TypeFormHelper.swift

import UIKit

class TypeFormHelper: NSObject {
    
    struct Constants {
        static let typeFormUrl = "yourTypeformUrl"
        static let formSubmissionHandler = "formSubmitted"
        static let TypeForm = "TypeForm"
        static let html = "html"
    }
    
    static func getTypeFormScript(urlString: String, messageHandlerName: String) -> String {
        return """
        const embedElement = document.querySelector('iframe') // NOTE: `.target-dom-node` is the target DOM element from your website or web app
        
        typeformEmbed.makeWidget(
            embedElement,
            '\(urlString)', // NOTE: Replace with your typeform URL
            {
                hideHeaders: true,
                hideFooter: true,
                opacity: 75,
                onSubmit: function () {
                    window.webkit.messageHandlers.\(messageHandlerName).postMessage("Form Submitted");
                }
        }
        )
        """
    }
    
    static func getTypeFormHtml() -> String? {
        let htmlFile = Bundle.main.path(forResource: Constants.TypeForm, ofType: Constants.html)
        let html = try? String(contentsOfFile: htmlFile!, encoding: String.Encoding.utf8)
        return html
    }

}