(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/cdk/keycodes'), require('@angular/cdk/overlay'), require('@angular/core'), require('@angular/forms'), require('rxjs'), require('rxjs/operators'), require('ng-zorro-antd/core'), require('ng-zorro-antd/i18n'), require('@angular/common'), require('ng-zorro-antd/icon'), require('ng-zorro-antd/input'), require('ng-zorro-antd/empty')) :
    typeof define === 'function' && define.amd ? define('ng-zorro-antd/cascader', ['exports', '@angular/cdk/keycodes', '@angular/cdk/overlay', '@angular/core', '@angular/forms', 'rxjs', 'rxjs/operators', 'ng-zorro-antd/core', 'ng-zorro-antd/i18n', '@angular/common', 'ng-zorro-antd/icon', 'ng-zorro-antd/input', 'ng-zorro-antd/empty'], factory) :
    (global = global || self, factory((global['ng-zorro-antd'] = global['ng-zorro-antd'] || {}, global['ng-zorro-antd'].cascader = {}), global.ng.cdk.keycodes, global.ng.cdk.overlay, global.ng.core, global.ng.forms, global.rxjs, global.rxjs.operators, global['ng-zorro-antd'].core, global['ng-zorro-antd'].i18n, global.ng.common, global['ng-zorro-antd'].icon, global['ng-zorro-antd'].input, global['ng-zorro-antd'].empty));
}(this, (function (exports, keycodes, overlay, core, forms, rxjs, operators, core$1, i18n, common, icon, input, empty) { 'use strict';

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation. All rights reserved.
    Licensed under the Apache License, Version 2.0 (the "License"); you may not use
    this file except in compliance with the License. You may obtain a copy of the
    License at http://www.apache.org/licenses/LICENSE-2.0

    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
    WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
    MERCHANTABLITY OR NON-INFRINGEMENT.

    See the Apache Version 2.0 License for specific language governing permissions
    and limitations under the License.
    ***************************************************************************** */
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    }

    /**
     * @license
     * Copyright Alibaba.com All Rights Reserved.
     *
     * 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
     */
    function isShowSearchObject(options) {
        return typeof options !== 'boolean';
    }

    /**
     * @license
     * Copyright Alibaba.com All Rights Reserved.
     *
     * 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
     */
    function isChildOption(o) {
        return o.isLeaf || !o.children || !o.children.length;
    }
    function isParentOption(o) {
        return !!o.children && !!o.children.length && !o.isLeaf;
    }

    /**
     * @license
     * Copyright Alibaba.com All Rights Reserved.
     *
     * 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
     */
    var _c0 = ["nz-cascader-option", ""];
    function NzCascaderOptionComponent_ng_container_0_ng_template_1_Template(rf, ctx) { }
    var _c1 = function (a0, a1) { return { $implicit: a0, index: a1 }; };
    function NzCascaderOptionComponent_ng_container_0_Template(rf, ctx) { if (rf & 1) {
        core["ɵɵelementContainerStart"](0);
        core["ɵɵtemplate"](1, NzCascaderOptionComponent_ng_container_0_ng_template_1_Template, 0, 0, "ng-template", 3);
        core["ɵɵelementContainerEnd"]();
    } if (rf & 2) {
        var ctx_r2163 = core["ɵɵnextContext"]();
        core["ɵɵadvance"](1);
        core["ɵɵproperty"]("ngTemplateOutlet", ctx_r2163.optionTemplate)("ngTemplateOutletContext", core["ɵɵpureFunction2"](2, _c1, ctx_r2163.option, ctx_r2163.columnIndex));
    } }
    function NzCascaderOptionComponent_ng_template_1_Template(rf, ctx) { if (rf & 1) {
        core["ɵɵelement"](0, "span", 4);
        core["ɵɵpipe"](1, "nzHighlight");
    } if (rf & 2) {
        var ctx_r2165 = core["ɵɵnextContext"]();
        core["ɵɵproperty"]("innerHTML", core["ɵɵpipeBind4"](1, 1, ctx_r2165.optionLabel, ctx_r2165.highlightText, "g", "ant-cascader-menu-item-keyword"), core["ɵɵsanitizeHtml"]);
    } }
    function NzCascaderOptionComponent_span_3_Template(rf, ctx) { if (rf & 1) {
        core["ɵɵelementStart"](0, "span", 5);
        core["ɵɵelement"](1, "i", 6);
        core["ɵɵelementEnd"]();
    } if (rf & 2) {
        var ctx_r2166 = core["ɵɵnextContext"]();
        core["ɵɵadvance"](1);
        core["ɵɵproperty"]("nzType", ctx_r2166.option.loading ? "loading" : "right");
    } }
    var NzCascaderOptionComponent = /** @class */ (function () {
        function NzCascaderOptionComponent(cdr, elementRef, renderer) {
            this.cdr = cdr;
            this.optionTemplate = null;
            this.activated = false;
            this.nzLabelProperty = 'label';
            renderer.addClass(elementRef.nativeElement, 'ant-cascader-menu-item');
        }
        Object.defineProperty(NzCascaderOptionComponent.prototype, "optionLabel", {
            get: function () {
                return this.option[this.nzLabelProperty];
            },
            enumerable: true,
            configurable: true
        });
        NzCascaderOptionComponent.prototype.markForCheck = function () {
            this.cdr.markForCheck();
        };
        /** @nocollapse */ NzCascaderOptionComponent.ɵfac = function NzCascaderOptionComponent_Factory(t) { return new (t || NzCascaderOptionComponent)(core["ɵɵdirectiveInject"](core.ChangeDetectorRef), core["ɵɵdirectiveInject"](core.ElementRef), core["ɵɵdirectiveInject"](core.Renderer2)); };
        /** @nocollapse */ NzCascaderOptionComponent.ɵcmp = core["ɵɵdefineComponent"]({ type: NzCascaderOptionComponent, selectors: [["", "nz-cascader-option", ""]], hostVars: 7, hostBindings: function NzCascaderOptionComponent_HostBindings(rf, ctx) { if (rf & 2) {
                core["ɵɵattribute"]("title", ctx.option.title || ctx.optionLabel);
                core["ɵɵclassProp"]("ant-cascader-menu-item-active", ctx.activated)("ant-cascader-menu-item-expand", !ctx.option.isLeaf)("ant-cascader-menu-item-disabled", ctx.option.disabled);
            } }, inputs: { optionTemplate: "optionTemplate", option: "option", activated: "activated", highlightText: "highlightText", nzLabelProperty: "nzLabelProperty", columnIndex: "columnIndex" }, exportAs: ["nzCascaderOption"], attrs: _c0, decls: 4, vars: 3, consts: [[4, "ngIf", "ngIfElse"], ["defaultOptionTemplate", ""], ["class", "ant-cascader-menu-item-expand-icon", 4, "ngIf"], [3, "ngTemplateOutlet", "ngTemplateOutletContext"], [3, "innerHTML"], [1, "ant-cascader-menu-item-expand-icon"], ["nz-icon", "", 3, "nzType"]], template: function NzCascaderOptionComponent_Template(rf, ctx) { if (rf & 1) {
                core["ɵɵtemplate"](0, NzCascaderOptionComponent_ng_container_0_Template, 2, 5, "ng-container", 0);
                core["ɵɵtemplate"](1, NzCascaderOptionComponent_ng_template_1_Template, 2, 6, "ng-template", null, 1, core["ɵɵtemplateRefExtractor"]);
                core["ɵɵtemplate"](3, NzCascaderOptionComponent_span_3_Template, 2, 1, "span", 2);
            } if (rf & 2) {
                var _r2164 = core["ɵɵreference"](2);
                core["ɵɵproperty"]("ngIf", ctx.optionTemplate)("ngIfElse", _r2164);
                core["ɵɵadvance"](3);
                core["ɵɵproperty"]("ngIf", !ctx.option.isLeaf || (ctx.option.children == null ? null : ctx.option.children.length) || ctx.option.loading);
            } }, directives: [common.NgIf, common.NgTemplateOutlet, icon.NzIconDirective], pipes: [core$1.NzHighlightPipe], encapsulation: 2, changeDetection: 0 });
        return NzCascaderOptionComponent;
    }());
    /*@__PURE__*/ (function () { core["ɵsetClassMetadata"](NzCascaderOptionComponent, [{
            type: core.Component,
            args: [{
                    changeDetection: core.ChangeDetectionStrategy.OnPush,
                    encapsulation: core.ViewEncapsulation.None,
                    selector: '[nz-cascader-option]',
                    exportAs: 'nzCascaderOption',
                    template: "\n    <ng-container *ngIf=\"optionTemplate; else defaultOptionTemplate\">\n      <ng-template [ngTemplateOutlet]=\"optionTemplate\" [ngTemplateOutletContext]=\"{ $implicit: option, index: columnIndex }\"></ng-template>\n    </ng-container>\n    <ng-template #defaultOptionTemplate>\n      <span [innerHTML]=\"optionLabel | nzHighlight: highlightText:'g':'ant-cascader-menu-item-keyword'\"></span>\n    </ng-template>\n    <span *ngIf=\"!option.isLeaf || option.children?.length || option.loading\" class=\"ant-cascader-menu-item-expand-icon\">\n      <i nz-icon [nzType]=\"option.loading ? 'loading' : 'right'\"></i>\n    </span>\n  ",
                    host: {
                        '[attr.title]': 'option.title || optionLabel',
                        '[class.ant-cascader-menu-item-active]': 'activated',
                        '[class.ant-cascader-menu-item-expand]': '!option.isLeaf',
                        '[class.ant-cascader-menu-item-disabled]': 'option.disabled'
                    }
                }]
        }], function () { return [{ type: core.ChangeDetectorRef }, { type: core.ElementRef }, { type: core.Renderer2 }]; }, { optionTemplate: [{
                type: core.Input
            }], option: [{
                type: core.Input
            }], activated: [{
                type: core.Input
            }], highlightText: [{
                type: core.Input
            }], nzLabelProperty: [{
                type: core.Input
            }], columnIndex: [{
                type: core.Input
            }] }); })();

    /**
     * All data is stored and parsed in NzCascaderService.
