WebView for macOS in SwiftUI

WebView.swift

import SwiftUI
import WebKit

struct WebView: NSViewRepresentable {
    typealias NSViewType = WKWebView

    var html: String

    func makeNSView(context: Context) -> WKWebView {
        return WKWebView()
    }

    func updateNSView(_ nsView: WKWebView, context: Context) {
        nsView.loadHTMLString(html, baseURL: nil)
    }
}