react-native-firebase-for-netmera/dist/utils/native.js

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import { NativeModules } from 'react-native';
import { initialiseNativeModuleEventEmitter } from './events';
import INTERNALS from './internals';
const NATIVE_MODULES = {};
/**
 * Prepends all arguments in prependArgs to all native method calls
 * @param NativeModule
 * @param argToPrepend
 */

const nativeWithArgs = (NativeModule, argToPrepend) => {
  const native = {};
  const methods = Object.keys(NativeModule);

  for (let i = 0, len = methods.length; i < len; i++) {
    const method = methods[i];

    if (typeof NativeModule[method] === 'function') {
      native[method] = (...args) => NativeModule[method](...[...argToPrepend, ...args]);
    } else {
      native[method] = NativeModule[method];
    }
  }

  return native;
};

const nativeModuleKey = module => `${module._customUrlOrRegion || module.app.name}:${module.namespace}`;

export const getNativeModule = module => NATIVE_MODULES[nativeModuleKey(module)];
export const initialiseNativeModule = (module, config, customUrlOrRegion) => {
  const {
    moduleName,
    hasMultiAppSupport,
    hasCustomUrlSupport,
    hasRegionsSupport,
    namespace
  } = config;
  const nativeModule = NativeModules[moduleName];
  const key = nativeModuleKey(module);

  if (!nativeModule && namespace !== 'utils') {
    throw new Error(INTERNALS.STRINGS.ERROR_MISSING_MODULE(namespace, moduleName));
  } // used by the modules that extend ModuleBase
  // to access their native module counterpart


  const argToPrepend = [];

  if (hasMultiAppSupport) {
    argToPrepend.push(module.app.name);
  }

  if (hasCustomUrlSupport || hasRegionsSupport) {
    argToPrepend.push(customUrlOrRegion);
  }

  if (argToPrepend.length) {
    NATIVE_MODULES[key] = nativeWithArgs(nativeModule, argToPrepend);
  } else {
    NATIVE_MODULES[key] = nativeModule;
  }

  initialiseNativeModuleEventEmitter(module, config);
  return NATIVE_MODULES[key];
};