     */
    var NzCascaderService = /** @class */ (function () {
        function NzCascaderService() {
            /** Activated options in each column. */
            this.activatedOptions = [];
            /** An array to store cascader items arranged in different layers. */
            this.columns = [];
            /** If user has entered searching mode. */
            this.inSearchingMode = false;
            /** Selected options would be output to user. */
            this.selectedOptions = [];
            this.values = []; // tslint:disable-line:no-any
            this.$loading = new rxjs.BehaviorSubject(false);
            /**
             * Emit an event to notify cascader it needs to redraw because activated or
             * selected options are changed.
             */
            this.$redraw = new rxjs.Subject();
            /**
             * Emit an event when an option gets selected.
             * Emit true if a leaf options is selected.
             */
            this.$optionSelected = new rxjs.Subject();
            /**
             * Emit an event to notify cascader it needs to quit searching mode.
             * Only emit when user do select a searching option.
             */
            this.$quitSearching = new rxjs.Subject();
            /** To hold columns before entering searching mode. */
            this.columnsSnapshot = [[]];
            /** To hold activated options before entering searching mode. */
            this.activatedOptionsSnapshot = [];
        }
        Object.defineProperty(NzCascaderService.prototype, "nzOptions", {
            /** Return cascader options in the first layer. */
            get: function () {
                return this.columns[0];
            },
            enumerable: true,
            configurable: true
        });
        NzCascaderService.prototype.ngOnDestroy = function () {
            this.$redraw.complete();
            this.$quitSearching.complete();
            this.$optionSelected.complete();
            this.$loading.complete();
        };
        /**
         * Make sure that value matches what is displayed in the dropdown.
         */
        NzCascaderService.prototype.syncOptions = function (first) {
            var _this = this;
            if (first === void 0) { first = false; }
            var values = this.values;
            var hasValue = values && values.length;
            var lastColumnIndex = values.length - 1;
            var initColumnWithIndex = function (columnIndex) {
                var activatedOptionSetter = function () {
                    var _a;
                    var currentValue = values[columnIndex];
                    if (!core$1.isNotNil(currentValue)) {
                        _this.$redraw.next();
                        return;
                    }
                    var option = _this.findOptionWithValue(columnIndex, values[columnIndex]) ||
                        (typeof currentValue === 'object'
                            ? currentValue
                            : (_a = {},
                                _a["" + _this.cascaderComponent.nzValueProperty] = currentValue,
                                _a["" + _this.cascaderComponent.nzLabelProperty] = currentValue,
                                _a));
                    _this.setOptionActivated(option, columnIndex, false, false);
                    if (columnIndex < lastColumnIndex) {
                        initColumnWithIndex(columnIndex + 1);
                    }
                    else {
                        _this.dropBehindColumns(columnIndex);
                        _this.selectedOptions = __spread(_this.activatedOptions);
                        _this.$redraw.next();
                    }
                };
                if (_this.isLoaded(columnIndex) || !_this.cascaderComponent.nzLoadData) {
                    activatedOptionSetter();
                }
                else {
                    var option = _this.activatedOptions[columnIndex - 1] || {};
                    _this.loadChildren(option, columnIndex - 1, activatedOptionSetter);
                }
            };
            this.activatedOptions = [];
            this.selectedOptions = [];
            if (first && this.cascaderComponent.nzLoadData && !hasValue) {
                // Should also notify the component that value changes. Fix #3480.
                this.$redraw.next();
                return;
            }
            else {
                initColumnWithIndex(0);
            }
        };
        /**
         * Bind cascader component so this service could use inputs.
         */
        NzCascaderService.prototype.withComponent = function (cascaderComponent) {
            this.cascaderComponent = cascaderComponent;
        };
        /**
         * Reset all options. Rebuild searching options if in searching mode.
         */
        NzCascaderService.prototype.withOptions = function (options) {
            this.columnsSnapshot = this.columns = options && options.length ? [options] : [];
            if (this.inSearchingMode) {
                this.prepareSearchOptions(this.cascaderComponent.inputValue);
            }
            else if (this.columns.length) {
                this.syncOptions();
            }
        };
        /**
         * Try to set a option as activated.
         * @param option Cascader option
         * @param columnIndex Of which column this option is in
         * @param performSelect Select
         * @param loadingChildren Try to load children asynchronously.
         */
        NzCascaderService.prototype.setOptionActivated = function (option, columnIndex, performSelect, loadingChildren) {
            if (performSelect === void 0) { performSelect = false; }
            if (loadingChildren === void 0) { loadingChildren = true; }
            if (option.disabled) {
                return;
            }
            this.activatedOptions[columnIndex] = option;
            this.trackAncestorActivatedOptions(columnIndex);
            this.dropBehindActivatedOptions(columnIndex);
            var isParent = isParentOption(option);
            if (isParent) {
                // Parent option that has children.
                this.setColumnData(option.children, columnIndex + 1, option);
            }
            else if (!option.isLeaf && loadingChildren) {
                // Parent option that should try to load children asynchronously.
                this.loadChildren(option, columnIndex);
            }
            else if (option.isLeaf) {
                // Leaf option.
                this.dropBehindColumns(columnIndex);
            }
            // Actually perform selection to make an options not only activated but also selected.
            if (performSelect) {
                this.setOptionSelected(option, columnIndex);
            }
            this.$redraw.next();
        };
        NzCascaderService.prototype.setOptionSelected = function (option, index) {
            var changeOn = this.cascaderComponent.nzChangeOn;
            var shouldPerformSelection = function (o, i) {
                return typeof changeOn === 'function' ? changeOn(o, i) : false;
            };
            if (option.isLeaf || this.cascaderComponent.nzChangeOnSelect || shouldPerformSelection(option, index)) {
                this.selectedOptions = __spread(this.activatedOptions);
                this.prepareEmitValue();
                this.$redraw.next();
                this.$optionSelected.next({ option: option, index: index });
            }
        };
        NzCascaderService.prototype.setOptionDeactivatedSinceColumn = function (column) {
            this.dropBehindActivatedOptions(column - 1);
            this.dropBehindColumns(column);
            this.$redraw.next();
        };
        /**
         * Set a searching option as selected, finishing up things.
         * @param option
         */
        NzCascaderService.prototype.setSearchOptionSelected = function (option) {
            var _this = this;
            this.activatedOptions = [option];
            this.selectedOptions = __spread(option.path);
            this.prepareEmitValue();
            this.$redraw.next();
            this.$optionSelected.next({ option: option, index: 0 });
            setTimeout(function () {
                // Reset data and tell UI only to remove input and reset dropdown width style.
                _this.$quitSearching.next();
                _this.$redraw.next();
                _this.inSearchingMode = false;
                _this.columns = __spread(_this.columnsSnapshot);
                _this.activatedOptions = __spread(_this.selectedOptions);
            }, 200);
        };
        /**
         * Filter cascader options to reset `columns`.
         * @param searchValue The string user wants to search.
         */
        NzCascaderService.prototype.prepareSearchOptions = function (searchValue) {
            var _this = this;
            var results = []; // Search results only have one layer.
            var path = [];
            var defaultFilter = function (i, p) {
                return p.some(function (o) {
                    var label = _this.getOptionLabel(o);
                    return !!label && label.indexOf(i) !== -1;
                });
            };
            var showSearch = this.cascaderComponent.nzShowSearch;
            var filter = isShowSearchObject(showSearch) && showSearch.filter ? showSearch.filter : defaultFilter;
            var sorter = isShowSearchObject(showSearch) && showSearch.sorter ? showSearch.sorter : null;
            var loopChild = function (node, forceDisabled) {
                var _a;
                if (forceDisabled === void 0) { forceDisabled = false; }
                path.push(node);
                var cPath = Array.from(path);
                if (filter(searchValue, cPath)) {
                    var disabled = forceDisabled || node.disabled;
                    var option = (_a = {
                            disabled: disabled,
                            isLeaf: true,
                            path: cPath
                        },
                        _a[_this.cascaderComponent.nzLabelProperty] = cPath.map(function (p) { return _this.getOptionLabel(p); }).join(' / '),
                        _a);
                    results.push(option);
                }
                path.pop();
            };
            var loopParent = function (node, forceDisabled) {
                if (forceDisabled === void 0) { forceDisabled = false; }
                var disabled = forceDisabled || node.disabled;
                path.push(node);
                node.children.forEach(function (sNode) {
                    if (!sNode.parent) {
                        sNode.parent = node;
                    }
                    if (!sNode.isLeaf) {
                        loopParent(sNode, disabled);
                    }
                    if (sNode.isLeaf || !sNode.children || !sNode.children.length) {
                        loopChild(sNode, disabled);
                    }
                });
                path.pop();
            };
            if (!this.columnsSnapshot.length) {
                this.columns = [[]];
                return;
            }
            this.columnsSnapshot[0].forEach(function (o) { return (isChildOption(o) ? loopChild(o) : loopParent(o)); });
            if (sorter) {
                results.sort(function (a, b) { return sorter(a.path, b.path, searchValue); });
            }
            this.columns = [results];
            this.$redraw.next(); // Search results may be empty, so should redraw.
