remove parentheses also when expression at ending

Author: bigaru

src/services/refactors/convertStringOrTemplateLiteral.ts

@@ -164,15 +164,14 @@ namespace ts.refactor.convertStringOrTemplateLiteral {
                     i++;
                 }
 
-                if (isParenthesizedExpression(current)) current = current.expression;
                 text = cleanString(text);
-
                 templatePart = i === nodes.length - 1 ? createTemplateTail(text) : createTemplateMiddle(text);
             }
             else {
                 templatePart = i === nodes.length - 1 ? createTemplateTail("") : createTemplateMiddle("");
             }
 
+            if (isParenthesizedExpression(current)) current = current.expression;
             spans.push(createTemplateSpan(current as Expression, templatePart));
         }
 

tests/cases/fourslash/refactorConvertStringOrTemplateLiteral_ToTemplateBinaryExprInEnding.ts

@@ -0,0 +1,12 @@
+/// <reference path='fourslash.ts' />
+
+//// const foo = "/*x*/f/*y*/oobar is " + (42 + 6)
+
+goTo.select("x", "y");
+edit.applyRefactor({
+    refactorName: "Convert string concatenation or template literal",
+    actionName: "Convert to template literal",
+    actionDescription: "Convert to template literal",
+    newContent:
+"const foo = `foobar is \${42 + 6}`",
+});