You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.7 KiB
74 lines
2.7 KiB
"use strict"; |
|
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 __()); |
|
}; |
|
var Subscriber_1 = require('../Subscriber'); |
|
/** |
|
* Returns an Observable that emits whether or not every item of the source satisfies the condition specified. |
|
* |
|
* @example <caption>A simple example emitting true if all elements are less than 5, false otherwise</caption> |
|
* Observable.of(1, 2, 3, 4, 5, 6) |
|
* .every(x => x < 5) |
|
* .subscribe(x => console.log(x)); // -> false |
|
* |
|
* @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) { |
|
return function (source) { 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)); |
|
//# sourceMappingURL=every.js.map
|