42 lines
1.6 KiB
JavaScript
42 lines
1.6 KiB
JavaScript
"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; |