work.suroh.tk/node_modules/rxjs/_esm5/observable/ArrayLikeObservable.js

72 lines
2.6 KiB
JavaScript

/** PURE_IMPORTS_START .._Observable,._ScalarObservable,._EmptyObservable PURE_IMPORTS_END */
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b)
if (b.hasOwnProperty(p))
d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
import { Observable } from '../Observable';
import { ScalarObservable } from './ScalarObservable';
import { EmptyObservable } from './EmptyObservable';
/**
* We need this JSDoc comment for affecting ESDoc.
* @extends {Ignored}
* @hide true
*/
export var ArrayLikeObservable = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
__extends(ArrayLikeObservable, _super);
function ArrayLikeObservable(arrayLike, scheduler) {
_super.call(this);
this.arrayLike = arrayLike;
this.scheduler = scheduler;
if (!scheduler && arrayLike.length === 1) {
this._isScalar = true;
this.value = arrayLike[0];
}
}
ArrayLikeObservable.create = function (arrayLike, scheduler) {
var length = arrayLike.length;
if (length === 0) {
return new EmptyObservable();
}
else if (length === 1) {
return new ScalarObservable(arrayLike[0], scheduler);
}
else {
return new ArrayLikeObservable(arrayLike, scheduler);
}
};
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);
};
/** @deprecated internal use only */ 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();
}
};
return ArrayLikeObservable;
}(Observable));
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