Define package dependency to host HTML resources

Author: mokagio

Makefile

@@ -76,6 +76,7 @@ build: npm-dependencies prep-translations ## Build the project for all platforms
 	@echo "--- :open_file_folder: Copying Build Products into place"
 	rm -rf ./ios/Sources/GutenbergKit/Gutenberg/ ./android/Gutenberg/src/main/assets/
 	cp -r ./dist/. ./ios/Sources/GutenbergKit/Gutenberg/
+	cp -r ./dist/. ./ios/Sources/GutenbergKitResources/Resources/
 	cp -r ./dist/. ./android/Gutenberg/src/main/assets
 
 .PHONY: build-swift-package

Package.swift

@@ -16,7 +16,11 @@ let package = Package(
     targets: [
         .target(
             name: "GutenbergKit",
-            dependencies: ["SwiftSoup", "SVGView"],
+            dependencies: [
+                "SwiftSoup",
+                "SVGView",
+                .target(name: "GutenbergKitResources")
+            ],
             path: "ios/Sources/GutenbergKit",
             exclude: [],
             resources: [.copy("Gutenberg")]
@@ -29,6 +33,12 @@ let package = Package(
             resources: [
                 .process("Resources")
             ]
+        ),
+
+        .target(
+            name: "GutenbergKitResources",
+            path: "ios/Sources/GutenbergKitResources",
+            resources: [.copy("Resources")]
         )
     ]
 )

ios/Sources/GutenbergKitResources/Resources/.gitkeep

@@ -0,0 +1,21 @@
+import Foundation
+
+struct GutenbergKitResources {
+
+    /// Loads the Gutenberg CSS from the bundled assets.
+    public static func loadGutenbergCSS() -> String? {
+        guard let assetsURL = Bundle.module.url(forResource: "Gutenberg", withExtension: nil) else {
+            assertionFailure("Gutenberg resource not found in bundle")
+            return nil
+        }
+
+        let assetsDirectory = assetsURL.appendingPathComponent("assets")
+        guard let files = try? FileManager.default.contentsOfDirectory(at: assetsDirectory, includingPropertiesForKeys: nil),
+              let cssURL = files.first(where: { $0.lastPathComponent.hasPrefix("index-") && $0.lastPathComponent.hasSuffix(".css") }),
+              let css = try? String(contentsOf: cssURL, encoding: .utf8) else {
+            assertionFailure("Failed to load Gutenberg CSS from bundle")
+            return nil
+        }
+        return css
+    }
+}