65 lines
1.8 KiB
JavaScript
65 lines
1.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports["default"] = void 0;
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function _classCallCheck(instance, Constructor) {
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if (!(instance instanceof Constructor)) {
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throw new TypeError("Cannot call a class as a function");
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}
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}
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function _defineProperties(target, props) {
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for (var i = 0; i < props.length; i++) {
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var descriptor = props[i];
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descriptor.enumerable = descriptor.enumerable || false;
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descriptor.configurable = true;
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if ("value" in descriptor) descriptor.writable = true;
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Object.defineProperty(target, descriptor.key, descriptor);
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}
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}
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function _createClass(Constructor, protoProps, staticProps) {
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if (protoProps) _defineProperties(Constructor.prototype, protoProps);
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if (staticProps) _defineProperties(Constructor, staticProps);
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return Constructor;
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}
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function _defineProperty(obj, key, value) {
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if (key in obj) {
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Object.defineProperty(obj, key, {value: value, enumerable: true, configurable: true, writable: true});
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} else {
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obj[key] = value;
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}
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return obj;
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}
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var Cache = /*#__PURE__*/function () {
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function Cache() {
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_classCallCheck(this, Cache);
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_defineProperty(this, "cache", {});
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}
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_createClass(Cache, [{
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key: "get",
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/**
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* If item with supplied {@code key} is present in cache, returns it, otherwise executes
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* {@code supplier} function and caches the result.
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*
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* @param key {String} key of the cache
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* @param supplier {function} item supplier
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* @return {Object} item
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*/
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value: function get(key, supplier) {
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return this.cache[key] || (this.cache[key] = supplier.apply());
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}
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}]);
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return Cache;
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}();
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exports["default"] = Cache; |