Fix handling of any keyword in sortTypealiases rule (#2348)

Sources/Rules/SortTypealiases.swift

@@ -149,6 +149,20 @@ public extension FormatRule {
                     )
                 }
             }
+
+            // If sorting moved an `any` keyword to a position other than the start of the
+            // composition, move it back to the start. In `any Foo & Bar`, the `any` applies
+            // to the entire composition and must remain at the beginning.
+            if let newEqualsIndex = formatter.index(of: .operator("=", .infix), after: typealiasIndex),
+               let startOfType = formatter.index(of: .nonSpaceOrCommentOrLinebreak, after: newEqualsIndex),
+               let (_, _, endOfComposition) = formatter.parseProtocolCompositionTypealias(at: typealiasIndex),
+               let firstAnd = formatter.index(of: .operator("&", .infix), after: newEqualsIndex),
+               let anyIndex = formatter.index(of: .identifier("any"), in: firstAnd ... endOfComposition)
+            {
+                let removeEnd = formatter.token(at: anyIndex + 1)?.isSpace == true ? anyIndex + 1 : anyIndex
+                formatter.removeTokens(in: anyIndex ... removeEnd)
+                formatter.insert([.identifier("any"), .space(" ")], at: startOfType)
+            }
         }
     } examples: {
         """

Tests/Rules/SortTypealiasesTests.swift

@@ -93,31 +93,11 @@ final class SortTypealiasesTests: XCTestCase {
     }
 
     func testSortWrappedMultilineTypealiasWithAny() {
-        let input = """
-        typealias Dependencies
-            = any FooProviding
-            & any BarProviding
-            & any BaazProviding
-            & any QuuxProviding
-        """
-
-        let output = """
-        typealias Dependencies
-            = any BaazProviding
-            & any BarProviding
-            & any FooProviding
-            & any QuuxProviding
-        """
-
-        testFormatting(for: input, output, rule: .sortTypealiases)
-    }
-
-    func testSortWrappedMultilineTypealiasWithMixedAny() {
         let input = """
         typealias Dependencies
             = any FooProviding
             & BarProviding
-            & any BaazProviding
+            & BaazProviding
             & QuuxProviding
         """
 
@@ -125,7 +105,7 @@ final class SortTypealiasesTests: XCTestCase {
         typealias Dependencies
             = any BaazProviding
             & BarProviding
-            & any FooProviding
+            & FooProviding
             & QuuxProviding
         """
 
@@ -216,11 +196,14 @@ final class SortTypealiasesTests: XCTestCase {
         testFormatting(for: input, output, rule: .sortTypealiases)
     }
 
-    func testSortSingleLineTypealiasBeginningWithAny() {
+    func testSortSingleLineTypealiasWithLeadingAny() {
         let input = """
-        typealias Placeholders = any Bar & Foo
+        typealias Wrapped = any UIView & UIContentView
         """
-        testFormatting(for: input, rule: .sortTypealiases)
+        let output = """
+        typealias Wrapped = any UIContentView & UIView
+        """
+        testFormatting(for: input, output, rule: .sortTypealiases)
     }
 
     func testCollectionTypealiasWithArrayOfExistentialTypes() {