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137 lines
4.7 KiB
137 lines
4.7 KiB
/** PURE_IMPORTS_START .._Observable,.._util_isScheduler PURE_IMPORTS_END */ |
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var __extends = (this && this.__extends) || function (d, b) { |
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for (var p in b) |
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if (b.hasOwnProperty(p)) |
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d[p] = b[p]; |
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function __() { this.constructor = d; } |
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); |
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}; |
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import { Observable } from '../Observable'; |
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import { isScheduler } from '../util/isScheduler'; |
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var selfSelector = function (value) { return value; }; |
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/** |
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* We need this JSDoc comment for affecting ESDoc. |
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* @extends {Ignored} |
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* @hide true |
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*/ |
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export var GenerateObservable = /*@__PURE__*/ (/*@__PURE__*/ function (_super) { |
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__extends(GenerateObservable, _super); |
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function GenerateObservable(initialState, condition, iterate, resultSelector, scheduler) { |
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_super.call(this); |
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this.initialState = initialState; |
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this.condition = condition; |
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this.iterate = iterate; |
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this.resultSelector = resultSelector; |
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this.scheduler = scheduler; |
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} |
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GenerateObservable.create = function (initialStateOrOptions, condition, iterate, resultSelectorOrObservable, scheduler) { |
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if (arguments.length == 1) { |
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return new GenerateObservable(initialStateOrOptions.initialState, initialStateOrOptions.condition, initialStateOrOptions.iterate, initialStateOrOptions.resultSelector || selfSelector, initialStateOrOptions.scheduler); |
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} |
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if (resultSelectorOrObservable === undefined || isScheduler(resultSelectorOrObservable)) { |
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return new GenerateObservable(initialStateOrOptions, condition, iterate, selfSelector, resultSelectorOrObservable); |
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} |
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return new GenerateObservable(initialStateOrOptions, condition, iterate, resultSelectorOrObservable, scheduler); |
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}; |
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/** @deprecated internal use only */ GenerateObservable.prototype._subscribe = function (subscriber) { |
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var state = this.initialState; |
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if (this.scheduler) { |
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return this.scheduler.schedule(GenerateObservable.dispatch, 0, { |
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subscriber: subscriber, |
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iterate: this.iterate, |
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condition: this.condition, |
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resultSelector: this.resultSelector, |
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state: state |
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}); |
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} |
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var _a = this, condition = _a.condition, resultSelector = _a.resultSelector, iterate = _a.iterate; |
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do { |
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if (condition) { |
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var conditionResult = void 0; |
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try { |
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conditionResult = condition(state); |
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} |
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catch (err) { |
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subscriber.error(err); |
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return; |
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} |
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if (!conditionResult) { |
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subscriber.complete(); |
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break; |
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} |
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} |
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var value = void 0; |
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try { |
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value = resultSelector(state); |
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} |
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catch (err) { |
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subscriber.error(err); |
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return; |
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} |
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subscriber.next(value); |
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if (subscriber.closed) { |
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break; |
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} |
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try { |
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state = iterate(state); |
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} |
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catch (err) { |
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subscriber.error(err); |
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return; |
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} |
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} while (true); |
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}; |
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GenerateObservable.dispatch = function (state) { |
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var subscriber = state.subscriber, condition = state.condition; |
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if (subscriber.closed) { |
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return; |
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} |
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if (state.needIterate) { |
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try { |
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state.state = state.iterate(state.state); |
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} |
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catch (err) { |
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subscriber.error(err); |
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return; |
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} |
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} |
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else { |
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state.needIterate = true; |
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} |
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if (condition) { |
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var conditionResult = void 0; |
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try { |
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conditionResult = condition(state.state); |
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} |
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catch (err) { |
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subscriber.error(err); |
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return; |
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} |
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if (!conditionResult) { |
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subscriber.complete(); |
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return; |
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} |
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if (subscriber.closed) { |
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return; |
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} |
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} |
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var value; |
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try { |
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value = state.resultSelector(state.state); |
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} |
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catch (err) { |
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subscriber.error(err); |
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return; |
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} |
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if (subscriber.closed) { |
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return; |
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} |
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subscriber.next(value); |
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if (subscriber.closed) { |
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return; |
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} |
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return this.schedule(state); |
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}; |
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return GenerateObservable; |
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}(Observable)); |
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//# sourceMappingURL=GenerateObservable.js.map
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