Function fileNameFromFontName has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

func fileNameFromFontName(fontName: String) -> String? {
    let fm = FileManager.default
    let path = Bundle.main.resourcePath!
    
    let directoryItems = try? fm.contentsOfDirectory(atPath: path)

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Function sendEvent has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

    public func sendEvent(name: String, complete: ((Survey?, Error?) -> Void)? = nil) {
        guard self.api != nil else {
            if let callback = complete {
                callback(nil, IterateError.invalidAPIKey)
            }

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Function encode has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

Open

    public func encode(to encoder: Encoder) throws {
        if let date = value as? Date {
            let timestamp = Int(date.timeIntervalSince1970)
            var container = encoder.container(keyedBy: DateCodingKeys.self)
            try container.encode("date", forKey: DateCodingKeys.type)

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Function performDataTask has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    func performDataTask<T: Codable>(request: URLRequest, completion: @escaping (T?, Error?) -> Void) {
        let task = URLSession.shared.dataTask(with: request) { (data, response, error) in
            DispatchQueue.main.async {
                guard error == nil else {
                    print("Error calling the Iterate API: \(String(describing: error))")

Function prepareStyle has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    private func prepareStyle() {
        guard let promptButton = promptButton else {
            return
        }
        

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Function fontNamesFromFile has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

func fontNamesFromFile(for file: URL) -> [String]? {
    var fontNames: [String] = []

    guard let data = try? Data(contentsOf: file) else {
        return nil

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Avoid too many return statements within this function.

Open

        return nil

Function visitImage has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    mutating public func visitImage(_ image: Image) -> NSAttributedString {
        guard let urlString = image.source, let url = URL(string: urlString) else {
            return NSMutableAttributedString()
        }
        

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Function getPresentingViewController has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    func getPresentingViewController() -> UIViewController? {
        // Find the first key window that is not our own passthrough window
        var window = UIApplication.shared.windows.first { $0.isKeyWindow && $0 != self.window }
        // If we didn't find one, get the first non-key window since our window may be key (happens in iOS 14.2)
        if window == nil {

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Function webView has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
        guard let url = navigationAction.request.url else {
            decisionHandler(.cancel)
            return
        }

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