(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/cdk/platform'), require('@angular/core'), require('@angular/common'), require('ng-zorro-antd/core/config'), require('ng-zorro-antd/core/logger'), require('ng-zorro-antd/core/services'), require('ng-zorro-antd/core/util'), require('rxjs'), require('rxjs/operators'), require('ng-zorro-antd/affix')) :
    typeof define === 'function' && define.amd ? define('ng-zorro-antd/anchor', ['exports', '@angular/cdk/platform', '@angular/core', '@angular/common', 'ng-zorro-antd/core/config', 'ng-zorro-antd/core/logger', 'ng-zorro-antd/core/services', 'ng-zorro-antd/core/util', 'rxjs', 'rxjs/operators', 'ng-zorro-antd/affix'], factory) :
    (global = global || self, factory((global['ng-zorro-antd'] = global['ng-zorro-antd'] || {}, global['ng-zorro-antd'].anchor = {}), global.ng.cdk.platform, global.ng.core, global.ng.common, global['ng-zorro-antd'].core.config, global['ng-zorro-antd'].core.logger, global['ng-zorro-antd'].core.services, global['ng-zorro-antd'].core.util, global.rxjs, global.rxjs.operators, global['ng-zorro-antd'].affix));
}(this, (function (exports, platform, core, common, config, logger, services, util, rxjs, operators, affix) { 'use strict';

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */
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    /**
     * @fileoverview added by tsickle
     * Generated from: util.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    /**
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
     */
    /**
     * @param {?} element
     * @param {?} container
     * @return {?}
     */
    function getOffsetTop(element, container) {
        if (!element || !element.getClientRects().length) {
            return 0;
        }
        /** @type {?} */
        var rect = element.getBoundingClientRect();
        if (rect.width || rect.height) {
            if (container === window) {
                /** @type {?} */
                var documentElement = ( /** @type {?} */(( /** @type {?} */(element.ownerDocument)).documentElement));
                return rect.top - documentElement.clientTop;
            }
            return rect.top - (( /** @type {?} */(container))).getBoundingClientRect().top;
        }
        return rect.top;
    }