        };
        /**
         * Toggle searching mode by UI. It deals with things not directly related to UI.
         * @param toSearching If this cascader is entering searching mode
         */
        NzCascaderService.prototype.toggleSearchingMode = function (toSearching) {
            this.inSearchingMode = toSearching;
            if (toSearching) {
                this.activatedOptionsSnapshot = __spread(this.activatedOptions);
                this.activatedOptions = [];
                this.selectedOptions = [];
                this.$redraw.next();
            }
            else {
                // User quit searching mode without selecting an option.
                this.activatedOptions = __spread(this.activatedOptionsSnapshot);
                this.selectedOptions = __spread(this.activatedOptions);
                this.columns = __spread(this.columnsSnapshot);
                this.syncOptions();
                this.$redraw.next();
            }
        };
        /**
         * Clear selected options.
         */
        NzCascaderService.prototype.clear = function () {
            this.values = [];
            this.selectedOptions = [];
            this.activatedOptions = [];
            this.dropBehindColumns(0);
            this.prepareEmitValue();
            this.$redraw.next();
            this.$optionSelected.next(null);
        };
        NzCascaderService.prototype.getOptionLabel = function (o) {
            return o[this.cascaderComponent.nzLabelProperty || 'label'];
        };
        // tslint:disable-next-line:no-any
        NzCascaderService.prototype.getOptionValue = function (o) {
            return o[this.cascaderComponent.nzValueProperty || 'value'];
        };
        /**
         * Try to insert options into a column.
         * @param options Options to insert
         * @param columnIndex Position
         */
        NzCascaderService.prototype.setColumnData = function (options, columnIndex, parent) {
            var existingOptions = this.columns[columnIndex];
            if (!core$1.arraysEqual(existingOptions, options)) {
                options.forEach(function (o) { return (o.parent = parent); });
                this.columns[columnIndex] = options;
                this.dropBehindColumns(columnIndex);
            }
        };
        /**
         * Set all ancestor options as activated.
         */
        NzCascaderService.prototype.trackAncestorActivatedOptions = function (startIndex) {
            for (var i = startIndex - 1; i >= 0; i--) {
                if (!this.activatedOptions[i]) {
                    this.activatedOptions[i] = this.activatedOptions[i + 1].parent;
                }
            }
        };
        NzCascaderService.prototype.dropBehindActivatedOptions = function (lastReserveIndex) {
            this.activatedOptions = this.activatedOptions.splice(0, lastReserveIndex + 1);
        };
        NzCascaderService.prototype.dropBehindColumns = function (lastReserveIndex) {
            if (lastReserveIndex < this.columns.length - 1) {
                this.columns = this.columns.slice(0, lastReserveIndex + 1);
            }
        };
        /**
         * Load children of an option asynchronously.
         */
        NzCascaderService.prototype.loadChildren = function (option, // tslint:disable-line:no-any
        columnIndex, success, failure) {
            var _this = this;
            var loadFn = this.cascaderComponent.nzLoadData;
            if (loadFn) {
                // If there isn't any option in columns.
                this.$loading.next(columnIndex < 0);
                if (typeof option === 'object') {
                    option.loading = true;
                }
                loadFn(option, columnIndex).then(function () {
                    option.loading = false;
                    if (option.children) {
                        _this.setColumnData(option.children, columnIndex + 1, option);
                    }
                    if (success) {
                        success();
                    }
                    _this.$loading.next(false);
                    _this.$redraw.next();
                }, function () {
                    option.loading = false;
                    option.isLeaf = true;
                    if (failure) {
                        failure();
                    }
                    _this.$redraw.next();
                });
            }
        };
        NzCascaderService.prototype.isLoaded = function (index) {
            return this.columns[index] && this.columns[index].length > 0;
        };
        /**
         * Find a option that has a given value in a given column.
         */
        NzCascaderService.prototype.findOptionWithValue = function (columnIndex, value // tslint:disable-line:no-any
        ) {
            var _this = this;
            var targetColumn = this.columns[columnIndex];
            if (targetColumn) {
                var v_1 = typeof value === 'object' ? this.getOptionValue(value) : value;
                return targetColumn.find(function (o) { return v_1 === _this.getOptionValue(o); });
            }
            return null;
        };
        NzCascaderService.prototype.prepareEmitValue = function () {
            var _this = this;
            this.values = this.selectedOptions.map(function (o) { return _this.getOptionValue(o); });
        };
        /** @nocollapse */ NzCascaderService.ɵfac = function NzCascaderService_Factory(t) { return new (t || NzCascaderService)(); };
        /** @nocollapse */ NzCascaderService.ɵprov = core["ɵɵdefineInjectable"]({ token: NzCascaderService, factory: NzCascaderService.ɵfac });
        return NzCascaderService;
    }());
    /*@__PURE__*/ (function () { core["ɵsetClassMetadata"](NzCascaderService, [{
            type: core.Injectable
        }], null, null); })();

    var _c0$1 = ["input"];
    var _c1$1 = ["menu"];
    function NzCascaderComponent_div_3_i_3_Template(rf, ctx) { if (rf & 1) {
        var _r2180 = core["ɵɵgetCurrentView"]();
        core["ɵɵelementStart"](0, "i", 12);
        core["ɵɵlistener"]("click", function NzCascaderComponent_div_3_i_3_Template_i_click_0_listener($event) { core["ɵɵrestoreView"](_r2180); var ctx_r2179 = core["ɵɵnextContext"](2); return ctx_r2179.clearSelection($event); });
        core["ɵɵelementEnd"]();
    } }
    function NzCascaderComponent_div_3_i_4_Template(rf, ctx) { if (rf & 1) {
        core["ɵɵelement"](0, "i", 13);
    } if (rf & 2) {
        var ctx_r2174 = core["ɵɵnextContext"](2);
        core["ɵɵclassProp"]("ant-cascader-picker-arrow-expand", ctx_r2174.menuVisible);
    } }
    function NzCascaderComponent_div_3_i_5_Template(rf, ctx) { if (rf & 1) {
        core["ɵɵelement"](0, "i", 14);
    } }
    function NzCascaderComponent_div_3_ng_container_7_Template(rf, ctx) { if (rf & 1) {
        core["ɵɵelementContainerStart"](0);
        core["ɵɵtext"](1);
        core["ɵɵelementContainerEnd"]();
    } if (rf & 2) {
        var ctx_r2176 = core["ɵɵnextContext"](2);
        core["ɵɵadvance"](1);
        core["ɵɵtextInterpolate"](ctx_r2176.labelRenderText);
    } }
    function NzCascaderComponent_div_3_ng_template_8_ng_template_0_Template(rf, ctx) { }
    function NzCascaderComponent_div_3_ng_template_8_Template(rf, ctx) { if (rf & 1) {
        core["ɵɵtemplate"](0, NzCascaderComponent_div_3_ng_template_8_ng_template_0_Template, 0, 0, "ng-template", 15);
    } if (rf & 2) {
        var ctx_r2178 = core["ɵɵnextContext"](2);
        core["ɵɵproperty"]("ngTemplateOutlet", ctx_r2178.nzLabelRender)("ngTemplateOutletContext", ctx_r2178.labelRenderContext);
    } }
    function NzCascaderComponent_div_3_Template(rf, ctx) { if (rf & 1) {
        var _r2183 = core["ɵɵgetCurrentView"]();
        core["ɵɵelementStart"](0, "div");
        core["ɵɵelementStart"](1, "input", 4, 5);
        core["ɵɵlistener"]("ngModelChange", function NzCascaderComponent_div_3_Template_input_ngModelChange_1_listener($event) { core["ɵɵrestoreView"](_r2183); var ctx_r2182 = core["ɵɵnextContext"](); return ctx_r2182.inputValue = $event; })("blur", function NzCascaderComponent_div_3_Template_input_blur_1_listener() { core["ɵɵrestoreView"](_r2183); var ctx_r2184 = core["ɵɵnextContext"](); return ctx_r2184.handleInputBlur(); })("focus", function NzCascaderComponent_div_3_Template_input_focus_1_listener() { core["ɵɵrestoreView"](_r2183); var ctx_r2185 = core["ɵɵnextContext"](); return ctx_r2185.handleInputFocus(); })("change", function NzCascaderComponent_div_3_Template_input_change_1_listener($event) { core["ɵɵrestoreView"](_r2183); return $event.stopPropagation(); });
