/**
   * @fileoverview Rule to flag use of an object property of the global object (Math and JSON) as a function
   * @author James Allardice
   */
  
  "use strict";
  
  //------------------------------------------------------------------------------
  // Rule Definition
  //------------------------------------------------------------------------------
  
  module.exports = {
      meta: {
          docs: {
              description: "disallow calling global object properties as functions",
              category: "Possible Errors",
              recommended: true
          },
  
          schema: []
      },
  
      create(context) {
  
          return {
              CallExpression(node) {
  
                  if (node.callee.type === "Identifier") {
                      const name = node.callee.name;
  
                      if (name === "Math" || name === "JSON" || name === "Reflect") {
                          context.report({ node, message: "'{{name}}' is not a function.", data: { name } });
                      }
                  }
              }
          };
  
      }
  };