/**
   * @fileoverview Rule to disallow use of void operator.
   * @author Mike Sidorov
   */
  "use strict";
  
  //------------------------------------------------------------------------------
  // Rule Definition
  //------------------------------------------------------------------------------
  
  module.exports = {
      meta: {
          docs: {
              description: "disallow `void` operators",
              category: "Best Practices",
              recommended: false
          },
  
          schema: []
      },
  
      create(context) {
  
          //--------------------------------------------------------------------------
          // Public
          //--------------------------------------------------------------------------
  
          return {
              UnaryExpression(node) {
                  if (node.operator === "void") {
                      context.report({ node, message: "Expected 'undefined' and instead saw 'void'." });
                  }
              }
          };
  
      }
  };