| 1 | {"version":3,"file":"primeng-defer.js","sources":["../../src/app/components/defer/defer.ts","../../src/app/components/defer/primeng-defer.ts"],"sourcesContent":["import {NgModule,Directive,ElementRef,AfterViewInit,OnDestroy,TemplateRef,EmbeddedViewRef,\n ViewContainerRef,Renderer2,EventEmitter,Output,ContentChild} from '@angular/core';\nimport {CommonModule} from '@angular/common';\n\n@Directive({\n selector: '[pDefer]'\n})\nexport class DeferredLoader implements AfterViewInit,OnDestroy {\n \n @Output() onLoad: EventEmitter<any> = new EventEmitter();\n \n @ContentChild(TemplateRef) template: TemplateRef<any>;\n \n documentScrollListener: Function;\n \n view: EmbeddedViewRef<any>;\n \n constructor(public el: ElementRef, public renderer: Renderer2, public viewContainer: ViewContainerRef) {}\n \n ngAfterViewInit() {\n if (this.shouldLoad()) {\n this.load();\n }\n \n if (!this.isLoaded()) {\n this.documentScrollListener = this.renderer.listen('window', 'scroll', () => {\n if (this.shouldLoad()) {\n this.load();\n this.documentScrollListener();\n this.documentScrollListener = null;\n }\n });\n }\n }\n \n shouldLoad(): boolean {\n if (this.isLoaded()) {\n return false;\n }\n else {\n let rect = this.el.nativeElement.getBoundingClientRect();\n let docElement = document.documentElement;\n let winHeight = docElement.clientHeight;\n \n return (winHeight >= rect.top);\n }\n }\n \n load(): void { \n this.view = this.viewContainer.createEmbeddedView(this.template);\n this.onLoad.emit();\n }\n \n isLoaded() {\n return this.view != null;\n }\n \n ngOnDestroy() {\n this.view = null;\n \n if (this.documentScrollListener) {\n this.documentScrollListener();\n }\n }\n}\n\n@NgModule({\n imports: [CommonModule],\n exports: [DeferredLoader],\n declarations: [DeferredLoader]\n})\nexport class DeferModule { }","/**\n * Generated bundle index. Do not edit.\n */\n\nexport * from './public_api';\n"],"names":[],"mappings":";;;MAOa,cAAc;IAUvB,YAAmB,EAAc,EAAS,QAAmB,EAAS,aAA+B;QAAlF,OAAE,GAAF,EAAE,CAAY;QAAS,aAAQ,GAAR,QAAQ,CAAW;QAAS,kBAAa,GAAb,aAAa,CAAkB;QAR3F,WAAM,GAAsB,IAAI,YAAY,EAAE,CAAC;KAQgD;IAEzG,eAAe;QACX,IAAI,IAAI,CAAC,UAAU,EAAE,EAAE;YACnB,IAAI,CAAC,IAAI,EAAE,CAAC;SACf;QAED,IAAI,CAAC,IAAI,CAAC,QAAQ,EAAE,EAAE;YAClB,IAAI,CAAC,sBAAsB,GAAG,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,QAAQ,EAAE,QAAQ,EAAE;gBACnE,IAAI,IAAI,CAAC,UAAU,EAAE,EAAE;oBACnB,IAAI,CAAC,IAAI,EAAE,CAAC;oBACZ,IAAI,CAAC,sBAAsB,EAAE,CAAC;oBAC9B,IAAI,CAAC,sBAAsB,GAAG,IAAI,CAAC;iBACtC;aACJ,CAAC,CAAC;SACN;KACJ;IAED,UAAU;QACN,IAAI,IAAI,CAAC,QAAQ,EAAE,EAAE;YACjB,OAAO,KAAK,CAAC;SAChB;aACI;YACD,IAAI,IAAI,GAAG,IAAI,CAAC,EAAE,CAAC,aAAa,CAAC,qBAAqB,EAAE,CAAC;YACzD,IAAI,UAAU,GAAG,QAAQ,CAAC,eAAe,CAAC;YAC1C,IAAI,SAAS,GAAG,UAAU,CAAC,YAAY,CAAC;YAExC,QAAQ,SAAS,IAAI,IAAI,CAAC,GAAG,EAAE;SAClC;KACJ;IAED,IAAI;QACA,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC,aAAa,CAAC,kBAAkB,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;QACjE,IAAI,CAAC,MAAM,CAAC,IAAI,EAAE,CAAC;KACtB;IAED,QAAQ;QACJ,OAAO,IAAI,CAAC,IAAI,IAAI,IAAI,CAAC;KAC5B;IAED,WAAW;QACP,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;QAEjB,IAAI,IAAI,CAAC,sBAAsB,EAAE;YAC7B,IAAI,CAAC,sBAAsB,EAAE,CAAC;SACjC;KACJ;;;YA3DJ,SAAS,SAAC;gBACP,QAAQ,EAAE,UAAU;aACvB;;;YAN0B,UAAU;YACZ,SAAS;YAA1B,gBAAgB;;;qBAQnB,MAAM;uBAEN,YAAY,SAAC,WAAW;;MA4DhB,WAAW;;;YALvB,QAAQ,SAAC;gBACN,OAAO,EAAE,CAAC,YAAY,CAAC;gBACvB,OAAO,EAAE,CAAC,cAAc,CAAC;gBACzB,YAAY,EAAE,CAAC,cAAc,CAAC;aACjC;;;ACtED;;;;;;"} |