func importButtonTapped()

in SampleApp/RootViewController.swift [56:72]

• 17 lines of code
• 4 McCabe index (conditional complexity)

    func importButtonTapped() {
        if let data = (specializedView.textView.text ?? "").data(using: .utf8) {
            switch VectorDrawable.create(from: data) {
            case .ok(let drawable):
                navigationController
                    .orAssert("This view controller requires a navigation controller to function correctly")?
                    .pushViewController(DisplayViewController(drawable: drawable,
                                                              theme: theme,
                                                              resources: resources),
                                        animated: true)
            case .error(let error):
                showError(message: error)
            }
        } else {
            showError(message: "Couldn't convert the text to UTF-8.")
        }
    }