[GitHub] [incubator-weex] myeveryheart opened a new issue #2333: [iOS][Dev-tool] App crash when JSDebug where weex version is 0.20.1

[GitBox <gi...@apache.org>]

myeveryheart opened a new issue #2333: [iOS][Dev-tool] App crash when JSDebug where weex version is 0.20.1
URL: https://github.com/apache/incubator-weex/issues/2333
 
 
   In WeexSDK-WXUtility.m, there's 
   `+ (NSString *)JSONString:(id)object
   {
       if(!object) return nil;
       
       @try {
       
           NSError *error = nil;
           if ([object isKindOfClass:[NSArray class]] || [object isKindOfClass:[NSDictionary class]]) {
               NSData *data = [NSJSONSerialization dataWithJSONObject:object
                                                              options:NSJSONWritingPrettyPrinted
                                                                error:&error];
               if (error) {
                   WXLogError(@"%@", [error description]);
                   return nil;
               }
               
               return [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
           
           } else if ([object isKindOfClass:[NSString class]]) {
               NSArray *array = @[object];
               NSData *data = [NSJSONSerialization dataWithJSONObject:array
                                                              options:NSJSONWritingPrettyPrinted
                                                                error:&error];
               if (error) {
                   WXLogError(@"%@", [error description]);
                   return nil;
               }
               
               NSString *string = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
               if (string.length <= 4) {
                   WXLogError(@"json convert length less than 4 chars.");
                   return nil;
               }
               
               return [string substringWithRange:NSMakeRange(2, string.length - 4)];
           } else {
               WXLogError(@"object isn't avaliable class");
               return nil;
           }
           
       } @catch (NSException *exception) {
           return nil;
       }
   }`

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