        core["ɵɵelementEnd"]();
        core["ɵɵtemplate"](3, NzCascaderComponent_div_3_i_3_Template, 1, 0, "i", 6);
        core["ɵɵtemplate"](4, NzCascaderComponent_div_3_i_4_Template, 1, 2, "i", 7);
        core["ɵɵtemplate"](5, NzCascaderComponent_div_3_i_5_Template, 1, 0, "i", 8);
        core["ɵɵelementStart"](6, "span", 9);
        core["ɵɵtemplate"](7, NzCascaderComponent_div_3_ng_container_7_Template, 2, 1, "ng-container", 10);
        core["ɵɵtemplate"](8, NzCascaderComponent_div_3_ng_template_8_Template, 1, 2, "ng-template", null, 11, core["ɵɵtemplateRefExtractor"]);
        core["ɵɵelementEnd"]();
        core["ɵɵelementEnd"]();
    } if (rf & 2) {
        var _r2177 = core["ɵɵreference"](9);
        var ctx_r2170 = core["ɵɵnextContext"]();
        core["ɵɵadvance"](1);
        core["ɵɵclassProp"]("ant-cascader-input-disabled", ctx_r2170.nzDisabled)("ant-cascader-input-lg", ctx_r2170.nzSize === "large")("ant-cascader-input-sm", ctx_r2170.nzSize === "small");
        core["ɵɵproperty"]("readonly", !ctx_r2170.nzShowSearch)("disabled", ctx_r2170.nzDisabled)("nzSize", ctx_r2170.nzSize)("ngModel", ctx_r2170.inputValue);
        core["ɵɵattribute"]("autoComplete", "off")("placeholder", ctx_r2170.showPlaceholder ? ctx_r2170.nzPlaceHolder || (ctx_r2170.locale == null ? null : ctx_r2170.locale.placeholder) : null)("autofocus", ctx_r2170.nzAutoFocus ? "autofocus" : null);
        core["ɵɵadvance"](2);
        core["ɵɵproperty"]("ngIf", ctx_r2170.clearIconVisible);
        core["ɵɵadvance"](1);
        core["ɵɵproperty"]("ngIf", ctx_r2170.nzShowArrow && !ctx_r2170.isLoading);
        core["ɵɵadvance"](1);
        core["ɵɵproperty"]("ngIf", ctx_r2170.isLoading);
        core["ɵɵadvance"](1);
        core["ɵɵclassProp"]("ant-cascader-show-search", !!ctx_r2170.nzShowSearch)("ant-focusd", !!ctx_r2170.nzShowSearch && ctx_r2170.isFocused && !ctx_r2170.inputValue);
        core["ɵɵadvance"](1);
        core["ɵɵproperty"]("ngIf", !ctx_r2170.isLabelRenderTemplate)("ngIfElse", _r2177);
    } }
    function NzCascaderComponent_ng_template_5_ul_2_Template(rf, ctx) { if (rf & 1) {
        core["ɵɵelementStart"](0, "ul", 20);
        core["ɵɵelementStart"](1, "li", 21);
        core["ɵɵelement"](2, "nz-embed-empty", 22);
        core["ɵɵelementEnd"]();
        core["ɵɵelementEnd"]();
    } if (rf & 2) {
        var ctx_r2188 = core["ɵɵnextContext"](2);
        core["ɵɵstyleProp"]("width", ctx_r2188.dropdownWidthStyle)("height", ctx_r2188.dropdownHeightStyle);
        core["ɵɵadvance"](2);
        core["ɵɵproperty"]("nzComponentName", "cascader")("specificContent", ctx_r2188.nzNotFoundContent);
    } }
    function NzCascaderComponent_ng_template_5_ng_template_3_ul_0_li_1_Template(rf, ctx) { if (rf & 1) {
        var _r2198 = core["ɵɵgetCurrentView"]();
        core["ɵɵelementStart"](0, "li", 26);
        core["ɵɵlistener"]("mouseenter", function NzCascaderComponent_ng_template_5_ng_template_3_ul_0_li_1_Template_li_mouseenter_0_listener($event) { core["ɵɵrestoreView"](_r2198); var option_r2195 = ctx.$implicit; var i_r2193 = core["ɵɵnextContext"]().index; var ctx_r2196 = core["ɵɵnextContext"](3); return ctx_r2196.onOptionMouseEnter(option_r2195, i_r2193, $event); })("mouseleave", function NzCascaderComponent_ng_template_5_ng_template_3_ul_0_li_1_Template_li_mouseleave_0_listener($event) { core["ɵɵrestoreView"](_r2198); var option_r2195 = ctx.$implicit; var i_r2193 = core["ɵɵnextContext"]().index; var ctx_r2199 = core["ɵɵnextContext"](3); return ctx_r2199.onOptionMouseLeave(option_r2195, i_r2193, $event); })("click", function NzCascaderComponent_ng_template_5_ng_template_3_ul_0_li_1_Template_li_click_0_listener($event) { core["ɵɵrestoreView"](_r2198); var option_r2195 = ctx.$implicit; var i_r2193 = core["ɵɵnextContext"]().index; var ctx_r2201 = core["ɵɵnextContext"](3); return ctx_r2201.onOptionClick(option_r2195, i_r2193, $event); });
        core["ɵɵelementEnd"]();
    } if (rf & 2) {
        var option_r2195 = ctx.$implicit;
        var i_r2193 = core["ɵɵnextContext"]().index;
        var ctx_r2194 = core["ɵɵnextContext"](3);
        core["ɵɵproperty"]("columnIndex", i_r2193)("nzLabelProperty", ctx_r2194.nzLabelProperty)("optionTemplate", ctx_r2194.nzOptionRender)("activated", ctx_r2194.isOptionActivated(option_r2195, i_r2193))("highlightText", ctx_r2194.inSearchingMode ? ctx_r2194.inputValue : "")("option", option_r2195);
    } }
    function NzCascaderComponent_ng_template_5_ng_template_3_ul_0_Template(rf, ctx) { if (rf & 1) {
        core["ɵɵelementStart"](0, "ul", 24);
        core["ɵɵtemplate"](1, NzCascaderComponent_ng_template_5_ng_template_3_ul_0_li_1_Template, 1, 6, "li", 25);
        core["ɵɵelementEnd"]();
    } if (rf & 2) {
        var options_r2192 = ctx.$implicit;
        var ctx_r2191 = core["ɵɵnextContext"](3);
        core["ɵɵstyleProp"]("height", ctx_r2191.dropdownHeightStyle)("width", ctx_r2191.dropdownWidthStyle);
        core["ɵɵproperty"]("ngClass", ctx_r2191.menuColumnCls);
        core["ɵɵadvance"](1);
        core["ɵɵproperty"]("ngForOf", options_r2192);
    } }
    function NzCascaderComponent_ng_template_5_ng_template_3_Template(rf, ctx) { if (rf & 1) {
        core["ɵɵtemplate"](0, NzCascaderComponent_ng_template_5_ng_template_3_ul_0_Template, 2, 6, "ul", 23);
    } if (rf & 2) {
        var ctx_r2190 = core["ɵɵnextContext"](2);
        core["ɵɵproperty"]("ngForOf", ctx_r2190.cascaderService.columns);
    } }
    function NzCascaderComponent_ng_template_5_Template(rf, ctx) { if (rf & 1) {
        var _r2205 = core["ɵɵgetCurrentView"]();
        core["ɵɵelementStart"](0, "div", 16, 17);
        core["ɵɵlistener"]("mouseleave", function NzCascaderComponent_ng_template_5_Template_div_mouseleave_0_listener($event) { core["ɵɵrestoreView"](_r2205); var ctx_r2204 = core["ɵɵnextContext"](); return ctx_r2204.onTriggerMouseLeave($event); });
        core["ɵɵtemplate"](2, NzCascaderComponent_ng_template_5_ul_2_Template, 3, 6, "ul", 18);
        core["ɵɵtemplate"](3, NzCascaderComponent_ng_template_5_ng_template_3_Template, 1, 1, "ng-template", null, 19, core["ɵɵtemplateRefExtractor"]);
        core["ɵɵelementEnd"]();
    } if (rf & 2) {
        var _r2189 = core["ɵɵreference"](4);
        var ctx_r2171 = core["ɵɵnextContext"]();
        core["ɵɵclassProp"]("ant-cascader-menus-hidden", !ctx_r2171.menuVisible);
        core["ɵɵproperty"]("ngClass", ctx_r2171.menuCls)("ngStyle", ctx_r2171.nzMenuStyle)("@.disabled", ctx_r2171.noAnimation == null ? null : ctx_r2171.noAnimation.nzNoAnimation)("nzNoAnimation", ctx_r2171.noAnimation == null ? null : ctx_r2171.noAnimation.nzNoAnimation)("@slideMotion", ctx_r2171.dropDownPosition);
        core["ɵɵadvance"](2);
        core["ɵɵproperty"]("ngIf", ctx_r2171.shouldShowEmpty)("ngIfElse", _r2189);
    } }
    var _c2 = ["*"];
    var NZ_CONFIG_COMPONENT_NAME = 'cascader';
    var defaultDisplayRender = function (labels) { return labels.join(' / '); };
    var NzCascaderComponent = /** @class */ (function () {
        function NzCascaderComponent(cascaderService, i18nService, nzConfigService, cdr, elementRef, renderer, noAnimation) {
            this.cascaderService = cascaderService;
            this.i18nService = i18nService;
            this.nzConfigService = nzConfigService;
            this.cdr = cdr;
            this.noAnimation = noAnimation;
            this.nzOptionRender = null;
            this.nzShowInput = true;
            this.nzShowArrow = true;
            this.nzAllowClear = true;
            this.nzAutoFocus = false;
            this.nzChangeOnSelect = false;
            this.nzDisabled = false;
            this.nzExpandTrigger = 'click';
            this.nzValueProperty = 'value';
            this.nzLabelProperty = 'label';
            this.nzMouseEnterDelay = 150; // ms
            this.nzMouseLeaveDelay = 150; // ms
            this.nzTriggerAction = ['click'];
            this.nzVisibleChange = new core.EventEmitter();
            this.nzSelectionChange = new core.EventEmitter();
            this.nzSelect = new core.EventEmitter();
            this.nzClear = new core.EventEmitter();
            /**
             * If the dropdown should show the empty content.
             * `true` if there's no options.
