RN-Device-name-bridge

/////////////////
// BRIDGE
/////////////////

//  Device.h
@import UIKit;
#import <React/RCTBridgeModule.h>

@interface Device : NSObject <RCTBridgeModule>

@end

//  Device.m
#import "Device.h"

@implementation Device
RCT_EXPORT_MODULE()

RCT_EXPORT_METHOD(deviceName:(RCTResponseSenderBlock)callback) {
  NSString *deviceName = [[UIDevice currentDevice] name];
  callback(@[deviceName]);
}
@end
  
/////////////////
// JS
/////////////////
var Device = require('react-native').NativeModules.Device;
Device.deviceName( (name) => {
  console.log(name) 
});