"use strict";
/**
 * Promise扩展模块
 * @date 2022-08
 * @author 何华东
 */
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.delay = exports.Sync = void 0;
/**
 * 异步锁
 */
var AsyncLock = /** @class */ (function () {
    function AsyncLock() {
        this.promise = Promise.resolve();
    }
    AsyncLock.prototype.enable = function () {
        var _this = this;
        this.promise = new Promise(function (resolve) { return _this.disable = resolve; });
    };
    return AsyncLock;
}());
/**
 * 异步方法同步执行器 `异步锁`
 *
 * ```ts
 * import { Sync } from "refs/nslib";
 *
 * //去掉注释
 * //@Sync()
 * async function test(){
 *   //todo...
 * }
 *
 * ```
 */
function Sync() {
    return function (target, propertyKey, descriptor) {
        var method = descriptor.value;
        var lock = new AsyncLock();
        descriptor.value = function () {
            var args = [];
            for (var _i = 0; _i < arguments.length; _i++) {
                args[_i] = arguments[_i];
            }
            return __awaiter(this, void 0, void 0, function () {
                var error_1;
                return __generator(this, function (_a) {
                    switch (_a.label) {
                        case 0: return [4 /*yield*/, lock.promise];
                        case 1:
                            _a.sent();
                            lock.enable();
                            _a.label = 2;
                        case 2:
                            _a.trys.push([2, 4, 5, 6]);
                            return [4 /*yield*/, method.apply(this, args)];
                        case 3: return [2 /*return*/, _a.sent()];
                        case 4:
                            error_1 = _a.sent();
                            throw error_1;
                        case 5:
                            lock.disable();
                            return [7 /*endfinally*/];
                        case 6: return [2 /*return*/];
                    }
                });
            });
        };
    };
}
exports.Sync = Sync;
/**
 * 延迟
 */
function delay(ms) {
    return new Promise(function (resolve) {
        setTimeout(resolve, ms);
    });
}
exports.delay = delay;
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