【iOS】R.Swiftの導入と使い方！静的リソースを安全管理

VStack {
  Image(R.image.app_logo)
  Text("Hello")
    .foregroundStyle(Color(R.color.accent_color))
}

R.image.app_logo       // ImageResource
R.image.app_logo()     // UIImage?
R.color.accent_color   // ColorResource
R.color.accent_color() // UIColor?

R.Swift未導入
let icon = UIImage(named: "settings-icon")
let font = UIFont(name: "San Francisco", size: 42)
let color = UIColor(named: "indicator highlight")
let viewController = CustomViewController(nibName: "CustomView", bundle: nil)
let string = String(format: NSLocalizedString("welcome.withName", comment: ""), locale: NSLocale.current, "Arthur Dent")

R.Swift導入済み
let icon = R.image.settingsIcon()
let font = R.font.sanFrancisco(size: 42)
let color = R.color.indicatorHighlight()
let viewController = CustomViewController(nib: R.nib.customView)
let string = R.string.localizable.welcomeWithName("Arthur Dent")

import Foundation
import RswiftResources

private class BundleFinder {}
let R = _R(bundle: Bundle(for: BundleFinder.self))

struct _R {
  let bundle: Foundation.Bundle
  var color: color { .init(bundle: bundle) }
  var image: image { .init(bundle: bundle) }

  func color(bundle: Foundation.Bundle) -> color {
    .init(bundle: bundle)
  }
  func image(bundle: Foundation.Bundle) -> image {
    .init(bundle: bundle)
  }
  func validate() throws {

  }

  struct project {
    let developmentRegion = "en"
  }

  /// This `_R.color` struct is generated, and contains static references to 2 colors.
  struct color {
    let bundle: Foundation.Bundle

    /// Color `accent_color`.
    var accent_color: RswiftResources.ColorResource { .init(name: "accent_color", path: [], bundle: bundle) }
  }

  /// This `_R.image` struct is generated, and contains static references to 1 images.
  struct image {
    let bundle: Foundation.Bundle

    /// Image `app-logo`.
    var appLogo: RswiftResources.ImageResource { .init(name: "app-logo", path: [], bundle: bundle, locale: nil, onDemandResourceTags: nil) }
  }
}

~/Library/Developer/Xcode/DerivedData/プロジェクト名-eceicgeflvpgpvdpfihzgroudiag/SourcePackages/plugins/プロジェクト名.output/プロジェクト名/RswiftGenerateInternalResources/プロジェクト名/Resources/R.generated.swift