Add localized resources

Package.swift

@@ -4,6 +4,7 @@ import PackageDescription
 
 let package = Package(
     name: "KeyboardKit",
+    defaultLocalization: "en",
     platforms: [
         .iOS(.v13)
     ],

RELEASE_NOTES.md

@@ -44,6 +44,7 @@ Besides the new things listed below, there are a bunch of new extensions, images
 * `Locale` is a new namespace with a few new locale-specific utils.
 * `LocaleDictionary` is a simple dictionary wrapper to work with localized resources.
 * `LocaleKey` is a simple enum to gather top-level locale identifiers.
+* `KKL10n` is a new enum that provides localized strings from KeyboardKit.
 * `SystemKeyboard` now highlights buttons when typing on iPad.
 * `View` has new `keyboardInputViewController` convenience extensions.
 * `View+keyboardToast` has new context-based function.

Sources/KeyboardKit/Localization/KKL10n.swift

@@ -0,0 +1,50 @@
+import SwiftUI
+
+/**
+ This enum maps towards keys in `Localizable.strings` files.
+ */
+public enum KKL10n: String, CaseIterable, Identifiable {
+
+    case
+        languageName,
+        locale,
+        `return`,
+        space
+
+    public var id: String { rawValue }
+    var key: String { rawValue }
+
+    var hasText: Bool { text != key }
+
+    var text: String {
+        let text = NSLocalizedString(key, bundle: .module, comment: "")
+        let isMissing = text == key
+        return isMissing ? "-" : text
+    }
+}
+
+struct L10n_Previews: PreviewProvider {
+
+    static var missing: [KKL10n] {
+        KKL10n.allCases.filter { !$0.hasText }
+    }
+
+    static var previews: some View {
+        NavigationView {
+            List {
+                if missing.count == 0 {
+                    Text("All done!")
+                } else {
+                    Text("Missing translations:")
+                }
+                ForEach(KKL10n.allCases.filter { !$0.hasText }) { item in
+                    VStack(alignment: .leading) {
+                        Text("\(item.key)").font(.footnote)
+                        Text("\(item.text)")
+                    }.padding(.vertical, 4)
+                }
+            }
+        }
+        .environment(\.locale, Locale(identifier: "sv"))
+    }
+}

Sources/KeyboardKit/Resources/en.lproj/Localizable.strings

@@ -0,0 +1,13 @@
+/*
+ Localizable.strings
+ KeyboardKit
+
+ Created by Daniel Saidi on 2021-02-15.
+ Copyright © 2021 Daniel Saidi. All rights reserved.
+ */
+
+"locale" = "en";
+"languageName" = "English";
+
+"return" = "return";
+"space" = "space";

Sources/KeyboardKit/Resources/sv.lproj/Localizable.strings

@@ -0,0 +1,13 @@
+/*
+ Localizable.strings
+ KeyboardKit
+
+ Created by Daniel Saidi on 2021-02-15.
+ Copyright © 2021 Daniel Saidi. All rights reserved.
+ */
+
+"locale" = "sv";
+"languageName" = "Svenska";
+
+"return" = "retur";
+"space" = "mellanslag";