    /**
     * @fileoverview added by tsickle
     * Generated from: anchor.component.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    /**
     * @record
     */
    function Section() { }
    if (false) {
        /** @type {?} */
        Section.prototype.comp;
        /** @type {?} */
        Section.prototype.top;
    }
    /** @type {?} */
    var NZ_CONFIG_COMPONENT_NAME = 'anchor';
    /** @type {?} */
    var sharpMatcherRegx = /#([^#]+)$/;
    var NzAnchorComponent = /** @class */ (function () {
        /**
         * @param {?} doc
         * @param {?} nzConfigService
         * @param {?} scrollSrv
         * @param {?} cdr
         * @param {?} platform
         * @param {?} zone
         * @param {?} renderer
         */
        function NzAnchorComponent(doc, nzConfigService, scrollSrv, cdr, platform, zone, renderer) {
            this.doc = doc;
            this.nzConfigService = nzConfigService;
            this.scrollSrv = scrollSrv;
            this.cdr = cdr;
            this.platform = platform;
            this.zone = zone;
            this.renderer = renderer;
            this.nzAffix = true;
            this.nzShowInkInFixed = false;
            this.nzBounds = 5;
            this.nzOffsetTop = undefined;
            this.nzTarget = '';
            this.nzClick = new core.EventEmitter();
            this.nzScroll = new core.EventEmitter();
            this.visible = false;
            this.wrapperStyle = { 'max-height': '100vh' };
            this.links = [];
            this.animating = false;
            this.destroy$ = new rxjs.Subject();
            this.handleScrollTimeoutID = -1;
        }
        /**
         * @param {?} link
         * @return {?}
         */
        NzAnchorComponent.prototype.registerLink = function (link) {
            this.links.push(link);
        };
        /**
         * @param {?} link
         * @return {?}
         */
        NzAnchorComponent.prototype.unregisterLink = function (link) {
            this.links.splice(this.links.indexOf(link), 1);
        };
        /**
         * @private
         * @return {?}
         */
        NzAnchorComponent.prototype.getContainer = function () {
            return this.container || window;
        };
        /**
         * @return {?}
         */
        NzAnchorComponent.prototype.ngAfterViewInit = function () {
            this.registerScrollEvent();
        };
        /**
         * @return {?}
         */
        NzAnchorComponent.prototype.ngOnDestroy = function () {
            clearTimeout(this.handleScrollTimeoutID);
            this.destroy$.next();
            this.destroy$.complete();
        };
        /**
         * @private
         * @return {?}
         */
        NzAnchorComponent.prototype.registerScrollEvent = function () {
            var _this = this;
            if (!this.platform.isBrowser) {
                return;
            }
            this.destroy$.next();
            this.zone.runOutsideAngular(( /**
             * @return {?}
             */function () {
                rxjs.fromEvent(_this.getContainer(), 'scroll')
                    .pipe(operators.throttleTime(50), operators.takeUntil(_this.destroy$))
                    .subscribe(( /**
             * @return {?}
             */function () { return _this.handleScroll(); }));
            }));
            // Browser would maintain the scrolling position when refreshing.
            // So we have to delay calculation in avoid of getting a incorrect result.
            this.handleScrollTimeoutID = setTimeout(( /**
             * @return {?}
             */function () { return _this.handleScroll(); }));
        };
        /**
         * @return {?}
         */
        NzAnchorComponent.prototype.handleScroll = function () {
            var _this = this;
            if (typeof document === 'undefined' || this.animating) {
                return;
            }
            /** @type {?} */
            var sections = [];
            /** @type {?} */
            var scope = (this.nzOffsetTop || 0) + this.nzBounds;
            this.links.forEach(( /**
             * @param {?} comp
             * @return {?}
             */function (/**
             * @param {?} comp
             * @return {?}
             */ comp) {
                /** @type {?} */
                var sharpLinkMatch = sharpMatcherRegx.exec(comp.nzHref.toString());
                if (!sharpLinkMatch) {
                    return;
                }
                /** @type {?} */
                var target = _this.doc.getElementById(sharpLinkMatch[1]);
                if (target) {
                    /** @type {?} */
                    var top = getOffsetTop(target, _this.getContainer());
