first commit

node_modules/expo-constants/ios/ConstantsModule.swift

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+import ExpoModulesCore
+#if !os(tvOS)
+import WebKit
+#endif
+
+public class ConstantsModule: Module {
+  private lazy var constants = appContext?.constants?.constants() as? [String: Any] ?? [:]
+
+  public func definition() -> ModuleDefinition {
+    Name("ExponentConstants")
+
+    Constants {
+      return constants
+    }
+
+    AsyncFunction("getWebViewUserAgentAsync") { () -> String? in
+#if os(tvOS)
+      return nil
+#else
+      let webView = WKWebView()
+      return webView.value(forKey: "userAgent") as? String
+#endif
+    }.runOnQueue(.main)
+  }
+}