SwiftLint/Source/SwiftLintFramework/Rules/Idiomatic/DiscouragedOptionalCollecti...

216 lines
12 KiB
Swift

internal struct DiscouragedOptionalCollectionExamples {
static let nonTriggeringExamples = [
// Global variable
"var foo: [Int]",
"var foo: [String: Int]",
"var foo: Set<String>",
"var foo: [String: [String: Int]]",
"let foo: [Int] = []",
"let foo: [String: Int] = [:]",
"let foo: Set<String> = []",
"let foo: [String: [String: Int]] = [:]",
// Computed get variable
"var foo: [Int] { return [] }",
// Free function return
"func foo() -> [Int] {}",
"func foo() -> [String: String] {}",
"func foo() -> Set<Int> {}",
"func foo() -> ([Int]) -> String {}",
// Free function parameter
"func foo(input: [String] = []) {}",
"func foo(input: [String: String] = [:]) {}",
"func foo(input: Set<String> = []) {}",
// Method return
wrapExample("class", "func foo() -> [Int] {}"),
wrapExample("class", "func foo() -> [String: String] {}"),
wrapExample("class", "func foo() -> Set<Int> {}"),
wrapExample("class", "func foo() -> ([Int]) -> String {}"),
wrapExample("struct", "func foo() -> [Int] {}"),
wrapExample("struct", "func foo() -> [String: String] {}"),
wrapExample("struct", "func foo() -> Set<Int> {}"),
wrapExample("struct", "func foo() -> ([Int]) -> String {}"),
wrapExample("enum", "func foo() -> [Int] {}"),
wrapExample("enum", "func foo() -> [String: String] {}"),
wrapExample("enum", "func foo() -> Set<Int> {}"),
wrapExample("enum", "func foo() -> ([Int]) -> String {}"),
// Method parameter
wrapExample("class", "func foo(input: [String] = []) {}"),
wrapExample("class", "func foo(input: [String: String] = [:]) {}"),
wrapExample("class", "func foo(input: Set<String> = []) {}"),
wrapExample("struct", "func foo(input: [String] = []) {}"),
wrapExample("struct", "func foo(input: [String: String] = [:]) {}"),
wrapExample("struct", "func foo(input: Set<String> = []) {}"),
wrapExample("enum", "func foo(input: [String] = []) {}"),
wrapExample("enum", "func foo(input: [String: String] = [:]) {}"),
wrapExample("enum", "func foo(input: Set<String> = []) {}")
]
static let triggeringExamples = [
// Global variable
"↓var foo: [Int]?",
"↓var foo: [String: Int]?",
"↓var foo: Set<String>?",
"↓let foo: [Int]? = nil",
"↓let foo: [String: Int]? = nil",
"↓let foo: Set<String>? = nil",
// Computed Get Variable
"↓var foo: [Int]? { return nil }",
"↓let foo: [Int]? { return nil }()",
// Free function return
"func ↓foo() -> [T]? {}",
"func ↓foo() -> [String: String]? {}",
"func ↓foo() -> [String: [String: String]]? {}",
"func ↓foo() -> [String: [String: String]?] {}",
"func ↓foo() -> Set<Int>? {}",
"static func ↓foo() -> [T]? {}",
"static func ↓foo() -> [String: String]? {}",
"static func ↓foo() -> [String: [String: String]]? {}",
"static func ↓foo() -> [String: [String: String]?] {}",
"static func ↓foo() -> Set<Int>? {}",
"func ↓foo() -> ([Int]?) -> String {}",
"func ↓foo() -> ([Int]) -> [String]? {}",
// Free function parameter
"func foo(↓input: [String: String]?) {}",
"func foo(↓input: [String: [String: String]]?) {}",
"func foo(↓input: [String: [String: String]?]) {}",
"func foo(↓↓input: [String: [String: String]?]?) {}",
"func foo<K, V>(_ dict1: [K: V], ↓_ dict2: [K: V]?) -> [K: V]",
"func foo<K, V>(dict1: [K: V], ↓dict2: [K: V]?) -> [K: V]",
"static func foo(↓input: [String: String]?) {}",
"static func foo(↓input: [String: [String: String]]?) {}",
"static func foo(↓input: [String: [String: String]?]) {}",