             */
            this.shouldShowEmpty = false;
            this.dropDownPosition = 'bottom';
            this.menuVisible = false;
            this.isLoading = false;
            this.labelRenderContext = {};
            this.onChange = Function.prototype;
            this.onTouched = Function.prototype;
            this.positions = __spread(core$1.DEFAULT_CASCADER_POSITIONS);
            this.dropdownHeightStyle = '';
            this.isFocused = false;
            this.destroy$ = new rxjs.Subject();
            this.inputString = '';
            this.isOpening = false;
            this.el = elementRef.nativeElement;
            this.cascaderService.withComponent(this);
            renderer.addClass(elementRef.nativeElement, 'ant-cascader');
            renderer.addClass(elementRef.nativeElement, 'ant-cascader-picker');
        }
        Object.defineProperty(NzCascaderComponent.prototype, "nzOptions", {
            get: function () {
                return this.cascaderService.nzOptions;
            },
            set: function (options) {
                this.cascaderService.withOptions(options);
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(NzCascaderComponent.prototype, "inSearchingMode", {
            get: function () {
                return this.cascaderService.inSearchingMode;
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(NzCascaderComponent.prototype, "inputValue", {
            get: function () {
                return this.inputString;
            },
            set: function (inputValue) {
                this.inputString = inputValue;
                this.toggleSearchingMode(!!inputValue);
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(NzCascaderComponent.prototype, "menuCls", {
            get: function () {
                var _a;
                return _a = {}, _a["" + this.nzMenuClassName] = !!this.nzMenuClassName, _a;
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(NzCascaderComponent.prototype, "menuColumnCls", {
            get: function () {
                var _a;
                return _a = {}, _a["" + this.nzColumnClassName] = !!this.nzColumnClassName, _a;
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(NzCascaderComponent.prototype, "hasInput", {
            get: function () {
                return !!this.inputValue;
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(NzCascaderComponent.prototype, "hasValue", {
            get: function () {
                return this.cascaderService.values && this.cascaderService.values.length > 0;
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(NzCascaderComponent.prototype, "showPlaceholder", {
            get: function () {
                return !(this.hasInput || this.hasValue);
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(NzCascaderComponent.prototype, "clearIconVisible", {
            get: function () {
                return this.nzAllowClear && !this.nzDisabled && (this.hasValue || this.hasInput);
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(NzCascaderComponent.prototype, "isLabelRenderTemplate", {
            get: function () {
                return !!this.nzLabelRender;
            },
            enumerable: true,
            configurable: true
        });
        NzCascaderComponent.prototype.ngOnInit = function () {
            var _this = this;
            var srv = this.cascaderService;
            srv.$redraw.pipe(operators.takeUntil(this.destroy$)).subscribe(function () {
                // These operations would not mutate data.
                _this.checkChildren();
                _this.setDisplayLabel();
                _this.reposition();
                _this.setDropdownStyles();
                _this.cdr.markForCheck();
            });
            srv.$loading.pipe(operators.takeUntil(this.destroy$)).subscribe(function (loading) {
                _this.isLoading = loading;
            });
            srv.$optionSelected.pipe(operators.takeUntil(this.destroy$)).subscribe(function (data) {
                if (!data) {
                    _this.onChange([]);
                    _this.nzSelect.emit(null);
                    _this.nzSelectionChange.emit([]);
                }
                else {
                    var option = data.option, index = data.index;
                    var shouldClose = option.isLeaf;
                    if (shouldClose) {
                        _this.delaySetMenuVisible(false);
                    }
                    _this.onChange(_this.cascaderService.values);
                    _this.nzSelectionChange.emit(_this.cascaderService.selectedOptions);
                    _this.nzSelect.emit({ option: option, index: index });
                    _this.cdr.markForCheck();
                }
            });
            srv.$quitSearching.pipe(operators.takeUntil(this.destroy$)).subscribe(function () {
                _this.inputString = '';
                _this.dropdownWidthStyle = '';
            });
            this.i18nService.localeChange.pipe(operators.startWith(), operators.takeUntil(this.destroy$)).subscribe(function () {
                _this.setLocale();
            });
            this.nzConfigService
                .getConfigChangeEventForComponent(NZ_CONFIG_COMPONENT_NAME)
                .pipe(operators.takeUntil(this.destroy$))
                .subscribe(function () {
                _this.cdr.markForCheck();
            });
        };
        NzCascaderComponent.prototype.ngOnDestroy = function () {
            this.destroy$.next();
            this.destroy$.complete();
            this.clearDelayMenuTimer();
            this.clearDelaySelectTimer();
        };
        NzCascaderComponent.prototype.registerOnChange = function (fn) {
            this.onChange = fn;
        };
        NzCascaderComponent.prototype.registerOnTouched = function (fn) {
            this.onTouched = fn;
        };
        // tslint:disable-next-line:no-any
        NzCascaderComponent.prototype.writeValue = function (value) {
            this.cascaderService.values = core$1.toArray(value);
            this.cascaderService.syncOptions(true);
        };
        NzCascaderComponent.prototype.delaySetMenuVisible = function (visible, delay, setOpening) {
            var _this = this;
            if (delay === void 0) { delay = 100; }
            if (setOpening === void 0) { setOpening = false; }
            this.clearDelayMenuTimer();
            if (delay) {
                if (visible && setOpening) {
                    this.isOpening = true;
                }
                this.delayMenuTimer = setTimeout(function () {
                    _this.setMenuVisible(visible);
                    _this.cdr.detectChanges();
                    _this.clearDelayMenuTimer();
                    if (visible) {
                        setTimeout(function () {
                            _this.isOpening = false;
                        }, 100);
                    }
                }, delay);
            }
            else {
                this.setMenuVisible(visible);
            }
        };
        NzCascaderComponent.prototype.setMenuVisible = function (visible) {
            if (this.nzDisabled || this.menuVisible === visible) {
                return;
            }
            if (visible) {
                this.cascaderService.syncOptions();
            }
            this.menuVisible = visible;
            this.nzVisibleChange.emit(visible);
            this.cdr.detectChanges();
        };
        NzCascaderComponent.prototype.clearDelayMenuTimer = function () {
            if (this.delayMenuTimer) {
                clearTimeout(this.delayMenuTimer);
                this.delayMenuTimer = null;
            }
        };
        NzCascaderComponent.prototype.clearSelection = function (event) {
            if (event) {
                event.preventDefault();
                event.stopPropagation();
            }
            this.labelRenderText = '';
            this.labelRenderContext = {};
            this.inputValue = '';
            this.setMenuVisible(false);
            this.cascaderService.clear();
        };
        // tslint:disable-next-line:no-any
        NzCascaderComponent.prototype.getSubmitValue = function () {
            var _this = this;
            return this.cascaderService.selectedOptions.map(function (o) { return _this.cascaderService.getOptionValue(o); });
        };
        NzCascaderComponent.prototype.focus = function () {
            if (!this.isFocused) {
                (this.input ? this.input.nativeElement : this.el).focus();
                this.isFocused = true;
            }
        };
        NzCascaderComponent.prototype.blur = function () {
            if (this.isFocused) {
                (this.input ? this.input.nativeElement : this.el).blur();
                this.isFocused = false;
            }
        };
        NzCascaderComponent.prototype.handleInputBlur = function () {
            this.menuVisible ? this.focus() : this.blur();
        };
        NzCascaderComponent.prototype.handleInputFocus = function () {
            this.focus();
        };
        NzCascaderComponent.prototype.onKeyDown = function (event) {
            var keyCode = event.keyCode;
            if (keyCode !== keycodes.DOWN_ARROW &&
                keyCode !== keycodes.UP_ARROW &&
                keyCode !== keycodes.LEFT_ARROW &&
                keyCode !== keycodes.RIGHT_ARROW &&
                keyCode !== keycodes.ENTER &&
                keyCode !== keycodes.BACKSPACE &&
                keyCode !== keycodes.ESCAPE) {
                return;
            }
            // Press any keys above to reopen menu.
            if (!this.menuVisible && keyCode !== keycodes.BACKSPACE && keyCode !== keycodes.ESCAPE) {
                return this.setMenuVisible(true);
            }
            // Make these keys work as default in searching mode.
            if (this.inSearchingMode && (keyCode === keycodes.BACKSPACE || keyCode === keycodes.LEFT_ARROW || keyCode === keycodes.RIGHT_ARROW)) {
                return;
            }
            // Interact with the component.
