source: trip-planner-front/node_modules/rxjs/internal/operators/bufferTime.js@ 188ee53

"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 async_1 = require("../scheduler/async");
var Subscriber_1 = require("../Subscriber");
var isScheduler_1 = require("../util/isScheduler");
function bufferTime(bufferTimeSpan) {
    var length = arguments.length;
    var scheduler = async_1.async;
    if (isScheduler_1.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));
    };
}
exports.bufferTime = bufferTime;
var BufferTimeOperator = (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 = (function () {
    function Context() {
        this.buffer = [];
    }
    return Context;
}());
var BufferTimeSubscriber = (function (_super) {
    __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_1.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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