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marty-suzuki/DuctTape
📦 KeyPath dynamicMemberLookup based syntax sugar for Swift.
.package(url: "https://github.com/marty-suzuki/DuctTape.git", from: "0.2.0")

DuctTape

CI Status Pod CarthageSwiftPM
Swift5 Platform License

📦 KeyPath dynamicMemberLookup based syntax sugar for Swift.

let label: UILabel = UILabel().ductTape
    .numberOfLines(0)
    .textColor(.red)
    .text("Hello, World!!")

Above is same as below definition.

let label: UILabel = {
    let label = UILabel()
    label.numberOfLines = 0
    label.textColor = .red
    label.text = "Hello, World!!"
    return label
}()

Usage

NSObject already has been compatible with DuctTape, so you can access .ductTape property like below.

let builder: Builder<UIView> = UIView().ductTape

If you access .ductTape, it returns Builder that provides setter of properties via KeyPath dynamicMemberLookup.

let view: UIView = UIView().ductTape
    .backgroundColor(.red)
    .translatesAutoresizingMaskIntoConstraints(false)

How to access methods

If you want to access methods of object which is building, func reinforce(_ handler: (Base) -> Void) Builder<Base> enable to access methods.

let collectionView: UICollectionView = UICollectionView().ductTape
    .backgroundColor(.red)
    .reinforce { collectionView in
        collectionView.register(UITableViewCell.self, forCellWithReuseIdentifier: "Cell")
    }

Builder has func reinforce<T1, ...>(_ t1: T1, ..., handler: (Base) -> Void) Builder<Base> methods. In additional usage, be able to access outside object with func reinforce if passing objects as arguments.

lazy var collectionView: UICollectionView = UICollectionView().ductTape
    .translatesAutoresizingMaskIntoConstraints(false)
    .reinforce(view) { collectionView, view in
        view.addSubview(collectionView)
        NSLayoutConstraint.activate([
            view.topAnchor.constraint(equalTo: collectionView.topAnchor),
            view.leadingAnchor.constraint(equalTo: collectionView.leadingAnchor),
            view.trailingAnchor.constraint(equalTo: collectionView.trailingAnchor),
            view.bottomAnchor.constraint(equalTo: collectionView.bottomAnchor)
        ])
    }

How to use DuctTape with self-implemented classes

There are two ways to use DuctTape.

  1. Use DuctTapeCompatible
class Dog: DuctTapeCompatible {
    var name: String
}

let dog: Dog = Dog().ductTape
    .name("Copernicus")
  1. Use Builder directly
class Dog {
    var name: String
}

let dog: Dog = Builder(Dog())
    .name("Copernicus")

Sample Code

class ViewController: UIViewController {

    let flowLayout: UICollectionViewFlowLayout = UICollectionViewFlowLayout()
        .ductTape
        .minimumLineSpacing(10)
        .minimumInteritemSpacing(10)
        .itemSize(CGSize(width: 100, height: 100))
        .scrollDirection(.vertical)

    lazy var collectionView: UICollectionView = UICollectionView(frame: .zero,
                                                                 collectionViewLayout: flowLayout)
        .ductTape
        .dataSource(self)
        .delegate(self)
        .translatesAutoresizingMaskIntoConstraints(false)
        .reinforce {
            $0.register(UICollectionViewCell.self, forCellWithReuseIdentifier: "Cell")
        }

    override func viewDidLoad() {
        super.viewDidLoad()

        view.addSubview(collectionView)
        NSLayoutConstraint.activate([
            view.topAnchor.constraint(equalTo: collectionView.topAnchor),
            view.leadingAnchor.constraint(equalTo: collectionView.leadingAnchor),
            view.trailingAnchor.constraint(equalTo: collectionView.trailingAnchor),
            view.bottomAnchor.constraint(equalTo: collectionView.bottomAnchor)
        ])
    }
}

Requirement

  • Xcode 11
  • macOS 10.10
  • iOS 9.0
  • tvOS 10.0
  • watchOS 3.0

Installation

CocoaPods

DuctTape is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "DuctTape"

Carthage

If you’re using Carthage, simply add DuctTape to your Cartfile:

github "marty-suzuki/DuctTape"

Swift Package Manager

Simply add the following line to your Package.swift:

.package(url: "https://github.com/marty-suzuki/DuctTape.git", from: "version")

License

DuctTape is released under the MIT License.

GitHub

link
Stars: 161
Last commit: 2 weeks ago

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iOS Software Engineer @ Perry Street Software
Perry Street Software is Jack’d and SCRUFF. We are two of the world’s largest gay, bi, trans and queer social dating apps on iOS and Android. Our brands reach more than 20 million members worldwide so members can connect, meet and express themselves on a platform that prioritizes privacy and security. We invest heavily into SwiftUI and using Swift Packages to modularize the codebase.

Release Notes

Add Initializer for Builder
1 year ago

Swiftpack is being maintained by Petr Pavlik | @ptrpavlik | @swiftpackco | API