ducha-qianduan/node_modules/rxjs/internal/scheduler/AsyncScheduler.js

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    }
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
var Scheduler_1 = require("../Scheduler");
var AsyncScheduler = (function (_super) {
    __extends(AsyncScheduler, _super);
    function AsyncScheduler(SchedulerAction, now) {
        if (now === void 0) { now = Scheduler_1.Scheduler.now; }
        var _this = _super.call(this, SchedulerAction, function () {
            if (AsyncScheduler.delegate && AsyncScheduler.delegate !== _this) {
                return AsyncScheduler.delegate.now();
            }
            else {
                return now();
            }
        }) || this;
        _this.actions = [];
        _this.active = false;
        _this.scheduled = undefined;
        return _this;
    }
    AsyncScheduler.prototype.schedule = function (work, delay, state) {
        if (delay === void 0) { delay = 0; }
        if (AsyncScheduler.delegate && AsyncScheduler.delegate !== this) {
            return AsyncScheduler.delegate.schedule(work, delay, state);
        }
        else {
            return _super.prototype.schedule.call(this, work, delay, state);
        }
    };
    AsyncScheduler.prototype.flush = function (action) {
        var actions = this.actions;
        if (this.active) {
            actions.push(action);
            return;
        }
        var error;
        this.active = true;
        do {
            if (error = action.execute(action.state, action.delay)) {
                break;
            }
        } while (action = actions.shift());
        this.active = false;
        if (error) {
            while (action = actions.shift()) {
                action.unsubscribe();
            }
            throw error;
        }
    };
    return AsyncScheduler;
}(Scheduler_1.Scheduler));
exports.AsyncScheduler = AsyncScheduler;
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