source: trip-planner-front/node_modules/@angular/cdk/fesm2015/table.js@ 6a3a178

import { Directionality } from '@angular/cdk/bidi';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { _VIEW_REPEATER_STRATEGY, _RecycleViewRepeaterStrategy, isDataSource, _DisposeViewRepeaterStrategy } from '@angular/cdk/collections';
export { DataSource } from '@angular/cdk/collections';
import { Platform } from '@angular/cdk/platform';
import { ViewportRuler, ScrollingModule } from '@angular/cdk/scrolling';
import { DOCUMENT } from '@angular/common';
import { InjectionToken, Directive, TemplateRef, Inject, Optional, Input, ContentChild, ElementRef, Injectable, NgZone, IterableDiffers, ViewContainerRef, Component, ChangeDetectionStrategy, ViewEncapsulation, EmbeddedViewRef, EventEmitter, ChangeDetectorRef, Attribute, SkipSelf, Output, ViewChild, ContentChildren, NgModule } from '@angular/core';
import { Subject, from, BehaviorSubject, isObservable, of } from 'rxjs';
import { takeUntil, take } from 'rxjs/operators';

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */
/**
 * Mixin to provide a directive with a function that checks if the sticky input has been
 * changed since the last time the function was called. Essentially adds a dirty-check to the
 * sticky value.
 * @docs-private
 */
function mixinHasStickyInput(base) {
    return class extends base {
        constructor(...args) {
            super(...args);
            this._sticky = false;
            /** Whether the sticky input has changed since it was last checked. */
            this._hasStickyChanged = false;
        }
        /** Whether sticky positioning should be applied. */
        get sticky() { return this._sticky; }
        set sticky(v) {
            const prevValue = this._sticky;
            this._sticky = coerceBooleanProperty(v);
            this._hasStickyChanged = prevValue !== this._sticky;
        }
        /** Whether the sticky value has changed since this was last called. */
        hasStickyChanged() {
            const hasStickyChanged = this._hasStickyChanged;
            this._hasStickyChanged = false;
            return hasStickyChanged;
        }
        /** Resets the dirty check for cases where the sticky state has been used without checking. */
        resetStickyChanged() {
            this._hasStickyChanged = false;
        }
    };
}

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */
/**
 * Used to provide a table to some of the sub-components without causing a circular dependency.
 * @docs-private
 */
const CDK_TABLE = new InjectionToken('CDK_TABLE');
/** Injection token that can be used to specify the text column options. */
const TEXT_COLUMN_OPTIONS = new InjectionToken('text-column-options');

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */
/**
 * Cell definition for a CDK table.
 * Captures the template of a column's data row cell as well as cell-specific properties.
 */
class CdkCellDef {
    constructor(/** @docs-private */ template) {
        this.template = template;
    }
}
CdkCellDef.decorators = [
    { type: Directive, args: [{ selector: '[cdkCellDef]' },] }
];
CdkCellDef.ctorParameters = () => [
    { type: TemplateRef }
];
/**
 * Header cell definition for a CDK table.
 * Captures the template of a column's header cell and as well as cell-specific properties.
 */
class CdkHeaderCellDef {
    constructor(/** @docs-private */ template) {
        this.template = template;
    }
}
CdkHeaderCellDef.decorators = [
    { type: Directive, args: [{ selector: '[cdkHeaderCellDef]' },] }
];
CdkHeaderCellDef.ctorParameters = () => [
    { type: TemplateRef }
];
/**
 * Footer cell definition for a CDK table.
 * Captures the template of a column's footer cell and as well as cell-specific properties.
 */
class CdkFooterCellDef {
    constructor(/** @docs-private */ template) {
        this.template = template;
    }
}
CdkFooterCellDef.decorators = [
    { type: Directive, args: [{ selector: '[cdkFooterCellDef]' },] }
];
CdkFooterCellDef.ctorParameters = () => [
    { type: TemplateRef }
];
// Boilerplate for applying mixins to CdkColumnDef.
/** @docs-private */
class CdkColumnDefBase {
}
const _CdkColumnDefBase = mixinHasStickyInput(CdkColumnDefBase);
/**
 * Column definition for the CDK table.
 * Defines a set of cells available for a table column.
 */
class CdkColumnDef extends _CdkColumnDefBase {
    constructor(_table) {
        super();
        this._table = _table;
        this._stickyEnd = false;
    }
    /** Unique name for this column. */
    get name() { return this._name; }
    set name(name) { this._setNameInput(name); }
    /**
     * Whether this column should be sticky positioned on the end of the row. Should make sure
     * that it mimics the `CanStick` mixin such that `_hasStickyChanged` is set to true if the value
     * has been changed.
     */
    get stickyEnd() {
        return this._stickyEnd;
    }
    set stickyEnd(v) {
        const prevValue = this._stickyEnd;
        this._stickyEnd = coerceBooleanProperty(v);
        this._hasStickyChanged = prevValue !== this._stickyEnd;
    }
    /**
     * Overridable method that sets the css classes that will be added to every cell in this
     * column.
     * In the future, columnCssClassName will change from type string[] to string and this
     * will set a single string value.
     * @docs-private
     */
    _updateColumnCssClassName() {
        this._columnCssClassName = [`cdk-column-${this.cssClassFriendlyName}`];
    }
    /**
     * This has been extracted to a util because of TS 4 and VE.
     * View Engine doesn't support property rename inheritance.
     * TS 4.0 doesn't allow properties to override accessors or vice-versa.
     * @docs-private
     */
    _setNameInput(value) {
        // If the directive is set without a name (updated programmatically), then this setter will
        // trigger with an empty string and should not overwrite the programmatically set value.
        if (value) {
            this._name = value;
            this.cssClassFriendlyName = value.replace(/[^a-z0-9_-]/ig, '-');
            this._updateColumnCssClassName();
        }
    }
}
CdkColumnDef.decorators = [
    { type: Directive, args: [{
                selector: '[cdkColumnDef]',
                inputs: ['sticky'],
                providers: [{ provide: 'MAT_SORT_HEADER_COLUMN_DEF', useExisting: CdkColumnDef }],
            },] }
];
CdkColumnDef.ctorParameters = () => [
    { type: undefined, decorators: [{ type: Inject, args: [CDK_TABLE,] }, { type: Optional }] }
];
CdkColumnDef.propDecorators = {
    name: [{ type: Input, args: ['cdkColumnDef',] }],
    stickyEnd: [{ type: Input, args: ['stickyEnd',] }],
    cell: [{ type: ContentChild, args: [CdkCellDef,] }],
    headerCell: [{ type: ContentChild, args: [CdkHeaderCellDef,] }],
    footerCell: [{ type: ContentChild, args: [CdkFooterCellDef,] }]
};
/** Base class for the cells. Adds a CSS classname that identifies the column it renders in. */
class BaseCdkCell {
    constructor(columnDef, elementRef) {
        // If IE 11 is dropped before we switch to setting a single class name, change to multi param
        // with destructuring.
        const classList = elementRef.nativeElement.classList;
        for (const className of columnDef._columnCssClassName) {
            classList.add(className);
        }
    }
}
/** Header cell template container that adds the right classes and role. */
class CdkHeaderCell extends BaseCdkCell {
    constructor(columnDef, elementRef) {
        super(columnDef, elementRef);
    }
}
CdkHeaderCell.decorators = [
    { type: Directive, args: [{
                selector: 'cdk-header-cell, th[cdk-header-cell]',
                host: {
                    'class': 'cdk-header-cell',
                    'role': 'columnheader',
                },
            },] }
];
CdkHeaderCell.ctorParameters = () => [
    { type: CdkColumnDef },
    { type: ElementRef }
];
/** Footer cell template container that adds the right classes and role. */
class CdkFooterCell extends BaseCdkCell {
    constructor(columnDef, elementRef) {
        var _a;
        super(columnDef, elementRef);
        if (((_a = columnDef._table) === null || _a === void 0 ? void 0 : _a._elementRef.nativeElement.nodeType) === 1) {
            const tableRole = columnDef._table._elementRef.nativeElement
                .getAttribute('role');
            const role = (tableRole === 'grid' || tableRole === 'treegrid') ? 'gridcell' : 'cell';
            elementRef.nativeElement.setAttribute('role', role);
        }
    }
}
CdkFooterCell.decorators = [
    { type: Directive, args: [{
                selector: 'cdk-footer-cell, td[cdk-footer-cell]',
                host: {
                    'class': 'cdk-footer-cell',
                },
            },] }
];
CdkFooterCell.ctorParameters = () => [
    { type: CdkColumnDef },
    { type: ElementRef }
];
/** Cell template container that adds the right classes and role. */
class CdkCell extends BaseCdkCell {
    constructor(columnDef, elementRef) {
        var _a;
        super(columnDef, elementRef);
        if (((_a = columnDef._table) === null || _a === void 0 ? void 0 : _a._elementRef.nativeElement.nodeType) === 1) {
            const tableRole = columnDef._table._elementRef.nativeElement
                .getAttribute('role');
            const role = (tableRole === 'grid' || tableRole === 'treegrid') ? 'gridcell' : 'cell';
            elementRef.nativeElement.setAttribute('role', role);
        }
    }
}
CdkCell.decorators = [
    { type: Directive, args: [{
                selector: 'cdk-cell, td[cdk-cell]',
                host: {
                    'class': 'cdk-cell',
                },
            },] }
];
CdkCell.ctorParameters = () => [
    { type: CdkColumnDef },
    { type: ElementRef }
];

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */
/**
 * @docs-private
 */
class _Schedule {
    constructor() {
        this.tasks = [];
        this.endTasks = [];
    }
}
/** Injection token used to provide a coalesced style scheduler. */
const _COALESCED_STYLE_SCHEDULER = new InjectionToken('_COALESCED_STYLE_SCHEDULER');
/**
 * Allows grouping up CSSDom mutations after the current execution context.
 * This can significantly improve performance when separate consecutive functions are
 * reading from the CSSDom and then mutating it.
