75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
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/*
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* @flow
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*/
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import { NativeModules } from 'react-native';
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import { initialiseNativeModuleEventEmitter } from './events';
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import INTERNALS from './internals';
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import type ModuleBase from './ModuleBase';
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import type { FirebaseModuleConfig } from '../types';
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const NATIVE_MODULES: { [string]: Object } = {};
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/**
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* Prepends all arguments in prependArgs to all native method calls
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* @param NativeModule
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* @param argToPrepend
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*/
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const nativeWithArgs = (
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NativeModule: Object,
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argToPrepend: Array<mixed>
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): Object => {
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const native = {};
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const methods = Object.keys(NativeModule);
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for (let i = 0, len = methods.length; i < len; i++) {
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const method = methods[i];
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native[method] = (...args) =>
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NativeModule[method](...[...argToPrepend, ...args]);
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}
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return native;
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};
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const nativeModuleKey = (module: ModuleBase): string =>
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`${module._serviceUrl || module.app.name}:${module.namespace}`;
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export const getNativeModule = (module: ModuleBase): Object =>
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NATIVE_MODULES[nativeModuleKey(module)];
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export const initialiseNativeModule = (
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module: ModuleBase,
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config: FirebaseModuleConfig,
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serviceUrl: ?string
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): Object => {
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const { moduleName, multiApp, hasShards, namespace } = config;
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const nativeModule = NativeModules[moduleName];
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const key = nativeModuleKey(module);
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if (!nativeModule && namespace !== 'utils') {
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throw new Error(
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INTERNALS.STRINGS.ERROR_MISSING_MODULE(namespace, moduleName)
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);
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}
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// used by the modules that extend ModuleBase
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// to access their native module counterpart
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const argToPrepend = [];
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if (multiApp) {
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argToPrepend.push(module.app.name);
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}
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if (hasShards) {
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argToPrepend.push(serviceUrl);
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}
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if (argToPrepend.length) {
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NATIVE_MODULES[key] = nativeWithArgs(nativeModule, argToPrepend);
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} else {
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NATIVE_MODULES[key] = nativeModule;
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}
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initialiseNativeModuleEventEmitter(module, config);
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return NATIVE_MODULES[key];
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};
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