"static func foo(↓↓input: [String: [String: String]?]?) {}",
"static func foo<K, V>(_ dict1: [K: V], ↓_ dict2: [K: V]?) -> [K: V]",
"static func foo<K, V>(dict1: [K: V], ↓dict2: [K: V]?) -> [K: V]",
// Instance variable
wrapExample("class", "↓var foo: [Int]?"),
wrapExample("class", "↓var foo: [String: Int]?"),
wrapExample("class", "↓var foo: Set<String>?"),
wrapExample("class", "↓let foo: [Int]? = nil"),
wrapExample("class", "↓let foo: [String: Int]? = nil"),
wrapExample("class", "↓let foo: Set<String>? = nil"),
wrapExample("struct", "↓var foo: [Int]?"),
wrapExample("struct", "↓var foo: [String: Int]?"),
wrapExample("struct", "↓var foo: Set<String>?"),
wrapExample("struct", "↓let foo: [Int]? = nil"),
wrapExample("struct", "↓let foo: [String: Int]? = nil"),
wrapExample("struct", "↓let foo: Set<String>? = nil"),
// Instance computed variable
wrapExample("class", "↓var foo: [Int]? { return nil }"),
wrapExample("class", "↓let foo: [Int]? { return nil }()"),
wrapExample("class", "↓var foo: Set<String>? { return nil }"),
wrapExample("class", "↓let foo: Set<String>? { return nil }()"),
wrapExample("struct", "↓var foo: [Int]? { return nil }"),
wrapExample("struct", "↓let foo: [Int]? { return nil }()"),
wrapExample("struct", "↓var foo: Set<String>? { return nil }"),
wrapExample("struct", "↓let foo: Set<String>? { return nil }()"),
wrapExample("enum", "↓var foo: [Int]? { return nil }"),
wrapExample("enum", "↓let foo: [Int]? { return nil }()"),
wrapExample("enum", "↓var foo: Set<String>? { return nil }"),
wrapExample("enum", "↓let foo: Set<String>? { return nil }()"),
// Method return
wrapExample("class", "func ↓foo() -> [T]? {}"),
wrapExample("class", "func ↓foo() -> [String: String]? {}"),
wrapExample("class", "func ↓foo() -> [String: [String: String]]? {}"),
wrapExample("class", "func ↓foo() -> [String: [String: String]?] {}"),
wrapExample("class", "func ↓foo() -> Set<Int>? {}"),
wrapExample("class", "static func ↓foo() -> [T]? {}"),
wrapExample("class", "static func ↓foo() -> [String: String]? {}"),
wrapExample("class", "static func ↓foo() -> [String: [String: String]]? {}"),
wrapExample("class", "static func ↓foo() -> [String: [String: String]?] {}"),
wrapExample("class", "static func ↓foo() -> Set<Int>? {}"),
wrapExample("class", "func ↓foo() -> ([Int]?) -> String {}"),
wrapExample("class", "func ↓foo() -> ([Int]) -> [String]? {}"),
wrapExample("struct", "func ↓foo() -> [T]? {}"),
wrapExample("struct", "func ↓foo() -> [String: String]? {}"),
wrapExample("struct", "func ↓foo() -> [String: [String: String]]? {}"),
wrapExample("struct", "func ↓foo() -> [String: [String: String]?] {}"),
wrapExample("struct", "func ↓foo() -> Set<Int>? {}"),
wrapExample("struct", "static func ↓foo() -> [T]? {}"),
wrapExample("struct", "static func ↓foo() -> [String: String]? {}"),
wrapExample("struct", "static func ↓foo() -> [String: [String: String]]? {}"),
wrapExample("struct", "static func ↓foo() -> [String: [String: String]?] {}"),
wrapExample("struct", "static func ↓foo() -> Set<Int>? {}"),
wrapExample("struct", "func ↓foo() -> ([Int]?) -> String {}"),
wrapExample("struct", "func ↓foo() -> ([Int]) -> [String]? {}"),
wrapExample("enum", "func ↓foo() -> [T]? {}"),
wrapExample("enum", "func ↓foo() -> [String: String]? {}"),
wrapExample("enum", "func ↓foo() -> [String: [String: String]]? {}"),
wrapExample("enum", "func ↓foo() -> [String: [String: String]?] {}"),
wrapExample("enum", "func ↓foo() -> Set<Int>? {}"),
