homework-js/react/node_modules/dom-accessibility-api/dist/polyfills/SetLike.mjs

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

// for environments without Set we fallback to arrays with unique members
var SetLike = /*#__PURE__*/function () {
  function SetLike() {
    var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];

    _classCallCheck(this, SetLike);

    _defineProperty(this, "items", void 0);

    this.items = items;
  }

  _createClass(SetLike, [{
    key: "add",
    value: function add(value) {
      if (this.has(value) === false) {
        this.items.push(value);
      }

      return this;
    }
  }, {
    key: "clear",
    value: function clear() {
      this.items = [];
    }
  }, {
    key: "delete",
    value: function _delete(value) {
      var previousLength = this.items.length;
      this.items = this.items.filter(function (item) {
        return item !== value;
      });
      return previousLength !== this.items.length;
    }
  }, {
    key: "forEach",
    value: function forEach(callbackfn) {
      var _this = this;

      this.items.forEach(function (item) {
        callbackfn(item, item, _this);
      });
    }
  }, {
    key: "has",
    value: function has(value) {
      return this.items.indexOf(value) !== -1;
    }
  }, {
    key: "size",
    get: function get() {
      return this.items.length;
    }
  }]);

  return SetLike;
}();

export default typeof Set === "undefined" ? Set : SetLike;
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