mirror of
https://github.com/zhigang1992/react-native.git
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f37093319b
Summary:
TurboModules depend on a getConstants method. Existing ObjectiveC modules do not have this method. Therefore, I moved the contents of `constantsToExport` to `getConstants` and then had `constantsToExports` call `getConstants`.
facebook
Since all NativeModules will eventually need to be migrated to the TurboModule system, I didn't restrict this to just the NativeModules in Marketplace.
```
const fs = require('fs');
if (process.argv.length < 3) {
throw new Error('Expected a file containing a list of native modules as the third param');
}
function read(filename) {
return fs.readFileSync(filename, 'utf8');
}
const nativeModuleFilenames = read(process.argv[2]).split('\n').filter(Boolean);
nativeModuleFilenames.forEach((fileName) => {
if (fileName.endsWith('.h')) {
return;
}
const absPath = `${process.env.HOME}/${fileName}`;
const fileSource = read(absPath);
if (/(\n|^)-\s*\((.+)\)getConstants/.test(fileSource)) {
return;
}
const constantsToExportRegex = /(\n|^)-\s*\((.+)\)constantsToExport/;
const result = constantsToExportRegex.exec(fileSource);
if (result == null) {
throw new Error(`Didn't find a constantsToExport function inside NativeModule ${fileName}`);
}
const returnType = result[2];
const newFileSource = fileSource.replace(
constantsToExportRegex,
'$1- ($2)constantsToExport\n' +
'{\n' +
` return ${returnType.includes('ModuleConstants') ? '($2)' : ''}[self getConstants];\n` +
'}\n' +
'\n' +
'- ($2)getConstants'
);
fs.writeFileSync(absPath, newFileSource);
});
```
```
> xbgs -l ')constantsToExport'
```
Reviewed By: fkgozali
Differential Revision: D13951197
fbshipit-source-id: 394a319d42aff466c56a3d748e17c335307a8f47
113 lines
2.5 KiB
Objective-C
113 lines
2.5 KiB
Objective-C
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "RCTSettingsManager.h"
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#import <React/RCTBridge.h>
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#import <React/RCTConvert.h>
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#import <React/RCTEventDispatcher.h>
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#import <React/RCTUtils.h>
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@implementation RCTSettingsManager
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{
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BOOL _ignoringUpdates;
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NSUserDefaults *_defaults;
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}
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@synthesize bridge = _bridge;
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RCT_EXPORT_MODULE()
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+ (BOOL)requiresMainQueueSetup
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{
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return NO;
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}
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- (instancetype)init
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{
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return [self initWithUserDefaults:[NSUserDefaults standardUserDefaults]];
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}
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- (instancetype)initWithUserDefaults:(NSUserDefaults *)defaults
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{
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if ((self = [super init])) {
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_defaults = defaults;
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(userDefaultsDidChange:)
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name:NSUserDefaultsDidChangeNotification
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object:_defaults];
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}
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return self;
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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- (NSDictionary<NSString *, id> *)constantsToExport
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{
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return [self getConstants];
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}
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- (NSDictionary<NSString *, id> *)getConstants
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{
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return @{@"settings": RCTJSONClean([_defaults dictionaryRepresentation])};
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}
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- (void)userDefaultsDidChange:(NSNotification *)note
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{
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if (_ignoringUpdates) {
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return;
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}
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wdeprecated-declarations"
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[_bridge.eventDispatcher
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sendDeviceEventWithName:@"settingsUpdated"
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body:RCTJSONClean([_defaults dictionaryRepresentation])];
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#pragma clang diagnostic pop
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}
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/**
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* Set one or more values in the settings.
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* TODO: would it be useful to have a callback for when this has completed?
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*/
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RCT_EXPORT_METHOD(setValues:(NSDictionary *)values)
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{
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_ignoringUpdates = YES;
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[values enumerateKeysAndObjectsUsingBlock:^(NSString *key, id json, BOOL *stop) {
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id plist = [RCTConvert NSPropertyList:json];
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if (plist) {
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[self->_defaults setObject:plist forKey:key];
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} else {
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[self->_defaults removeObjectForKey:key];
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}
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}];
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[_defaults synchronize];
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_ignoringUpdates = NO;
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}
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/**
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* Remove some values from the settings.
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*/
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RCT_EXPORT_METHOD(deleteValues:(NSArray<NSString *> *)keys)
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{
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_ignoringUpdates = YES;
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for (NSString *key in keys) {
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[_defaults removeObjectForKey:key];
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}
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[_defaults synchronize];
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_ignoringUpdates = NO;
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}
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@end
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