wrapExample("enum", "static func ↓foo() -> [T]? {}"),
wrapExample("enum", "static func ↓foo() -> [String: String]? {}"),
wrapExample("enum", "static func ↓foo() -> [String: [String: String]]? {}"),
wrapExample("enum", "static func ↓foo() -> [String: [String: String]?] {}"),
wrapExample("enum", "static func ↓foo() -> Set<Int>? {}"),
wrapExample("enum", "func ↓foo() -> ([Int]?) -> String {}"),
wrapExample("enum", "func ↓foo() -> ([Int]) -> [String]? {}"),
// Method parameter
wrapExample("class", "func foo(↓input: [String: String]?) {}"),
wrapExample("class", "func foo(↓input: [String: [String: String]]?) {}"),
wrapExample("class", "func foo(↓input: [String: [String: String]?]) {}"),
wrapExample("class", "func foo(↓↓input: [String: [String: String]?]?) {}"),
wrapExample("class", "func foo<K, V>(_ dict1: [K: V], ↓_ dict2: [K: V]?) -> [K: V]"),
wrapExample("class", "func foo<K, V>(dict1: [K: V], ↓dict2: [K: V]?) -> [K: V]"),
wrapExample("class", "static func foo(↓input: [String: String]?) {}"),
wrapExample("class", "static func foo(↓input: [String: [String: String]]?) {}"),
wrapExample("class", "static func foo(↓input: [String: [String: String]?]) {}"),
wrapExample("class", "static func foo(↓↓input: [String: [String: String]?]?) {}"),
wrapExample("class", "static func foo<K, V>(_ dict1: [K: V], ↓_ dict2: [K: V]?) -> [K: V]"),
wrapExample("class", "static func foo<K, V>(dict1: [K: V], ↓dict2: [K: V]?) -> [K: V]"),
wrapExample("struct", "func foo(↓input: [String: String]?) {}"),
wrapExample("struct", "func foo(↓input: [String: [String: String]]?) {}"),
wrapExample("struct", "func foo(↓input: [String: [String: String]?]) {}"),
wrapExample("struct", "func foo(↓↓input: [String: [String: String]?]?) {}"),
wrapExample("struct", "func foo<K, V>(_ dict1: [K: V], ↓_ dict2: [K: V]?) -> [K: V]"),
wrapExample("struct", "func foo<K, V>(dict1: [K: V], ↓dict2: [K: V]?) -> [K: V]"),
wrapExample("struct", "static func foo(↓input: [String: String]?) {}"),
wrapExample("struct", "static func foo(↓input: [String: [String: String]]?) {}"),
wrapExample("struct", "static func foo(↓input: [String: [String: String]?]) {}"),
wrapExample("struct", "static func foo(↓↓input: [String: [String: String]?]?) {}"),
wrapExample("struct", "static func foo<K, V>(_ dict1: [K: V], ↓_ dict2: [K: V]?) -> [K: V]"),
wrapExample("struct", "static func foo<K, V>(dict1: [K: V], ↓dict2: [K: V]?) -> [K: V]"),
wrapExample("enum", "func foo(↓input: [String: String]?) {}"),
wrapExample("enum", "func foo(↓input: [String: [String: String]]?) {}"),
wrapExample("enum", "func foo(↓input: [String: [String: String]?]) {}"),
wrapExample("enum", "func foo(↓↓input: [String: [String: String]?]?) {}"),
wrapExample("enum", "func foo<K, V>(_ dict1: [K: V], ↓_ dict2: [K: V]?) -> [K: V]"),
wrapExample("enum", "func foo<K, V>(dict1: [K: V], ↓dict2: [K: V]?) -> [K: V]"),
wrapExample("enum", "static func foo(↓input: [String: String]?) {}"),
wrapExample("enum", "static func foo(↓input: [String: [String: String]]?) {}"),
wrapExample("enum", "static func foo(↓input: [String: [String: String]?]) {}"),
wrapExample("enum", "static func foo(↓↓input: [String: [String: String]?]?) {}"),
wrapExample("enum", "static func foo<K, V>(_ dict1: [K: V], ↓_ dict2: [K: V]?) -> [K: V]"),
wrapExample("enum", "static func foo<K, V>(dict1: [K: V], ↓dict2: [K: V]?) -> [K: V]")
]
}
// MARK: - Private
private func wrapExample(_ type: String, _ test: String) -> String {
return "\(type) Foo {\n\t\(test)\n}"
}