@atlaskit/editor-plugin-interactivity/dist/esm/collections/bounded-list.js

Interactivity plugin for @atlaskit/editor-core

import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _defineProperty from "@babel/runtime/helpers/defineProperty";
/** An array that forgets its oldest item once it holds more than `limit`. */
export var BoundedList = /*#__PURE__*/function () {
  function BoundedList(limit) {
    _classCallCheck(this, BoundedList);
    _defineProperty(this, "items", []);
    this.limit = limit;
  }
  return _createClass(BoundedList, [{
    key: "push",
    value: function push() {
      var _this$items;
      (_this$items = this.items).push.apply(_this$items, arguments);
      // Negative when there is still room, and `splice` then removes nothing.
      this.items.splice(0, this.items.length - this.limit);
    }
  }, {
    key: Symbol.iterator,
    value: function value() {
      return this.items[Symbol.iterator]();
    }
  }, {
    key: "findLast",
    value: function findLast(matches) {
      for (var index = this.items.length - 1; index >= 0; index -= 1) {
        if (matches(this.items[index])) {
          return this.items[index];
        }
      }
      return undefined;
    }
  }]);
}();