react-native-quick-crypto/lib/module/NativeQuickCrypto/NativeQuickCrypto.js

A fast implementation of Node's `crypto` module written in C/C++ JSI

"use strict";

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

// global func declaration for JSI functions

// Check if the constructor exists. If not, try installing the JSI bindings.
// @ts-expect-error this may not exist on global object
if (global.__QuickCryptoProxy == null) {
  // Get the native QuickCrypto ReactModule
  const QuickCryptoModule = NativeModules.QuickCrypto;
  if (QuickCryptoModule == null) {
    let message = 'Failed to install react-native-quick-crypto: The native `QuickCrypto` Module could not be found.';
    message += '\n* Make sure react-native-quick-crypto is correctly autolinked (run `npx react-native config` to verify)';
    if (Platform.OS === 'ios' || Platform.OS === 'macos') {
      message += '\n* Make sure you ran `pod install` in the ios/ directory.';
    }
    if (Platform.OS === 'android') {
      message += '\n* Make sure gradle is synced.';
    }
    // check if Expo
    const ExpoConstants = NativeModules.NativeUnimoduleProxy?.modulesConstants?.ExponentConstants;
    if (ExpoConstants != null) {
      if (ExpoConstants.appOwnership === 'expo') {
        // We're running Expo Go
        throw new Error('react-native-quick-crypto is not supported in Expo Go! Use EAS (`expo prebuild`) or eject to a bare workflow instead.');
      } else {
        // We're running Expo bare / standalone
        message += '\n* Make sure you ran `expo prebuild`.';
      }
    }
    message += '\n* Make sure you rebuilt the app.';
    throw new Error(message);
  }

  // see #333, commenting this may allow the library to work in new architecture
  // // Check if we are running on-device (JSI)
  // if (global.nativeCallSyncHook == null || QuickCryptoModule.install == null) {
  //   throw new Error(
  //     'Failed to install react-native-quick-crypto: React Native is not running on-device. QuickCrypto can only be used when synchronous method invocations (JSI) are possible. If you are using a remote debugger (e.g. Chrome), switch to an on-device debugger (e.g. Flipper) instead.',
  //   );
  // }

  // Call the synchronous blocking install() function
  const result = QuickCryptoModule.install();
  if (result !== true) throw new Error(`Failed to install react-native-quick-crypto: The native QuickCrypto Module could not be installed! Looks like something went wrong when installing JSI bindings: ${result}`);

  // Check again if the constructor now exists. If not, throw an error.
  // @ts-expect-error this may not exist on global object
  if (global.__QuickCryptoProxy == null) throw new Error('Failed to install react-native-quick-crypto, the native initializer function does not exist. Are you trying to use QuickCrypto from different JS Runtimes?');
}

// @ts-expect-error this may not exist on global object
const proxy = global.__QuickCryptoProxy;
export const NativeQuickCrypto = proxy;
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