Fix false positive with #Preview macro in closure_end_indentation (#6306)

Author: gibachan

CHANGELOG.md

@@ -19,7 +19,8 @@
 
 ### Bug Fixes
 
-* None.
+* Fix false positive with `#Preview` macro in `closure_end_indentation` rule.  
+  [gibachan](https://github.com/gibachan)
 
 ## 0.62.1: Generous Drum Volume
 

Source/SwiftLintBuiltInRules/Rules/Style/ClosureEndIndentationRule.swift

@@ -103,6 +103,11 @@ private extension ClosureEndIndentationRule {
                 return anchor(for: ExprSyntax(functionCall))
             }
 
+            // Case: Macro expansion expression. e.g., `#Preview { ... }`
+            if let macroExpansionExpr = parent.as(MacroExpansionExprSyntax.self) {
+                return anchor(for: ExprSyntax(macroExpansionExpr))
+            }
+
             // Case: Closure as a labeled argument. e.g., `function(label: { ... })`
             if let labeledExpr = parent.as(LabeledExprSyntax.self) {
                 // Check if this is part of a function call where the first argument is on a new line

Source/SwiftLintBuiltInRules/Rules/Style/ClosureEndIndentationRuleExamples.swift

@@ -61,6 +61,12 @@ internal struct ClosureEndIndentationRuleExamples {
             .prop().method {
             }
         """, excludeFromDocumentation: true),
+        Example("""
+        #Preview("foo",
+                 traits: .landscapeLeft) {
+            ZStack {}
+        }
+        """),
     ]
 
     static let triggeringExamples = [