"use strict";

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports["default"] = void 0;

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;
}

var Cache = /*#__PURE__*/function () {
    function Cache() {
        _classCallCheck(this, Cache);

        _defineProperty(this, "cache", {});
    }

    _createClass(Cache, [{
        key: "get",

        /**
         * If item with supplied {@code key} is present in cache, returns it, otherwise executes
         * {@code supplier} function and caches the result.
         *
         * @param key {String}  key of the cache
         * @param supplier {function}  item supplier
         * @return {Object}  item
         */
        value: function get(key, supplier) {
            return this.cache[key] || (this.cache[key] = supplier.apply());
        }
    }]);

    return Cache;
}();

exports["default"] = Cache;