import SwiftUI public struct ConditionalFontWeight: ViewModifier { let weight: Font.Weight? public init(weight: Font.Weight?) { self.weight = weight } public func body(content: Content) -> some View { if #available(macOS 13.0, *), weight != nil { content.fontWeight(weight) } else { content } } } public extension View { func conditionalFontWeight(_ weight: Font.Weight?) -> some View { self.modifier(ConditionalFontWeight(weight: weight)) } }