70 lines
2.5 KiB
JavaScript
70 lines
2.5 KiB
JavaScript
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"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 ScalarObservable_1 = require('./ScalarObservable');
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var EmptyObservable_1 = require('./EmptyObservable');
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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 ArrayLikeObservable = (function (_super) {
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__extends(ArrayLikeObservable, _super);
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function ArrayLikeObservable(arrayLike, scheduler) {
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_super.call(this);
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this.arrayLike = arrayLike;
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this.scheduler = scheduler;
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if (!scheduler && arrayLike.length === 1) {
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this._isScalar = true;
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this.value = arrayLike[0];
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}
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}
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ArrayLikeObservable.create = function (arrayLike, scheduler) {
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var length = arrayLike.length;
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if (length === 0) {
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return new EmptyObservable_1.EmptyObservable();
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}
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else if (length === 1) {
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return new ScalarObservable_1.ScalarObservable(arrayLike[0], scheduler);
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}
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else {
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return new ArrayLikeObservable(arrayLike, scheduler);
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}
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};
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ArrayLikeObservable.dispatch = function (state) {
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var arrayLike = state.arrayLike, index = state.index, length = state.length, subscriber = state.subscriber;
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if (subscriber.closed) {
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return;
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}
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if (index >= length) {
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subscriber.complete();
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return;
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}
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subscriber.next(arrayLike[index]);
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state.index = index + 1;
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this.schedule(state);
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};
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/** @deprecated internal use only */ ArrayLikeObservable.prototype._subscribe = function (subscriber) {
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var index = 0;
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var _a = this, arrayLike = _a.arrayLike, scheduler = _a.scheduler;
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var length = arrayLike.length;
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if (scheduler) {
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return scheduler.schedule(ArrayLikeObservable.dispatch, 0, {
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arrayLike: arrayLike, index: index, length: length, subscriber: subscriber
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});
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}
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else {
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for (var i = 0; i < length && !subscriber.closed; i++) {
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subscriber.next(arrayLike[i]);
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}
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subscriber.complete();
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}
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};
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return ArrayLikeObservable;
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}(Observable_1.Observable));
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exports.ArrayLikeObservable = ArrayLikeObservable;
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//# sourceMappingURL=ArrayLikeObservable.js.map
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