Move Configuration to separate module

Package.swift

@@ -64,6 +64,17 @@ var targets: [PackageDescription.Target] = [
             .product(name: "SwiftIndexStore", package: "swift-indexstore"),
         ]
     ),
+    .target(name: "BaseLogger"),
+    .target(
+        name: "Configuration",
+        dependencies: [
+            .product(name: "FilenameMatcher", package: "swift-filename-matcher"),
+            .product(name: "Yams", package: "Yams"),
+            .product(name: "SystemPackage", package: "swift-system"),
+            .target(name: "BaseLogger"),
+            .target(name: "Shared"),
+        ]
+    ),
     .target(
         name: "ProjectDrivers",
         dependencies: projectDriverDependencies
@@ -82,6 +93,8 @@ var targets: [PackageDescription.Target] = [
         dependencies: [
             .product(name: "SwiftSyntax", package: "swift-syntax"),
             .target(name: "Shared"),
+            .target(name: "Configuration"),
+            .target(name: "Utils"),
         ]
     ),
     .target(
@@ -92,6 +105,15 @@ var targets: [PackageDescription.Target] = [
             .product(name: "FilenameMatcher", package: "swift-filename-matcher"),
         ]
     ),
+    .target(
+        name: "Utils",
+        dependencies: [
+            .product(name: "Yams", package: "Yams"),
+            .product(name: "SystemPackage", package: "swift-system"),
+            .product(name: "FilenameMatcher", package: "swift-filename-matcher"),
+            .target(name: "Configuration"),
+        ]
+    ),
     .target(
         name: "TestShared",
         dependencies: [

Sources/BaseLogger/BaseLogger.swift

@@ -0,0 +1,77 @@
+import Foundation
+
+public enum ANSIColor: String {
+    case bold = "\u{001B}[0;1m"
+    case red = "\u{001B}[0;31m"
+    case boldRed = "\u{001B}[0;1;31m"
+    case green = "\u{001B}[0;32m"
+    case boldGreen = "\u{001B}[0;1;32m"
+    case yellow = "\u{001B}[0;33m"
+    case boldYellow = "\u{001B}[0;1;33m"
+    case blue = "\u{001B}[0;34m"
+    case lightBlue = "\u{001B}[1;34m"
+    case magenta = "\u{001B}[0;35m"
+    case boldMagenta = "\u{001B}[0;1;35m"
+    case cyan = "\u{001B}[0;36m"
+    case white = "\u{001B}[0;37m"
+    case gray = "\u{001B}[0;1;30m"
+}
+
+@usableFromInline var isColorOutputCapable: Bool = {
+    guard let term = ProcessInfo.processInfo.environment["TERM"],
+          term.lowercased() != "dumb",
+          isatty(fileno(stdout)) != 0
+    else {
+        return false
+    }
+
+    return true
+}()
+
+@inlinable
+public func colorize(_ text: String, _ color: ANSIColor) -> String {
+    guard isColorOutputCapable else { return text }
+    return "\(color.rawValue)\(text)\u{001B}[0;0m"
+}
+
+public final class BaseLogger {
+    public static let shared = BaseLogger()
+
+    @usableFromInline let outputQueue: DispatchQueue
+
+    private init() {
+        outputQueue = DispatchQueue(label: "BaseLogger.outputQueue")
+    }
+
+    @inlinable
+    public func info(_ text: String) {
+        log(text, output: stdout)
+    }
+
+    @inlinable
+    public func debug(_ text: String) {
+        log(text, output: stdout)
+    }
+
+    @inlinable
+    public func warn(_ text: String, newlinePrefix: Bool = false) {
+        if newlinePrefix {
+            log("", output: stderr)
+        }
+        let text = colorize("warning: ", .boldYellow) + text
+        log(text, output: stderr)
+    }
+
+    @inlinable
+    public func error(_ text: String) {
+        let text = colorize("error: ", .boldRed) + text
+        log(text, output: stderr)
+    }
+
+    // MARK: - Private
+
+    @inlinable
+    func log(_ line: String, output: UnsafeMutablePointer<FILE>) {
+        _ = outputQueue.sync { fputs(line + "\n", output) }
+    }
+}

