format space before single-line blocks

Author: aozgaa

src/services/formatting/rules.ts

@@ -290,15 +290,15 @@ namespace ts.formatting {
 
             // Place a space before open brace in a function declaration
             this.FunctionOpenBraceLeftTokenRange = Shared.TokenRange.AnyIncludingMultilineComments;
-            this.SpaceBeforeOpenBraceInFunction = new Rule(RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, SyntaxKind.OpenBraceToken), RuleOperation.create2(new RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), RuleAction.Space), RuleFlags.CanDeleteNewLines);
+            this.SpaceBeforeOpenBraceInFunction = new Rule(RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, SyntaxKind.OpenBraceToken), RuleOperation.create2(new RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeBlockContext), RuleAction.Space), RuleFlags.CanDeleteNewLines);
 
             // Place a space before open brace in a TypeScript declaration that has braces as children (class, module, enum, etc)
             this.TypeScriptOpenBraceLeftTokenRange = Shared.TokenRange.FromTokens([SyntaxKind.Identifier, SyntaxKind.MultiLineCommentTrivia, SyntaxKind.ClassKeyword, SyntaxKind.ExportKeyword, SyntaxKind.ImportKeyword]);
-            this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new Rule(RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, SyntaxKind.OpenBraceToken), RuleOperation.create2(new RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), RuleAction.Space), RuleFlags.CanDeleteNewLines);
+            this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new Rule(RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, SyntaxKind.OpenBraceToken), RuleOperation.create2(new RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeBlockContext), RuleAction.Space), RuleFlags.CanDeleteNewLines);
 
             // Place a space before open brace in a control flow construct
             this.ControlOpenBraceLeftTokenRange = Shared.TokenRange.FromTokens([SyntaxKind.CloseParenToken, SyntaxKind.MultiLineCommentTrivia, SyntaxKind.DoKeyword, SyntaxKind.TryKeyword, SyntaxKind.FinallyKeyword, SyntaxKind.ElseKeyword]);
-            this.SpaceBeforeOpenBraceInControl = new Rule(RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, SyntaxKind.OpenBraceToken), RuleOperation.create2(new RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), RuleAction.Space), RuleFlags.CanDeleteNewLines);
+            this.SpaceBeforeOpenBraceInControl = new Rule(RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, SyntaxKind.OpenBraceToken), RuleOperation.create2(new RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeBlockContext), RuleAction.Space), RuleFlags.CanDeleteNewLines);
 
             // Insert a space after { and before } in single-line contexts, but remove space from empty object literals {}.
             this.SpaceAfterOpenBrace = new Rule(RuleDescriptor.create3(SyntaxKind.OpenBraceToken, Shared.TokenRange.Any), RuleOperation.create2(new RuleOperationContext(Rules.IsOptionEnabledOrUndefined("insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces"), Rules.IsBraceWrappedContext), RuleAction.Space));
@@ -644,25 +644,8 @@ namespace ts.formatting {
             return context.contextNode.kind === SyntaxKind.ConditionalExpression;
         }
 
-        static IsSameLineTokenOrBeforeMultilineBlockContext(context: FormattingContext): boolean {
-            //// This check is mainly used inside SpaceBeforeOpenBraceInControl and SpaceBeforeOpenBraceInFunction.
-            ////
-            //// Ex:
-            //// if (1)     { ....
-            ////      * ) and { are on the same line so apply the rule. Here we don't care whether it's same or multi block context
-            ////
-            //// Ex:
-            //// if (1)
-            //// { ... }
-            ////      * ) and { are on different lines. We only need to format if the block is multiline context. So in this case we don't format.
-            ////
-            //// Ex:
-            //// if (1)
-            //// { ...
-            //// }
-            ////      * ) and { are on different lines. We only need to format if the block is multiline context. So in this case we format.
-
-            return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context);
+        static IsSameLineTokenOrBeforeBlockContext(context: FormattingContext): boolean {
+            return context.TokensAreOnSameLine() || Rules.IsBeforeBlockContext(context);
         }
 
         static IsBraceWrappedContext(context: FormattingContext): boolean {