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"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 innerSubscribe_1 = require("../innerSubscribe");
function distinct(keySelector, flushes) {
return function (source) { return source.lift(new DistinctOperator(keySelector, flushes)); };
}
exports.distinct = distinct;
var DistinctOperator = (function () {
function DistinctOperator(keySelector, flushes) {
this.keySelector = keySelector;
this.flushes = flushes;
}
DistinctOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new DistinctSubscriber(subscriber, this.keySelector, this.flushes));
};
return DistinctOperator;
}());
var DistinctSubscriber = (function (_super) {
__extends(DistinctSubscriber, _super);
function DistinctSubscriber(destination, keySelector, flushes) {
var _this = _super.call(this, destination) || this;
_this.keySelector = keySelector;
_this.values = new Set();
if (flushes) {
_this.add(innerSubscribe_1.innerSubscribe(flushes, new innerSubscribe_1.SimpleInnerSubscriber(_this)));
}
return _this;
}
DistinctSubscriber.prototype.notifyNext = function () {
this.values.clear();
};
DistinctSubscriber.prototype.notifyError = function (error) {
this._error(error);
};
DistinctSubscriber.prototype._next = function (value) {
if (this.keySelector) {
this._useKeySelector(value);
}
else {
this._finalizeNext(value, value);
}
};
DistinctSubscriber.prototype._useKeySelector = function (value) {
var key;
var destination = this.destination;
try {
key = this.keySelector(value);
}
catch (err) {
destination.error(err);
return;
}
this._finalizeNext(key, value);
};
DistinctSubscriber.prototype._finalizeNext = function (key, value) {
var values = this.values;
if (!values.has(key)) {
values.add(key);
this.destination.next(value);
}
};
return DistinctSubscriber;
}(innerSubscribe_1.SimpleOuterSubscriber));
exports.DistinctSubscriber = DistinctSubscriber;
//# sourceMappingURL=distinct.js.map
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