UseStatementHelper: Fix isTraitUse() to work with anonymous class

Author: Majkl578

SlevomatCodingStandard/Helpers/UseStatementHelper.php

@@ -16,7 +16,7 @@ public static function isAnonymousFunctionUse(\PHP_CodeSniffer_File $phpcsFile,
 
 	public static function isTraitUse(\PHP_CodeSniffer_File $phpcsFile, int $usePointer): bool
 	{
-		$typePointer = $phpcsFile->findPrevious(TokenHelper::$typeKeywordTokenCodes, $usePointer);
+		$typePointer = $phpcsFile->findPrevious(array_merge(TokenHelper::$typeKeywordTokenCodes, [T_ANON_CLASS]), $usePointer);
 		if ($typePointer !== false) {
 			$tokens = $phpcsFile->getTokens();
 			$typeToken = $tokens[$typePointer];

tests/Helpers/UseStatementHelperTest.php

@@ -32,6 +32,15 @@ public function testIsTraitUse()
 		$this->assertTrue(UseStatementHelper::isTraitUse($codeSnifferFile, $usePointer));
 	}
 
+	public function testIsTraitUseInAnonymousClass()
+	{
+		$codeSnifferFile = $this->getCodeSnifferFile(
+			__DIR__ . '/data/anonymousClassWithTrait.php'
+		);
+		$usePointer = $codeSnifferFile->findNext(T_USE, 0);
+		$this->assertTrue(UseStatementHelper::isTraitUse($codeSnifferFile, $usePointer));
+	}
+
 	public function testIsNotTraitUse()
 	{
 		$codeSnifferFile = $this->getCodeSnifferFile(

tests/Helpers/data/anonymousClassWithTrait.php

@@ -0,0 +1,5 @@
+<?php
+
+new class {
+	use BazTrait;
+};