                    if (top < scope) {
                        sections.push({
                            top: top,
                            comp: comp
                        });
                    }
                }
            }));
            this.visible = !!sections.length;
            if (!this.visible) {
                this.clearActive();
                this.cdr.detectChanges();
            }
            else {
                /** @type {?} */
                var maxSection = sections.reduce(( /**
                 * @param {?} prev
                 * @param {?} curr
                 * @return {?}
                 */function (prev, curr) { return (curr.top > prev.top ? curr : prev); }));
                this.handleActive(maxSection.comp);
            }
            this.setVisible();
        };
        /**
         * @private
         * @return {?}
         */
        NzAnchorComponent.prototype.clearActive = function () {
            this.links.forEach(( /**
             * @param {?} i
             * @return {?}
             */function (/**
             * @param {?} i
             * @return {?}
             */ i) {
                i.unsetActive();
            }));
        };
        /**
         * @private
         * @param {?} comp
         * @return {?}
         */
        NzAnchorComponent.prototype.handleActive = function (comp) {
            this.clearActive();
            comp.setActive();
            /** @type {?} */
            var linkNode = comp.getLinkTitleElement();
            this.ink.nativeElement.style.top = linkNode.offsetTop + linkNode.clientHeight / 2 - 4.5 + "px";
            this.visible = true;
            this.setVisible();
            this.nzScroll.emit(comp);
        };
        /**
         * @private
         * @return {?}
         */
        NzAnchorComponent.prototype.setVisible = function () {
            /** @type {?} */
            var visible = this.visible;
            /** @type {?} */
            var visibleClassname = 'visible';
            if (this.ink) {
                if (visible) {
                    this.renderer.addClass(this.ink.nativeElement, visibleClassname);
                }
                else {
                    this.renderer.removeClass(this.ink.nativeElement, visibleClassname);
                }
            }
        };
        /**
         * @param {?} linkComp
         * @return {?}
         */
        NzAnchorComponent.prototype.handleScrollTo = function (linkComp) {
            var _this = this;
            /** @type {?} */
            var el = this.doc.querySelector(linkComp.nzHref);
            if (!el) {
                return;
            }
            this.animating = true;
            /** @type {?} */
            var containerScrollTop = this.scrollSrv.getScroll(this.getContainer());
            /** @type {?} */
            var elOffsetTop = getOffsetTop(el, this.getContainer());
            /** @type {?} */
            var targetScrollTop = containerScrollTop + elOffsetTop - (this.nzOffsetTop || 0);
            this.scrollSrv.scrollTo(this.getContainer(), targetScrollTop, undefined, ( /**
             * @return {?}
             */function () {
                _this.animating = false;
                _this.handleActive(linkComp);
            }));
            this.nzClick.emit(linkComp.nzHref);
        };
        /**
         * @param {?} changes
         * @return {?}
         */
        NzAnchorComponent.prototype.ngOnChanges = function (changes) {
            var nzOffsetTop = changes.nzOffsetTop, nzTarget = changes.nzTarget, nzContainer = changes.nzContainer;
            if (nzOffsetTop) {
                this.wrapperStyle = {
                    'max-height': "calc(100vh - " + this.nzOffsetTop + "px)"
                };
            }
            if (nzContainer || nzTarget) {
                /** @type {?} */
                var container = this.nzContainer || this.nzTarget;
                this.container = typeof container === 'string' ? this.doc.querySelector(container) : container;
                this.registerScrollEvent();
                if (nzTarget) {
                    logger.warnDeprecation("'nzTarget' of 'nz-anchor' is deprecated and will be removed in 10.0.0.Please use 'nzContainer' instead.");
                }
            }
        };
        return NzAnchorComponent;
    }());
    NzAnchorComponent.decorators = [
        { type: core.Component, args: [{
                    selector: 'nz-anchor',
                    exportAs: 'nzAnchor',
                    preserveWhitespaces: false,
