//
//  Copyright SkeletonView. All Rights Reserved.
//
//  Licensed under the MIT License (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//      https://opensource.org/licenses/MIT
//
//  SkeletonExtended.swift
//
//  Created by Juanpe Catalán on 23/8/21.

import Foundation

/// Type that acts as a generic extension point for all `SkeletonViewExtended` types.
public struct SkeletonViewExtension<ExtendedType> {
    /// Stores the type or meta-type of any extended type.
    public private(set) var type: ExtendedType

    /// Create an instance from the provided value.
    ///
    /// - Parameter type: Instance being extended.
    public init(_ type: ExtendedType) {
        self.type = type
    }
}

/// Protocol describing the `sk` extension points for SkeletonView extended types.
public protocol SkeletonViewExtended {
    /// Type being extended.
    associatedtype ExtendedType

    /// Instance SkeletonView extension point.
    var sk: SkeletonViewExtension<ExtendedType> { get set }
}

extension SkeletonViewExtended {
    /// Instance SkeletonView extension point.
    public var sk: SkeletonViewExtension<Self> {
        get { SkeletonViewExtension(self) }
        // swiftlint:disable:next unused_setter_value
        set {}
    }
}