react-native-firebase/lib/utils/native.js

68 lines
1.9 KiB
JavaScript

/*
* @flow
*/
import { NativeModules } from 'react-native';
import { initialiseNativeModuleEventEmitter } from './events';
import INTERNALS from './internals';
import type ModuleBase from './ModuleBase';
import type { FirebaseModuleConfig } from '../types';
// Firebase Native SDKs that support multiple app instances
const MULTI_APP_MODULES = [
'RNFirebaseAuth',
'RNFirebaseDatabase',
'RNFirebaseFirestore',
'RNFirebaseStorage',
];
const NATIVE_MODULES: { [string]: Object } = {};
/**
* Prepends appName arg to all native method calls
* @param appName
* @param NativeModule
*/
const nativeWithApp = (appName: string, NativeModule: Object): Object => {
const native = {};
const methods = Object.keys(NativeModule);
for (let i = 0, len = methods.length; i < len; i++) {
const method = methods[i];
native[method] = (...args) => {
return NativeModule[method](...[appName, ...args]);
};
}
return native;
};
const getModuleKey = (module: ModuleBase): string => `${module.app.name}:${module.namespace}`;
export const getNativeModule = (module: ModuleBase): Object => {
const key = getModuleKey(module);
return NATIVE_MODULES[key];
};
export const initialiseNativeModule = (module: ModuleBase, config: FirebaseModuleConfig): Object => {
const { moduleName, namespace } = config;
const nativeModule = NativeModules[moduleName];
const key = getModuleKey(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
if (!MULTI_APP_MODULES.includes(moduleName)) {
NATIVE_MODULES[key] = nativeModule;
} else {
NATIVE_MODULES[key] = nativeWithApp(module.app.name, nativeModule);
}
initialiseNativeModuleEventEmitter(module, config);
return NATIVE_MODULES[key];
};