                    template: "\n    <nz-affix *ngIf=\"nzAffix; else content\" [nzOffsetTop]=\"nzOffsetTop\" [nzTarget]=\"container\">\n      <ng-template [ngTemplateOutlet]=\"content\"></ng-template>\n    </nz-affix>\n    <ng-template #content>\n      <div class=\"ant-anchor-wrapper\" [ngStyle]=\"wrapperStyle\">\n        <div class=\"ant-anchor\" [ngClass]=\"{ fixed: !nzAffix && !nzShowInkInFixed }\">\n          <div class=\"ant-anchor-ink\">\n            <div class=\"ant-anchor-ink-ball\" #ink></div>\n          </div>\n          <ng-content></ng-content>\n        </div>\n      </div>\n    </ng-template>\n  ",
                    encapsulation: core.ViewEncapsulation.None,
                    changeDetection: core.ChangeDetectionStrategy.OnPush
                }] }
    ];
    /** @nocollapse */
    NzAnchorComponent.ctorParameters = function () { return [
        { type: undefined, decorators: [{ type: core.Inject, args: [common.DOCUMENT,] }] },
        { type: config.NzConfigService },
        { type: services.NzScrollService },
        { type: core.ChangeDetectorRef },
        { type: platform.Platform },
        { type: core.NgZone },
        { type: core.Renderer2 }
    ]; };
    NzAnchorComponent.propDecorators = {
        ink: [{ type: core.ViewChild, args: ['ink', { static: false },] }],
        nzAffix: [{ type: core.Input }],
        nzShowInkInFixed: [{ type: core.Input }],
        nzBounds: [{ type: core.Input }],
        nzOffsetTop: [{ type: core.Input }],
        nzContainer: [{ type: core.Input }],
        nzTarget: [{ type: core.Input }],
        nzClick: [{ type: core.Output }],
        nzScroll: [{ type: core.Output }]
    };
    __decorate([
        util.InputBoolean(),
        __metadata("design:type", Object)
    ], NzAnchorComponent.prototype, "nzAffix", void 0);
    __decorate([
        config.WithConfig(NZ_CONFIG_COMPONENT_NAME),
        util.InputBoolean(),
        __metadata("design:type", Boolean)
    ], NzAnchorComponent.prototype, "nzShowInkInFixed", void 0);
    __decorate([
        config.WithConfig(NZ_CONFIG_COMPONENT_NAME),
        util.InputNumber(),
        __metadata("design:type", Number)
    ], NzAnchorComponent.prototype, "nzBounds", void 0);
    __decorate([
        util.InputNumber(undefined),
        config.WithConfig(NZ_CONFIG_COMPONENT_NAME),
        __metadata("design:type", Number)
    ], NzAnchorComponent.prototype, "nzOffsetTop", void 0);
    if (false) {
        /** @type {?} */
        NzAnchorComponent.ngAcceptInputType_nzAffix;
        /** @type {?} */
        NzAnchorComponent.ngAcceptInputType_nzShowInkInFixed;
        /** @type {?} */
        NzAnchorComponent.ngAcceptInputType_nzBounds;
        /** @type {?} */
        NzAnchorComponent.ngAcceptInputType_nzOffsetTop;
        /**
         * @type {?}
         * @private
         */
        NzAnchorComponent.prototype.ink;
        /** @type {?} */
        NzAnchorComponent.prototype.nzAffix;
        /** @type {?} */
        NzAnchorComponent.prototype.nzShowInkInFixed;
        /** @type {?} */
        NzAnchorComponent.prototype.nzBounds;
        /** @type {?} */
        NzAnchorComponent.prototype.nzOffsetTop;
        /** @type {?} */
        NzAnchorComponent.prototype.nzContainer;
        /** @type {?} */
        NzAnchorComponent.prototype.nzTarget;
        /** @type {?} */
        NzAnchorComponent.prototype.nzClick;
        /** @type {?} */
        NzAnchorComponent.prototype.nzScroll;
        /** @type {?} */
        NzAnchorComponent.prototype.visible;
        /** @type {?} */
        NzAnchorComponent.prototype.wrapperStyle;
        /** @type {?} */
        NzAnchorComponent.prototype.container;
        /**
         * @type {?}
         * @private
         */
        NzAnchorComponent.prototype.links;
        /**
         * @type {?}
         * @private
         */
        NzAnchorComponent.prototype.animating;
        /**
         * @type {?}
         * @private
         */
        NzAnchorComponent.prototype.destroy$;
        /**
         * @type {?}
         * @private
         */
        NzAnchorComponent.prototype.handleScrollTimeoutID;
        /**
         * @type {?}
         * @private
         */
        NzAnchorComponent.prototype.doc;
        /** @type {?} */
        NzAnchorComponent.prototype.nzConfigService;
        /**
         * @type {?}
         * @private
         */
        NzAnchorComponent.prototype.scrollSrv;
        /**
         * @type {?}
         * @private
         */
        NzAnchorComponent.prototype.cdr;
        /**
         * @type {?}
         * @private
         */
        NzAnchorComponent.prototype.platform;
        /**
         * @type {?}
         * @private
         */
        NzAnchorComponent.prototype.zone;
        /**
         * @type {?}
         * @private
         */
        NzAnchorComponent.prototype.renderer;
    }