 *
 * @docs-private
 */
class _CoalescedStyleScheduler {
    constructor(_ngZone) {
        this._ngZone = _ngZone;
        this._currentSchedule = null;
        this._destroyed = new Subject();
    }
    /**
     * Schedules the specified task to run at the end of the current VM turn.
     */
    schedule(task) {
        this._createScheduleIfNeeded();
        this._currentSchedule.tasks.push(task);
    }
    /**
     * Schedules the specified task to run after other scheduled tasks at the end of the current
     * VM turn.
     */
    scheduleEnd(task) {
        this._createScheduleIfNeeded();
        this._currentSchedule.endTasks.push(task);
    }
    /** Prevent any further tasks from running. */
    ngOnDestroy() {
        this._destroyed.next();
        this._destroyed.complete();
    }
    _createScheduleIfNeeded() {
        if (this._currentSchedule) {
            return;
        }
        this._currentSchedule = new _Schedule();
        this._getScheduleObservable().pipe(takeUntil(this._destroyed)).subscribe(() => {
            while (this._currentSchedule.tasks.length || this._currentSchedule.endTasks.length) {
                const schedule = this._currentSchedule;
                // Capture new tasks scheduled by the current set of tasks.
                this._currentSchedule = new _Schedule();
                for (const task of schedule.tasks) {
                    task();
                }
                for (const task of schedule.endTasks) {
                    task();
                }
            }
            this._currentSchedule = null;
        });
    }
    _getScheduleObservable() {
        // Use onStable when in the context of an ongoing change detection cycle so that we
        // do not accidentally trigger additional cycles.
        return this._ngZone.isStable ?
            from(Promise.resolve(undefined)) :
            this._ngZone.onStable.pipe(take(1));
    }
}
_CoalescedStyleScheduler.decorators = [
    { type: Injectable }
];
_CoalescedStyleScheduler.ctorParameters = () => [
    { type: NgZone }
];

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */
/**
 * The row template that can be used by the mat-table. Should not be used outside of the
 * material library.
 */
const CDK_ROW_TEMPLATE = `<ng-container cdkCellOutlet></ng-container>`;
/**
 * Base class for the CdkHeaderRowDef and CdkRowDef that handles checking their columns inputs
 * for changes and notifying the table.
 */
class BaseRowDef {
    constructor(
    /** @docs-private */ template, _differs) {
        this.template = template;
        this._differs = _differs;
    }
    ngOnChanges(changes) {
        // Create a new columns differ if one does not yet exist. Initialize it based on initial value
        // of the columns property or an empty array if none is provided.
        if (!this._columnsDiffer) {
            const columns = (changes['columns'] && changes['columns'].currentValue) || [];
            this._columnsDiffer = this._differs.find(columns).create();
            this._columnsDiffer.diff(columns);
        }
    }
    /**
     * Returns the difference between the current columns and the columns from the last diff, or null
     * if there is no difference.
     */
    getColumnsDiff() {
        return this._columnsDiffer.diff(this.columns);
    }
    /** Gets this row def's relevant cell template from the provided column def. */
    extractCellTemplate(column) {
        if (this instanceof CdkHeaderRowDef) {
            return column.headerCell.template;
        }
        if (this instanceof CdkFooterRowDef) {
            return column.footerCell.template;
        }
        else {
            return column.cell.template;
        }
    }
}
BaseRowDef.decorators = [
    { type: Directive }
];
BaseRowDef.ctorParameters = () => [
    { type: TemplateRef },
    { type: IterableDiffers }
];
// Boilerplate for applying mixins to CdkHeaderRowDef.
/** @docs-private */
class CdkHeaderRowDefBase extends BaseRowDef {
}
const _CdkHeaderRowDefBase = mixinHasStickyInput(CdkHeaderRowDefBase);
/**
 * Header row definition for the CDK table.
 * Captures the header row's template and other header properties such as the columns to display.
 */
class CdkHeaderRowDef extends _CdkHeaderRowDefBase {
    constructor(template, _differs, _table) {
        super(template, _differs);
        this._table = _table;
    }
    // Prerender fails to recognize that ngOnChanges in a part of this class through inheritance.
    // Explicitly define it so that the method is called as part of the Angular lifecycle.
    ngOnChanges(changes) {
        super.ngOnChanges(changes);
    }
}
CdkHeaderRowDef.decorators = [
    { type: Directive, args: [{
                selector: '[cdkHeaderRowDef]',
                inputs: ['columns: cdkHeaderRowDef', 'sticky: cdkHeaderRowDefSticky'],
            },] }
];
CdkHeaderRowDef.ctorParameters = () => [
    { type: TemplateRef },
    { type: IterableDiffers },
    { type: undefined, decorators: [{ type: Inject, args: [CDK_TABLE,] }, { type: Optional }] }
];
// Boilerplate for applying mixins to CdkFooterRowDef.
/** @docs-private */
class CdkFooterRowDefBase extends BaseRowDef {
}
const _CdkFooterRowDefBase = mixinHasStickyInput(CdkFooterRowDefBase);
/**
 * Footer row definition for the CDK table.
 * Captures the footer row's template and other footer properties such as the columns to display.
 */
class CdkFooterRowDef extends _CdkFooterRowDefBase {
    constructor(template, _differs, _table) {
        super(template, _differs);
        this._table = _table;
    }
    // Prerender fails to recognize that ngOnChanges in a part of this class through inheritance.
    // Explicitly define it so that the method is called as part of the Angular lifecycle.
    ngOnChanges(changes) {
        super.ngOnChanges(changes);
    }
}
CdkFooterRowDef.decorators = [
    { type: Directive, args: [{
                selector: '[cdkFooterRowDef]',
                inputs: ['columns: cdkFooterRowDef', 'sticky: cdkFooterRowDefSticky'],
            },] }
];
CdkFooterRowDef.ctorParameters = () => [
    { type: TemplateRef },
    { type: IterableDiffers },
    { type: undefined, decorators: [{ type: Inject, args: [CDK_TABLE,] }, { type: Optional }] }
];
/**
 * Data row definition for the CDK table.
 * Captures the header row's template and other row properties such as the columns to display and
 * a when predicate that describes when this row should be used.
 */
class CdkRowDef extends BaseRowDef {
    // TODO(andrewseguin): Add an input for providing a switch function to determine
    //   if this template should be used.
    constructor(template, _differs, _table) {
        super(template, _differs);
        this._table = _table;
    }
}
CdkRowDef.decorators = [
    { type: Directive, args: [{
                selector: '[cdkRowDef]',
                inputs: ['columns: cdkRowDefColumns', 'when: cdkRowDefWhen'],
            },] }
];
CdkRowDef.ctorParameters = () => [
    { type: TemplateRef },
    { type: IterableDiffers },
    { type: undefined, decorators: [{ type: Inject, args: [CDK_TABLE,] }, { type: Optional }] }
];
/**
 * Outlet for rendering cells inside of a row or header row.
 * @docs-private
 */
class CdkCellOutlet {
    constructor(_viewContainer) {
        this._viewContainer = _viewContainer;
        CdkCellOutlet.mostRecentCellOutlet = this;
    }
    ngOnDestroy() {
        // If this was the last outlet being rendered in the view, remove the reference
        // from the static property after it has been destroyed to avoid leaking memory.
        if (CdkCellOutlet.mostRecentCellOutlet === this) {
            CdkCellOutlet.mostRecentCellOutlet = null;
        }
    }
}
/**
 * Static property containing the latest constructed instance of this class.
 * Used by the CDK table when each CdkHeaderRow and CdkRow component is created using
 * createEmbeddedView. After one of these components are created, this property will provide
 * a handle to provide that component's cells and context. After init, the CdkCellOutlet will
 * construct the cells with the provided context.
 */
CdkCellOutlet.mostRecentCellOutlet = null;
CdkCellOutlet.decorators = [
    { type: Directive, args: [{ selector: '[cdkCellOutlet]' },] }
];
CdkCellOutlet.ctorParameters = () => [
    { type: ViewContainerRef }
];
/** Header template container that contains the cell outlet. Adds the right class and role. */
class CdkHeaderRow {
}
CdkHeaderRow.decorators = [
    { type: Component, args: [{
                selector: 'cdk-header-row, tr[cdk-header-row]',
                template: CDK_ROW_TEMPLATE,
                host: {
                    'class': 'cdk-header-row',
                    'role': 'row',
                },
                // See note on CdkTable for explanation on why this uses the default change detection strategy.
                // tslint:disable-next-line:validate-decorators
                changeDetection: ChangeDetectionStrategy.Default,
                encapsulation: ViewEncapsulation.None
            },] }
];
/** Footer template container that contains the cell outlet. Adds the right class and role. */
class CdkFooterRow {
}
CdkFooterRow.decorators = [
    { type: Component, args: [{
                selector: 'cdk-footer-row, tr[cdk-footer-row]',
                template: CDK_ROW_TEMPLATE,
                host: {
                    'class': 'cdk-footer-row',
                    'role': 'row',
                },
                // See note on CdkTable for explanation on why this uses the default change detection strategy.
                // tslint:disable-next-line:validate-decorators
                changeDetection: ChangeDetectionStrategy.Default,
                encapsulation: ViewEncapsulation.None
            },] }
];
/** Data row template container that contains the cell outlet. Adds the right class and role. */
class CdkRow {
}
CdkRow.decorators = [
    { type: Component, args: [{
                selector: 'cdk-row, tr[cdk-row]',
                template: CDK_ROW_TEMPLATE,
                host: {
                    'class': 'cdk-row',
                    'role': 'row',
                },
                // See note on CdkTable for explanation on why this uses the default change detection strategy.
                // tslint:disable-next-line:validate-decorators
                changeDetection: ChangeDetectionStrategy.Default,
                encapsulation: ViewEncapsulation.None
            },] }
];
/** Row that can be used to display a message when no data is shown in the table. */
class CdkNoDataRow {
    constructor(templateRef) {
        this.templateRef = templateRef;
    }
}
CdkNoDataRow.decorators = [
    { type: Directive, args: [{
                selector: 'ng-template[cdkNoDataRow]'
            },] }
];
CdkNoDataRow.ctorParameters = () => [
    { type: TemplateRef }
];

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */
/**
 * List of all possible directions that can be used for sticky positioning.
