From e12bae8a62100d5b6c1e6beb45ecbd8aac3dc423 Mon Sep 17 00:00:00 2001
From: Dominic Go <dominic@dominicgo.dev>
Date: Fri, 27 Sep 2024 13:49:43 +0800
Subject: [PATCH] =?UTF-8?q?=E2=AD=90=EF=B8=8F=20Impl:=20`ValueInjectable+H?=
 =?UTF-8?q?elpers`?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 ios/Temp/ValueInjectable+Helpers.swift | 48 ++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 ios/Temp/ValueInjectable+Helpers.swift

diff --git a/ios/Temp/ValueInjectable+Helpers.swift b/ios/Temp/ValueInjectable+Helpers.swift
new file mode 100644
index 00000000..e372cae6
--- /dev/null
+++ b/ios/Temp/ValueInjectable+Helpers.swift
@@ -0,0 +1,48 @@
+//
+//  ValueInjectable+Helpers.swift
+//  react-native-ios-modal
+//
+//  Created by Dominic Go on 9/27/24.
+//
+
+import Foundation
+import DGSwiftUtilities
+
+
+public extension ValueInjectable {
+  
+  /// Lazily provides a optional fallback value, and set if needed
+  func getInjectedValue<T, U: RawRepresentable<String>>(
+    forKey key: U,
+    fallbackValueProvider: (() -> T?)? = nil
+  ) -> T? {
+  
+    if let value = self.injectedValues[key.rawValue] as? T {
+      return value;
+    };
+    
+    let fallbackValue = fallbackValueProvider?()
+    guard let fallbackValue = fallbackValue else {
+      return nil;
+    };
+    
+    self.injectedValues[key.rawValue] = fallbackValue;
+    return fallbackValue;
+  };
+  
+  /// Lazily provides a fallback value, and set if needed
+  func getInjectedValue<T, U: RawRepresentable<String>>(
+    forKey key: U,
+    fallbackValueProvider: () -> T
+  ) -> T {
+  
+    if let value = self.injectedValues[key.rawValue] as? T {
+      return value;
+    };
+    
+    let fallbackValue = fallbackValueProvider()
+    self.injectedValues[key.rawValue] = fallbackValue;
+    
+    return fallbackValue;
+  };
+};