71 lines
3.1 KiB
JavaScript
71 lines
3.1 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 isArray_1 = require('../util/isArray');
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var isFunction_1 = require('../util/isFunction');
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var isPromise_1 = require('../util/isPromise');
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var isScheduler_1 = require('../util/isScheduler');
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var PromiseObservable_1 = require('./PromiseObservable');
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var IteratorObservable_1 = require('./IteratorObservable');
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var ArrayObservable_1 = require('./ArrayObservable');
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var ArrayLikeObservable_1 = require('./ArrayLikeObservable');
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var SymbolShim_1 = require('../util/SymbolShim');
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var Observable_1 = require('../Observable');
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var observeOn_1 = require('../operator/observeOn');
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var isArrayLike = (function (x) { return x && typeof x.length === 'number'; });
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var FromObservable = (function (_super) {
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__extends(FromObservable, _super);
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function FromObservable(ish, scheduler) {
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_super.call(this, null);
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this.ish = ish;
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this.scheduler = scheduler;
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}
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FromObservable.create = function (ish, mapFnOrScheduler, thisArg, lastScheduler) {
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var scheduler = null;
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var mapFn = null;
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if (isFunction_1.isFunction(mapFnOrScheduler)) {
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scheduler = lastScheduler || null;
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mapFn = mapFnOrScheduler;
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}
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else if (isScheduler_1.isScheduler(scheduler)) {
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scheduler = mapFnOrScheduler;
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}
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if (ish != null) {
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if (typeof ish[SymbolShim_1.SymbolShim.observable] === 'function') {
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if (ish instanceof Observable_1.Observable && !scheduler) {
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return ish;
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}
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return new FromObservable(ish, scheduler);
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}
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else if (isArray_1.isArray(ish)) {
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return new ArrayObservable_1.ArrayObservable(ish, scheduler);
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}
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else if (isPromise_1.isPromise(ish)) {
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return new PromiseObservable_1.PromiseObservable(ish, scheduler);
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}
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else if (typeof ish[SymbolShim_1.SymbolShim.iterator] === 'function' || typeof ish === 'string') {
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return new IteratorObservable_1.IteratorObservable(ish, null, null, scheduler);
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}
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else if (isArrayLike(ish)) {
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return new ArrayLikeObservable_1.ArrayLikeObservable(ish, mapFn, thisArg, scheduler);
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}
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}
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throw new TypeError((ish !== null && typeof ish || ish) + ' is not observable');
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};
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FromObservable.prototype._subscribe = function (subscriber) {
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var ish = this.ish;
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var scheduler = this.scheduler;
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if (scheduler == null) {
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return ish[SymbolShim_1.SymbolShim.observable]().subscribe(subscriber);
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}
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else {
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return ish[SymbolShim_1.SymbolShim.observable]().subscribe(new observeOn_1.ObserveOnSubscriber(subscriber, scheduler, 0));
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}
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};
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return FromObservable;
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}(Observable_1.Observable));
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exports.FromObservable = FromObservable;
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//# sourceMappingURL=FromObservable.js.map
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