ng2-infinitescroll/app/directives/angular2-infinitescroll.js

inifnite scroll for angular2

System.register(['@angular/core', '@angular/common'], function(exports_1, context_1) {
    "use strict";
    var __moduleName = context_1 && context_1.id;
    var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
        var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
        if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
        else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
        return c > 3 && r && Object.defineProperty(target, key, r), r;
    };
    var __metadata = (this && this.__metadata) || function (k, v) {
        if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
    };
    var core_1, common_1;
    var InfiniteScroll;
    return {
        setters:[
            function (core_1_1) {
                core_1 = core_1_1;
            },
            function (common_1_1) {
                common_1 = common_1_1;
            }],
        execute: function() {
            InfiniteScroll = (function () {
                function InfiniteScroll(element) {
                    this.element = element;
                    this.OnScrollMethod = new core_1.EventEmitter();
                    this._element = this.element.nativeElement;
                    if (!this.scrollTrigger) {
                        this.scrollTrigger = 1;
                    }
                }
                InfiniteScroll.prototype.onScroll = function () {
                    this._count++;
                    if (this._element.scrollTop + this._element.clientHeight >= this._element.scrollHeight) {
                        this.OnScrollMethod.emit(null);
                    }
                    else {
                        if (this._count % this.scrollTrigger === 0) {
                            this.OnScrollMethod.emit(null);
                        }
                    }
                };
                __decorate([
                    core_1.Input('ScrollDistance'), 
                    __metadata('design:type', Number)
                ], InfiniteScroll.prototype, "scrollTrigger", void 0);
                __decorate([
                    core_1.Output(), 
                    __metadata('design:type', Object)
                ], InfiniteScroll.prototype, "OnScrollMethod", void 0);
                InfiniteScroll = __decorate([
                    core_1.Directive({
                        selector: '[InfiniteScroll]',
                        providers: [common_1.NgModel],
                        host: {
                            '(scroll)': 'onScroll($event)'
                        }
                    }), 
                    __metadata('design:paramtypes', [core_1.ElementRef])
                ], InfiniteScroll);
                return InfiniteScroll;
            }());
            exports_1("InfiniteScroll", InfiniteScroll);
        }
    }
});
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