avoid redundant parens

Author: Andarist

src/compiler/transformers/ts.ts

@@ -1898,12 +1898,9 @@ export function transformTypeScript(context: TransformationContext) {
                     : factory.createBinaryExpression(factory.createNumericLiteral(0), SyntaxKind.SlashToken, factory.createNumericLiteral(0));
             }
             if (!isFinite(value)) {
-                const infinity = resolver.isNameReferencingGlobalValueAtLocation("Infinity", member)
+                return resolver.isNameReferencingGlobalValueAtLocation("Infinity", member)
                     ? factory.createIdentifier("Infinity")
-                    : factory.createBinaryExpression(factory.createNumericLiteral(1), SyntaxKind.SlashToken, factory.createNumericLiteral(0));
-                return value < 0
-                    ? factory.createPrefixUnaryExpression(SyntaxKind.MinusToken, infinity)
-                    : infinity;
+                    : factory.createBinaryExpression(value < 0 ? factory.createPrefixUnaryExpression(SyntaxKind.MinusToken, factory.createNumericLiteral(1)) : factory.createNumericLiteral(1), SyntaxKind.SlashToken, factory.createNumericLiteral(0));
             }
             return factory.createNumericLiteral(value);
         }

tests/baselines/reference/enumShadowedInfinityNaN2.js

@@ -23,6 +23,6 @@ var NaN = 5;
 var A;
 (function (A) {
     A[A["X"] = 1 / 0] = "X";
-    A[A["Y"] = -(1 / 0)] = "Y";
+    A[A["Y"] = -1 / 0] = "Y";
     A[A["B"] = 0 / 0] = "B";
 })(A || (exports.A = A = {}));