195 lines
9.9 KiB
JavaScript
195 lines
9.9 KiB
JavaScript
import { __esDecorate, __runInitializers } from 'tslib';
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import { Directionality } from '@angular/cdk/bidi';
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import { normalizePassiveListenerOptions, Platform } from '@angular/cdk/platform';
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import { NgTemplateOutlet } from '@angular/common';
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import * as i0 from '@angular/core';
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import { inject, NgZone, ChangeDetectorRef, DestroyRef, EventEmitter, DOCUMENT, numberAttribute, ViewChild, Output, Input, ViewEncapsulation, ChangeDetectionStrategy, Component, NgModule } from '@angular/core';
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import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
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import { Subject, Subscription } from 'rxjs';
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import { debounceTime, takeUntil } from 'rxjs/operators';
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import { fadeMotion } from 'ng-zorro-antd/core/animation';
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import { WithConfig, NzConfigService } from 'ng-zorro-antd/core/config';
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import { NzScrollService } from 'ng-zorro-antd/core/services';
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import { fromEventOutsideAngular } from 'ng-zorro-antd/core/util';
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import * as i1 from 'ng-zorro-antd/icon';
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import { NzIconModule } from 'ng-zorro-antd/icon';
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const NZ_CONFIG_MODULE_NAME = 'backTop';
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const passiveEventListenerOptions = normalizePassiveListenerOptions({ passive: true });
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/**
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* @deprecated Will be removed in v21. It is recommended to use `<nz-float-button-top>` instead.
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*/
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let NzBackTopComponent = (() => {
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let _nzVisibilityHeight_decorators;
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let _nzVisibilityHeight_initializers = [];
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let _nzVisibilityHeight_extraInitializers = [];
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return class NzBackTopComponent {
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static {
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const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(null) : void 0;
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_nzVisibilityHeight_decorators = [WithConfig()];
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__esDecorate(null, null, _nzVisibilityHeight_decorators, { kind: "field", name: "nzVisibilityHeight", static: false, private: false, access: { has: obj => "nzVisibilityHeight" in obj, get: obj => obj.nzVisibilityHeight, set: (obj, value) => { obj.nzVisibilityHeight = value; } }, metadata: _metadata }, _nzVisibilityHeight_initializers, _nzVisibilityHeight_extraInitializers);
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if (_metadata) Object.defineProperty(this, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
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}
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nzConfigService = inject(NzConfigService);
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scrollSrv = inject(NzScrollService);
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platform = inject(Platform);
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zone = inject(NgZone);
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cdr = inject(ChangeDetectorRef);
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directionality = inject(Directionality);
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destroyRef = inject(DestroyRef);
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_nzModuleName = NZ_CONFIG_MODULE_NAME;
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scrollListenerDestroy$ = new Subject();
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target = null;
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visible = false;
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dir = this.directionality.value || 'ltr';
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nzTemplate;
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nzVisibilityHeight = __runInitializers(this, _nzVisibilityHeight_initializers, 400);
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nzTarget = __runInitializers(this, _nzVisibilityHeight_extraInitializers);
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nzDuration = 450;
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nzClick = new EventEmitter();
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set backTop(backTop) {
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if (backTop) {
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this.backTopClickSubscription.unsubscribe();
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this.backTopClickSubscription = fromEventOutsideAngular(backTop.nativeElement, 'click')
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.pipe(takeUntilDestroyed(this.destroyRef))
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.subscribe(() => {
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this.scrollSrv.scrollTo(this.getTarget(), 0, { duration: this.nzDuration });
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if (this.nzClick.observers.length) {
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this.zone.run(() => this.nzClick.emit(true));
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}
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});
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}
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}
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backTopClickSubscription = Subscription.EMPTY;
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doc = inject(DOCUMENT);
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constructor() {
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this.destroyRef.onDestroy(() => {
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this.scrollListenerDestroy$.next(true);
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this.scrollListenerDestroy$.complete();
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});
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}
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ngOnInit() {
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this.registerScrollEvent();
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this.directionality.change?.pipe(takeUntilDestroyed(this.destroyRef)).subscribe((direction) => {
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this.dir = direction;
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this.cdr.detectChanges();
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});
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this.dir = this.directionality.value;
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}
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getTarget() {
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return this.target || window;
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}
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handleScroll() {
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const newVisible = this.scrollSrv.getScroll(this.getTarget()) > this.nzVisibilityHeight;
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if (this.visible !== newVisible) {
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this.visible = newVisible;
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this.cdr.detectChanges();
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}
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}
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registerScrollEvent() {
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if (!this.platform.isBrowser) {
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return;
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}
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this.scrollListenerDestroy$.next(true);
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this.handleScroll();
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fromEventOutsideAngular(this.getTarget(), 'scroll', passiveEventListenerOptions)
