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From macOS 12+ / iOS 15+ / tvOS 15+ / watchOS 8+, you can use AttributedString with the SwiftUI Text view.

AttributedText

AttributedText is a Swift µpackage that provides NSAttributedString rendering in SwiftUI by wrapping either an NSTextView or a UITextView depending on the platform.

Supported Platforms

macOS 11.0+
iOS 14.0+
tvOS 14.0+

Usage

import AttributedText
import SwiftUI

struct ContentView: View {
  var body: some View {
    AttributedText {
      let result = NSMutableAttributedString(
        string: """
          After the Big Bang
          A brief summary of time
          Life on earth
          10 billion years
          You reading this
          13.7 billion years
          """
      )

      result.addAttributes(
        [.font: UIFont.preferredFont(forTextStyle: .title1)],
        range: NSRange(location: 0, length: 18)
      )
      result.addAttributes(
        [.link: URL(string: "https://en.wikipedia.org/wiki/Big_Bang")!],
        range: NSRange(location: 10, length: 8)
      )
      result.addAttributes(
        [.font: UIFont.preferredFont(forTextStyle: .body)],
        range: NSRange(location: 19, length: 23)
      )
      result.addAttributes(
        [.font: UIFont.preferredFont(forTextStyle: .title2)],
        range: NSRange(location: 43, length: 13)
      )
      result.addAttributes(
        [.font: UIFont.preferredFont(forTextStyle: .body)],
        range: NSRange(location: 57, length: 16)
      )
      result.addAttributes(
        [.font: UIFont.preferredFont(forTextStyle: .title2)],
        range: NSRange(location: 74, length: 16))
      result.addAttributes(
        [.font: UIFont.preferredFont(forTextStyle: .body)],
        range: NSRange(location: 91, length: 18)
      )

      return result
    }
    .background(Color.gray.opacity(0.5))
    .accentColor(.purple)
  }
}

An AttributedText view takes all the available width and adjusts its height to fit the contents.

To change the text alignment or line break mode, you need to add a .paragraphStyle attribute to the attributed string.

Installation

You can add AttributedText to an Xcode project by adding it as a package dependency.

From the File menu, select Swift Packages › Add Package Dependency…
Enter https://github.com/gonzalezreal/AttributedText into the package repository URL text field
Link AttributedText to your application target

License

gonzalezreal/AttributedText

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