message: correctly flagging 'this' as simple expression
diff: @@ -312,7 +312,7 @@ export class TSHelper {
  // Returns true for expressions that may have effects when evaluated
  public static isExpressionWithEvaluationEffect(node: ts.Expression): boolean {
  - return !(ts.isLiteralExpression(node) || ts.isIdentifier(node));
  + return !(ts.isLiteralExpression(node) || ts.isIdentifier(node) || node.kind === ts.SyntaxKind.ThisKeyword);
  }
  // If expression is property/element access with possible effects from being evaluated, returns true along with the
  