    /**
     * @fileoverview added by tsickle
     * Generated from: anchor-link.component.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    var NzAnchorLinkComponent = /** @class */ (function () {
        /**
         * @param {?} elementRef
         * @param {?} anchorComp
         * @param {?} platform
         * @param {?} renderer
         */
        function NzAnchorLinkComponent(elementRef, anchorComp, platform, renderer) {
            this.elementRef = elementRef;
            this.anchorComp = anchorComp;
            this.platform = platform;
            this.renderer = renderer;
            this.nzHref = '#';
            this.titleStr = '';
            this.renderer.addClass(elementRef.nativeElement, 'ant-anchor-link');
        }
        Object.defineProperty(NzAnchorLinkComponent.prototype, "nzTitle", {
            /**
             * @param {?} value
             * @return {?}
             */
            set: function (value) {
                if (value instanceof core.TemplateRef) {
                    this.titleStr = null;
                    this.titleTpl = value;
                }
                else {
                    this.titleStr = value;
                }
            },
            enumerable: false,
            configurable: true
        });
        /**
         * @return {?}
         */
        NzAnchorLinkComponent.prototype.ngOnInit = function () {
            this.anchorComp.registerLink(this);
        };
        /**
         * @return {?}
         */
        NzAnchorLinkComponent.prototype.getLinkTitleElement = function () {
            return this.linkTitle.nativeElement;
        };
        /**
         * @return {?}
         */
        NzAnchorLinkComponent.prototype.setActive = function () {
            this.renderer.addClass(this.elementRef.nativeElement, 'ant-anchor-link-active');
        };
        /**
         * @return {?}
         */
        NzAnchorLinkComponent.prototype.unsetActive = function () {
            this.renderer.removeClass(this.elementRef.nativeElement, 'ant-anchor-link-active');
        };
        /**
         * @param {?} e
         * @return {?}
         */
        NzAnchorLinkComponent.prototype.goToClick = function (e) {
            e.preventDefault();
            e.stopPropagation();
            if (this.platform.isBrowser) {
                this.anchorComp.handleScrollTo(this);
            }
        };
        /**
         * @return {?}
         */
        NzAnchorLinkComponent.prototype.ngOnDestroy = function () {
            this.anchorComp.unregisterLink(this);
        };
        return NzAnchorLinkComponent;
    }());
    NzAnchorLinkComponent.decorators = [
        { type: core.Component, args: [{
                    selector: 'nz-link',
                    exportAs: 'nzLink',
                    preserveWhitespaces: false,
                    template: "\n    <a #linkTitle (click)=\"goToClick($event)\" href=\"{{ nzHref }}\" class=\"ant-anchor-link-title\" title=\"{{ titleStr }}\">\n      <span *ngIf=\"titleStr; else titleTpl || nzTemplate\">{{ titleStr }}</span>\n    </a>\n    <ng-content></ng-content>\n  ",
                    encapsulation: core.ViewEncapsulation.None,
                    changeDetection: core.ChangeDetectionStrategy.OnPush
                }] }
    ];
    /** @nocollapse */
    NzAnchorLinkComponent.ctorParameters = function () { return [
        { type: core.ElementRef },
        { type: NzAnchorComponent },
        { type: platform.Platform },
        { type: core.Renderer2 }
    ]; };
    NzAnchorLinkComponent.propDecorators = {
        nzHref: [{ type: core.Input }],
        nzTitle: [{ type: core.Input }],
        nzTemplate: [{ type: core.ContentChild, args: ['nzTemplate', { static: false },] }],
        linkTitle: [{ type: core.ViewChild, args: ['linkTitle',] }]
    };
    if (false) {
        /** @type {?} */
        NzAnchorLinkComponent.prototype.nzHref;
        /** @type {?} */
        NzAnchorLinkComponent.prototype.titleStr;
        /** @type {?} */
        NzAnchorLinkComponent.prototype.titleTpl;
        /** @type {?} */
        NzAnchorLinkComponent.prototype.nzTemplate;
        /** @type {?} */
        NzAnchorLinkComponent.prototype.linkTitle;
        /** @type {?} */
        NzAnchorLinkComponent.prototype.elementRef;
        /**
         * @type {?}
         * @private
         */
        NzAnchorLinkComponent.prototype.anchorComp;
        /**
         * @type {?}
         * @private
         */
        NzAnchorLinkComponent.prototype.platform;
        /**
         * @type {?}
         * @private
         */
        NzAnchorLinkComponent.prototype.renderer;
    }

    /**
     * @fileoverview added by tsickle
     * Generated from: anchor.module.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    var NzAnchorModule = /** @class */ (function () {
        function NzAnchorModule() {
        }
        return NzAnchorModule;
    }());
    NzAnchorModule.decorators = [
        { type: core.NgModule, args: [{
                    declarations: [NzAnchorComponent, NzAnchorLinkComponent],
                    exports: [NzAnchorComponent, NzAnchorLinkComponent],
                    imports: [common.CommonModule, affix.NzAffixModule, platform.PlatformModule]
                },] }
    ];

    /**
     * @fileoverview added by tsickle
     * Generated from: public-api.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */

    /**
     * @fileoverview added by tsickle
     * Generated from: ng-zorro-antd-anchor.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */

    exports.NzAnchorComponent = NzAnchorComponent;
    exports.NzAnchorLinkComponent = NzAnchorLinkComponent;
    exports.NzAnchorModule = NzAnchorModule;

    Object.defineProperty(exports, '__esModule', { value: true });

})));
//# sourceMappingURL=ng-zorro-antd-anchor.umd.js.map
