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

Interactivity plugin for @atlaskit/editor-core

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.BoundedList = void 0;
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
/** An array that forgets its oldest item once it holds more than `limit`. */
var BoundedList = exports.BoundedList = /*#__PURE__*/function () {
  function BoundedList(limit) {
    (0, _classCallCheck2.default)(this, BoundedList);
    (0, _defineProperty2.default)(this, "items", []);
    this.limit = limit;
  }
  return (0, _createClass2.default)(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;
    }
  }]);
}();