Ignore open brace if followed by magic methods

Adds exception to open brace after `foreach` and `where` magic methods. For example, the open brace in `(1..5).foreach{$_}` will not formatted but the one in `1..5 | foreach{$_}` will be formatted.

Author: Kapil Borle

Rules/UseConsistentWhitespace.cs

@@ -195,9 +195,11 @@ private IEnumerable<DiagnosticRecord> FindOpenBraceViolations(TokenOperations to
         {
             foreach (var lcurly in tokenOperations.GetTokenNodes(TokenKind.LCurly))
             {
+
                 if (lcurly.Previous == null
                     || !IsPreviousTokenOnSameLine(lcurly)
-                    || lcurly.Previous.Value.Kind == TokenKind.LCurly)
+                    || lcurly.Previous.Value.Kind == TokenKind.LCurly
+                    || ((lcurly.Previous.Value.TokenFlags & TokenFlags.MemberName) == TokenFlags.MemberName))
                 {
                     continue;
                 }

Tests/Rules/UseConsistentWhitespace.tests.ps1

@@ -45,6 +45,20 @@ if($true) {}
             $violations.Count | Should Be 0
         }
 
+        It "Should not find violation if an open brace follows a foreach member invocation" {
+            $def = @'
+(1..5).foreach{$_}
+'@
+            Invoke-ScriptAnalyzer -ScriptDefinition $def -Settings $settings | Should Be $null
+        }
+
+        It "Should not find violation if an open brace follows a where member invocation" {
+            $def = @'
+(1..5).where{$_}
+'@
+            Invoke-ScriptAnalyzer -ScriptDefinition $def -Settings $settings | Should Be $null
+        }
+
     }
 
     Context "When a parenthesis follows a keyword" {