expo-modules-core/src/ensureNativeModulesAreInstalled.native.ts

The core of Expo Modules architecture

import { TurboModuleRegistry } from 'react-native';

/**
 * Ensures that the native modules are installed in the current runtime.
 * Otherwise, it synchronously calls a native function that installs them.
 */
export function ensureNativeModulesAreInstalled(): void {
  if (globalThis.expo) {
    return;
  }

  try {
    // TODO: ExpoModulesCore shouldn't be optional here,
    // but to keep backwards compatibility let's just ignore it in SDK 50.
    // In most cases the modules were already installed from the native side.
    (
      TurboModuleRegistry.get('ExpoModulesCore') as { installModules: () => void } | null
    )?.installModules();
  } catch (error) {
    console.error(`Unable to install Expo modules: ${error}`);
  }
}