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//
//  UINavigationController+PushOneVC.m
//  CNLiveScioLive
//
//  Created by CNLive on 2021/8/27.
//  Copyright © 2021 CNLive. All rights reserved.
//

#import "UINavigationController+PushOneVC.h"
#import <objc/runtime.h>

@implementation UINavigationController (PushOneVC)
+(void)load
{
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        Method origin = class_getInstanceMethod(self, @selector(pushViewController:animated:));
        Method new = class_getInstanceMethod(self, @selector(CN_pushViewController:animated:));
        method_exchangeImplementations(origin, new);
    });
}

-(void)CN_pushViewController:(UIViewController *)viewController animated:(BOOL)animated
{
    if ([self.viewControllers.lastObject isKindOfClass:[viewController class]]) {
        return;
    }
    self.modalPresentationStyle = UIModalPresentationFullScreen;
    [self CN_pushViewController:viewController animated:YES];
}
@end