SwiftLint/Source/SwiftLintBuiltInRules/Rules/RuleConfigurations/UnusedImportConfiguration.s...

57 lines
2.5 KiB
Swift

/// The configuration payload mapping an imported module to a set of modules that are allowed to be
/// transitively imported.
struct TransitiveModuleConfiguration: Equatable {
/// The module imported in a source file.
let importedModule: String
/// The set of modules that can be transitively imported by `importedModule`.
let transitivelyImportedModules: [String]
init(configuration: Any) throws {
guard let configurationDict = configuration as? [String: Any],
Set(configurationDict.keys) == ["module", "allowed_transitive_imports"],
let importedModule = configurationDict["module"] as? String,
let transitivelyImportedModules = configurationDict["allowed_transitive_imports"] as? [String]
else {
throw Issue.unknownConfiguration
}
self.importedModule = importedModule
self.transitivelyImportedModules = transitivelyImportedModules
}
}
struct UnusedImportConfiguration: SeverityBasedRuleConfiguration, Equatable {
var consoleDescription: String {
return [
"severity: \(severityConfiguration.consoleDescription)",
"require_explicit_imports: \(requireExplicitImports)",
"allowed_transitive_imports: \(allowedTransitiveImports)",
"always_keep_imports: \(alwaysKeepImports)"
].joined(separator: ", ")
}
private(set) var severityConfiguration = SeverityConfiguration.warning
private(set) var requireExplicitImports = false
private(set) var allowedTransitiveImports = [TransitiveModuleConfiguration]()
/// A set of modules to never remove the imports of.
private(set) var alwaysKeepImports = [String]()
mutating func apply(configuration: Any) throws {
guard let configurationDict = configuration as? [String: Any] else {
throw Issue.unknownConfiguration
}
if let severity = configurationDict["severity"] {
try severityConfiguration.apply(configuration: severity)
}
if let requireExplicitImports = configurationDict["require_explicit_imports"] as? Bool {
self.requireExplicitImports = requireExplicitImports
}
if let allowedTransitiveImports = configurationDict["allowed_transitive_imports"] as? [Any] {
self.allowedTransitiveImports = try allowedTransitiveImports.map(TransitiveModuleConfiguration.init)
}
if let alwaysKeepImports = configurationDict["always_keep_imports"] as? [String] {
self.alwaysKeepImports = alwaysKeepImports
}
}
}