...
dependencies: [
  .package(url: "https://github.com/ZhgChgLi/ZNSTextAttachment.git", from: "1.1.6"),
]
...
.target(
    ...
    dependencies: [
        "ZNSTextAttachment",
    ],
    ...
)

// ZNSTextAttachment with placeHolder Image
let attachment = ZNSTextAttachment(imageURL: URL(string: "https://zhgchg.li/assets/a5643de271e4/1*A0yXupXW9-F9ZWe4gp2ObA.jpeg")!, imageWidth: 300, placeholderImage: UIImage(systemName: "viewfinder.circle.fill")?.withTintColor(.red, renderingMode: .alwaysOriginal))

let attributedString = NSMutableAttributedString()
attributedString.append(NSAttributedString(string: "ZMarkupParser is a pure-Swift library that helps you to convert HTML strings to NSAttributedString with customized style and tags.\n"))
attributedString.append(NSAttributedString(string: "-  Parse HTML strings using pure-Swift and regular expressions.\n"))
attributedString.append(NSAttributedString(attachment: attachment))
        
attachment.dataSource = self // if not assign, will use URLSession as default
attachment.delegate = self
        
// UITextView:
textView.attributedText = attributedString

// ZNSTextAttachmentLabel, auto binding
label.attributedText = attributedString

// UILabel
attachment.register(label) // need binding
label.attributedText = attributedString