 * @docs-private
 */
const STICKY_DIRECTIONS = ['top', 'bottom', 'left', 'right'];
/**
 * Applies and removes sticky positioning styles to the `CdkTable` rows and columns cells.
 * @docs-private
 */
class StickyStyler {
    /**
     * @param _isNativeHtmlTable Whether the sticky logic should be based on a table
     *     that uses the native `<table>` element.
     * @param _stickCellCss The CSS class that will be applied to every row/cell that has
     *     sticky positioning applied.
     * @param direction The directionality context of the table (ltr/rtl); affects column positioning
     *     by reversing left/right positions.
     * @param _isBrowser Whether the table is currently being rendered on the server or the client.
     * @param _needsPositionStickyOnElement Whether we need to specify position: sticky on cells
     *     using inline styles. If false, it is assumed that position: sticky is included in
     *     the component stylesheet for _stickCellCss.
     * @param _positionListener A listener that is notified of changes to sticky rows/columns
     *     and their dimensions.
     */
    constructor(_isNativeHtmlTable, _stickCellCss, direction, _coalescedStyleScheduler, _isBrowser = true, _needsPositionStickyOnElement = true, _positionListener) {
        this._isNativeHtmlTable = _isNativeHtmlTable;
        this._stickCellCss = _stickCellCss;
        this.direction = direction;
        this._coalescedStyleScheduler = _coalescedStyleScheduler;
        this._isBrowser = _isBrowser;
        this._needsPositionStickyOnElement = _needsPositionStickyOnElement;
        this._positionListener = _positionListener;
        this._cachedCellWidths = [];
        this._borderCellCss = {
            'top': `${_stickCellCss}-border-elem-top`,
            'bottom': `${_stickCellCss}-border-elem-bottom`,
            'left': `${_stickCellCss}-border-elem-left`,
            'right': `${_stickCellCss}-border-elem-right`,
        };
    }
    /**
     * Clears the sticky positioning styles from the row and its cells by resetting the `position`
     * style, setting the zIndex to 0, and unsetting each provided sticky direction.
     * @param rows The list of rows that should be cleared from sticking in the provided directions
     * @param stickyDirections The directions that should no longer be set as sticky on the rows.
     */
    clearStickyPositioning(rows, stickyDirections) {
        const elementsToClear = [];
        for (const row of rows) {
            // If the row isn't an element (e.g. if it's an `ng-container`),
            // it won't have inline styles or `children` so we skip it.
            if (row.nodeType !== row.ELEMENT_NODE) {
                continue;
            }
            elementsToClear.push(row);
            for (let i = 0; i < row.children.length; i++) {
                elementsToClear.push(row.children[i]);
            }
        }
        // Coalesce with sticky row/column updates (and potentially other changes like column resize).
        this._coalescedStyleScheduler.schedule(() => {
            for (const element of elementsToClear) {
                this._removeStickyStyle(element, stickyDirections);
            }
        });
    }
    /**
     * Applies sticky left and right positions to the cells of each row according to the sticky
     * states of the rendered column definitions.
     * @param rows The rows that should have its set of cells stuck according to the sticky states.
     * @param stickyStartStates A list of boolean states where each state represents whether the cell
     *     in this index position should be stuck to the start of the row.
     * @param stickyEndStates A list of boolean states where each state represents whether the cell
     *     in this index position should be stuck to the end of the row.
     * @param recalculateCellWidths Whether the sticky styler should recalculate the width of each
     *     column cell. If `false` cached widths will be used instead.
     */
    updateStickyColumns(rows, stickyStartStates, stickyEndStates, recalculateCellWidths = true) {
        if (!rows.length || !this._isBrowser || !(stickyStartStates.some(state => state) ||
            stickyEndStates.some(state => state))) {
            if (this._positionListener) {
                this._positionListener.stickyColumnsUpdated({ sizes: [] });
                this._positionListener.stickyEndColumnsUpdated({ sizes: [] });
            }
            return;
        }
        const firstRow = rows[0];
        const numCells = firstRow.children.length;
        const cellWidths = this._getCellWidths(firstRow, recalculateCellWidths);
        const startPositions = this._getStickyStartColumnPositions(cellWidths, stickyStartStates);
        const endPositions = this._getStickyEndColumnPositions(cellWidths, stickyEndStates);
        const lastStickyStart = stickyStartStates.lastIndexOf(true);
        const firstStickyEnd = stickyEndStates.indexOf(true);
        // Coalesce with sticky row updates (and potentially other changes like column resize).
        this._coalescedStyleScheduler.schedule(() => {
            const isRtl = this.direction === 'rtl';
            const start = isRtl ? 'right' : 'left';
            const end = isRtl ? 'left' : 'right';
            for (const row of rows) {
                for (let i = 0; i < numCells; i++) {
                    const cell = row.children[i];
                    if (stickyStartStates[i]) {
                        this._addStickyStyle(cell, start, startPositions[i], i === lastStickyStart);
                    }
                    if (stickyEndStates[i]) {
                        this._addStickyStyle(cell, end, endPositions[i], i === firstStickyEnd);
                    }
                }
            }
            if (this._positionListener) {
                this._positionListener.stickyColumnsUpdated({
                    sizes: lastStickyStart === -1 ?
                        [] :
                        cellWidths
                            .slice(0, lastStickyStart + 1)
                            .map((width, index) => stickyStartStates[index] ? width : null)
                });
                this._positionListener.stickyEndColumnsUpdated({
                    sizes: firstStickyEnd === -1 ?
                        [] :
                        cellWidths
                            .slice(firstStickyEnd)
                            .map((width, index) => stickyEndStates[index + firstStickyEnd] ? width : null)
                            .reverse()
                });
            }
        });
    }
    /**
     * Applies sticky positioning to the row's cells if using the native table layout, and to the
     * row itself otherwise.
     * @param rowsToStick The list of rows that should be stuck according to their corresponding
     *     sticky state and to the provided top or bottom position.
     * @param stickyStates A list of boolean states where each state represents whether the row
     *     should be stuck in the particular top or bottom position.
     * @param position The position direction in which the row should be stuck if that row should be
     *     sticky.
     *
     */
    stickRows(rowsToStick, stickyStates, position) {
        // Since we can't measure the rows on the server, we can't stick the rows properly.
        if (!this._isBrowser) {
            return;
        }
        // If positioning the rows to the bottom, reverse their order when evaluating the sticky
        // position such that the last row stuck will be "bottom: 0px" and so on. Note that the
        // sticky states need to be reversed as well.
        const rows = position === 'bottom' ? rowsToStick.slice().reverse() : rowsToStick;
        const states = position === 'bottom' ? stickyStates.slice().reverse() : stickyStates;
        // Measure row heights all at once before adding sticky styles to reduce layout thrashing.
        const stickyOffsets = [];
        const stickyCellHeights = [];
        const elementsToStick = [];
        for (let rowIndex = 0, stickyOffset = 0; rowIndex < rows.length; rowIndex++) {
            if (!states[rowIndex]) {
                continue;
            }
            stickyOffsets[rowIndex] = stickyOffset;
            const row = rows[rowIndex];
            elementsToStick[rowIndex] = this._isNativeHtmlTable ?
                Array.from(row.children) : [row];
            const height = row.getBoundingClientRect().height;
            stickyOffset += height;
            stickyCellHeights[rowIndex] = height;
        }
        const borderedRowIndex = states.lastIndexOf(true);
        // Coalesce with other sticky row updates (top/bottom), sticky columns updates
        // (and potentially other changes like column resize).
        this._coalescedStyleScheduler.schedule(() => {
            var _a, _b;
            for (let rowIndex = 0; rowIndex < rows.length; rowIndex++) {
                if (!states[rowIndex]) {
                    continue;
                }
                const offset = stickyOffsets[rowIndex];
                const isBorderedRowIndex = rowIndex === borderedRowIndex;
                for (const element of elementsToStick[rowIndex]) {
                    this._addStickyStyle(element, position, offset, isBorderedRowIndex);
                }
            }
            if (position === 'top') {
                (_a = this._positionListener) === null || _a === void 0 ? void 0 : _a.stickyHeaderRowsUpdated({ sizes: stickyCellHeights, offsets: stickyOffsets, elements: elementsToStick });
            }
            else {
                (_b = this._positionListener) === null || _b === void 0 ? void 0 : _b.stickyFooterRowsUpdated({ sizes: stickyCellHeights, offsets: stickyOffsets, elements: elementsToStick });
            }
        });
    }
    /**
     * When using the native table in Safari, sticky footer cells do not stick. The only way to stick
     * footer rows is to apply sticky styling to the tfoot container. This should only be done if
     * all footer rows are sticky. If not all footer rows are sticky, remove sticky positioning from
     * the tfoot element.
     */
    updateStickyFooterContainer(tableElement, stickyStates) {
        if (!this._isNativeHtmlTable) {
            return;
        }
        const tfoot = tableElement.querySelector('tfoot');
        // Coalesce with other sticky updates (and potentially other changes like column resize).
        this._coalescedStyleScheduler.schedule(() => {
            if (stickyStates.some(state => !state)) {
                this._removeStickyStyle(tfoot, ['bottom']);
            }
            else {
                this._addStickyStyle(tfoot, 'bottom', 0, false);
            }
        });
    }
    /**
     * Removes the sticky style on the element by removing the sticky cell CSS class, re-evaluating
     * the zIndex, removing each of the provided sticky directions, and removing the
     * sticky position if there are no more directions.
     */
    _removeStickyStyle(element, stickyDirections) {
        for (const dir of stickyDirections) {
            element.style[dir] = '';
            element.classList.remove(this._borderCellCss[dir]);
        }
        // If the element no longer has any more sticky directions, remove sticky positioning and
        // the sticky CSS class.
