| "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 Action_1 = require("./Action"); |
| var AsyncAction = (function (_super) { |
| __extends(AsyncAction, _super); |
| function AsyncAction(scheduler, work) { |
| var _this = _super.call(this, scheduler, work) || this; |
| _this.scheduler = scheduler; |
| _this.work = work; |
| _this.pending = false; |
| return _this; |
| } |
| AsyncAction.prototype.schedule = function (state, delay) { |
| if (delay === void 0) { delay = 0; } |
| if (this.closed) { |
| return this; |
| } |
| this.state = state; |
| var id = this.id; |
| var scheduler = this.scheduler; |
| if (id != null) { |
| this.id = this.recycleAsyncId(scheduler, id, delay); |
| } |
| this.pending = true; |
| this.delay = delay; |
| this.id = this.id || this.requestAsyncId(scheduler, this.id, delay); |
| return this; |
| }; |
| AsyncAction.prototype.requestAsyncId = function (scheduler, id, delay) { |
| if (delay === void 0) { delay = 0; } |
| return setInterval(scheduler.flush.bind(scheduler, this), delay); |
| }; |
| AsyncAction.prototype.recycleAsyncId = function (scheduler, id, delay) { |
| if (delay === void 0) { delay = 0; } |
| if (delay !== null && this.delay === delay && this.pending === false) { |
| return id; |
| } |
| clearInterval(id); |
| return undefined; |
| }; |
| AsyncAction.prototype.execute = function (state, delay) { |
| if (this.closed) { |
| return new Error('executing a cancelled action'); |
| } |
| this.pending = false; |
| var error = this._execute(state, delay); |
| if (error) { |
| return error; |
| } |
| else if (this.pending === false && this.id != null) { |
| this.id = this.recycleAsyncId(this.scheduler, this.id, null); |
| } |
| }; |
| AsyncAction.prototype._execute = function (state, delay) { |
| var errored = false; |
| var errorValue = undefined; |
| try { |
| this.work(state); |
| } |
| catch (e) { |
| errored = true; |
| errorValue = !!e && e || new Error(e); |
| } |
| if (errored) { |
| this.unsubscribe(); |
| return errorValue; |
| } |
| }; |
| AsyncAction.prototype._unsubscribe = function () { |
| var id = this.id; |
| var scheduler = this.scheduler; |
| var actions = scheduler.actions; |
| var index = actions.indexOf(this); |
| this.work = null; |
| this.state = null; |
| this.pending = false; |
| this.scheduler = null; |
| if (index !== -1) { |
| actions.splice(index, 1); |
| } |
| if (id != null) { |
| this.id = this.recycleAsyncId(scheduler, id, null); |
| } |
| this.delay = null; |
| }; |
| return AsyncAction; |
| }(Action_1.Action)); |
| exports.AsyncAction = AsyncAction; |
| //# sourceMappingURL=AsyncAction.js.map |