Provide convient init for different gradient types

Sources/GradientBuilder/AngularGradientBuilder.swift

@@ -0,0 +1,26 @@
+//
+//  AngularGradientBuilder.swift
+//
+//
+//  Created by Chen Hai Teng on 1/25/24.
+//
+
+import SwiftUI
+
+public extension AngularGradient {
+    init(center: UnitPoint = .center, angle: Angle = .zero, @GradientBuilder _ builder: ()-> Gradient ) {
+        self.init(gradient: builder(), center: center, angle: angle)
+    }
+
+    init(center: UnitPoint = .center, startAngle: Angle = .zero, endAngle: Angle = .zero, @GradientBuilder _ builder: ()-> Gradient) {
+        self.init(gradient: builder(), center: center, startAngle: startAngle, endAngle: endAngle)
+    }
+}
+
+#Preview {
+    AngularGradient {
+        Color.red
+        Color.green
+        Color.blue
+    }
+}

Sources/GradientBuilder/EllipticalGradientBuilder.swift

@@ -0,0 +1,30 @@
+//
+//  EllipticalGradientBuilder.swift
+//
+//
+//  Created by Chen Hai Teng on 1/25/24.
+//
+
+import SwiftUI
+
+@available(iOS 15.0, macOS 12.0, tvOS 15.0, watchOS 8.0, *)
+public extension EllipticalGradient {
+    init(center: UnitPoint = .center, startRadiusFraction: CGFloat = 0.0, endRadiusFraction: CGFloat = 0.5, @GradientBuilder _ builder: () -> Gradient) {
+        self.init(gradient: builder(), center: center, startRadiusFraction: startRadiusFraction, endRadiusFraction: endRadiusFraction)
+    }
+}
+
+#Preview {
+    VStack {
+        if #available(iOS 15.0, macOS 12.0, tvOS 15.0, watchOS 8.0, *) {
+            EllipticalGradient {
+                Color.red
+                Color.green
+                Color.blue
+            }
+        } else {
+            // Fallback on earlier versions
+            Text("EllipticalGradient unavailable")
+        }
+    }
+}

Sources/GradientBuilder/GradientBuilder.swift

@@ -163,3 +163,9 @@ extension GradientBuilder { // Availablity
         return component
     }
 }
+
+public extension Gradient {
+    init(@GradientBuilder _ builder: ()-> Gradient) {
+        self = builder()
+    }
+}

Sources/GradientBuilder/LinearGradientBuilder.swift

@@ -0,0 +1,22 @@
+//
+//  LinearGradientBuilder.swift
+//
+//
+//  Created by Chen Hai Teng on 1/25/24.
+//
+
+import SwiftUI
+
+public extension LinearGradient {
+    init(startPoint: UnitPoint = .leading, endPoint: UnitPoint = .trailing, @GradientBuilder _ builder: () -> Gradient) {
+        self.init(gradient: builder(), startPoint: startPoint, endPoint: endPoint)
+    }
+}
+
+#Preview {
+    LinearGradient {
+        Color.red
+        Color.green
+        Color.blue
+    }
+}

Sources/GradientBuilder/RadialGradientBuilder.swift

@@ -0,0 +1,22 @@
+//
+//  RadialGradientBuilder.swift
+//
+//
+//  Created by Chen Hai Teng on 1/25/24.
+//
+
+import SwiftUI
+
+public extension RadialGradient {
+    init(center: UnitPoint = .center, startRadius: CGFloat = 0.0, endRadius: CGFloat = 100.0, @GradientBuilder _ builder: () -> Gradient) {
+        self.init(gradient: builder(), center: center, startRadius: startRadius, endRadius: endRadius)
+    }
+}
+
+#Preview {
+    RadialGradient {
+        Color.red
+        Color.green
+        Color.blue
+    }
+}