Merge pull request #57 from SwiftGraphs/zl/fix-concurrency

Zero concurrency warnings

Author: li3zhen1

Sources/Grape/Modifiers/GraphForegroundScale.swift

@@ -1,32 +1,16 @@
 import SwiftUI
 
-@usableFromInline
-enum GrapeEnvironment { }
-
-@available(*, unavailable)
-extension AnyHashable: @unchecked Sendable { }
-
-extension GrapeEnvironment {
-    @usableFromInline
-    struct GraphForegroundScale: EnvironmentKey, Sendable {
-        @usableFromInline
-        static let defaultValue: [AnyHashable: GraphicsContext.Shading] = [:]
-    }
-}
-
 extension EnvironmentValues {
-    @inlinable
-    var graphForegroundScaleEnvironment: GrapeEnvironment.GraphForegroundScale.Value {
-        get { self[GrapeEnvironment.GraphForegroundScale.self] }
-        set { self[GrapeEnvironment.GraphForegroundScale.self] = newValue }
-    }
+    @usableFromInline
+    @Entry
+    var graphForegroundScaleEnvironment: [AnyHashable: GraphicsContext.Shading] = [:]
 }
 
 @usableFromInline
 struct GraphEnvironmentViewModifier: ViewModifier {
 
     @usableFromInline
-    let colorScale: Dictionary<AnyHashable, GraphicsContext.Shading>
+    let colorScale: [AnyHashable: GraphicsContext.Shading]
 
     @inlinable
     init<DataValue, S>(_ mapping: KeyValuePairs<DataValue, S>) where S: ShapeStyle, DataValue: Hashable {

Sources/Grape/Views/ForceDirectedGraphModel.swift

@@ -3,7 +3,6 @@ import Foundation
 import Observation
 import SwiftUI
 
-// @Observable
 @MainActor
 public final class ForceDirectedGraphModel<Content: GraphContent> {
 
@@ -21,17 +20,6 @@ public final class ForceDirectedGraphModel<Content: GraphContent> {
     @usableFromInline
     var simulationContext: SimulationContext<NodeID>
 
-    // @usableFromInline
-    // internal var _modelTransform: ViewportTransform
-    //  {
-    //     didSet {
-    //         stateMixinRef.modelTransform = modelTransform
-    //     }
-    // }
-
-    //    @usableFromInline
-    //    internal var _modelTransformExtenalBinding: Binding<ViewportTransform>
-
     @inlinable
     internal var modelTransform: ViewportTransform {
         // @storageRestrictions(initializes: _modelTransform)
@@ -128,7 +116,7 @@ public final class ForceDirectedGraphModel<Content: GraphContent> {
     let ticksPerSecond: Double
 
     @usableFromInline
-    @MainActor
+//    @MainActor
     var scheduledTimer: Timer? = nil
 
     @usableFromInline
@@ -268,8 +256,9 @@ public final class ForceDirectedGraphModel<Content: GraphContent> {
 
     @inlinable
     deinit {
-        self.scheduledTimer?.invalidate()
-        self.scheduledTimer = nil
+        _ = MainActor.assumeIsolated {
+            scheduledTimer?.invalidate()
+        }
     }
 
     @usableFromInline