adamgraham

/// An extension to provide conversion to and from CIE xyY colors.
extension UIColor {

    /// The CIE xyY components of a color - luminance (Y) and chromaticity (x,y).
    struct CIExyY: Hashable {

        /// The x-axis chromaticity coordinate of the color, in the range [0, 1].
        var x: CGFloat
        /// The y-axis chromaticity coordinate of the color, in the range [0, 1].
        var y: CGFloat

adamgraham

/// An extension to format strings in *kebab case*.
extension String {
  
    /// A collection of all the words in the string by separating out any punctuation and spaces.
    var words: [String] {
        return components(separatedBy: CharacterSet.alphanumerics.inverted).filter { !$0.isEmpty }
    }

    /// Returns a lowercased copy of the string with punctuation removed and spaces replaced
    /// by a single hyphen, e.g., "the-quick-brown-fox-jumps-over-the-lazy-dog".

adamgraham

/// An extension to format strings in *snake case*.
extension String {
  
    /// A collection of all the words in the string by separating out any punctuation and spaces.
    var words: [String] {
        return components(separatedBy: CharacterSet.alphanumerics.inverted).filter { !$0.isEmpty }
    }

    /// Returns a lowercased copy of the string with punctuation removed and spaces replaced
    /// by a single underscore, e.g., "the_quick_brown_fox_jumps_over_the_lazy_dog".

adamgraham

/// An extension to format strings in *camel case*.
extension String {
  
    /// A collection of all the words in the string by separating out any punctuation and spaces.
    var words: [String] {
        return components(separatedBy: CharacterSet.alphanumerics.inverted).filter { !$0.isEmpty }
    }

    /// Returns a copy of the string with the first word beginning lowercased, and the first
    /// letter of each word thereafter is capitalized, with no intervening spaces or punctuation,

adamgraham

protocol DesignableShadow {

    var shadowColor: UIColor? { get set }
    var shadowOffset: CGSize { get set }
    var shadowRadius: CGFloat { get set }
    var shadowOpacity: Float { get set }

}

@IBDesignable extension UIView: DesignableShadow {

adamgraham

protocol DesignableBorder {

    var cornerRadius: CGFloat { get set }
    var borderWidth: CGFloat { get set }
    var borderColor: UIColor? { get set }

}

@IBDesignable extension UIView: DesignableBorder {

adamgraham

/// An extension to provide conversion to and from RGBA (red, green, blue, alpha) colors.
extension UIColor {

    /// The RGBA (red, green, blue, alpha) components of a color, in the range [0, 255].
    struct RGBA: Hashable {

        /// The red component of the color, in the range [0, 255].
        var red: Int
        /// The green component of the color, in the range [0, 255].
        var green: Int

adamgraham

/// An extension to provide conversion to and from ARGB (alpha, red, green, blue) colors.
extension UIColor {

    /// The ARGB (alpha, red, green, blue) components of a color, in the range [0, 255].
    struct ARGB: Hashable {

        /// The alpha component of the color, in the range [0, 255].
        var alpha: Int
        /// The red component of the color, in the range [0, 255].
        var red: Int

adamgraham

/// An extension to provide conversion to and from HSV (hue, saturation, value) colors.
extension UIColor {

    /// The HSV (hue, saturation, value) components of a color.
    struct HSV: Hashable {

        /// The hue component of the color, in the range [0, 360°].
        var hue: CGFloat
        /// The saturation component of the color, in the range [0, 100%].
        var saturation: CGFloat

adamgraham

/// An extension to provide conversion to and from CIELAB colors.
extension UIColor {

    /// The CIELAB components of a color - lightness (L) and chromaticity (a,b).
    struct CIELAB: Hashable {

        /// The lightness component of the color, in the range [0, 100] (darkest to brightest).
        var L: CGFloat
        /// The green-red chromaticity component of the color, typically in the range [-128, 128].
        var a: CGFloat