Sources/Shared/Configuration.swift → Sources/Configuration/Configuration.swift

@@ -2,10 +2,12 @@ import FilenameMatcher
 import Foundation
 import SystemPackage
 import Yams
+import Shared
+import BaseLogger
 
 public final class Configuration {
     public static var defaultConfigurationFile = FilePath(".periphery.yml")
-    public static let shared = Configuration()
+    public static let shared = Configuration(logger: BaseLogger.shared)
 
     public init(logger: BaseLogger = .shared) {
         self.logger = logger

Sources/Frontend/Commands/CheckUpdateCommand.swift

@@ -1,6 +1,7 @@
 import ArgumentParser
 import Foundation
-import Shared
+import Utils
+import BaseLogger
 
 struct CheckUpdateCommand: FrontendCommand {
     static let configuration = CommandConfiguration(

Sources/Frontend/Commands/ClearCacheCommand.swift

@@ -1,6 +1,7 @@
 import ArgumentParser
 import Foundation
 import Shared
+import Utils
 
 struct ClearCacheCommand: FrontendCommand {
     static let configuration = CommandConfiguration(

Sources/Frontend/Commands/FrontendCommand.swift

@@ -1,5 +1,5 @@
 import ArgumentParser
-import Shared
+import BaseLogger
 
 protocol FrontendCommand: ParsableCommand {}
 extension FrontendCommand {

Sources/Frontend/Commands/ScanBehavior.swift

@@ -2,6 +2,8 @@ import Foundation
 import PeripheryKit
 import Shared
 import SystemPackage
+import Configuration
+import Utils
 
 final class ScanBehavior {
     private let configuration: Configuration

Sources/Frontend/Commands/ScanCommand.swift

@@ -2,6 +2,7 @@ import ArgumentParser
 import Foundation
 import Shared
 import SystemPackage
+import Configuration
 
 struct ScanCommand: FrontendCommand {
     static let configuration = CommandConfiguration(

Sources/Frontend/CommonSetupGuide.swift

@@ -1,5 +1,7 @@
 import Foundation
 import Shared
+import Configuration
+import BaseLogger
 
 final class CommonSetupGuide: SetupGuideHelpers {
     private let configuration: Configuration

Sources/Frontend/GuidedSetup.swift

@@ -1,5 +1,7 @@
 import Foundation
 import Shared
+import Configuration
+import BaseLogger
 
 #if canImport(XcodeSupport)
     import XcodeSupport

Sources/Frontend/Project.swift

@@ -2,6 +2,7 @@ import Foundation
 import ProjectDrivers
 import Shared
 import SystemPackage
+import Configuration
 
 final class Project {
     static func identify() throws -> Self {

Sources/Frontend/SPMProjectSetupGuide.swift

@@ -1,6 +1,7 @@
 import Foundation
 import Shared
 import SystemPackage
+import ProjectDrivers
 
 final class SPMProjectSetupGuide: SetupGuideHelpers, SetupGuide {
     static func detect() -> Self? {

Sources/Frontend/Scan.swift

@@ -4,6 +4,9 @@ import PeripheryKit
 import ProjectDrivers
 import Shared
 import SourceGraph
+import Configuration
+import Utils
+import BaseLogger
 
 final class Scan {
     private let configuration: Configuration

Sources/Frontend/UpdateChecker.swift

@@ -1,6 +1,8 @@
 import Foundation
 import Shared
-
+import Configuration
+import Utils
+import BaseLogger
 #if canImport(FoundationNetworking)
     import FoundationNetworking
 #endif

Sources/Frontend/main.swift

@@ -1,6 +1,6 @@
 import ArgumentParser
 import Foundation
-import Shared
+import Utils
 
 Logger.configureBuffering()
 

Sources/Indexer/IndexPipeline.swift

@@ -1,6 +1,6 @@
 import Foundation
-import Shared
 import SourceGraph
+import Utils
 
 public struct IndexPipeline {
     private let plan: IndexPlan

Sources/Indexer/Indexer.swift

@@ -1,8 +1,8 @@
 import FilenameMatcher
 import Foundation
-import Shared
 import SourceGraph
 import SystemPackage
+import Configuration
 
 class Indexer {
     private let configuration: Configuration

Sources/Indexer/InfoPlistIndexer.swift

@@ -1,6 +1,8 @@
 import Shared
 import SourceGraph
 import SystemPackage
+import Utils
+import Configuration
 
 final class InfoPlistIndexer: Indexer {
     private let infoPlistFiles: Set<FilePath>