        // Short-circuit checking element.style[dir] for stickyDirections as they
        // were already removed above.
        const hasDirection = STICKY_DIRECTIONS.some(dir => stickyDirections.indexOf(dir) === -1 && element.style[dir]);
        if (hasDirection) {
            element.style.zIndex = this._getCalculatedZIndex(element);
        }
        else {
            // When not hasDirection, _getCalculatedZIndex will always return ''.
            element.style.zIndex = '';
            if (this._needsPositionStickyOnElement) {
                element.style.position = '';
            }
            element.classList.remove(this._stickCellCss);
        }
    }
    /**
     * Adds the sticky styling to the element by adding the sticky style class, changing position
     * to be sticky (and -webkit-sticky), setting the appropriate zIndex, and adding a sticky
     * direction and value.
     */
    _addStickyStyle(element, dir, dirValue, isBorderElement) {
        element.classList.add(this._stickCellCss);
        if (isBorderElement) {
            element.classList.add(this._borderCellCss[dir]);
        }
        element.style[dir] = `${dirValue}px`;
        element.style.zIndex = this._getCalculatedZIndex(element);
        if (this._needsPositionStickyOnElement) {
            element.style.cssText += 'position: -webkit-sticky; position: sticky; ';
        }
    }
    /**
     * Calculate what the z-index should be for the element, depending on what directions (top,
     * bottom, left, right) have been set. It should be true that elements with a top direction
     * should have the highest index since these are elements like a table header. If any of those
     * elements are also sticky in another direction, then they should appear above other elements
     * that are only sticky top (e.g. a sticky column on a sticky header). Bottom-sticky elements
     * (e.g. footer rows) should then be next in the ordering such that they are below the header
     * but above any non-sticky elements. Finally, left/right sticky elements (e.g. sticky columns)
     * should minimally increment so that they are above non-sticky elements but below top and bottom
     * elements.
     */
    _getCalculatedZIndex(element) {
        const zIndexIncrements = {
            top: 100,
            bottom: 10,
            left: 1,
            right: 1,
        };
        let zIndex = 0;
        // Use `Iterable` instead of `Array` because TypeScript, as of 3.6.3,
        // loses the array generic type in the `for of`. But we *also* have to use `Array` because
        // typescript won't iterate over an `Iterable` unless you compile with `--downlevelIteration`
        for (const dir of STICKY_DIRECTIONS) {
            if (element.style[dir]) {
                zIndex += zIndexIncrements[dir];
            }
        }
        return zIndex ? `${zIndex}` : '';
    }
    /** Gets the widths for each cell in the provided row. */
    _getCellWidths(row, recalculateCellWidths = true) {
        if (!recalculateCellWidths && this._cachedCellWidths.length) {
            return this._cachedCellWidths;
        }
        const cellWidths = [];
        const firstRowCells = row.children;
        for (let i = 0; i < firstRowCells.length; i++) {
            let cell = firstRowCells[i];
            cellWidths.push(cell.getBoundingClientRect().width);
        }
        this._cachedCellWidths = cellWidths;
        return cellWidths;
    }
    /**
     * Determines the left and right positions of each sticky column cell, which will be the
     * accumulation of all sticky column cell widths to the left and right, respectively.
     * Non-sticky cells do not need to have a value set since their positions will not be applied.
     */
    _getStickyStartColumnPositions(widths, stickyStates) {
        const positions = [];
        let nextPosition = 0;
        for (let i = 0; i < widths.length; i++) {
            if (stickyStates[i]) {
                positions[i] = nextPosition;
                nextPosition += widths[i];
            }
        }
        return positions;
    }
    /**
     * Determines the left and right positions of each sticky column cell, which will be the
     * accumulation of all sticky column cell widths to the left and right, respectively.
     * Non-sticky cells do not need to have a value set since their positions will not be applied.
     */
    _getStickyEndColumnPositions(widths, stickyStates) {
        const positions = [];
        let nextPosition = 0;
        for (let i = widths.length; i > 0; i--) {
            if (stickyStates[i]) {
                positions[i] = nextPosition;
                nextPosition += widths[i];
            }
        }
        return positions;
    }
}

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */
/**
 * Returns an error to be thrown when attempting to find an unexisting column.
 * @param id Id whose lookup failed.
 * @docs-private
 */
function getTableUnknownColumnError(id) {
    return Error(`Could not find column with id "${id}".`);
}
/**
 * Returns an error to be thrown when two column definitions have the same name.
 * @docs-private
 */
function getTableDuplicateColumnNameError(name) {
    return Error(`Duplicate column definition name provided: "${name}".`);
}
/**
 * Returns an error to be thrown when there are multiple rows that are missing a when function.
 * @docs-private
 */
function getTableMultipleDefaultRowDefsError() {
    return Error(`There can only be one default row without a when predicate function.`);
}
/**
 * Returns an error to be thrown when there are no matching row defs for a particular set of data.
 * @docs-private
 */
function getTableMissingMatchingRowDefError(data) {
    return Error(`Could not find a matching row definition for the` +
        `provided row data: ${JSON.stringify(data)}`);
}
/**
 * Returns an error to be thrown when there is no row definitions present in the content.
 * @docs-private
 */
function getTableMissingRowDefsError() {
    return Error('Missing definitions for header, footer, and row; ' +
        'cannot determine which columns should be rendered.');
}
/**
 * Returns an error to be thrown when the data source does not match the compatible types.
 * @docs-private
 */
function getTableUnknownDataSourceError() {
    return Error(`Provided data source did not match an array, Observable, or DataSource`);
}
/**
 * Returns an error to be thrown when the text column cannot find a parent table to inject.
 * @docs-private
 */
function getTableTextColumnMissingParentTableError() {
    return Error(`Text column could not find a parent table for registration.`);
}
/**
 * Returns an error to be thrown when a table text column doesn't have a name.
 * @docs-private
 */
function getTableTextColumnMissingNameError() {
    return Error(`Table text column must have a name.`);
}

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */
/** The injection token used to specify the StickyPositioningListener. */
const STICKY_POSITIONING_LISTENER = new InjectionToken('CDK_SPL');

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */
/**
 * Enables the recycle view repeater strategy, which reduces rendering latency. Not compatible with
 * tables that animate rows.
 */
class CdkRecycleRows {
}
CdkRecycleRows.decorators = [
    { type: Directive, args: [{
                selector: 'cdk-table[recycleRows], table[cdk-table][recycleRows]',
                providers: [
                    { provide: _VIEW_REPEATER_STRATEGY, useClass: _RecycleViewRepeaterStrategy },
                ],
            },] }
];
/**
 * Provides a handle for the table to grab the view container's ng-container to insert data rows.
 * @docs-private
 */
class DataRowOutlet {
    constructor(viewContainer, elementRef) {
        this.viewContainer = viewContainer;
        this.elementRef = elementRef;
    }
}
DataRowOutlet.decorators = [
    { type: Directive, args: [{ selector: '[rowOutlet]' },] }
];
DataRowOutlet.ctorParameters = () => [
    { type: ViewContainerRef },
    { type: ElementRef }
];
/**
 * Provides a handle for the table to grab the view container's ng-container to insert the header.
 * @docs-private
 */
class HeaderRowOutlet {
    constructor(viewContainer, elementRef) {
        this.viewContainer = viewContainer;
        this.elementRef = elementRef;
    }
}
HeaderRowOutlet.decorators = [
    { type: Directive, args: [{ selector: '[headerRowOutlet]' },] }
];
HeaderRowOutlet.ctorParameters = () => [
    { type: ViewContainerRef },
    { type: ElementRef }
];
/**
 * Provides a handle for the table to grab the view container's ng-container to insert the footer.
 * @docs-private
 */
class FooterRowOutlet {
    constructor(viewContainer, elementRef) {
        this.viewContainer = viewContainer;
        this.elementRef = elementRef;
    }
}
FooterRowOutlet.decorators = [
    { type: Directive, args: [{ selector: '[footerRowOutlet]' },] }
];
FooterRowOutlet.ctorParameters = () => [
    { type: ViewContainerRef },
    { type: ElementRef }
];
/**
 * Provides a handle for the table to grab the view
 * container's ng-container to insert the no data row.
 * @docs-private
 */
class NoDataRowOutlet {
    constructor(viewContainer, elementRef) {
        this.viewContainer = viewContainer;
        this.elementRef = elementRef;
    }
}
NoDataRowOutlet.decorators = [
    { type: Directive, args: [{ selector: '[noDataRowOutlet]' },] }
];
NoDataRowOutlet.ctorParameters = () => [
    { type: ViewContainerRef },
    { type: ElementRef }
];
/**
 * The table template that can be used by the mat-table. Should not be used outside of the
 * material library.
 * @docs-private
 */
const CDK_TABLE_TEMPLATE = 
// Note that according to MDN, the `caption` element has to be projected as the **first**
// element in the table. See https://developer.mozilla.org/en-US/docs/Web/HTML/Element/caption
`
  <ng-content select="caption"></ng-content>
  <ng-content select="colgroup, col"></ng-content>
  <ng-container headerRowOutlet></ng-container>
  <ng-container rowOutlet></ng-container>
  <ng-container noDataRowOutlet></ng-container>
  <ng-container footerRowOutlet></ng-container>
`;
/**
 * Class used to conveniently type the embedded view ref for rows with a context.
 * @docs-private
 */
class RowViewRef extends EmbeddedViewRef {
}
/**
 * A data table that can render a header row, data rows, and a footer row.
 * Uses the dataSource input to determine the data to be rendered. The data can be provided either
 * as a data array, an Observable stream that emits the data array to render, or a DataSource with a
 * connect function that will return an Observable stream that emits the data array to render.
 */
class CdkTable {
    constructor(_differs, _changeDetectorRef, _elementRef, role, _dir, _document, _platform, _viewRepeater, _coalescedStyleScheduler, _viewportRuler, 
    /**
     * @deprecated `_stickyPositioningListener` parameter to become required.
