on 26 Jun 2024

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