/**
 * @fileoverview Reject defining Cc/Ci/Cr/Cu.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

"use strict";

// -----------------------------------------------------------------------------
// Rule Definition
// -----------------------------------------------------------------------------

const componentsBlacklist = ["Cc", "Ci", "Cr", "Cu"];

module.exports = function(context) {
  // ---------------------------------------------------------------------------
  // Public
  //  --------------------------------------------------------------------------

  return {
    VariableDeclarator(node) {
      if (
        node.id.type == "Identifier" &&
        componentsBlacklist.includes(node.id.name)
      ) {
        context.report(
          node,
          `${node.id.name} is now defined in global scope, a separate definition is no longer necessary.`
        );
      }

      if (node.id.type == "ObjectPattern") {
        for (let property of node.id.properties) {
          if (
            property.type == "Property" &&
            componentsBlacklist.includes(property.value.name)
          ) {
            context.report(
              node,
              `${property.value.name} is now defined in global scope, a separate definition is no longer necessary.`
            );
          }
        }
      }
    },
  };
};