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node_modules/eslint/lib/rules/no-restricted-syntax.js 1.12 KB
c39994410   Ryan Glover   wip converting to...
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  /**
   * @fileoverview Rule to flag use of certain node types
   * @author Burak Yigit Kaya
   * @copyright 2015 Burak Yigit Kaya. All rights reserved.
   */
  "use strict";
  
  //------------------------------------------------------------------------------
  // Rule Definition
  //------------------------------------------------------------------------------
  
  var nodeTypes = require("espree").Syntax;
  
  module.exports = function(context) {
      /**
       * Generates a warning from the provided node, saying that node type is not allowed.
       * @param {ASTNode} node The node to warn on
       * @returns {void}
       */
      function warn(node) {
          context.report(node, "Using \"{{type}}\" is not allowed.", node);
      }
  
      return context.options.reduce(function(result, nodeType) {
          result[nodeType] = warn;
  
          return result;
      }, {});
  
  };
  
  module.exports.schema = {
      "type": "array",
      "items": [
          {
              "enum": [0, 1, 2]
          },
          {
              "enum": Object.keys(nodeTypes).map(function(k) {
                  return nodeTypes[k];
              })
          }
      ],
      "uniqueItems": true,
      "minItems": 1
  };