Capture ObjC exceptions. From https://stackoverflow.com/a/36454808/412916

ObjC.h

#import <Foundation/Foundation.h>

@interface ObjC: NSObject
+ (BOOL)catchException:(void(^)(void))tryBlock error:(__autoreleasing NSError **)error;
@end

ObjC.m

#import "ObjC.h"

@implementation ObjC

+ (BOOL)catchException:(void(^)(void))tryBlock error:(__autoreleasing NSError **)error {
    @try {
        tryBlock();
        return YES;
    }
    @catch (NSException *exception) {
        *error = [[NSError alloc] initWithDomain:exception.name code:0 userInfo:exception.userInfo];
        return NO;
    }
}

@end

Usage.swift

/// Return a storyboard for the given name and bundle. Log a console error if not found.
private static func createStoryboard(name: String, bundle: Bundle) -> UIStoryboard? {
    var storyboard: UIStoryboard? = nil
    do {
        try ObjC.catchException {
            storyboard = UIStoryboard(name: name, bundle: bundle)
        }
    } catch {
        print("🚨 Failed to create storyboard \(name): \(error)")
    }
    return storyboard
}