react-native-vector-icons/lib/ensure-native-module-available.js

Customizable Icons for React Native with support for NavBar/TabBar/ToolbarAndroid, image source and full styling.

import { Platform, NativeModules } from './react-native';

const NativeIconAPI =
  NativeModules.RNVectorIconsManager || NativeModules.RNVectorIconsModule;

export default function ensureNativeModuleAvailable() {
  if (!NativeIconAPI) {
    if (Platform.OS === 'android') {
      throw new Error(
        'RNVectorIconsModule not available, did you properly integrate the module? Try running `react-native link react-native-vector-icons` and recompiling.'
      );
    }
    throw new Error(
      'RNVectorIconsManager not available, did you add the library to your project and link with libRNVectorIcons.a? Try running `react-native link react-native-vector-icons` and recompiling.'
    );
  }
}