     * @breaking-change 13.0.0
     */
    _stickyPositioningListener) {
        this._differs = _differs;
        this._changeDetectorRef = _changeDetectorRef;
        this._elementRef = _elementRef;
        this._dir = _dir;
        this._platform = _platform;
        this._viewRepeater = _viewRepeater;
        this._coalescedStyleScheduler = _coalescedStyleScheduler;
        this._viewportRuler = _viewportRuler;
        this._stickyPositioningListener = _stickyPositioningListener;
        /** Subject that emits when the component has been destroyed. */
        this._onDestroy = new Subject();
        /**
         * Map of all the user's defined columns (header, data, and footer cell template) identified by
         * name. Collection populated by the column definitions gathered by `ContentChildren` as well as
         * any custom column definitions added to `_customColumnDefs`.
         */
        this._columnDefsByName = new Map();
        /**
         * Column definitions that were defined outside of the direct content children of the table.
         * These will be defined when, e.g., creating a wrapper around the cdkTable that has
         * column definitions as *its* content child.
         */
        this._customColumnDefs = new Set();
        /**
         * Data row definitions that were defined outside of the direct content children of the table.
         * These will be defined when, e.g., creating a wrapper around the cdkTable that has
         * built-in data rows as *its* content child.
         */
        this._customRowDefs = new Set();
        /**
         * Header row definitions that were defined outside of the direct content children of the table.
         * These will be defined when, e.g., creating a wrapper around the cdkTable that has
         * built-in header rows as *its* content child.
         */
        this._customHeaderRowDefs = new Set();
        /**
         * Footer row definitions that were defined outside of the direct content children of the table.
         * These will be defined when, e.g., creating a wrapper around the cdkTable that has a
         * built-in footer row as *its* content child.
         */
        this._customFooterRowDefs = new Set();
        /**
         * Whether the header row definition has been changed. Triggers an update to the header row after
         * content is checked. Initialized as true so that the table renders the initial set of rows.
         */
        this._headerRowDefChanged = true;
        /**
         * Whether the footer row definition has been changed. Triggers an update to the footer row after
         * content is checked. Initialized as true so that the table renders the initial set of rows.
         */
        this._footerRowDefChanged = true;
        /**
         * Whether the sticky column styles need to be updated. Set to `true` when the visible columns
         * change.
         */
        this._stickyColumnStylesNeedReset = true;
        /**
         * Whether the sticky styler should recalculate cell widths when applying sticky styles. If
         * `false`, cached values will be used instead. This is only applicable to tables with
         * {@link fixedLayout} enabled. For other tables, cell widths will always be recalculated.
         */
        this._forceRecalculateCellWidths = true;
        /**
         * Cache of the latest rendered `RenderRow` objects as a map for easy retrieval when constructing
         * a new list of `RenderRow` objects for rendering rows. Since the new list is constructed with
         * the cached `RenderRow` objects when possible, the row identity is preserved when the data
         * and row template matches, which allows the `IterableDiffer` to check rows by reference
         * and understand which rows are added/moved/removed.
         *
         * Implemented as a map of maps where the first key is the `data: T` object and the second is the
         * `CdkRowDef<T>` object. With the two keys, the cache points to a `RenderRow<T>` object that
         * contains an array of created pairs. The array is necessary to handle cases where the data
         * array contains multiple duplicate data objects and each instantiated `RenderRow` must be
         * stored.
         */
        this._cachedRenderRowsMap = new Map();
        /**
         * CSS class added to any row or cell that has sticky positioning applied. May be overriden by
         * table subclasses.
         */
        this.stickyCssClass = 'cdk-table-sticky';
        /**
         * Whether to manually add positon: sticky to all sticky cell elements. Not needed if
         * the position is set in a selector associated with the value of stickyCssClass. May be
         * overridden by table subclasses
         */
        this.needsPositionStickyOnElement = true;
        /** Whether the no data row is currently showing anything. */
        this._isShowingNoDataRow = false;
        this._multiTemplateDataRows = false;
        this._fixedLayout = false;
        /**
         * Emits when the table completes rendering a set of data rows based on the latest data from the
         * data source, even if the set of rows is empty.
         */
        this.contentChanged = new EventEmitter();
        // TODO(andrewseguin): Remove max value as the end index
        //   and instead calculate the view on init and scroll.
        /**
         * Stream containing the latest information on what rows are being displayed on screen.
         * Can be used by the data source to as a heuristic of what data should be provided.
         *
         * @docs-private
         */
        this.viewChange = new BehaviorSubject({ start: 0, end: Number.MAX_VALUE });
        if (!role) {
            this._elementRef.nativeElement.setAttribute('role', 'table');
        }
        this._document = _document;
        this._isNativeHtmlTable = this._elementRef.nativeElement.nodeName === 'TABLE';
    }
    /**
     * Tracking function that will be used to check the differences in data changes. Used similarly
     * to `ngFor` `trackBy` function. Optimize row operations by identifying a row based on its data
     * relative to the function to know if a row should be added/removed/moved.
     * Accepts a function that takes two parameters, `index` and `item`.
     */
    get trackBy() {
        return this._trackByFn;
    }
    set trackBy(fn) {
        if ((typeof ngDevMode === 'undefined' || ngDevMode) && fn != null && typeof fn !== 'function') {
            console.warn(`trackBy must be a function, but received ${JSON.stringify(fn)}.`);
        }
        this._trackByFn = fn;
    }
    /**
     * The table's source of data, which can be provided in three ways (in order of complexity):
     *   - Simple data array (each object represents one table row)
     *   - Stream that emits a data array each time the array changes
     *   - `DataSource` object that implements the connect/disconnect interface.
     *
     * If a data array is provided, the table must be notified when the array's objects are
     * added, removed, or moved. This can be done by calling the `renderRows()` function which will
     * render the diff since the last table render. If the data array reference is changed, the table
     * will automatically trigger an update to the rows.
     *
     * When providing an Observable stream, the table will trigger an update automatically when the
     * stream emits a new array of data.
     *
     * Finally, when providing a `DataSource` object, the table will use the Observable stream
     * provided by the connect function and trigger updates when that stream emits new data array
     * values. During the table's ngOnDestroy or when the data source is removed from the table, the
     * table will call the DataSource's `disconnect` function (may be useful for cleaning up any
     * subscriptions registered during the connect process).
     */
    get dataSource() {
        return this._dataSource;
    }
    set dataSource(dataSource) {
        if (this._dataSource !== dataSource) {
            this._switchDataSource(dataSource);
        }
    }
    /**
     * Whether to allow multiple rows per data object by evaluating which rows evaluate their 'when'
     * predicate to true. If `multiTemplateDataRows` is false, which is the default value, then each
     * dataobject will render the first row that evaluates its when predicate to true, in the order
     * defined in the table, or otherwise the default row which does not have a when predicate.
     */
    get multiTemplateDataRows() {
        return this._multiTemplateDataRows;
    }
    set multiTemplateDataRows(v) {
        this._multiTemplateDataRows = coerceBooleanProperty(v);
        // In Ivy if this value is set via a static attribute (e.g. <table multiTemplateDataRows>),
        // this setter will be invoked before the row outlet has been defined hence the null check.
        if (this._rowOutlet && this._rowOutlet.viewContainer.length) {
            this._forceRenderDataRows();
            this.updateStickyColumnStyles();
        }
    }
    /**
     * Whether to use a fixed table layout. Enabling this option will enforce consistent column widths
     * and optimize rendering sticky styles for native tables. No-op for flex tables.
     */
    get fixedLayout() {
        return this._fixedLayout;
    }
    set fixedLayout(v) {
        this._fixedLayout = coerceBooleanProperty(v);
        // Toggling `fixedLayout` may change column widths. Sticky column styles should be recalculated.
        this._forceRecalculateCellWidths = true;
        this._stickyColumnStylesNeedReset = true;
    }
    ngOnInit() {
        this._setupStickyStyler();
        if (this._isNativeHtmlTable) {
            this._applyNativeTableSections();
        }
        // Set up the trackBy function so that it uses the `RenderRow` as its identity by default. If
        // the user has provided a custom trackBy, return the result of that function as evaluated
        // with the values of the `RenderRow`'s data and index.
        this._dataDiffer = this._differs.find([]).create((_i, dataRow) => {
            return this.trackBy ? this.trackBy(dataRow.dataIndex, dataRow.data) : dataRow;
        });
        this._viewportRuler.change().pipe(takeUntil(this._onDestroy)).subscribe(() => {
            this._forceRecalculateCellWidths = true;
        });
    }
    ngAfterContentChecked() {
        // Cache the row and column definitions gathered by ContentChildren and programmatic injection.
        this._cacheRowDefs();
        this._cacheColumnDefs();
        // Make sure that the user has at least added header, footer, or data row def.
        if (!this._headerRowDefs.length && !this._footerRowDefs.length && !this._rowDefs.length &&
            (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw getTableMissingRowDefsError();
        }
        // Render updates if the list of columns have been changed for the header, row, or footer defs.
        const columnsChanged = this._renderUpdatedColumns();
        const rowDefsChanged = columnsChanged || this._headerRowDefChanged || this._footerRowDefChanged;
        // Ensure sticky column styles are reset if set to `true` elsewhere.
        this._stickyColumnStylesNeedReset = this._stickyColumnStylesNeedReset || rowDefsChanged;
        this._forceRecalculateCellWidths = rowDefsChanged;
        // If the header row definition has been changed, trigger a render to the header row.
        if (this._headerRowDefChanged) {
            this._forceRenderHeaderRows();
            this._headerRowDefChanged = false;
        }
        // If the footer row definition has been changed, trigger a render to the footer row.
        if (this._footerRowDefChanged) {
            this._forceRenderFooterRows();
            this._footerRowDefChanged = false;
        }
        // If there is a data source and row definitions, connect to the data source unless a
        // connection has already been made.
        if (this.dataSource && this._rowDefs.length > 0 && !this._renderChangeSubscription) {
            this._observeRenderChanges();
        }
        else if (this._stickyColumnStylesNeedReset) {
            // In the above case, _observeRenderChanges will result in updateStickyColumnStyles being
            // called when it row data arrives. Otherwise, we need to call it proactively.
            this.updateStickyColumnStyles();
        }
        this._checkStickyStates();
    }
    ngOnDestroy() {
        this._rowOutlet.viewContainer.clear();
        this._noDataRowOutlet.viewContainer.clear();
        this._headerRowOutlet.viewContainer.clear();
        this._footerRowOutlet.viewContainer.clear();
        this._cachedRenderRowsMap.clear();
        this._onDestroy.next();
        this._onDestroy.complete();
        if (isDataSource(this.dataSource)) {
            this.dataSource.disconnect(this);
        }
    }
    /**
     * Renders rows based on the table's latest set of data, which was either provided directly as an
     * input or retrieved through an Observable stream (directly or from a DataSource).
