81 lines
2.8 KiB
JavaScript
81 lines
2.8 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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var isScheduler_1 = require('../util/isScheduler');
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var ArrayObservable = (function (_super) {
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__extends(ArrayObservable, _super);
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function ArrayObservable(array, scheduler) {
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_super.call(this);
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this.array = array;
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this.scheduler = scheduler;
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if (!scheduler && array.length === 1) {
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this._isScalar = true;
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this.value = array[0];
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}
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}
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ArrayObservable.create = function (array, scheduler) {
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return new ArrayObservable(array, scheduler);
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};
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ArrayObservable.of = function () {
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var array = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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array[_i - 0] = arguments[_i];
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}
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var scheduler = array[array.length - 1];
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if (isScheduler_1.isScheduler(scheduler)) {
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array.pop();
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}
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else {
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scheduler = null;
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}
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var len = array.length;
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if (len > 1) {
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return new ArrayObservable(array, scheduler);
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}
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else if (len === 1) {
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return new ScalarObservable_1.ScalarObservable(array[0], scheduler);
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}
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else {
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return new EmptyObservable_1.EmptyObservable(scheduler);
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}
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};
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ArrayObservable.dispatch = function (state) {
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var array = state.array, index = state.index, count = state.count, subscriber = state.subscriber;
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if (index >= count) {
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subscriber.complete();
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return;
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}
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subscriber.next(array[index]);
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if (subscriber.isUnsubscribed) {
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return;
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}
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state.index = index + 1;
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this.schedule(state);
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};
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ArrayObservable.prototype._subscribe = function (subscriber) {
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var index = 0;
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var array = this.array;
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var count = array.length;
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var scheduler = this.scheduler;
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if (scheduler) {
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return scheduler.schedule(ArrayObservable.dispatch, 0, {
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array: array, index: index, count: count, subscriber: subscriber
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});
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}
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else {
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for (var i = 0; i < count && !subscriber.isUnsubscribed; i++) {
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subscriber.next(array[i]);
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}
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subscriber.complete();
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}
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};
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return ArrayObservable;
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}(Observable_1.Observable));
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exports.ArrayObservable = ArrayObservable;
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//# sourceMappingURL=ArrayObservable.js.map
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