prewarm URLs in onPressIn

modules/url-prewarm/ios/UrlPrewarmModule.swift

@@ -0,0 +1,13 @@
+import ExpoModulesCore
+import SafariServices
+
+public class UrlPrewarmModule: Module {
+  public func definition() -> ModuleDefinition {
+    Name("UrlPrewarm")
+
+    AsyncFunction("prewarmUrlsAsync") { (urls: [String]) in
+      let validUrls = urls.compactMap { URL(string: $0) }
+      SFSafariViewController.prewarmConnections(to: validUrls)
+    }
+  }
+}