51 lines
1.6 KiB
Swift
51 lines
1.6 KiB
Swift
import SwiftSyntax
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struct ProhibitedInterfaceBuilderRule: ConfigurationProviderRule, SwiftSyntaxRule, OptInRule {
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var configuration = SeverityConfiguration(.warning)
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init() {}
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static let description = RuleDescription(
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identifier: "prohibited_interface_builder",
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name: "Prohibited Interface Builder",
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description: "Creating views using Interface Builder should be avoided",
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kind: .lint,
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nonTriggeringExamples: [
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wrapExample("var label: UILabel!"),
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wrapExample("@objc func buttonTapped(_ sender: UIButton) {}")
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],
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triggeringExamples: [
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wrapExample("@IBOutlet ↓var label: UILabel!"),
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wrapExample("@IBAction ↓func buttonTapped(_ sender: UIButton) {}")
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]
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)
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func makeVisitor(file: SwiftLintFile) -> ViolationsSyntaxVisitor {
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Visitor(viewMode: .sourceAccurate)
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}
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}
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private extension ProhibitedInterfaceBuilderRule {
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final class Visitor: ViolationsSyntaxVisitor {
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override func visitPost(_ node: VariableDeclSyntax) {
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if node.isIBOutlet {
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violations.append(node.letOrVarKeyword.positionAfterSkippingLeadingTrivia)
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}
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}
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override func visitPost(_ node: FunctionDeclSyntax) {
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if node.isIBAction {
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violations.append(node.funcKeyword.positionAfterSkippingLeadingTrivia)
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}
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}
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}
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}
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private func wrapExample(_ text: String, file: StaticString = #file, line: UInt = #line) -> Example {
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return Example("""
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class ViewController: UIViewController {
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\(text)
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}
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""", file: file, line: line)
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}
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