     * Checks for differences in the data since the last diff to perform only the necessary
     * changes (add/remove/move rows).
     *
     * If the table's data source is a DataSource or Observable, this will be invoked automatically
     * each time the provided Observable stream emits a new data array. Otherwise if your data is
     * an array, this function will need to be called to render any changes.
     */
    renderRows() {
        this._renderRows = this._getAllRenderRows();
        const changes = this._dataDiffer.diff(this._renderRows);
        if (!changes) {
            this._updateNoDataRow();
            this.contentChanged.next();
            return;
        }
        const viewContainer = this._rowOutlet.viewContainer;
        this._viewRepeater.applyChanges(changes, viewContainer, (record, _adjustedPreviousIndex, currentIndex) => this._getEmbeddedViewArgs(record.item, currentIndex), (record) => record.item.data, (change) => {
            if (change.operation === 1 /* INSERTED */ && change.context) {
                this._renderCellTemplateForItem(change.record.item.rowDef, change.context);
            }
        });
        // Update the meta context of a row's context data (index, count, first, last, ...)
        this._updateRowIndexContext();
        // Update rows that did not get added/removed/moved but may have had their identity changed,
        // e.g. if trackBy matched data on some property but the actual data reference changed.
        changes.forEachIdentityChange((record) => {
            const rowView = viewContainer.get(record.currentIndex);
            rowView.context.$implicit = record.item.data;
        });
        this._updateNoDataRow();
        this.updateStickyColumnStyles();
        this.contentChanged.next();
    }
    /** Adds a column definition that was not included as part of the content children. */
    addColumnDef(columnDef) {
        this._customColumnDefs.add(columnDef);
    }
    /** Removes a column definition that was not included as part of the content children. */
    removeColumnDef(columnDef) {
        this._customColumnDefs.delete(columnDef);
    }
    /** Adds a row definition that was not included as part of the content children. */
    addRowDef(rowDef) {
        this._customRowDefs.add(rowDef);
    }
    /** Removes a row definition that was not included as part of the content children. */
    removeRowDef(rowDef) {
        this._customRowDefs.delete(rowDef);
    }
    /** Adds a header row definition that was not included as part of the content children. */
    addHeaderRowDef(headerRowDef) {
        this._customHeaderRowDefs.add(headerRowDef);
        this._headerRowDefChanged = true;
    }
    /** Removes a header row definition that was not included as part of the content children. */
    removeHeaderRowDef(headerRowDef) {
        this._customHeaderRowDefs.delete(headerRowDef);
        this._headerRowDefChanged = true;
    }
    /** Adds a footer row definition that was not included as part of the content children. */
    addFooterRowDef(footerRowDef) {
        this._customFooterRowDefs.add(footerRowDef);
        this._footerRowDefChanged = true;
    }
    /** Removes a footer row definition that was not included as part of the content children. */
    removeFooterRowDef(footerRowDef) {
        this._customFooterRowDefs.delete(footerRowDef);
        this._footerRowDefChanged = true;
    }
    /** Sets a no data row definition that was not included as a part of the content children. */
    setNoDataRow(noDataRow) {
        this._customNoDataRow = noDataRow;
    }
    /**
     * Updates the header sticky styles. First resets all applied styles with respect to the cells
     * sticking to the top. Then, evaluating which cells need to be stuck to the top. This is
     * automatically called when the header row changes its displayed set of columns, or if its
     * sticky input changes. May be called manually for cases where the cell content changes outside
     * of these events.
     */
    updateStickyHeaderRowStyles() {
        const headerRows = this._getRenderedRows(this._headerRowOutlet);
        const tableElement = this._elementRef.nativeElement;
        // Hide the thead element if there are no header rows. This is necessary to satisfy
        // overzealous a11y checkers that fail because the `rowgroup` element does not contain
        // required child `row`.
        const thead = tableElement.querySelector('thead');
        if (thead) {
            thead.style.display = headerRows.length ? '' : 'none';
        }
        const stickyStates = this._headerRowDefs.map(def => def.sticky);
        this._stickyStyler.clearStickyPositioning(headerRows, ['top']);
        this._stickyStyler.stickRows(headerRows, stickyStates, 'top');
        // Reset the dirty state of the sticky input change since it has been used.
        this._headerRowDefs.forEach(def => def.resetStickyChanged());
    }
    /**
     * Updates the footer sticky styles. First resets all applied styles with respect to the cells
     * sticking to the bottom. Then, evaluating which cells need to be stuck to the bottom. This is
     * automatically called when the footer row changes its displayed set of columns, or if its
     * sticky input changes. May be called manually for cases where the cell content changes outside
     * of these events.
     */
    updateStickyFooterRowStyles() {
        const footerRows = this._getRenderedRows(this._footerRowOutlet);
        const tableElement = this._elementRef.nativeElement;
        // Hide the tfoot element if there are no footer rows. This is necessary to satisfy
        // overzealous a11y checkers that fail because the `rowgroup` element does not contain
        // required child `row`.
        const tfoot = tableElement.querySelector('tfoot');
        if (tfoot) {
            tfoot.style.display = footerRows.length ? '' : 'none';
        }
        const stickyStates = this._footerRowDefs.map(def => def.sticky);
        this._stickyStyler.clearStickyPositioning(footerRows, ['bottom']);
        this._stickyStyler.stickRows(footerRows, stickyStates, 'bottom');
        this._stickyStyler.updateStickyFooterContainer(this._elementRef.nativeElement, stickyStates);
        // Reset the dirty state of the sticky input change since it has been used.
        this._footerRowDefs.forEach(def => def.resetStickyChanged());
    }
    /**
     * Updates the column sticky styles. First resets all applied styles with respect to the cells
     * sticking to the left and right. Then sticky styles are added for the left and right according
     * to the column definitions for each cell in each row. This is automatically called when
     * the data source provides a new set of data or when a column definition changes its sticky
     * input. May be called manually for cases where the cell content changes outside of these events.
     */
    updateStickyColumnStyles() {
        const headerRows = this._getRenderedRows(this._headerRowOutlet);
        const dataRows = this._getRenderedRows(this._rowOutlet);
        const footerRows = this._getRenderedRows(this._footerRowOutlet);
        // For tables not using a fixed layout, the column widths may change when new rows are rendered.
        // In a table using a fixed layout, row content won't affect column width, so sticky styles
        // don't need to be cleared unless either the sticky column config changes or one of the row
        // defs change.
        if ((this._isNativeHtmlTable && !this._fixedLayout)
            || this._stickyColumnStylesNeedReset) {
            // Clear the left and right positioning from all columns in the table across all rows since
            // sticky columns span across all table sections (header, data, footer)
            this._stickyStyler.clearStickyPositioning([...headerRows, ...dataRows, ...footerRows], ['left', 'right']);
            this._stickyColumnStylesNeedReset = false;
        }
        // Update the sticky styles for each header row depending on the def's sticky state
        headerRows.forEach((headerRow, i) => {
            this._addStickyColumnStyles([headerRow], this._headerRowDefs[i]);
        });
        // Update the sticky styles for each data row depending on its def's sticky state
        this._rowDefs.forEach(rowDef => {
            // Collect all the rows rendered with this row definition.
            const rows = [];
            for (let i = 0; i < dataRows.length; i++) {
                if (this._renderRows[i].rowDef === rowDef) {
                    rows.push(dataRows[i]);
                }
            }
            this._addStickyColumnStyles(rows, rowDef);
        });
        // Update the sticky styles for each footer row depending on the def's sticky state
        footerRows.forEach((footerRow, i) => {
            this._addStickyColumnStyles([footerRow], this._footerRowDefs[i]);
        });
        // Reset the dirty state of the sticky input change since it has been used.
        Array.from(this._columnDefsByName.values()).forEach(def => def.resetStickyChanged());
    }
    /**
     * Get the list of RenderRow objects to render according to the current list of data and defined
     * row definitions. If the previous list already contained a particular pair, it should be reused
     * so that the differ equates their references.
     */
    _getAllRenderRows() {
        const renderRows = [];
        // Store the cache and create a new one. Any re-used RenderRow objects will be moved into the
        // new cache while unused ones can be picked up by garbage collection.
        const prevCachedRenderRows = this._cachedRenderRowsMap;
        this._cachedRenderRowsMap = new Map();
        // For each data object, get the list of rows that should be rendered, represented by the
        // respective `RenderRow` object which is the pair of `data` and `CdkRowDef`.
        for (let i = 0; i < this._data.length; i++) {
            let data = this._data[i];
            const renderRowsForData = this._getRenderRowsForData(data, i, prevCachedRenderRows.get(data));
            if (!this._cachedRenderRowsMap.has(data)) {
                this._cachedRenderRowsMap.set(data, new WeakMap());
            }
            for (let j = 0; j < renderRowsForData.length; j++) {
                let renderRow = renderRowsForData[j];
                const cache = this._cachedRenderRowsMap.get(renderRow.data);
                if (cache.has(renderRow.rowDef)) {
                    cache.get(renderRow.rowDef).push(renderRow);
                }
                else {
                    cache.set(renderRow.rowDef, [renderRow]);
                }
                renderRows.push(renderRow);
            }
        }
        return renderRows;
    }
    /**
     * Gets a list of `RenderRow<T>` for the provided data object and any `CdkRowDef` objects that
     * should be rendered for this data. Reuses the cached RenderRow objects if they match the same
     * `(T, CdkRowDef)` pair.
