Feature/split into framework and executable

Package.swift

@@ -9,6 +9,10 @@ let package = Package(
 		.executable(name: "swiftpolyglot", targets: ["SwiftPolyglot"]),
 	],
 	targets: [
-		.executableTarget(name: "SwiftPolyglot"),
+		.executableTarget(
+			name: "SwiftPolyglot",
+			dependencies: ["SwiftPolyglotCore"]
+		),
+		.target(name: "SwiftPolyglotCore")
 	]
 )

Sources/SwiftPolyglot/main.swift

@@ -1,83 +1,9 @@
-import Foundation
+import SwiftPolyglotCore
 
-guard CommandLine.arguments.count > 1 else {
-	print("Usage: script.swift <language codes> [--errorOnMissing]")
-	exit(1)
-}
-
-let isRunningFromGitHubActions = ProcessInfo.processInfo.environment["GITHUB_ACTIONS"] == "true"
-let languages = CommandLine.arguments[1].split(separator: ",").map(String.init)
-let errorOnMissing = CommandLine.arguments.contains("--errorOnMissing")
-
-let fileManager = FileManager.default
-let currentDirectoryPath = fileManager.currentDirectoryPath
-
-var missingTranslations = false
-
-func checkTranslations(in fileURL: URL, for languages: [String]) {
-	guard let data = try? Data(contentsOf: fileURL),
-	      let jsonObject = try? JSONSerialization.jsonObject(with: data),
-	      let jsonDict = jsonObject as? [String: Any],
-	      let strings = jsonDict["strings"] as? [String: [String: Any]]
-	else {
-		if isRunningFromGitHubActions {
-			print("::warning file=\(fileURL.path)::Could not process file at path: \(fileURL.path)")
-		} else {
-			print("Could not process file at path: \(fileURL.path)")
-		}
-		return
-	}
-
-	for (originalString, translations) in strings {
-		guard let localizations = translations["localizations"] as? [String: [String: Any]] else {
-			logWarning(file: fileURL.path, message: "'\(originalString)' is not translated in any language in file: \(fileURL.path)")
-			missingTranslations = true
-			continue
-		}
-
-		for lang in languages {
-			if let langDict = localizations[lang],
-			   let stringUnit = langDict["stringUnit"] as? [String: Any],
-			   let state = stringUnit["state"] as? String, state == "translated"
-			{
-			} else {
-				logWarning(file: fileURL.path, message: "'\(originalString)' is missing or not translated in \(lang) in file: \(fileURL.path)")
-				missingTranslations = true
-			}
-		}
-	}
-}
-
-func searchDirectory(_ dirPath: String) {
-	if let enumerator = fileManager.enumerator(atPath: dirPath) {
-		for case let file as String in enumerator {
-			if file.hasSuffix(".xcstrings") {
-				let fileURL = URL(fileURLWithPath: dirPath).appendingPathComponent(file)
-				checkTranslations(in: fileURL, for: languages)
-			}
-		}
-	}
-}
-
-func logWarning(file: String, message: String) {
-	if isRunningFromGitHubActions {
-		if errorOnMissing {
-			print("::error file=\(file)::\(message)")
-		} else {
-			print("::warning file=\(file)::\(message)")
-		}
-	} else {
-		print(message)
-	}
-}
-
-searchDirectory(currentDirectoryPath)
+let swiftPolyglot: SwiftPolyglot = .init(arguments: CommandLine.arguments)
 
-if missingTranslations, errorOnMissing {
-	print("Error: One or more translations are missing.")
-	exit(1)
-} else if missingTranslations {
-	print("Completed with missing translations.")
-} else {
-	print("All translations are present.")
+do {
+    try swiftPolyglot.run()
+} catch {
+    print(error)
 }

Sources/SwiftPolyglotCore/SwiftPolyglot.swift

@@ -0,0 +1,93 @@
+import Foundation
+
+public struct SwiftPolyglot {
+    private let arguments: [String]
+
+    public init(arguments: [String]) {
+        self.arguments = arguments
+    }
+
+    public func run() throws {
+        guard CommandLine.arguments.count > 1 else {
+            print("Usage: script.swift <language codes> [--errorOnMissing]")
+            exit(1)
+        }
+
+        let isRunningFromGitHubActions = ProcessInfo.processInfo.environment["GITHUB_ACTIONS"] == "true"
+        let languages = CommandLine.arguments[1].split(separator: ",").map(String.init)
+        let errorOnMissing = CommandLine.arguments.contains("--errorOnMissing")
+
+        let fileManager = FileManager.default
+        let currentDirectoryPath = fileManager.currentDirectoryPath
+
+        var missingTranslations = false
+
+        func checkTranslations(in fileURL: URL, for languages: [String]) {
+            guard let data = try? Data(contentsOf: fileURL),
+                  let jsonObject = try? JSONSerialization.jsonObject(with: data),
+                  let jsonDict = jsonObject as? [String: Any],
+                  let strings = jsonDict["strings"] as? [String: [String: Any]]
+            else {
+                if isRunningFromGitHubActions {
+                    print("::warning file=\(fileURL.path)::Could not process file at path: \(fileURL.path)")
+                } else {
+                    print("Could not process file at path: \(fileURL.path)")
+                }
+                return
+            }
+
+            for (originalString, translations) in strings {
+                guard let localizations = translations["localizations"] as? [String: [String: Any]] else {
+                    logWarning(file: fileURL.path, message: "'\(originalString)' is not translated in any language in file: \(fileURL.path)")
+                    missingTranslations = true
+                    continue
+                }
+
+                for lang in languages {
+                    if let langDict = localizations[lang],
+                       let stringUnit = langDict["stringUnit"] as? [String: Any],
+                       let state = stringUnit["state"] as? String, state == "translated"
+                    {
+                    } else {
+                        logWarning(file: fileURL.path, message: "'\(originalString)' is missing or not translated in \(lang) in file: \(fileURL.path)")
+                        missingTranslations = true
+                    }
+                }
+            }
+        }
+
+        func searchDirectory(_ dirPath: String) {
+            if let enumerator = fileManager.enumerator(atPath: dirPath) {
+                for case let file as String in enumerator {
+                    if file.hasSuffix(".xcstrings") {
+                        let fileURL = URL(fileURLWithPath: dirPath).appendingPathComponent(file)
+                        checkTranslations(in: fileURL, for: languages)
+                    }
+                }
+            }
+        }
+
+        func logWarning(file: String, message: String) {
+            if isRunningFromGitHubActions {
+                if errorOnMissing {
+                    print("::error file=\(file)::\(message)")
+                } else {
+                    print("::warning file=\(file)::\(message)")
+                }
+            } else {
+                print(message)
+            }
+        }
+
+        searchDirectory(currentDirectoryPath)
+
+        if missingTranslations, errorOnMissing {
+            print("Error: One or more translations are missing.")
+            exit(1)
+        } else if missingTranslations {
+            print("Completed with missing translations.")
+        } else {
+            print("All translations are present.")
+        }
+    }
+}