mirror of
https://github.com/realm/SwiftLint.git
synced 2026-06-06 20:18:40 +00:00
Zev Eisenberg
fcf848608e
* Add Example wrapper in order to display test failures inline when running in Xcode. * Stop using Swift 5.1-only features so we can compile on Xcode 10.2. * Wrap strings in Example. * Add Changelog entry. * Wrap all examples in Example struct. * Better and more complete capturing of line numbers. * Fix broken test. * Better test traceability. * Address or disable linting warnings. * Add documentation comments. * Disable linter for a few cases. * Limit mutability and add copy-and-mutate utility functions. * Limit scope of mutability.
35 lines
1.6 KiB
Swift
35 lines
1.6 KiB
Swift
import SourceKittenFramework
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public struct IsDisjointRule: ConfigurationProviderRule, AutomaticTestableRule {
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public var configuration = SeverityConfiguration(.warning)
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public init() {}
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public static let description = RuleDescription(
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identifier: "is_disjoint",
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name: "Is Disjoint",
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description: "Prefer using `Set.isDisjoint(with:)` over `Set.intersection(_:).isEmpty`.",
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kind: .idiomatic,
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nonTriggeringExamples: [
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Example("_ = Set(syntaxKinds).isDisjoint(with: commentAndStringKindsSet)"),
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Example("let isObjc = !objcAttributes.isDisjoint(with: dictionary.enclosedSwiftAttributes)"),
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Example("_ = Set(syntaxKinds).intersection(commentAndStringKindsSet)"),
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Example("_ = !objcAttributes.intersection(dictionary.enclosedSwiftAttributes)")
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],
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triggeringExamples: [
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Example("_ = Set(syntaxKinds).↓intersection(commentAndStringKindsSet).isEmpty"),
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Example("let isObjc = !objcAttributes.↓intersection(dictionary.enclosedSwiftAttributes).isEmpty")
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]
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)
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public func validate(file: SwiftLintFile) -> [StyleViolation] {
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let pattern = "\\bintersection\\(\\S+\\)\\.isEmpty"
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let excludingKinds = SyntaxKind.commentAndStringKinds
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return file.match(pattern: pattern, excludingSyntaxKinds: excludingKinds).map {
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StyleViolation(ruleDescription: type(of: self).description,
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severity: configuration.severity,
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location: Location(file: file, characterOffset: $0.location))
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}
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}
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}
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