primeng/fesm2015/primeng-defer.mjs.map

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{"version":3,"file":"primeng-defer.mjs","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, ChangeDetectorRef} from '@angular/core';\nimport {CommonModule} from '@angular/common';\n\n@Directive({\n    selector: '[pDefer]',\n    host: {\n        'class': 'p-element'\n    }\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, private cd: ChangeDetectorRef) {}\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        this.cd.detectChanges();\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","/**\n * Generated bundle index. 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