react-native-navigation/lib/ios/RNNErrorHandler.m

#import "RNNErrorHandler.h"

static NSString* const domain = @"com.reactnativenavigation";

@implementation RNNErrorHandler

+ (void)reject:(RCTPromiseRejectBlock)reject withErrorCode:(NSInteger)errorCode errorDescription:(NSString*)errorDescription {
	NSError *error = [NSError errorWithDomain:domain code:errorCode userInfo:@{NSLocalizedFailureReasonErrorKey: errorDescription}];
	if (reject) {
		reject([NSString stringWithFormat:@"%ld", (long)errorCode], errorDescription, error);
	}
}

+ (NSString *)getCallerFunctionName {
	NSString *sourceString = [[NSThread callStackSymbols] objectAtIndex:2];
	NSCharacterSet *separatorSet = [NSCharacterSet characterSetWithCharactersInString:@" -[]+?.,"];
	NSMutableArray *array = [NSMutableArray arrayWithArray:[sourceString  componentsSeparatedByCharactersInSet:separatorSet]];
	[array removeObject:@""];
	return [[[array objectAtIndex:4] componentsSeparatedByString:@":"] objectAtIndex:0];
}

@end