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.
 
 
 

69 lines
2.4 KiB

"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
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 extendStatics(d, b);
}
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 Subscriber_1 = require("../Subscriber");
function takeWhile(predicate, inclusive) {
if (inclusive === void 0) { inclusive = false; }
return function (source) {
return source.lift(new TakeWhileOperator(predicate, inclusive));
};
}
exports.takeWhile = takeWhile;
var TakeWhileOperator = (function () {
function TakeWhileOperator(predicate, inclusive) {
this.predicate = predicate;
this.inclusive = inclusive;
}
TakeWhileOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new TakeWhileSubscriber(subscriber, this.predicate, this.inclusive));
};
return TakeWhileOperator;
}());
var TakeWhileSubscriber = (function (_super) {
__extends(TakeWhileSubscriber, _super);
function TakeWhileSubscriber(destination, predicate, inclusive) {
var _this = _super.call(this, destination) || this;
_this.predicate = predicate;
_this.inclusive = inclusive;
_this.index = 0;
return _this;
}
TakeWhileSubscriber.prototype._next = function (value) {
var destination = this.destination;
var result;
try {
result = this.predicate(value, this.index++);
}
catch (err) {
destination.error(err);
return;
}
this.nextOrComplete(value, result);
};
TakeWhileSubscriber.prototype.nextOrComplete = function (value, predicateResult) {
var destination = this.destination;
if (Boolean(predicateResult)) {
destination.next(value);
}
else {
if (this.inclusive) {
destination.next(value);
}
destination.complete();
}
};
return TakeWhileSubscriber;
}(Subscriber_1.Subscriber));
//# sourceMappingURL=takeWhile.js.map