@jsenv/plugin-transpilation/src/babel/babel_helper_directory/babel_helpers/defineProperty/defineProperty.js

TODO

import toPropertyKey from "../toPropertyKey/toPropertyKey.js";

export default (obj, key, value) => {
  key = toPropertyKey(key);
  // Shortcircuit the slow defineProperty path when possible.
  // We are trying to avoid issues where setters defined on the
  // prototype cause side effects under the fast path of simple
  // assignment. By checking for existence of the property with
  // the in operator, we can optimize most of this overhead away.
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value,
      enumerable: true,
      configurable: true,
      writable: true,
    });
  } else {
    obj[key] = value;
  }
  return obj;
};