| /** PURE_IMPORTS_START tslib,_Action PURE_IMPORTS_END */ | 
| import * as tslib_1 from "tslib"; | 
| import { Action } from './Action'; | 
| var AsyncAction = /*@__PURE__*/ (function (_super) { | 
|     tslib_1.__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)); | 
| export { AsyncAction }; | 
| //# sourceMappingURL=AsyncAction.js.map |