            if (this.menuVisible) {
                event.preventDefault();
                if (keyCode === keycodes.DOWN_ARROW) {
                    this.moveUpOrDown(false);
                }
                else if (keyCode === keycodes.UP_ARROW) {
                    this.moveUpOrDown(true);
                }
                else if (keyCode === keycodes.LEFT_ARROW) {
                    this.moveLeft();
                }
                else if (keyCode === keycodes.RIGHT_ARROW) {
                    this.moveRight();
                }
                else if (keyCode === keycodes.ENTER) {
                    this.onEnter();
                }
            }
        };
        NzCascaderComponent.prototype.onTriggerClick = function () {
            if (this.nzDisabled) {
                return;
            }
            if (this.nzShowSearch) {
                this.focus();
            }
            if (this.isActionTrigger('click')) {
                this.delaySetMenuVisible(!this.menuVisible, 100);
            }
            this.onTouched();
        };
        NzCascaderComponent.prototype.onTriggerMouseEnter = function () {
            if (this.nzDisabled || !this.isActionTrigger('hover')) {
                return;
            }
            this.delaySetMenuVisible(true, this.nzMouseEnterDelay, true);
        };
        NzCascaderComponent.prototype.onTriggerMouseLeave = function (event) {
            if (this.nzDisabled || !this.menuVisible || this.isOpening || !this.isActionTrigger('hover')) {
                event.preventDefault();
                return;
            }
            var mouseTarget = event.relatedTarget;
            var hostEl = this.el;
            var menuEl = this.menu && this.menu.nativeElement;
            if (hostEl.contains(mouseTarget) || (menuEl && menuEl.contains(mouseTarget))) {
                return;
            }
            this.delaySetMenuVisible(false, this.nzMouseLeaveDelay);
        };
        NzCascaderComponent.prototype.onOptionMouseEnter = function (option, columnIndex, event) {
            event.preventDefault();
            if (this.nzExpandTrigger === 'hover') {
                if (!option.isLeaf) {
                    this.delaySetOptionActivated(option, columnIndex, false);
                }
                else {
                    this.cascaderService.setOptionDeactivatedSinceColumn(columnIndex);
                }
            }
        };
        NzCascaderComponent.prototype.onOptionMouseLeave = function (option, _columnIndex, event) {
            event.preventDefault();
            if (this.nzExpandTrigger === 'hover' && !option.isLeaf) {
                this.clearDelaySelectTimer();
            }
        };
        NzCascaderComponent.prototype.onOptionClick = function (option, columnIndex, event) {
            if (event) {
                event.preventDefault();
            }
            if (option && option.disabled) {
                return;
            }
            this.el.focus();
            this.inSearchingMode
                ? this.cascaderService.setSearchOptionSelected(option)
                : this.cascaderService.setOptionActivated(option, columnIndex, true);
        };
        NzCascaderComponent.prototype.isActionTrigger = function (action) {
            return typeof this.nzTriggerAction === 'string' ? this.nzTriggerAction === action : this.nzTriggerAction.indexOf(action) !== -1;
        };
        NzCascaderComponent.prototype.onEnter = function () {
            var columnIndex = Math.max(this.cascaderService.activatedOptions.length - 1, 0);
            var option = this.cascaderService.activatedOptions[columnIndex];
            if (option && !option.disabled) {
                this.inSearchingMode
                    ? this.cascaderService.setSearchOptionSelected(option)
                    : this.cascaderService.setOptionActivated(option, columnIndex, true);
            }
        };
        NzCascaderComponent.prototype.moveUpOrDown = function (isUp) {
            var columnIndex = Math.max(this.cascaderService.activatedOptions.length - 1, 0);
            var activeOption = this.cascaderService.activatedOptions[columnIndex];
            var options = this.cascaderService.columns[columnIndex] || [];
            var length = options.length;
            var nextIndex = -1;
            if (!activeOption) {
                // Not selected options in this column
                nextIndex = isUp ? length : -1;
            }
            else {
                nextIndex = options.indexOf(activeOption);
            }
            while (true) {
                nextIndex = isUp ? nextIndex - 1 : nextIndex + 1;
                if (nextIndex < 0 || nextIndex >= length) {
                    break;
                }
                var nextOption = options[nextIndex];
                if (!nextOption || nextOption.disabled) {
                    continue;
                }
                this.cascaderService.setOptionActivated(nextOption, columnIndex);
                break;
            }
        };
        NzCascaderComponent.prototype.moveLeft = function () {
            var options = this.cascaderService.activatedOptions;
            if (options.length) {
                options.pop(); // Remove the last one
            }
        };
        NzCascaderComponent.prototype.moveRight = function () {
            var length = this.cascaderService.activatedOptions.length;
            var options = this.cascaderService.columns[length];
            if (options && options.length) {
                var nextOpt = options.find(function (o) { return !o.disabled; });
                if (nextOpt) {
                    this.cascaderService.setOptionActivated(nextOpt, length);
                }
            }
        };
        NzCascaderComponent.prototype.clearDelaySelectTimer = function () {
            if (this.delaySelectTimer) {
                clearTimeout(this.delaySelectTimer);
                this.delaySelectTimer = null;
            }
        };
        NzCascaderComponent.prototype.delaySetOptionActivated = function (option, columnIndex, performSelect) {
            var _this = this;
            this.clearDelaySelectTimer();
            this.delaySelectTimer = setTimeout(function () {
                _this.cascaderService.setOptionActivated(option, columnIndex, performSelect);
                _this.delaySelectTimer = null;
            }, 150);
        };
        NzCascaderComponent.prototype.toggleSearchingMode = function (toSearching) {
            if (this.inSearchingMode !== toSearching) {
                this.cascaderService.toggleSearchingMode(toSearching);
            }
            if (this.inSearchingMode) {
                this.cascaderService.prepareSearchOptions(this.inputValue);
            }
        };
        NzCascaderComponent.prototype.isOptionActivated = function (option, index) {
            var activeOpt = this.cascaderService.activatedOptions[index];
            return activeOpt === option;
        };
        NzCascaderComponent.prototype.setDisabledState = function (isDisabled) {
            if (isDisabled) {
                this.closeMenu();
            }
            this.nzDisabled = isDisabled;
        };
        NzCascaderComponent.prototype.closeMenu = function () {
            this.blur();
            this.clearDelayMenuTimer();
            this.setMenuVisible(false);
        };
        NzCascaderComponent.prototype.onPositionChange = function (position) {
            var newValue = position.connectionPair.originY === 'bottom' ? 'bottom' : 'top';
            if (this.dropDownPosition !== newValue) {
                this.dropDownPosition = newValue;
                this.cdr.detectChanges();
            }
        };
        /**
         * Reposition the cascader panel. When a menu opens, the cascader expands
         * and may exceed the boundary of browser's window.
         */
        NzCascaderComponent.prototype.reposition = function () {
            var _this = this;
            if (this.overlay && this.overlay.overlayRef && this.menuVisible) {
                Promise.resolve().then(function () {
                    _this.overlay.overlayRef.updatePosition();
                });
            }
        };
        /**
         * When a cascader options is changed, a child needs to know that it should re-render.
         */
        NzCascaderComponent.prototype.checkChildren = function () {
            if (this.cascaderItems) {
                this.cascaderItems.forEach(function (item) { return item.markForCheck(); });
            }
        };
        NzCascaderComponent.prototype.setDisplayLabel = function () {
            var _this = this;
            var selectedOptions = this.cascaderService.selectedOptions;
            var labels = selectedOptions.map(function (o) { return _this.cascaderService.getOptionLabel(o); });
            if (this.isLabelRenderTemplate) {
                this.labelRenderContext = { labels: labels, selectedOptions: selectedOptions };
            }
            else {
                this.labelRenderText = defaultDisplayRender.call(this, labels, selectedOptions);
            }
        };
        NzCascaderComponent.prototype.setDropdownStyles = function () {
            var firstColumn = this.cascaderService.columns[0];
            this.shouldShowEmpty =
                (this.inSearchingMode && (!firstColumn || !firstColumn.length)) || // Should show empty when there's no searching result
                    (!(this.nzOptions && this.nzOptions.length) && !this.nzLoadData); // Should show when there's no options and developer does not use nzLoadData
            this.dropdownHeightStyle = this.shouldShowEmpty ? 'auto' : '';
            if (this.input) {
                this.dropdownWidthStyle = this.inSearchingMode || this.shouldShowEmpty ? this.input.nativeElement.offsetWidth + "px" : '';
            }
        };
        NzCascaderComponent.prototype.setLocale = function () {
            this.locale = this.i18nService.getLocaleData('global');
            this.cdr.markForCheck();
        };
