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Filename : withTimeout.js
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.withTimeout = void 0;
var tslib_1 = require("tslib");
/* eslint-disable @typescript-eslint/no-explicit-any */
var errors_1 = require("./errors");
function withTimeout(sync, timeout, timeoutError) {
    var _this = this;
    if (timeoutError === void 0) { timeoutError = errors_1.E_TIMEOUT; }
    return {
        acquire: function (weightOrPriority, priority) {
            var weight;
            if (isSemaphore(sync)) {
                weight = weightOrPriority;
            }
            else {
                weight = undefined;
                priority = weightOrPriority;
            }
            if (weight !== undefined && weight <= 0) {
                throw new Error("invalid weight ".concat(weight, ": must be positive"));
            }
            return new Promise(function (resolve, reject) { return tslib_1.__awaiter(_this, void 0, void 0, function () {
                var isTimeout, handle, ticket, release, e_1;
                return tslib_1.__generator(this, function (_a) {
                    switch (_a.label) {
                        case 0:
                            isTimeout = false;
                            handle = setTimeout(function () {
                                isTimeout = true;
                                reject(timeoutError);
                            }, timeout);
                            _a.label = 1;
                        case 1:
                            _a.trys.push([1, 3, , 4]);
                            return [4 /*yield*/, (isSemaphore(sync)
                                    ? sync.acquire(weight, priority)
                                    : sync.acquire(priority))];
                        case 2:
                            ticket = _a.sent();
                            if (isTimeout) {
                                release = Array.isArray(ticket) ? ticket[1] : ticket;
                                release();
                            }
                            else {
                                clearTimeout(handle);
                                resolve(ticket);
                            }
                            return [3 /*break*/, 4];
                        case 3:
                            e_1 = _a.sent();
                            if (!isTimeout) {
                                clearTimeout(handle);
                                reject(e_1);
                            }
                            return [3 /*break*/, 4];
                        case 4: return [2 /*return*/];
                    }
                });
            }); });
        },
        runExclusive: function (callback, weight, priority) {
            return tslib_1.__awaiter(this, void 0, void 0, function () {
                var release, ticket;
                return tslib_1.__generator(this, function (_a) {
                    switch (_a.label) {
                        case 0:
                            release = function () { return undefined; };
                            _a.label = 1;
                        case 1:
                            _a.trys.push([1, , 7, 8]);
                            return [4 /*yield*/, this.acquire(weight, priority)];
                        case 2:
                            ticket = _a.sent();
                            if (!Array.isArray(ticket)) return [3 /*break*/, 4];
                            release = ticket[1];
                            return [4 /*yield*/, callback(ticket[0])];
                        case 3: return [2 /*return*/, _a.sent()];
                        case 4:
                            release = ticket;
                            return [4 /*yield*/, callback()];
                        case 5: return [2 /*return*/, _a.sent()];
                        case 6: return [3 /*break*/, 8];
                        case 7:
                            release();
                            return [7 /*endfinally*/];
                        case 8: return [2 /*return*/];
                    }
                });
            });
        },
        release: function (weight) {
            sync.release(weight);
        },
        cancel: function () {
            return sync.cancel();
        },
        waitForUnlock: function (weightOrPriority, priority) {
            var weight;
            if (isSemaphore(sync)) {
                weight = weightOrPriority;
            }
            else {
                weight = undefined;
                priority = weightOrPriority;
            }
            if (weight !== undefined && weight <= 0) {
                throw new Error("invalid weight ".concat(weight, ": must be positive"));
            }
            return new Promise(function (resolve, reject) {
                var handle = setTimeout(function () { return reject(timeoutError); }, timeout);
                (isSemaphore(sync)
                    ? sync.waitForUnlock(weight, priority)
                    : sync.waitForUnlock(priority)).then(function () {
                    clearTimeout(handle);
                    resolve();
                });
            });
        },
        isLocked: function () { return sync.isLocked(); },
        getValue: function () { return sync.getValue(); },
        setValue: function (value) { return sync.setValue(value); },
    };
}
exports.withTimeout = withTimeout;
function isSemaphore(sync) {
    return sync.getValue !== undefined;
}