     */
    _getRenderRowsForData(data, dataIndex, cache) {
        const rowDefs = this._getRowDefs(data, dataIndex);
        return rowDefs.map(rowDef => {
            const cachedRenderRows = (cache && cache.has(rowDef)) ? cache.get(rowDef) : [];
            if (cachedRenderRows.length) {
                const dataRow = cachedRenderRows.shift();
                dataRow.dataIndex = dataIndex;
                return dataRow;
            }
            else {
                return { data, rowDef, dataIndex };
            }
        });
    }
    /** Update the map containing the content's column definitions. */
    _cacheColumnDefs() {
        this._columnDefsByName.clear();
        const columnDefs = mergeArrayAndSet(this._getOwnDefs(this._contentColumnDefs), this._customColumnDefs);
        columnDefs.forEach(columnDef => {
            if (this._columnDefsByName.has(columnDef.name) &&
                (typeof ngDevMode === 'undefined' || ngDevMode)) {
                throw getTableDuplicateColumnNameError(columnDef.name);
            }
            this._columnDefsByName.set(columnDef.name, columnDef);
        });
    }
    /** Update the list of all available row definitions that can be used. */
    _cacheRowDefs() {
        this._headerRowDefs = mergeArrayAndSet(this._getOwnDefs(this._contentHeaderRowDefs), this._customHeaderRowDefs);
        this._footerRowDefs = mergeArrayAndSet(this._getOwnDefs(this._contentFooterRowDefs), this._customFooterRowDefs);
        this._rowDefs = mergeArrayAndSet(this._getOwnDefs(this._contentRowDefs), this._customRowDefs);
        // After all row definitions are determined, find the row definition to be considered default.
        const defaultRowDefs = this._rowDefs.filter(def => !def.when);
        if (!this.multiTemplateDataRows && defaultRowDefs.length > 1 &&
            (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw getTableMultipleDefaultRowDefsError();
        }
        this._defaultRowDef = defaultRowDefs[0];
    }
    /**
     * Check if the header, data, or footer rows have changed what columns they want to display or
     * whether the sticky states have changed for the header or footer. If there is a diff, then
     * re-render that section.
     */
    _renderUpdatedColumns() {
        const columnsDiffReducer = (acc, def) => acc || !!def.getColumnsDiff();
        // Force re-render data rows if the list of column definitions have changed.
        const dataColumnsChanged = this._rowDefs.reduce(columnsDiffReducer, false);
        if (dataColumnsChanged) {
            this._forceRenderDataRows();
        }
        // Force re-render header/footer rows if the list of column definitions have changed.
        const headerColumnsChanged = this._headerRowDefs.reduce(columnsDiffReducer, false);
        if (headerColumnsChanged) {
            this._forceRenderHeaderRows();
        }
        const footerColumnsChanged = this._footerRowDefs.reduce(columnsDiffReducer, false);
        if (footerColumnsChanged) {
            this._forceRenderFooterRows();
        }
        return dataColumnsChanged || headerColumnsChanged || footerColumnsChanged;
    }
    /**
     * Switch to the provided data source by resetting the data and unsubscribing from the current
     * render change subscription if one exists. If the data source is null, interpret this by
     * clearing the row outlet. Otherwise start listening for new data.
     */
    _switchDataSource(dataSource) {
        this._data = [];
        if (isDataSource(this.dataSource)) {
            this.dataSource.disconnect(this);
        }
        // Stop listening for data from the previous data source.
        if (this._renderChangeSubscription) {
            this._renderChangeSubscription.unsubscribe();
            this._renderChangeSubscription = null;
        }
        if (!dataSource) {
            if (this._dataDiffer) {
                this._dataDiffer.diff([]);
            }
            this._rowOutlet.viewContainer.clear();
        }
        this._dataSource = dataSource;
    }
    /** Set up a subscription for the data provided by the data source. */
    _observeRenderChanges() {
        // If no data source has been set, there is nothing to observe for changes.
        if (!this.dataSource) {
            return;
        }
        let dataStream;
        if (isDataSource(this.dataSource)) {
            dataStream = this.dataSource.connect(this);
        }
        else if (isObservable(this.dataSource)) {
            dataStream = this.dataSource;
        }
        else if (Array.isArray(this.dataSource)) {
            dataStream = of(this.dataSource);
        }
        if (dataStream === undefined && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw getTableUnknownDataSourceError();
        }
        this._renderChangeSubscription = dataStream.pipe(takeUntil(this._onDestroy))
            .subscribe(data => {
            this._data = data || [];
            this.renderRows();
        });
    }
    /**
     * Clears any existing content in the header row outlet and creates a new embedded view
     * in the outlet using the header row definition.
     */
    _forceRenderHeaderRows() {
        // Clear the header row outlet if any content exists.
        if (this._headerRowOutlet.viewContainer.length > 0) {
            this._headerRowOutlet.viewContainer.clear();
        }
        this._headerRowDefs.forEach((def, i) => this._renderRow(this._headerRowOutlet, def, i));
        this.updateStickyHeaderRowStyles();
    }
    /**
     * Clears any existing content in the footer row outlet and creates a new embedded view
     * in the outlet using the footer row definition.
     */
    _forceRenderFooterRows() {
        // Clear the footer row outlet if any content exists.
        if (this._footerRowOutlet.viewContainer.length > 0) {
            this._footerRowOutlet.viewContainer.clear();
        }
        this._footerRowDefs.forEach((def, i) => this._renderRow(this._footerRowOutlet, def, i));
        this.updateStickyFooterRowStyles();
    }
    /** Adds the sticky column styles for the rows according to the columns' stick states. */
    _addStickyColumnStyles(rows, rowDef) {
        const columnDefs = Array.from(rowDef.columns || []).map(columnName => {
            const columnDef = this._columnDefsByName.get(columnName);
            if (!columnDef && (typeof ngDevMode === 'undefined' || ngDevMode)) {
                throw getTableUnknownColumnError(columnName);
            }
            return columnDef;
        });
        const stickyStartStates = columnDefs.map(columnDef => columnDef.sticky);
        const stickyEndStates = columnDefs.map(columnDef => columnDef.stickyEnd);
        this._stickyStyler.updateStickyColumns(rows, stickyStartStates, stickyEndStates, !this._fixedLayout || this._forceRecalculateCellWidths);
    }
    /** Gets the list of rows that have been rendered in the row outlet. */
    _getRenderedRows(rowOutlet) {
        const renderedRows = [];
        for (let i = 0; i < rowOutlet.viewContainer.length; i++) {
            const viewRef = rowOutlet.viewContainer.get(i);
            renderedRows.push(viewRef.rootNodes[0]);
        }
        return renderedRows;
    }
    /**
     * Get the matching row definitions that should be used for this row data. If there is only
     * one row definition, it is returned. Otherwise, find the row definitions that has a when
     * predicate that returns true with the data. If none return true, return the default row
     * definition.
     */
    _getRowDefs(data, dataIndex) {
        if (this._rowDefs.length == 1) {
            return [this._rowDefs[0]];
        }
        let rowDefs = [];
        if (this.multiTemplateDataRows) {
            rowDefs = this._rowDefs.filter(def => !def.when || def.when(dataIndex, data));
        }
        else {
            let rowDef = this._rowDefs.find(def => def.when && def.when(dataIndex, data)) || this._defaultRowDef;
            if (rowDef) {
                rowDefs.push(rowDef);
            }
        }
        if (!rowDefs.length && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw getTableMissingMatchingRowDefError(data);
        }
        return rowDefs;
    }
    _getEmbeddedViewArgs(renderRow, index) {
        const rowDef = renderRow.rowDef;
        const context = { $implicit: renderRow.data };
        return {
            templateRef: rowDef.template,
            context,
            index,
        };
    }
    /**
     * Creates a new row template in the outlet and fills it with the set of cell templates.
     * Optionally takes a context to provide to the row and cells, as well as an optional index
     * of where to place the new row template in the outlet.
     */
    _renderRow(outlet, rowDef, index, context = {}) {
        // TODO(andrewseguin): enforce that one outlet was instantiated from createEmbeddedView
        const view = outlet.viewContainer.createEmbeddedView(rowDef.template, context, index);
        this._renderCellTemplateForItem(rowDef, context);
        return view;
    }
    _renderCellTemplateForItem(rowDef, context) {
        for (let cellTemplate of this._getCellTemplates(rowDef)) {
            if (CdkCellOutlet.mostRecentCellOutlet) {
                CdkCellOutlet.mostRecentCellOutlet._viewContainer.createEmbeddedView(cellTemplate, context);
            }
        }
        this._changeDetectorRef.markForCheck();
    }
    /**
     * Updates the index-related context for each row to reflect any changes in the index of the rows,
     * e.g. first/last/even/odd.