        /** @nocollapse */ NzCascaderComponent.ɵfac = function NzCascaderComponent_Factory(t) { return new (t || NzCascaderComponent)(core["ɵɵdirectiveInject"](NzCascaderService), core["ɵɵdirectiveInject"](i18n.NzI18nService), core["ɵɵdirectiveInject"](core$1.NzConfigService), core["ɵɵdirectiveInject"](core.ChangeDetectorRef), core["ɵɵdirectiveInject"](core.ElementRef), core["ɵɵdirectiveInject"](core.Renderer2), core["ɵɵdirectiveInject"](core$1.NzNoAnimationDirective, 9)); };
        /** @nocollapse */ NzCascaderComponent.ɵcmp = core["ɵɵdefineComponent"]({ type: NzCascaderComponent, selectors: [["nz-cascader"], ["", "nz-cascader", ""]], viewQuery: function NzCascaderComponent_Query(rf, ctx) { if (rf & 1) {
                core["ɵɵviewQuery"](_c0$1, true);
                core["ɵɵviewQuery"](_c1$1, true);
                core["ɵɵviewQuery"](overlay.CdkConnectedOverlay, true);
                core["ɵɵviewQuery"](NzCascaderOptionComponent, true);
            } if (rf & 2) {
                var _t;
                core["ɵɵqueryRefresh"](_t = core["ɵɵloadQuery"]()) && (ctx.input = _t.first);
                core["ɵɵqueryRefresh"](_t = core["ɵɵloadQuery"]()) && (ctx.menu = _t.first);
                core["ɵɵqueryRefresh"](_t = core["ɵɵloadQuery"]()) && (ctx.overlay = _t.first);
                core["ɵɵqueryRefresh"](_t = core["ɵɵloadQuery"]()) && (ctx.cascaderItems = _t);
            } }, hostVars: 13, hostBindings: function NzCascaderComponent_HostBindings(rf, ctx) { if (rf & 1) {
                core["ɵɵlistener"]("keydown", function NzCascaderComponent_keydown_HostBindingHandler($event) { return ctx.onKeyDown($event); })("click", function NzCascaderComponent_click_HostBindingHandler() { return ctx.onTriggerClick(); })("mouseenter", function NzCascaderComponent_mouseenter_HostBindingHandler() { return ctx.onTriggerMouseEnter(); })("mouseleave", function NzCascaderComponent_mouseleave_HostBindingHandler($event) { return ctx.onTriggerMouseLeave($event); });
            } if (rf & 2) {
                core["ɵɵattribute"]("tabIndex", "0");
                core["ɵɵclassProp"]("ant-cascader-lg", ctx.nzSize === "large")("ant-cascader-sm", ctx.nzSize === "small")("ant-cascader-picker-disabled", ctx.nzDisabled)("ant-cascader-picker-open", ctx.menuVisible)("ant-cascader-picker-with-value", !!ctx.inputValue)("ant-cascader-focused", ctx.isFocused);
            } }, inputs: { nzOptionRender: "nzOptionRender", nzShowInput: "nzShowInput", nzShowArrow: "nzShowArrow", nzAllowClear: "nzAllowClear", nzAutoFocus: "nzAutoFocus", nzChangeOnSelect: "nzChangeOnSelect", nzDisabled: "nzDisabled", nzColumnClassName: "nzColumnClassName", nzExpandTrigger: "nzExpandTrigger", nzValueProperty: "nzValueProperty", nzLabelRender: "nzLabelRender", nzLabelProperty: "nzLabelProperty", nzNotFoundContent: "nzNotFoundContent", nzSize: "nzSize", nzShowSearch: "nzShowSearch", nzPlaceHolder: "nzPlaceHolder", nzMenuClassName: "nzMenuClassName", nzMenuStyle: "nzMenuStyle", nzMouseEnterDelay: "nzMouseEnterDelay", nzMouseLeaveDelay: "nzMouseLeaveDelay", nzTriggerAction: "nzTriggerAction", nzChangeOn: "nzChangeOn", nzLoadData: "nzLoadData", nzOptions: "nzOptions" }, outputs: { nzVisibleChange: "nzVisibleChange", nzSelectionChange: "nzSelectionChange", nzSelect: "nzSelect", nzClear: "nzClear" }, exportAs: ["nzCascader"], features: [core["ɵɵProvidersFeature"]([
                    {
                        provide: forms.NG_VALUE_ACCESSOR,
                        useExisting: core.forwardRef((function () { return NzCascaderComponent; })),
                        multi: true
                    },
                    NzCascaderService
                ])], ngContentSelectors: _c2, decls: 6, vars: 4, consts: [["cdkOverlayOrigin", ""], ["origin", "cdkOverlayOrigin", "trigger", ""], [4, "ngIf"], ["cdkConnectedOverlay", "", "nzConnectedOverlay", "", "cdkConnectedOverlayHasBackdrop", "", 3, "cdkConnectedOverlayOrigin", "cdkConnectedOverlayPositions", "cdkConnectedOverlayOpen", "backdropClick", "detach", "positionChange"], ["nz-input", "", 1, "ant-cascader-input", 3, "readonly", "disabled", "nzSize", "ngModel", "ngModelChange", "blur", "focus", "change"], ["input", ""], ["nz-icon", "", "nzType", "close-circle", "nzTheme", "fill", "class", "ant-cascader-picker-clear", 3, "click", 4, "ngIf"], ["nz-icon", "", "nzType", "down", "class", "ant-cascader-picker-arrow", 3, "ant-cascader-picker-arrow-expand", 4, "ngIf"], ["nz-icon", "", "nzType", "loading", "class", "ant-cascader-picker-arrow", 4, "ngIf"], [1, "ant-cascader-picker-label"], [4, "ngIf", "ngIfElse"], ["labelTemplate", ""], ["nz-icon", "", "nzType", "close-circle", "nzTheme", "fill", 1, "ant-cascader-picker-clear", 3, "click"], ["nz-icon", "", "nzType", "down", 1, "ant-cascader-picker-arrow"], ["nz-icon", "", "nzType", "loading", 1, "ant-cascader-picker-arrow"], [3, "ngTemplateOutlet", "ngTemplateOutletContext"], [1, "ant-cascader-menus", 3, "ngClass", "ngStyle", "nzNoAnimation", "mouseleave"], ["menu", ""], ["class", "ant-cascader-menu", 3, "width", "height", 4, "ngIf", "ngIfElse"], ["hasOptionsTemplate", ""], [1, "ant-cascader-menu"], [1, "ant-cascader-menu-item", "ant-cascader-menu-item-expanded", "ant-cascader-menu-item-disabled"], [3, "nzComponentName", "specificContent"], ["class", "ant-cascader-menu", 3, "ngClass", "height", "width", 4, "ngFor", "ngForOf"], [1, "ant-cascader-menu", 3, "ngClass"], ["nz-cascader-option", "", 3, "columnIndex", "nzLabelProperty", "optionTemplate", "activated", "highlightText", "option", "mouseenter", "mouseleave", "click", 4, "ngFor", "ngForOf"], ["nz-cascader-option", "", 3, "columnIndex", "nzLabelProperty", "optionTemplate", "activated", "highlightText", "option", "mouseenter", "mouseleave", "click"]], template: function NzCascaderComponent_Template(rf, ctx) { if (rf & 1) {
                core["ɵɵprojectionDef"]();
                core["ɵɵelementStart"](0, "div", 0, 1);
                core["ɵɵtemplate"](3, NzCascaderComponent_div_3_Template, 10, 22, "div", 2);
                core["ɵɵprojection"](4);
                core["ɵɵelementEnd"]();
                core["ɵɵtemplate"](5, NzCascaderComponent_ng_template_5_Template, 5, 9, "ng-template", 3);
                core["ɵɵlistener"]("backdropClick", function NzCascaderComponent_Template_ng_template_backdropClick_5_listener() { return ctx.closeMenu(); })("detach", function NzCascaderComponent_Template_ng_template_detach_5_listener() { return ctx.closeMenu(); })("positionChange", function NzCascaderComponent_Template_ng_template_positionChange_5_listener($event) { return ctx.onPositionChange($event); });
            } if (rf & 2) {
                var _r2168 = core["ɵɵreference"](1);
                core["ɵɵadvance"](3);
                core["ɵɵproperty"]("ngIf", ctx.nzShowInput);
                core["ɵɵadvance"](2);
                core["ɵɵproperty"]("cdkConnectedOverlayOrigin", _r2168)("cdkConnectedOverlayPositions", ctx.positions)("cdkConnectedOverlayOpen", ctx.menuVisible);
            } }, directives: [overlay.CdkOverlayOrigin, common.NgIf, overlay.CdkConnectedOverlay, core$1.NzConnectedOverlayDirective, input.NzInputDirective, forms.DefaultValueAccessor, forms.NgControlStatus, forms.NgModel, icon.NzIconDirective, common.NgTemplateOutlet, common.NgClass, common.NgStyle, core$1.NzNoAnimationDirective, empty.NzEmbedEmptyComponent, common.NgForOf, NzCascaderOptionComponent], encapsulation: 2, data: { animation: [core$1.slideMotion] }, changeDetection: 0 });
        __decorate([
            core$1.InputBoolean(),
            __metadata("design:type", Object)
        ], NzCascaderComponent.prototype, "nzShowInput", void 0);
        __decorate([
            core$1.InputBoolean(),
            __metadata("design:type", Object)
        ], NzCascaderComponent.prototype, "nzShowArrow", void 0);
        __decorate([
            core$1.InputBoolean(),
            __metadata("design:type", Object)
        ], NzCascaderComponent.prototype, "nzAllowClear", void 0);
        __decorate([
            core$1.InputBoolean(),
            __metadata("design:type", Object)
        ], NzCascaderComponent.prototype, "nzAutoFocus", void 0);
        __decorate([
            core$1.InputBoolean(),
            __metadata("design:type", Object)
        ], NzCascaderComponent.prototype, "nzChangeOnSelect", void 0);
        __decorate([
            core$1.InputBoolean(),
            __metadata("design:type", Object)
        ], NzCascaderComponent.prototype, "nzDisabled", void 0);
        __decorate([
            core$1.WithConfig(NZ_CONFIG_COMPONENT_NAME, 'default'),
            __metadata("design:type", String)
        ], NzCascaderComponent.prototype, "nzSize", void 0);
        return NzCascaderComponent;
    }());
    /*@__PURE__*/ (function () { core["ɵsetClassMetadata"](NzCascaderComponent, [{
            type: core.Component,
            args: [{
                    changeDetection: core.ChangeDetectionStrategy.OnPush,
                    encapsulation: core.ViewEncapsulation.None,
                    selector: 'nz-cascader, [nz-cascader]',
                    exportAs: 'nzCascader',
                    preserveWhitespaces: false,