Sources/Indexer/SourceFileCollector.swift

@@ -3,6 +3,8 @@ import Shared
 import SourceGraph
 import SwiftIndexStore
 import SystemPackage
+import Utils
+import Configuration
 
 public struct SourceFileCollector {
     private let indexStorePaths: Set<FilePath>

Sources/Indexer/SwiftIndexer.swift

@@ -4,6 +4,8 @@ import SourceGraph
 import SwiftIndexStore
 import SyntaxAnalysis
 import SystemPackage
+import Utils
+import Configuration
 
 public struct IndexUnit {
     let store: IndexStore

Sources/Indexer/XCDataModelIndexer.swift

@@ -1,6 +1,8 @@
 import Shared
 import SourceGraph
 import SystemPackage
+import Utils
+import Configuration
 
 final class XCDataModelIndexer: Indexer {
     private let files: Set<FilePath>

Sources/Indexer/XCMappingModelIndexer.swift

@@ -1,6 +1,8 @@
 import Shared
 import SourceGraph
 import SystemPackage
+import Utils
+import Configuration
 
 final class XCMappingModelIndexer: Indexer {
     private let files: Set<FilePath>

Sources/Indexer/XibIndexer.swift

@@ -1,6 +1,8 @@
 import Shared
 import SourceGraph
 import SystemPackage
+import Utils
+import Configuration
 
 final class XibIndexer: Indexer {
     private let xibFiles: Set<FilePath>

Sources/PeripheryKit/Results/CheckstyleFormatter.swift

@@ -2,6 +2,7 @@ import Foundation
 import Shared
 import SourceGraph
 import SystemPackage
+import Configuration
 
 final class CheckstyleFormatter: OutputFormatter {
     let configuration: Configuration

Sources/PeripheryKit/Results/CodeClimateFormatter.swift

@@ -1,6 +1,7 @@
 import Foundation
 import Shared
 import SystemPackage
+import Configuration
 
 final class CodeClimateFormatter: OutputFormatter {
     let configuration: Configuration

Sources/PeripheryKit/Results/CsvFormatter.swift

@@ -2,6 +2,7 @@ import Foundation
 import Shared
 import SourceGraph
 import SystemPackage
+import Configuration
 
 final class CsvFormatter: OutputFormatter {
     let configuration: Configuration

Sources/PeripheryKit/Results/GitHubActionsFormatter.swift

@@ -2,6 +2,7 @@ import Foundation
 import Shared
 import SourceGraph
 import SystemPackage
+import Configuration
 
 final class GitHubActionsFormatter: OutputFormatter {
     let configuration: Configuration

Sources/PeripheryKit/Results/JsonFormatter.swift

@@ -1,6 +1,7 @@
 import Foundation
 import Shared
 import SystemPackage
+import Configuration
 
 final class JsonFormatter: OutputFormatter {
     let configuration: Configuration

Sources/PeripheryKit/Results/OutputDeclarationFilter.swift

@@ -1,7 +1,8 @@
 import FilenameMatcher
 import Foundation
-import Shared
 import SystemPackage
+import Configuration
+import Utils
 
 public final class OutputDeclarationFilter {
     private let configuration: Configuration

Sources/PeripheryKit/Results/OutputFormatter.swift

@@ -2,6 +2,8 @@ import Foundation
 import Shared
 import SourceGraph
 import SystemPackage
+import Configuration
+import BaseLogger
 
 public protocol OutputFormatter: AnyObject {
     var configuration: Configuration { get }

Sources/PeripheryKit/Results/XcodeFormatter.swift

@@ -2,6 +2,8 @@ import Foundation
 import Shared
 import SourceGraph
 import SystemPackage
+import Configuration
+import BaseLogger
 
 final class XcodeFormatter: OutputFormatter {
     let configuration: Configuration

Sources/ProjectDrivers/BazelProjectDriver.swift

@@ -1,6 +1,9 @@
 import Foundation
 import Shared
 import SystemPackage
+import Configuration
+import Utils
+import BaseLogger
 
 public class BazelProjectDriver: ProjectDriver {
     public static var isSupported: Bool {

Sources/ProjectDrivers/GenericProjectDriver.swift

@@ -3,6 +3,8 @@ import Indexer
 import Shared
 import SwiftIndexStore
 import SystemPackage
+import Configuration
+import Utils
 
 public final class GenericProjectDriver {
     struct GenericConfig: Decodable {