bufferCount.js
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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 Subscriber_1 = require("../Subscriber");
function bufferCount(bufferSize, startBufferEvery) {
if (startBufferEvery === void 0) { startBufferEvery = null; }
return function bufferCountOperatorFunction(source) {
return source.lift(new BufferCountOperator(bufferSize, startBufferEvery));
};
}
exports.bufferCount = bufferCount;
var BufferCountOperator = (function () {
function BufferCountOperator(bufferSize, startBufferEvery) {
this.bufferSize = bufferSize;
this.startBufferEvery = startBufferEvery;
if (!startBufferEvery || bufferSize === startBufferEvery) {
this.subscriberClass = BufferCountSubscriber;
}
else {
this.subscriberClass = BufferSkipCountSubscriber;
}
}
BufferCountOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new this.subscriberClass(subscriber, this.bufferSize, this.startBufferEvery));
};
return BufferCountOperator;
}());
var BufferCountSubscriber = (function (_super) {
__extends(BufferCountSubscriber, _super);
function BufferCountSubscriber(destination, bufferSize) {
var _this = _super.call(this, destination) || this;
_this.bufferSize = bufferSize;
_this.buffer = [];
return _this;
}
BufferCountSubscriber.prototype._next = function (value) {
var buffer = this.buffer;
buffer.push(value);
if (buffer.length == this.bufferSize) {
this.destination.next(buffer);
this.buffer = [];
}
};
BufferCountSubscriber.prototype._complete = function () {
var buffer = this.buffer;
if (buffer.length > 0) {
this.destination.next(buffer);
}
_super.prototype._complete.call(this);
};
return BufferCountSubscriber;
}(Subscriber_1.Subscriber));
var BufferSkipCountSubscriber = (function (_super) {
__extends(BufferSkipCountSubscriber, _super);
function BufferSkipCountSubscriber(destination, bufferSize, startBufferEvery) {
var _this = _super.call(this, destination) || this;
_this.bufferSize = bufferSize;
_this.startBufferEvery = startBufferEvery;
_this.buffers = [];
_this.count = 0;
return _this;
}
BufferSkipCountSubscriber.prototype._next = function (value) {
var _a = this, bufferSize = _a.bufferSize, startBufferEvery = _a.startBufferEvery, buffers = _a.buffers, count = _a.count;
this.count++;
if (count % startBufferEvery === 0) {
buffers.push([]);
}
for (var i = buffers.length; i--;) {
var buffer = buffers[i];
buffer.push(value);
if (buffer.length === bufferSize) {
buffers.splice(i, 1);
this.destination.next(buffer);
}
}
};
BufferSkipCountSubscriber.prototype._complete = function () {
var _a = this, buffers = _a.buffers, destination = _a.destination;
while (buffers.length > 0) {
var buffer = buffers.shift();
if (buffer.length > 0) {
destination.next(buffer);
}
}
_super.prototype._complete.call(this);
};
return BufferSkipCountSubscriber;
}(Subscriber_1.Subscriber));
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