70 lines
2.5 KiB
JavaScript
70 lines
2.5 KiB
JavaScript
"use strict";
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var __read = (this && this.__read) || function (o, n) {
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var m = typeof Symbol === "function" && o[Symbol.iterator];
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if (!m) return o;
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var i = m.call(o), r, ar = [], e;
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try {
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while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
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}
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catch (error) { e = { error: error }; }
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finally {
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try {
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if (r && !r.done && (m = i["return"])) m.call(i);
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}
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finally { if (e) throw e.error; }
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}
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return ar;
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};
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var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
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if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
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if (ar || !(i in from)) {
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if (!ar) ar = Array.prototype.slice.call(from, 0, i);
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ar[i] = from[i];
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}
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}
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return to.concat(ar || Array.prototype.slice.call(from));
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.TimedSingleton = void 0;
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/**
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* Timed singleton generator.
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*
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* The `TimedSingleton` is a type of {@link Singleton} class who re-constructs the singleton
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* value repeatedly whenever specific time has been elapsed after the last lazy construction.
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*
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* @template T Type of the value to be lazy-constructed
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* @author Jeongho Nam - https://github.com/samchon
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*/
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var TimedSingleton = /** @class */ (function () {
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/**
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* Initializer Constructor.
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*
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* @param interval Specific interval time, to determine whether re-generation of the singleton value is required or not, as milliseconds
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* @param closure Lazy constructor function returning the target value
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*/
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function TimedSingleton(interval, closure) {
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this.interval_ = interval;
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this.closure_ = closure;
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this.value_ = null;
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this.expired_at_ = 0;
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}
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/**
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* Get value.
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*
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* @returns The lazy constructed value
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*/
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TimedSingleton.prototype.get = function () {
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var args = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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args[_i] = arguments[_i];
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}
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if (Date.now() >= this.expired_at_) {
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this.expired_at_ = Date.now() + this.interval_;
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this.value_ = this.closure_.apply(this, __spreadArray([], __read(args), false));
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}
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return this.value_;
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};
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return TimedSingleton;
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}());
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exports.TimedSingleton = TimedSingleton;
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//# sourceMappingURL=TimedSingleton.js.map
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