format [P in keyof T]

Author: saschanaz

src/services/formatting/rules.ts

@@ -358,7 +358,7 @@ namespace ts.formatting {
             this.NoSpaceAfterModuleImport = new Rule(RuleDescriptor.create2(Shared.TokenRange.FromTokens([SyntaxKind.ModuleKeyword, SyntaxKind.RequireKeyword]), SyntaxKind.OpenParenToken), RuleOperation.create2(new RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), RuleAction.Delete));
 
             // Add a space around certain TypeScript keywords
-            this.SpaceAfterCertainTypeScriptKeywords = new Rule(RuleDescriptor.create4(Shared.TokenRange.FromTokens([SyntaxKind.AbstractKeyword, SyntaxKind.ClassKeyword, SyntaxKind.DeclareKeyword, SyntaxKind.DefaultKeyword, SyntaxKind.EnumKeyword, SyntaxKind.ExportKeyword, SyntaxKind.ExtendsKeyword, SyntaxKind.GetKeyword, SyntaxKind.ImplementsKeyword, SyntaxKind.ImportKeyword, SyntaxKind.InterfaceKeyword, SyntaxKind.ModuleKeyword, SyntaxKind.NamespaceKeyword, SyntaxKind.PrivateKeyword, SyntaxKind.PublicKeyword, SyntaxKind.ProtectedKeyword, SyntaxKind.SetKeyword, SyntaxKind.StaticKeyword, SyntaxKind.TypeKeyword, SyntaxKind.FromKeyword]), Shared.TokenRange.Any), RuleOperation.create2(new RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), RuleAction.Space));
+            this.SpaceAfterCertainTypeScriptKeywords = new Rule(RuleDescriptor.create4(Shared.TokenRange.FromTokens([SyntaxKind.AbstractKeyword, SyntaxKind.ClassKeyword, SyntaxKind.DeclareKeyword, SyntaxKind.DefaultKeyword, SyntaxKind.EnumKeyword, SyntaxKind.ExportKeyword, SyntaxKind.ExtendsKeyword, SyntaxKind.GetKeyword, SyntaxKind.ImplementsKeyword, SyntaxKind.ImportKeyword, SyntaxKind.InterfaceKeyword, SyntaxKind.ModuleKeyword, SyntaxKind.NamespaceKeyword, SyntaxKind.PrivateKeyword, SyntaxKind.PublicKeyword, SyntaxKind.ProtectedKeyword, SyntaxKind.SetKeyword, SyntaxKind.StaticKeyword, SyntaxKind.TypeKeyword, SyntaxKind.FromKeyword, SyntaxKind.KeyOfKeyword]), Shared.TokenRange.Any), RuleOperation.create2(new RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), RuleAction.Space));
             this.SpaceBeforeCertainTypeScriptKeywords = new Rule(RuleDescriptor.create4(Shared.TokenRange.Any, Shared.TokenRange.FromTokens([SyntaxKind.ExtendsKeyword, SyntaxKind.ImplementsKeyword, SyntaxKind.FromKeyword])), RuleOperation.create2(new RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), RuleAction.Space));
 
             // Treat string literals in module names as identifiers, and add a space between the literal and the opening Brace braces, e.g.: module "m2" {
@@ -575,6 +575,8 @@ namespace ts.formatting {
                     return context.currentTokenSpan.kind === SyntaxKind.EqualsToken || context.nextTokenSpan.kind === SyntaxKind.EqualsToken;
                 // "in" keyword in for (let x in []) { }
                 case SyntaxKind.ForInStatement:
+                // "in" keyword in [P in keyof T]: T[P]
+                case SyntaxKind.TypeParameter:
                     return context.currentTokenSpan.kind === SyntaxKind.InKeyword || context.nextTokenSpan.kind === SyntaxKind.InKeyword;
                 // Technically, "of" is not a binary operator, but format it the same way as "in"
                 case SyntaxKind.ForOfStatement: