185 lines
22 KiB
JavaScript
185 lines
22 KiB
JavaScript
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import { CommonModule, DOCUMENT, isPlatformBrowser } from '@angular/common';
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import { Directive, Input, NgModule, Inject, PLATFORM_ID, booleanAttribute, numberAttribute } from '@angular/core';
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import { DomHandler } from 'primeng/dom';
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import * as i0 from "@angular/core";
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/**
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* AnimateOnScroll is used to apply animations to elements when entering or leaving the viewport during scrolling.
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* @group Components
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*/
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export class AnimateOnScroll {
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document;
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platformId;
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host;
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el;
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renderer;
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/**
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* Selector to define the CSS class for enter animation.
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* @group Props
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*/
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enterClass;
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/**
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* Selector to define the CSS class for leave animation.
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* @group Props
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*/
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leaveClass;
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/**
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* Specifies the root option of the IntersectionObserver API.
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* @group Props
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*/
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root;
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/**
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* Specifies the rootMargin option of the IntersectionObserver API.
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* @group Props
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*/
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rootMargin;
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/**
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* Specifies the threshold option of the IntersectionObserver API
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* @group Props
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*/
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threshold;
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/**
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* Whether the scroll event listener should be removed after initial run.
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* @group Props
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*/
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once = true;
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observer;
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resetObserver;
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isObserverActive = false;
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animationState;
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animationEndListener;
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constructor(document, platformId, host, el, renderer) {
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this.document = document;
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this.platformId = platformId;
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this.host = host;
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this.el = el;
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this.renderer = renderer;
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}
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ngOnInit() {
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if (isPlatformBrowser(this.platformId)) {
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this.renderer.setStyle(this.host.nativeElement, 'opacity', this.enterClass ? '0' : '');
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}
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}
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ngAfterViewInit() {
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if (isPlatformBrowser(this.platformId)) {
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this.bindIntersectionObserver();
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}
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}
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get options() {
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return {
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root: this.root,
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rootMargin: this.rootMargin,
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threshold: this.threshold
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};
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}
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bindIntersectionObserver() {
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this.observer = new IntersectionObserver(([entry]) => {
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if (this.isObserverActive) {
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if (entry.boundingClientRect.top > 0) {
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entry.isIntersecting ? this.enter() : this.leave();
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}
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}
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else if (entry.isIntersecting) {
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this.enter();
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}
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this.isObserverActive = true;
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}, this.options);
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setTimeout(() => this.observer.observe(this.host.nativeElement), 0);
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// Reset
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this.resetObserver = new IntersectionObserver(([entry]) => {
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if (entry.boundingClientRect.top > 0 && !entry.isIntersecting) {
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this.host.nativeElement.style.opacity = this.enterClass ? '0' : '';
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DomHandler.removeMultipleClasses(this.host.nativeElement, [this.enterClass, this.leaveClass]);
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this.resetObserver.unobserve(this.host.nativeElement);
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}
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this.animationState = undefined;
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}, { ...this.options, threshold: 0 });
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}
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enter() {
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if (this.animationState !== 'enter' && this.enterClass) {
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this.host.nativeElement.style.opacity = '';
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DomHandler.removeMultipleClasses(this.host.nativeElement, this.leaveClass);
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DomHandler.addMultipleClasses(this.host.nativeElement, this.enterClass);
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this.once && this.unbindIntersectionObserver();
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this.bindAnimationEvents();
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this.animationState = 'enter';
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}
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}
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leave() {
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if (this.animationState !== 'leave' && this.leaveClass) {
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this.host.nativeElement.style.opacity = this.enterClass ? '0' : '';
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DomHandler.removeMultipleClasses(this.host.nativeElement, this.enterClass);
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DomHandler.addMultipleClasses(this.host.nativeElement, this.leaveClass);
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this.bindAnimationEvents();
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this.animationState = 'leave';
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}
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}
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bindAnimationEvents() {
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if (!this.animationEndListener) {
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this.animationEndListener = this.renderer.listen(this.host.nativeElement, 'animationend', () => {
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DomHandler.removeMultipleClasses(this.host.nativeElement, [this.enterClass, this.leaveClass]);
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!this.once && this.resetObserver.observe(this.host.nativeElement);
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this.unbindAnimationEvents();
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});
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}
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}
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unbindAnimationEvents() {
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if (this.animationEndListener) {
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this.animationEndListener();
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this.animationEndListener = null;
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}
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}
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unbindIntersectionObserver() {
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this.observer?.unobserve(this.host.nativeElement);
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this.resetObserver?.unobserve(this.host.nativeElement);
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this.isObserverActive = false;
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}
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ngOnDestroy() {
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this.unbindAnimationEvents();
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this.unbindIntersectionObserver();
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}
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static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: AnimateOnScroll, deps: [{ token: DOCUMENT }, { token: PLATFORM_ID }, { token: i0.ElementRef }, { token: i0.ElementRef }, { token: i0.Renderer2 }], target: i0.ɵɵFactoryTarget.Directive });
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static ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "16.1.0", version: "17.3.7", type: AnimateOnScroll, selector: "[pAnimateOnScroll]", inputs: { enterClass: "enterClass", leaveClass: "leaveClass", root: "root", rootMargin: "rootMargin", threshold: ["threshold", "threshold", numberAttribute], once: ["once", "once", booleanAttribute] }, host: { properties: { "class.p-animateonscroll": "true" } }, ngImport: i0 });
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}
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i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: AnimateOnScroll, decorators: [{
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type: Directive,
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args: [{
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selector: '[pAnimateOnScroll]',
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host: {
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'[class.p-animateonscroll]': 'true'
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}
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}]
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}], ctorParameters: () => [{ type: Document, decorators: [{
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type: Inject,
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args: [DOCUMENT]
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}] }, { type: undefined, decorators: [{
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type: Inject,
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args: [PLATFORM_ID]
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}] }, { type: i0.ElementRef }, { type: i0.ElementRef }, { type: i0.Renderer2 }], propDecorators: { enterClass: [{
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type: Input
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}], leaveClass: [{
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type: Input
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}], root: [{
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type: Input
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}], rootMargin: [{
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type: Input
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}], threshold: [{
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type: Input,
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args: [{ transform: numberAttribute }]
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}], once: [{
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type: Input,
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args: [{ transform: booleanAttribute }]
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}] } });
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export class AnimateOnScrollModule {
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static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: AnimateOnScrollModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
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static ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "17.3.7", ngImport: i0, type: AnimateOnScrollModule, declarations: [AnimateOnScroll], imports: [CommonModule], exports: [AnimateOnScroll] });
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static ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: AnimateOnScrollModule, imports: [CommonModule] });
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}
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i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: AnimateOnScrollModule, decorators: [{
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type: NgModule,
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args: [{
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imports: [CommonModule],
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exports: [AnimateOnScroll],
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declarations: [AnimateOnScroll]
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}]
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}] });
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//# sourceMappingURL=data:application/json;base64,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