react-native/React/Base/RCTJSMethodRegistrar.h

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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <Foundation/Foundation.h>
@class RCTBridge;
/**
* Provides an interface to register JS methods to be called via the bridge.
*/
@protocol RCTJSMethodRegistrar <NSObject>
@optional
/**
* An array of JavaScript methods that the class will call via the
* -[RCTBridge enqueueJSCall:args:] method. Each method should be specified
* as a string of the form "JSModuleName.jsMethodName". Attempting to call a
* method that has not been registered will result in an error. If a method
* has already been registered by another class, it is not necessary to
* register it again, but it is good practice. Registering the same method
* more than once is silently ignored and will not result in an error.
*/
+ (NSArray *)JSMethods;
@end