                    template: "\n    <div cdkOverlayOrigin #origin=\"cdkOverlayOrigin\" #trigger>\n      <div *ngIf=\"nzShowInput\">\n        <input\n          #input\n          nz-input\n          class=\"ant-cascader-input\"\n          [class.ant-cascader-input-disabled]=\"nzDisabled\"\n          [class.ant-cascader-input-lg]=\"nzSize === 'large'\"\n          [class.ant-cascader-input-sm]=\"nzSize === 'small'\"\n          [attr.autoComplete]=\"'off'\"\n          [attr.placeholder]=\"showPlaceholder ? nzPlaceHolder || locale?.placeholder : null\"\n          [attr.autofocus]=\"nzAutoFocus ? 'autofocus' : null\"\n          [readonly]=\"!nzShowSearch\"\n          [disabled]=\"nzDisabled\"\n          [nzSize]=\"nzSize\"\n          [(ngModel)]=\"inputValue\"\n          (blur)=\"handleInputBlur()\"\n          (focus)=\"handleInputFocus()\"\n          (change)=\"$event.stopPropagation()\"\n        />\n        <i\n          *ngIf=\"clearIconVisible\"\n          nz-icon\n          nzType=\"close-circle\"\n          nzTheme=\"fill\"\n          class=\"ant-cascader-picker-clear\"\n          (click)=\"clearSelection($event)\"\n        ></i>\n        <i\n          *ngIf=\"nzShowArrow && !isLoading\"\n          nz-icon\n          nzType=\"down\"\n          class=\"ant-cascader-picker-arrow\"\n          [class.ant-cascader-picker-arrow-expand]=\"menuVisible\"\n        >\n        </i>\n        <i *ngIf=\"isLoading\" nz-icon nzType=\"loading\" class=\"ant-cascader-picker-arrow\"></i>\n        <span\n          class=\"ant-cascader-picker-label\"\n          [class.ant-cascader-show-search]=\"!!nzShowSearch\"\n          [class.ant-focusd]=\"!!nzShowSearch && isFocused && !inputValue\"\n        >\n          <ng-container *ngIf=\"!isLabelRenderTemplate; else labelTemplate\">{{ labelRenderText }}</ng-container>\n          <ng-template #labelTemplate>\n            <ng-template [ngTemplateOutlet]=\"nzLabelRender\" [ngTemplateOutletContext]=\"labelRenderContext\"></ng-template>\n          </ng-template>\n        </span>\n      </div>\n      <ng-content></ng-content>\n    </div>\n    <ng-template\n      cdkConnectedOverlay\n      nzConnectedOverlay\n      cdkConnectedOverlayHasBackdrop\n      [cdkConnectedOverlayOrigin]=\"origin\"\n      [cdkConnectedOverlayPositions]=\"positions\"\n      (backdropClick)=\"closeMenu()\"\n      (detach)=\"closeMenu()\"\n      (positionChange)=\"onPositionChange($event)\"\n      [cdkConnectedOverlayOpen]=\"menuVisible\"\n    >\n      <div\n        #menu\n        class=\"ant-cascader-menus\"\n        [class.ant-cascader-menus-hidden]=\"!menuVisible\"\n        [ngClass]=\"menuCls\"\n        [ngStyle]=\"nzMenuStyle\"\n        [@.disabled]=\"noAnimation?.nzNoAnimation\"\n        [nzNoAnimation]=\"noAnimation?.nzNoAnimation\"\n        [@slideMotion]=\"dropDownPosition\"\n        (mouseleave)=\"onTriggerMouseLeave($event)\"\n      >\n        <ul\n          *ngIf=\"shouldShowEmpty; else hasOptionsTemplate\"\n          class=\"ant-cascader-menu\"\n          [style.width]=\"dropdownWidthStyle\"\n          [style.height]=\"dropdownHeightStyle\"\n        >\n          <li class=\"ant-cascader-menu-item ant-cascader-menu-item-expanded ant-cascader-menu-item-disabled\">\n            <nz-embed-empty [nzComponentName]=\"'cascader'\" [specificContent]=\"nzNotFoundContent\"></nz-embed-empty>\n          </li>\n        </ul>\n        <ng-template #hasOptionsTemplate>\n          <ul\n            *ngFor=\"let options of cascaderService.columns; let i = index\"\n            class=\"ant-cascader-menu\"\n            [ngClass]=\"menuColumnCls\"\n            [style.height]=\"dropdownHeightStyle\"\n            [style.width]=\"dropdownWidthStyle\"\n          >\n            <li\n              nz-cascader-option\n              *ngFor=\"let option of options\"\n              [columnIndex]=\"i\"\n              [nzLabelProperty]=\"nzLabelProperty\"\n              [optionTemplate]=\"nzOptionRender\"\n              [activated]=\"isOptionActivated(option, i)\"\n              [highlightText]=\"inSearchingMode ? inputValue : ''\"\n              [option]=\"option\"\n              (mouseenter)=\"onOptionMouseEnter(option, i, $event)\"\n              (mouseleave)=\"onOptionMouseLeave(option, i, $event)\"\n              (click)=\"onOptionClick(option, i, $event)\"\n            ></li>\n          </ul>\n        </ng-template>\n      </div>\n    </ng-template>\n  ",
                    animations: [core$1.slideMotion],
                    providers: [
                        {
                            provide: forms.NG_VALUE_ACCESSOR,
                            useExisting: core.forwardRef((function () { return NzCascaderComponent; })),
                            multi: true
                        },
                        NzCascaderService
                    ],
                    host: {
                        '[attr.tabIndex]': '"0"',
                        '[class.ant-cascader-lg]': 'nzSize === "large"',
                        '[class.ant-cascader-sm]': 'nzSize === "small"',
                        '[class.ant-cascader-picker-disabled]': 'nzDisabled',
                        '[class.ant-cascader-picker-open]': 'menuVisible',
                        '[class.ant-cascader-picker-with-value]': '!!inputValue',
                        '[class.ant-cascader-focused]': 'isFocused'
                    }
                }]
        }], function () { return [{ type: NzCascaderService }, { type: i18n.NzI18nService }, { type: core$1.NzConfigService }, { type: core.ChangeDetectorRef }, { type: core.ElementRef }, { type: core.Renderer2 }, { type: core$1.NzNoAnimationDirective, decorators: [{
                    type: core.Host
                }, {
                    type: core.Optional
                }] }]; }, { input: [{
                type: core.ViewChild,
                args: ['input', { static: false }]
            }], menu: [{
                type: core.ViewChild,
                args: ['menu', { static: false }]
            }], overlay: [{
                type: core.ViewChild,
                args: [overlay.CdkConnectedOverlay, { static: false }]
            }], cascaderItems: [{
                type: core.ViewChildren,
                args: [NzCascaderOptionComponent]
            }], nzOptionRender: [{
                type: core.Input
            }], nzShowInput: [{
                type: core.Input
            }], nzShowArrow: [{
                type: core.Input
            }], nzAllowClear: [{
                type: core.Input
            }], nzAutoFocus: [{
                type: core.Input
            }], nzChangeOnSelect: [{
                type: core.Input
            }], nzDisabled: [{
                type: core.Input
            }], nzColumnClassName: [{
                type: core.Input
            }], nzExpandTrigger: [{
                type: core.Input
            }], nzValueProperty: [{
                type: core.Input
            }], nzLabelRender: [{
                type: core.Input
            }], nzLabelProperty: [{
                type: core.Input
            }], nzNotFoundContent: [{
                type: core.Input
            }], nzSize: [{
                type: core.Input
            }], nzShowSearch: [{
                type: core.Input
            }], nzPlaceHolder: [{
                type: core.Input
            }], nzMenuClassName: [{
                type: core.Input
            }], nzMenuStyle: [{
                type: core.Input
            }], nzMouseEnterDelay: [{
                type: core.Input
            }], nzMouseLeaveDelay: [{
                type: core.Input
            }], nzTriggerAction: [{
                type: core.Input
            }], nzChangeOn: [{
                type: core.Input
            }], nzLoadData: [{
                type: core.Input
            }], nzOptions: [{
                type: core.Input
            }], nzVisibleChange: [{
                type: core.Output
            }], nzSelectionChange: [{
                type: core.Output
            }], nzSelect: [{
                type: core.Output
            }], nzClear: [{
                type: core.Output
            }], onKeyDown: [{
                type: core.HostListener,
                args: ['keydown', ['$event']]
            }], onTriggerClick: [{
                type: core.HostListener,
                args: ['click']
            }], onTriggerMouseEnter: [{
                type: core.HostListener,
                args: ['mouseenter']
            }], onTriggerMouseLeave: [{
                type: core.HostListener,
                args: ['mouseleave', ['$event']]
            }] }); })();

    /**
     * @license
     * Copyright Alibaba.com All Rights Reserved.
     *
     * 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
     */
    var NzCascaderModule = /** @class */ (function () {
        function NzCascaderModule() {
        }
        /** @nocollapse */ NzCascaderModule.ɵmod = core["ɵɵdefineNgModule"]({ type: NzCascaderModule });
        /** @nocollapse */ NzCascaderModule.ɵinj = core["ɵɵdefineInjector"]({ factory: function NzCascaderModule_Factory(t) { return new (t || NzCascaderModule)(); }, imports: [[
                    common.CommonModule,
                    forms.FormsModule,
                    overlay.OverlayModule,
                    core$1.NzOutletModule,
                    empty.NzEmptyModule,
                    core$1.NzHighlightModule,
                    icon.NzIconModule,
                    input.NzInputModule,
                    core$1.NzNoAnimationModule,
                    core$1.NzOverlayModule
                ]] });
        return NzCascaderModule;
    }());
    (function () { (typeof ngJitMode === "undefined" || ngJitMode) && core["ɵɵsetNgModuleScope"](NzCascaderModule, { declarations: [NzCascaderComponent, NzCascaderOptionComponent], imports: [common.CommonModule,
            forms.FormsModule,
            overlay.OverlayModule,
            core$1.NzOutletModule,
            empty.NzEmptyModule,
            core$1.NzHighlightModule,
            icon.NzIconModule,
            input.NzInputModule,
            core$1.NzNoAnimationModule,
            core$1.NzOverlayModule], exports: [NzCascaderComponent] }); })();
    /*@__PURE__*/ (function () { core["ɵsetClassMetadata"](NzCascaderModule, [{
            type: core.NgModule,
            args: [{
                    imports: [
                        common.CommonModule,
                        forms.FormsModule,
                        overlay.OverlayModule,
                        core$1.NzOutletModule,
                        empty.NzEmptyModule,
                        core$1.NzHighlightModule,
                        icon.NzIconModule,
                        input.NzInputModule,
                        core$1.NzNoAnimationModule,
                        core$1.NzOverlayModule
                    ],
                    declarations: [NzCascaderComponent, NzCascaderOptionComponent],
                    exports: [NzCascaderComponent]
                }]
        }], null, null); })();

    exports.NzCascaderComponent = NzCascaderComponent;
    exports.NzCascaderModule = NzCascaderModule;
    exports.NzCascaderOptionComponent = NzCascaderOptionComponent;
    exports.NzCascaderService = NzCascaderService;
    exports.isChildOption = isChildOption;
    exports.isParentOption = isParentOption;
    exports.isShowSearchObject = isShowSearchObject;

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

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