135 lines
4.6 KiB
JavaScript
135 lines
4.6 KiB
JavaScript
"use strict";
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var __extends = (this && this.__extends) || function (d, b) {
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for (var p in b) if (b.hasOwnProperty(p)) 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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var Observable_1 = require('../Observable');
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var isScheduler_1 = require('../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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var GenerateObservable = (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_1.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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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_1.Observable));
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exports.GenerateObservable = GenerateObservable;
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//# sourceMappingURL=GenerateObservable.js.map
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