68 lines
2.2 KiB
JavaScript
68 lines
2.2 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule NativeModules
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* @flow
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*/
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'use strict';
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const BatchedBridge = require('BatchedBridge');
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const RemoteModules = BatchedBridge.RemoteModules;
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function normalizePrefix(moduleName: string): string {
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return moduleName.replace(/^(RCT|RK)/, '');
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}
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/**
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* Dirty hack to support old (RK) and new (RCT) native module name conventions.
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*/
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Object.keys(RemoteModules).forEach((moduleName) => {
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const strippedName = normalizePrefix(moduleName);
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if (RemoteModules['RCT' + strippedName] && RemoteModules['RK' + strippedName]) {
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throw new Error(
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'Module cannot be registered as both RCT and RK: ' + moduleName
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);
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}
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if (strippedName !== moduleName) {
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RemoteModules[strippedName] = RemoteModules[moduleName];
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delete RemoteModules[moduleName];
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}
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});
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/**
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* Define lazy getters for each module.
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* These will return the module if already loaded, or load it if not.
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*/
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const NativeModules = {};
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Object.keys(RemoteModules).forEach((moduleName) => {
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Object.defineProperty(NativeModules, moduleName, {
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configurable: true,
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enumerable: true,
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get: () => {
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let module = RemoteModules[moduleName];
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if (module && typeof module.moduleID === 'number' && global.nativeRequireModuleConfig) {
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// The old bridge (still used by iOS) will send the config as
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// a JSON string that needs parsing, so we set config according
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// to the type of response we got.
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const rawConfig = global.nativeRequireModuleConfig(moduleName);
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const config = typeof rawConfig === 'string' ? JSON.parse(rawConfig) : rawConfig;
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module = config && BatchedBridge.processModuleConfig(config, module.moduleID);
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RemoteModules[moduleName] = module;
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}
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Object.defineProperty(NativeModules, moduleName, {
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configurable: true,
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enumerable: true,
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value: module,
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});
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return module;
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},
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});
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});
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module.exports = NativeModules;
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