angular2-infinite-scroll/src/scroll-register.js

"use strict";
var core_1 = require('@angular/core');
var Observable_1 = require('rxjs/Observable');
require('rxjs/add/observable/fromEvent');
require('rxjs/add/observable/timer');
require('rxjs/add/observable/of');
require('rxjs/add/operator/debounce');
require('rxjs/add/operator/throttle');
require('rxjs/add/operator/filter');
require('rxjs/add/operator/mergeMap');
var ScrollRegister = (function () {
    function ScrollRegister() {
    }
    ScrollRegister.prototype.attachEvent = function (options) {
        var scroller$ = Observable_1.Observable.fromEvent(options.container, 'scroll')[options.throttleType](function () { return Observable_1.Observable.timer(options.throttleDuration); })
            .filter(options.filterBefore)
            .mergeMap(function (ev) { return Observable_1.Observable.of(options.mergeMap(ev)); })
            .subscribe(options.scrollHandler);
        return scroller$;
    };
    ScrollRegister.decorators = [
        { type: core_1.Injectable },
    ];
    /** @nocollapse */
    ScrollRegister.ctorParameters = function () { return []; };
    return ScrollRegister;
}());
exports.ScrollRegister = ScrollRegister;
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