Update EnvironmentHelper API (#122)

Author: Kyle-Ye

Sources/OpenSwiftUI/App/AppGraph.swift

@@ -25,7 +25,7 @@ final class AppGraph: GraphHost {
     }
 
     private lazy var launchProfileOptions = LaunchProfileOptions(
-        rawValue: EnvironmentHelper.value(for: "OPENSWIFTUI_PROFILE_LAUNCH")
+        rawValue: EnvironmentHelper.int32(for: "OPENSWIFTUI_PROFILE_LAUNCH")
     )
 
     var didCollectLaunchProfile: Bool = false

Sources/OpenSwiftUI/Core/Graph/GraphHost.swift

@@ -9,7 +9,7 @@
 internal import COpenSwiftUI
 internal import OpenGraphShims
 
-private let waitingForPreviewThunks = EnvironmentHelper.value(for: "XCODE_RUNNING_FOR_PREVIEWS") != 0
+private let waitingForPreviewThunks = EnvironmentHelper.bool(for: "XCODE_RUNNING_FOR_PREVIEWS")
 private var blockedGraphHosts: [Unmanaged<GraphHost>] = []
 
 class GraphHost {

Sources/OpenSwiftUI/Test/_BenchmarkHost.swift

@@ -12,7 +12,7 @@ import Foundation
 import QuartzCore
 #endif
 
-private let enableProfiler = EnvironmentHelper.value(for: "OPENSWIFTUI_PROFILE_BENCHMARKS") != 0
+private let enableProfiler = EnvironmentHelper.bool(for: "OPENSWIFTUI_PROFILE_BENCHMARKS")
 
 public protocol _BenchmarkHost: AnyObject {
     func _renderForTest(interval: Double)

Sources/OpenSwiftUI/View/Debug/TODO/ViewDebug.swift

@@ -69,7 +69,7 @@ extension _ViewDebug {
     @inline(__always)
     static func instantiateIfNeeded() {
         if !isInitialized {
-            let debugValue = UInt32(bitPattern: EnvironmentHelper.value(for: "OPENSWIFTUI_VIEW_DEBUG"))
+            let debugValue = UInt32(bitPattern: EnvironmentHelper.int32(for: "OPENSWIFTUI_VIEW_DEBUG"))
             properties = Properties(rawValue: debugValue)
             isInitialized = true
         }

Sources/OpenSwiftUI/Core/Util/EnvironmentHelper.swift renamed to Sources/OpenSwiftUICore/Util/EnvironmentHelper.swift

@@ -1,3 +1,10 @@
+//
+//  EnvironmentHelper.swift
+//  OpenSwiftUICore
+//
+//  Audited for RELEASE_2024
+//  Status: Complete
+
 #if canImport(Darwin)
 import Darwin
 #elseif canImport(Glibc)
@@ -8,15 +15,19 @@ import WASILibc
 #error("Unsupported Platform")
 #endif
 
-enum EnvironmentHelper {
+package enum EnvironmentHelper {
     @_transparent
-    @inline(__always)
-    static func value(for key: String) -> Int32 {
+    package static func int32(for key: String) -> Int32 {
         key.withCString { string in
             guard let env = getenv(string) else {
                 return 0
             }
             return atoi(env)
-        }        
+        }
+    }
+    
+    @_transparent
+    package static func bool(for key: String) -> Bool {
+        int32(for: key) != 0
     }
 }