@reactivex/rxjs
Version:
Reactive Extensions for modern JavaScript
70 lines • 2.83 kB
JavaScript
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 __());
};
define(["require", "exports", '../Subscriber'], function (require, exports, Subscriber_1) {
"use strict";
/**
* Returns an Observable that emits whether or not every item of the source satisfies the condition specified.
* @param {function} predicate a function for determining if an item meets a specified condition.
* @param {any} [thisArg] optional object to use for `this` in the callback
* @return {Observable} an Observable of booleans that determines if all items of the source Observable meet the condition specified.
* @method every
* @owner Observable
*/
function every(predicate, thisArg) {
var source = this;
return source.lift(new EveryOperator(predicate, thisArg, source));
}
exports.every = every;
var EveryOperator = (function () {
function EveryOperator(predicate, thisArg, source) {
this.predicate = predicate;
this.thisArg = thisArg;
this.source = source;
}
EveryOperator.prototype.call = function (observer, source) {
return source._subscribe(new EverySubscriber(observer, this.predicate, this.thisArg, this.source));
};
return EveryOperator;
}());
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
var EverySubscriber = (function (_super) {
__extends(EverySubscriber, _super);
function EverySubscriber(destination, predicate, thisArg, source) {
_super.call(this, destination);
this.predicate = predicate;
this.thisArg = thisArg;
this.source = source;
this.index = 0;
this.thisArg = thisArg || this;
}
EverySubscriber.prototype.notifyComplete = function (everyValueMatch) {
this.destination.next(everyValueMatch);
this.destination.complete();
};
EverySubscriber.prototype._next = function (value) {
var result = false;
try {
result = this.predicate.call(this.thisArg, value, this.index++, this.source);
}
catch (err) {
this.destination.error(err);
return;
}
if (!result) {
this.notifyComplete(false);
}
};
EverySubscriber.prototype._complete = function () {
this.notifyComplete(true);
};
return EverySubscriber;
}(Subscriber_1.Subscriber));
});
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