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.pipe(debounceTime(50), takeUntil(this.scrollListenerDestroy$))
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.subscribe(() => this.handleScroll());
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}
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ngOnChanges(changes) {
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const { nzTarget } = changes;
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if (nzTarget) {
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this.target = typeof this.nzTarget === 'string' ? this.doc.querySelector(this.nzTarget) : this.nzTarget;
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this.registerScrollEvent();
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}
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}
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static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "20.3.0", ngImport: i0, type: NzBackTopComponent, deps: [], target: i0.ɵɵFactoryTarget.Component });
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static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "20.3.0", type: NzBackTopComponent, isStandalone: true, selector: "nz-back-top", inputs: { nzTemplate: "nzTemplate", nzVisibilityHeight: ["nzVisibilityHeight", "nzVisibilityHeight", numberAttribute], nzTarget: "nzTarget", nzDuration: ["nzDuration", "nzDuration", numberAttribute] }, outputs: { nzClick: "nzClick" }, viewQueries: [{ propertyName: "backTop", first: true, predicate: ["backTop"], descendants: true }], exportAs: ["nzBackTop"], usesOnChanges: true, ngImport: i0, template: `
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@if (visible) {
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<div #backTop class="ant-back-top" [class.ant-back-top-rtl]="dir === 'rtl'" @fadeMotion>
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<ng-template #defaultContent>
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<div class="ant-back-top-content">
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<div class="ant-back-top-icon">
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<nz-icon nzType="vertical-align-top" />
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</div>
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</div>
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</ng-template>
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<ng-template [ngTemplateOutlet]="nzTemplate || defaultContent"></ng-template>
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</div>
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}
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`, isInline: true, dependencies: [{ kind: "directive", type: NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "ngmodule", type: NzIconModule }, { kind: "directive", type: i1.NzIconDirective, selector: "nz-icon,[nz-icon]", inputs: ["nzSpin", "nzRotate", "nzType", "nzTheme", "nzTwotoneColor", "nzIconfont"], exportAs: ["nzIcon"] }], animations: [fadeMotion], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
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};
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})();
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i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "20.3.0", ngImport: i0, type: NzBackTopComponent, decorators: [{
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type: Component,
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args: [{
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selector: 'nz-back-top',
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exportAs: 'nzBackTop',
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animations: [fadeMotion],
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imports: [NgTemplateOutlet, NzIconModule],
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template: `
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@if (visible) {
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<div #backTop class="ant-back-top" [class.ant-back-top-rtl]="dir === 'rtl'" @fadeMotion>
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<ng-template #defaultContent>
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<div class="ant-back-top-content">
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<div class="ant-back-top-icon">
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<nz-icon nzType="vertical-align-top" />
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</div>
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</div>
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</ng-template>
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<ng-template [ngTemplateOutlet]="nzTemplate || defaultContent"></ng-template>
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</div>
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}
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`,
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changeDetection: ChangeDetectionStrategy.OnPush,
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encapsulation: ViewEncapsulation.None
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}]
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}], ctorParameters: () => [], propDecorators: { nzTemplate: [{
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type: Input
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}], nzVisibilityHeight: [{
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type: Input,
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args: [{ transform: numberAttribute }]
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}], nzTarget: [{
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type: Input
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}], nzDuration: [{
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type: Input,
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args: [{ transform: numberAttribute }]
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}], nzClick: [{
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type: Output
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}], backTop: [{
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type: ViewChild,
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args: ['backTop', { static: false }]
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}] } });
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/**
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
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*/
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/**
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* @deprecated Will be removed in v21. It is recommended to use `<nz-float-button-top>` instead.
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*/
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class NzBackTopModule {
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static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "20.3.0", ngImport: i0, type: NzBackTopModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
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static ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "20.3.0", ngImport: i0, type: NzBackTopModule, imports: [NzBackTopComponent], exports: [NzBackTopComponent] });
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static ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "20.3.0", ngImport: i0, type: NzBackTopModule, imports: [NzBackTopComponent] });
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}
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i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "20.3.0", ngImport: i0, type: NzBackTopModule, decorators: [{
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type: NgModule,
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args: [{
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exports: [NzBackTopComponent],
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imports: [NzBackTopComponent]
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}]
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}] });
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/**
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
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*/
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/**
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* Generated bundle index. Do not edit.
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*/
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export { NzBackTopComponent, NzBackTopModule };
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//# sourceMappingURL=ng-zorro-antd-back-top.mjs.map
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