Add String extensions and remove Scripts directory

- Added String.swift with String extension utilities
- Updated code formatting and implementation
- Removed Scripts/setup-rfc.sh
- Updated Package.swift and gitignore
- Added .spi.yml configuration

Author: coenttb

.gitignore

@@ -1,32 +1,23 @@
-# Swift Package Manager
-.build/
-.swiftpm/
-Package.resolved
+*~
 
-# Xcode
-*.xcodeproj/
-*.xcworkspace/
-xcuserdata/
+Package.resolved
 DerivedData/
-*.hmap
-*.ipa
-*.dSYM.zip
-*.dSYM
-
-# macOS
-.DS_Store
-
-# AI tools
-CLAUDE.md
-.claude
-.cursor/
-.aider*
+Thumbs.db
 
-# IDE
-.vscode/
-.idea/
+# Dot files/directories (opt-in only)
+/.*
+!/.github
+!/.gitignore
+!/.spi.yml
+!/.swift-format
+!/.swiftformat
+!/.swiftlint.yml
 
-# Temporary files
-*.tmp
-*.swp
-*~
+# Documentation (opt-in for top-level .md files only)
+/*.md
+!README.md
+!LICENSE.md
+!CHANGELOG.md
+!CONTRIBUTING.md
+!CODE_OF_CONDUCT.md
+!SECURITY.md

.spi.yml

@@ -0,0 +1,5 @@
+version: 1
+builder:
+  configs:
+  - documentation_targets:
+    - MemoryAllocation

Package.swift

@@ -1,6 +1,5 @@
 // swift-tools-version:6.0
 
-import Foundation
 import PackageDescription
 
 extension String {
@@ -14,15 +13,16 @@ extension Target.Dependency {
 let package = Package(
     name: "swift-rfc-1035",
     platforms: [
-        .macOS(.v13),
-        .iOS(.v16)
+        .macOS(.v15),
+        .iOS(.v18),
+        .tvOS(.v18),
+        .watchOS(.v11)
     ],
     products: [
         .library(name: .rfc1035, targets: [.rfc1035]),
     ],
     dependencies: [
-        // Add RFC dependencies here as needed
-        // .package(url: "https://github.com/swift-standards/swift-rfc-1123.git", branch: "main"),
+//         .package(url: "https://github.com/swift-standards/swift-standards.git", from: "0.1.0")
     ],
     targets: [
         .target(
@@ -41,4 +41,4 @@ let package = Package(
     swiftLanguageModes: [.v6]
 )
 
-extension String { var tests: Self { self + " Tests" } }
+extension String { var tests: Self { self + " Tests" } }

Scripts/setup-rfc.sh

@@ -5,8 +5,6 @@
 //  Created by Coen ten Thije Boonkkamp on 28/12/2024.
 //
 
-import Foundation
-
 /// RFC 1035 compliant domain name
 public struct Domain: Hashable, Sendable {
     /// The labels that make up the domain name, from least significant to most significant
@@ -43,7 +41,7 @@ public struct Domain: Hashable, Sendable {
 extension Domain {
     /// A type-safe domain label that enforces RFC 1035 rules
     public struct Label: Hashable, Sendable {
-        private let value: String
+        public let value: String
 
         /// Initialize a label, validating RFC 1035 rules
         internal init(_ string: String) throws {
@@ -57,15 +55,13 @@ extension Domain {
 
             self.value = string
         }
-
-        public var stringValue: String { value }
     }
 }
 
 extension Domain {
     /// The complete domain name as a string
     public var name: String {
-        labels.map(\.stringValue).joined(separator: ".")
+        labels.map(String.init).joined(separator: ".")
     }
 
     /// The top-level domain (rightmost label)
@@ -86,7 +82,7 @@ extension Domain {
 
     /// Creates a subdomain by prepending new labels
     public func addingSubdomain(_ components: [String]) throws -> Domain {
-        try Domain(labels: components + labels.map(\.stringValue))
+        try Domain(labels: components + labels.map(String.init))
     }
 
     public func addingSubdomain(_ components: String...) throws -> Domain {
@@ -96,13 +92,13 @@ extension Domain {
     /// Returns the parent domain by removing the leftmost label
     public func parent() throws -> Domain? {
         guard labels.count > 1 else { return nil }
-        return try Domain(labels: labels.dropFirst().map(\.stringValue))
+        return try Domain(labels: labels.dropFirst().map(String.init))
     }
 
     /// Returns the root domain (tld + sld)
     public func root() throws -> Domain? {
         guard labels.count >= 2 else { return nil }
-        return try Domain(labels: labels.suffix(2).map(\.stringValue))
+        return try Domain(labels: labels.suffix(2).map(String.init))
     }
 }
 
@@ -123,25 +119,11 @@ extension Domain {
 
 // MARK: - Errors
 extension Domain {
-    public enum ValidationError: Error, LocalizedError, Equatable {
+    public enum ValidationError: Error, Equatable {
         case empty
         case tooLong(_ length: Int)
         case tooManyLabels
         case invalidLabel(_ label: String)
-
-        public var errorDescription: String? {
-            switch self {
-            case .empty:
-                return "Domain name cannot be empty"
-            case .tooLong(let length):
-                return "Domain name length \(length) exceeds maximum of \(Limits.maxLength)"
-            case .tooManyLabels:
-                return "Domain name has too many labels (maximum \(Limits.maxLabels))"
-            case .invalidLabel(let label):
-                return
-                    "Invalid label '\(label)'. Must start with letter, end with letter/digit, and contain only letters/digits/hyphens"
-            }
-        }
     }
 }
 

Sources/RFC_1035/RFC 1035.swift

@@ -0,0 +1,14 @@
+//
+//  File.swift
+//  swift-rfc-1035
+//
+//  Created by Coen ten Thije Boonkkamp on 19/11/2025.
+//
+
+extension String {
+    public init(
+        _ label: RFC_1035.Domain.Label
+    ) {
+        self = label.value
+    }
+}

Sources/RFC_1035/String.swift

@@ -5,7 +5,6 @@
 //  Created by Coen ten Thije Boonkkamp on 28/12/2024.
 //
 
-import Foundation
 import RFC_1035
 import Testing
 

Tests/RFC_1035 Tests/RFC 1035 Tests.swift

@@ -5,9 +5,9 @@
 //  Verifies that README code examples actually work
 //
 
-import Foundation
 import RFC_1035
 import Testing
+import Foundation
 
 @Suite("README Verification")
 struct ReadmeVerificationTests {