tools/node_modules/babel-eslint/node_modules/@babel/types/lib/modifications/inherits.js


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"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = inherits;

var _constants = require("../constants");

var _inheritsComments = _interopRequireDefault(require("../comments/inheritsComments"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function inherits(child, parent) {
  if (!child || !parent) return child;

  for (const key of _constants.INHERIT_KEYS.optional) {
    if (child[key] == null) {
      child[key] = parent[key];
    }
  }

  for (const key of Object.keys(parent)) {
    if (key[0] === "_" && key !== "__clone") child[key] = parent[key];
  }

  for (const key of _constants.INHERIT_KEYS.force) {
    child[key] = parent[key];
  }

  (0, _inheritsComments.default)(child, parent);
  return child;
}