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keksAccountGUI/node_modulesOLD/rxjs/_esm5/internal/operators/bufferTime.js

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2019-08-11 18:48:02 +00:00
/** PURE_IMPORTS_START tslib,_scheduler_async,_Subscriber,_util_isScheduler PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { async } from '../scheduler/async';
import { Subscriber } from '../Subscriber';
import { isScheduler } from '../util/isScheduler';
export function bufferTime(bufferTimeSpan) {
var length = arguments.length;
var scheduler = async;
if (isScheduler(arguments[arguments.length - 1])) {
scheduler = arguments[arguments.length - 1];
length--;
}
var bufferCreationInterval = null;
if (length >= 2) {
bufferCreationInterval = arguments[1];
}
var maxBufferSize = Number.POSITIVE_INFINITY;
if (length >= 3) {
maxBufferSize = arguments[2];
}
return function bufferTimeOperatorFunction(source) {
return source.lift(new BufferTimeOperator(bufferTimeSpan, bufferCreationInterval, maxBufferSize, scheduler));
};
}
var BufferTimeOperator = /*@__PURE__*/ (function () {
function BufferTimeOperator(bufferTimeSpan, bufferCreationInterval, maxBufferSize, scheduler) {
this.bufferTimeSpan = bufferTimeSpan;
this.bufferCreationInterval = bufferCreationInterval;
this.maxBufferSize = maxBufferSize;
this.scheduler = scheduler;
}
BufferTimeOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new BufferTimeSubscriber(subscriber, this.bufferTimeSpan, this.bufferCreationInterval, this.maxBufferSize, this.scheduler));
};
return BufferTimeOperator;
}());
var Context = /*@__PURE__*/ (function () {
function Context() {
this.buffer = [];
}
return Context;
}());
var BufferTimeSubscriber = /*@__PURE__*/ (function (_super) {
tslib_1.__extends(BufferTimeSubscriber, _super);
function BufferTimeSubscriber(destination, bufferTimeSpan, bufferCreationInterval, maxBufferSize, scheduler) {
var _this = _super.call(this, destination) || this;
_this.bufferTimeSpan = bufferTimeSpan;
_this.bufferCreationInterval = bufferCreationInterval;
_this.maxBufferSize = maxBufferSize;
_this.scheduler = scheduler;
_this.contexts = [];
var context = _this.openContext();
_this.timespanOnly = bufferCreationInterval == null || bufferCreationInterval < 0;
if (_this.timespanOnly) {
var timeSpanOnlyState = { subscriber: _this, context: context, bufferTimeSpan: bufferTimeSpan };
_this.add(context.closeAction = scheduler.schedule(dispatchBufferTimeSpanOnly, bufferTimeSpan, timeSpanOnlyState));
}
else {
var closeState = { subscriber: _this, context: context };
var creationState = { bufferTimeSpan: bufferTimeSpan, bufferCreationInterval: bufferCreationInterval, subscriber: _this, scheduler: scheduler };
_this.add(context.closeAction = scheduler.schedule(dispatchBufferClose, bufferTimeSpan, closeState));
_this.add(scheduler.schedule(dispatchBufferCreation, bufferCreationInterval, creationState));
}
return _this;
}
BufferTimeSubscriber.prototype._next = function (value) {
var contexts = this.contexts;
var len = contexts.length;
var filledBufferContext;
for (var i = 0; i < len; i++) {
var context_1 = contexts[i];
var buffer = context_1.buffer;
buffer.push(value);
if (buffer.length == this.maxBufferSize) {
filledBufferContext = context_1;
}
}
if (filledBufferContext) {
this.onBufferFull(filledBufferContext);
}
};
BufferTimeSubscriber.prototype._error = function (err) {
this.contexts.length = 0;
_super.prototype._error.call(this, err);
};
BufferTimeSubscriber.prototype._complete = function () {
var _a = this, contexts = _a.contexts, destination = _a.destination;
while (contexts.length > 0) {
var context_2 = contexts.shift();
destination.next(context_2.buffer);
}
_super.prototype._complete.call(this);
};
BufferTimeSubscriber.prototype._unsubscribe = function () {
this.contexts = null;
};
BufferTimeSubscriber.prototype.onBufferFull = function (context) {
this.closeContext(context);
var closeAction = context.closeAction;
closeAction.unsubscribe();
this.remove(closeAction);
if (!this.closed && this.timespanOnly) {
context = this.openContext();
var bufferTimeSpan = this.bufferTimeSpan;
var timeSpanOnlyState = { subscriber: this, context: context, bufferTimeSpan: bufferTimeSpan };
this.add(context.closeAction = this.scheduler.schedule(dispatchBufferTimeSpanOnly, bufferTimeSpan, timeSpanOnlyState));
}
};
BufferTimeSubscriber.prototype.openContext = function () {
var context = new Context();
this.contexts.push(context);
return context;
};
BufferTimeSubscriber.prototype.closeContext = function (context) {
this.destination.next(context.buffer);
var contexts = this.contexts;
var spliceIndex = contexts ? contexts.indexOf(context) : -1;
if (spliceIndex >= 0) {
contexts.splice(contexts.indexOf(context), 1);
}
};
return BufferTimeSubscriber;
}(Subscriber));
function dispatchBufferTimeSpanOnly(state) {
var subscriber = state.subscriber;
var prevContext = state.context;
if (prevContext) {
subscriber.closeContext(prevContext);
}
if (!subscriber.closed) {
state.context = subscriber.openContext();
state.context.closeAction = this.schedule(state, state.bufferTimeSpan);
}
}
function dispatchBufferCreation(state) {
var bufferCreationInterval = state.bufferCreationInterval, bufferTimeSpan = state.bufferTimeSpan, subscriber = state.subscriber, scheduler = state.scheduler;
var context = subscriber.openContext();
var action = this;
if (!subscriber.closed) {
subscriber.add(context.closeAction = scheduler.schedule(dispatchBufferClose, bufferTimeSpan, { subscriber: subscriber, context: context }));
action.schedule(state, bufferCreationInterval);
}
}
function dispatchBufferClose(arg) {
var subscriber = arg.subscriber, context = arg.context;
subscriber.closeContext(context);
}
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