@acutmore/rxjs
Version:
Reactive Extensions for modern JavaScript
77 lines • 2.92 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
var Observable_1 = require("../Observable");
var ScalarObservable_1 = require("./ScalarObservable");
var EmptyObservable_1 = require("./EmptyObservable");
/**
* We need this JSDoc comment for affecting ESDoc.
* @extends {Ignored}
* @hide true
*/
var ArrayLikeObservable = /** @class */ (function (_super) {
__extends(ArrayLikeObservable, _super);
function ArrayLikeObservable(arrayLike, scheduler) {
var _this = _super.call(this) || this;
_this.arrayLike = arrayLike;
_this.scheduler = scheduler;
if (!scheduler && arrayLike.length === 1) {
_this._isScalar = true;
_this.value = arrayLike[0];
}
return _this;
}
ArrayLikeObservable.dispatch = function (state) {
var arrayLike = state.arrayLike, index = state.index, length = state.length, subscriber = state.subscriber;
if (subscriber.closed) {
return;
}
if (index >= length) {
subscriber.complete();
return;
}
subscriber.next(arrayLike[index]);
state.index = index + 1;
this.schedule(state);
};
ArrayLikeObservable.prototype._subscribe = function (subscriber) {
var index = 0;
var _a = this, arrayLike = _a.arrayLike, scheduler = _a.scheduler;
var length = arrayLike.length;
if (scheduler) {
return scheduler.schedule(ArrayLikeObservable.dispatch, 0, {
arrayLike: arrayLike, index: index, length: length, subscriber: subscriber
});
}
else {
for (var i = 0; i < length && !subscriber.closed; i++) {
subscriber.next(arrayLike[i]);
}
subscriber.complete();
}
};
ArrayLikeObservable.create = (function (arrayLike, scheduler) {
var length = arrayLike.length;
if (length === 0) {
return new EmptyObservable_1.EmptyObservable();
}
else if (length === 1) {
return new ScalarObservable_1.ScalarObservable(arrayLike[0], scheduler);
}
else {
return new ArrayLikeObservable(arrayLike, scheduler);
}
});
return ArrayLikeObservable;
}(Observable_1.Observable));
exports.ArrayLikeObservable = ArrayLikeObservable;
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