     */
    _updateRowIndexContext() {
        const viewContainer = this._rowOutlet.viewContainer;
        for (let renderIndex = 0, count = viewContainer.length; renderIndex < count; renderIndex++) {
            const viewRef = viewContainer.get(renderIndex);
            const context = viewRef.context;
            context.count = count;
            context.first = renderIndex === 0;
            context.last = renderIndex === count - 1;
            context.even = renderIndex % 2 === 0;
            context.odd = !context.even;
            if (this.multiTemplateDataRows) {
                context.dataIndex = this._renderRows[renderIndex].dataIndex;
                context.renderIndex = renderIndex;
            }
            else {
                context.index = this._renderRows[renderIndex].dataIndex;
            }
        }
    }
    /** Gets the column definitions for the provided row def. */
    _getCellTemplates(rowDef) {
        if (!rowDef || !rowDef.columns) {
            return [];
        }
        return Array.from(rowDef.columns, columnId => {
            const column = this._columnDefsByName.get(columnId);
            if (!column && (typeof ngDevMode === 'undefined' || ngDevMode)) {
                throw getTableUnknownColumnError(columnId);
            }
            return rowDef.extractCellTemplate(column);
        });
    }
    /** Adds native table sections (e.g. tbody) and moves the row outlets into them. */
    _applyNativeTableSections() {
        const documentFragment = this._document.createDocumentFragment();
        const sections = [
            { tag: 'thead', outlets: [this._headerRowOutlet] },
            { tag: 'tbody', outlets: [this._rowOutlet, this._noDataRowOutlet] },
            { tag: 'tfoot', outlets: [this._footerRowOutlet] },
        ];
        for (const section of sections) {
            const element = this._document.createElement(section.tag);
            element.setAttribute('role', 'rowgroup');
            for (const outlet of section.outlets) {
                element.appendChild(outlet.elementRef.nativeElement);
            }
            documentFragment.appendChild(element);
        }
        // Use a DocumentFragment so we don't hit the DOM on each iteration.
        this._elementRef.nativeElement.appendChild(documentFragment);
    }
    /**
     * Forces a re-render of the data rows. Should be called in cases where there has been an input
     * change that affects the evaluation of which rows should be rendered, e.g. toggling
     * `multiTemplateDataRows` or adding/removing row definitions.
     */
    _forceRenderDataRows() {
        this._dataDiffer.diff([]);
        this._rowOutlet.viewContainer.clear();
        this.renderRows();
    }
    /**
     * Checks if there has been a change in sticky states since last check and applies the correct
     * sticky styles. Since checking resets the "dirty" state, this should only be performed once
     * during a change detection and after the inputs are settled (after content check).
     */
    _checkStickyStates() {
        const stickyCheckReducer = (acc, d) => {
            return acc || d.hasStickyChanged();
        };
        // Note that the check needs to occur for every definition since it notifies the definition
        // that it can reset its dirty state. Using another operator like `some` may short-circuit
        // remaining definitions and leave them in an unchecked state.
        if (this._headerRowDefs.reduce(stickyCheckReducer, false)) {
            this.updateStickyHeaderRowStyles();
        }
        if (this._footerRowDefs.reduce(stickyCheckReducer, false)) {
            this.updateStickyFooterRowStyles();
        }
        if (Array.from(this._columnDefsByName.values()).reduce(stickyCheckReducer, false)) {
            this._stickyColumnStylesNeedReset = true;
            this.updateStickyColumnStyles();
        }
    }
    /**
     * Creates the sticky styler that will be used for sticky rows and columns. Listens
     * for directionality changes and provides the latest direction to the styler. Re-applies column
     * stickiness when directionality changes.
     */
    _setupStickyStyler() {
        const direction = this._dir ? this._dir.value : 'ltr';
        this._stickyStyler = new StickyStyler(this._isNativeHtmlTable, this.stickyCssClass, direction, this._coalescedStyleScheduler, this._platform.isBrowser, this.needsPositionStickyOnElement, this._stickyPositioningListener);
        (this._dir ? this._dir.change : of())
            .pipe(takeUntil(this._onDestroy))
            .subscribe(value => {
            this._stickyStyler.direction = value;
            this.updateStickyColumnStyles();
        });
    }
    /** Filters definitions that belong to this table from a QueryList. */
    _getOwnDefs(items) {
        return items.filter(item => !item._table || item._table === this);
    }
    /** Creates or removes the no data row, depending on whether any data is being shown. */
    _updateNoDataRow() {
        const noDataRow = this._customNoDataRow || this._noDataRow;
        if (noDataRow) {
            const shouldShow = this._rowOutlet.viewContainer.length === 0;
            if (shouldShow !== this._isShowingNoDataRow) {
                const container = this._noDataRowOutlet.viewContainer;
                shouldShow ? container.createEmbeddedView(noDataRow.templateRef) : container.clear();
                this._isShowingNoDataRow = shouldShow;
            }
        }
    }
}
CdkTable.decorators = [
    { type: Component, args: [{
                selector: 'cdk-table, table[cdk-table]',
                exportAs: 'cdkTable',
                template: CDK_TABLE_TEMPLATE,
                host: {
                    'class': 'cdk-table',
                    '[class.cdk-table-fixed-layout]': 'fixedLayout',
                },
                encapsulation: ViewEncapsulation.None,
                // The "OnPush" status for the `MatTable` component is effectively a noop, so we are removing it.
                // The view for `MatTable` consists entirely of templates declared in other views. As they are
                // declared elsewhere, they are checked when their declaration points are checked.
                // tslint:disable-next-line:validate-decorators
                changeDetection: ChangeDetectionStrategy.Default,
                providers: [
                    { provide: CDK_TABLE, useExisting: CdkTable },
                    { provide: _VIEW_REPEATER_STRATEGY, useClass: _DisposeViewRepeaterStrategy },
                    { provide: _COALESCED_STYLE_SCHEDULER, useClass: _CoalescedStyleScheduler },
                    // Prevent nested tables from seeing this table's StickyPositioningListener.
                    { provide: STICKY_POSITIONING_LISTENER, useValue: null },
                ],
                styles: [".cdk-table-fixed-layout{table-layout:fixed}\n"]
            },] }
];
CdkTable.ctorParameters = () => [
    { type: IterableDiffers },
    { type: ChangeDetectorRef },
    { type: ElementRef },
    { type: String, decorators: [{ type: Attribute, args: ['role',] }] },
    { type: Directionality, decorators: [{ type: Optional }] },
    { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },
    { type: Platform },
    { type: undefined, decorators: [{ type: Inject, args: [_VIEW_REPEATER_STRATEGY,] }] },
    { type: _CoalescedStyleScheduler, decorators: [{ type: Inject, args: [_COALESCED_STYLE_SCHEDULER,] }] },
    { type: ViewportRuler },
    { type: undefined, decorators: [{ type: Optional }, { type: SkipSelf }, { type: Inject, args: [STICKY_POSITIONING_LISTENER,] }] }
];
CdkTable.propDecorators = {
    trackBy: [{ type: Input }],
    dataSource: [{ type: Input }],
    multiTemplateDataRows: [{ type: Input }],
    fixedLayout: [{ type: Input }],
    contentChanged: [{ type: Output }],
    _rowOutlet: [{ type: ViewChild, args: [DataRowOutlet, { static: true },] }],
    _headerRowOutlet: [{ type: ViewChild, args: [HeaderRowOutlet, { static: true },] }],
    _footerRowOutlet: [{ type: ViewChild, args: [FooterRowOutlet, { static: true },] }],
    _noDataRowOutlet: [{ type: ViewChild, args: [NoDataRowOutlet, { static: true },] }],
    _contentColumnDefs: [{ type: ContentChildren, args: [CdkColumnDef, { descendants: true },] }],
    _contentRowDefs: [{ type: ContentChildren, args: [CdkRowDef, { descendants: true },] }],
    _contentHeaderRowDefs: [{ type: ContentChildren, args: [CdkHeaderRowDef, {
                    descendants: true
                },] }],
    _contentFooterRowDefs: [{ type: ContentChildren, args: [CdkFooterRowDef, {
                    descendants: true
                },] }],
    _noDataRow: [{ type: ContentChild, args: [CdkNoDataRow,] }]
};
/** Utility function that gets a merged list of the entries in an array and values of a Set. */
function mergeArrayAndSet(array, set) {
    return array.concat(Array.from(set));
}

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */
/**
 * Column that simply shows text content for the header and row cells. Assumes that the table
 * is using the native table implementation (`<table>`).
 *
 * By default, the name of this column will be the header text and data property accessor.
 * The header text can be overridden with the `headerText` input. Cell values can be overridden with
 * the `dataAccessor` input. Change the text justification to the start or end using the `justify`
 * input.
 */
class CdkTextColumn {
    constructor(
    // `CdkTextColumn` is always requiring a table, but we just assert it manually
    // for better error reporting.
    // tslint:disable-next-line: lightweight-tokens
    _table, _options) {
        this._table = _table;
        this._options = _options;
        /** Alignment of the cell values. */
        this.justify = 'start';
        this._options = _options || {};
    }
    /** Column name that should be used to reference this column. */
    get name() {
        return this._name;
    }
    set name(name) {
        this._name = name;
        // With Ivy, inputs can be initialized before static query results are
        // available. In that case, we defer the synchronization until "ngOnInit" fires.
        this._syncColumnDefName();
    }
    ngOnInit() {
        this._syncColumnDefName();
        if (this.headerText === undefined) {
            this.headerText = this._createDefaultHeaderText();
        }
        if (!this.dataAccessor) {
            this.dataAccessor =
                this._options.defaultDataAccessor || ((data, name) => data[name]);
        }
        if (this._table) {
            // Provide the cell and headerCell directly to the table with the static `ViewChild` query,
            // since the columnDef will not pick up its content by the time the table finishes checking
            // its content and initializing the rows.
            this.columnDef.cell = this.cell;
            this.columnDef.headerCell = this.headerCell;
            this._table.addColumnDef(this.columnDef);
        }
        else if (typeof ngDevMode === 'undefined' || ngDevMode) {
            throw getTableTextColumnMissingParentTableError();
        }
    }
    ngOnDestroy() {
        if (this._table) {
            this._table.removeColumnDef(this.columnDef);
        }
    }
    /**
     * Creates a default header text. Use the options' header text transformation function if one
     * has been provided. Otherwise simply capitalize the column name.
     */
    _createDefaultHeaderText() {
        const name = this.name;
        if (!name && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw getTableTextColumnMissingNameError();
        }
        if (this._options && this._options.defaultHeaderTextTransform) {
            return this._options.defaultHeaderTextTransform(name);
        }
        return name[0].toUpperCase() + name.slice(1);
    }
    /** Synchronizes the column definition name with the text column name. */
    _syncColumnDefName() {
        if (this.columnDef) {
            this.columnDef.name = this.name;
        }
    }
}
CdkTextColumn.decorators = [
    { type: Component, args: [{
                selector: 'cdk-text-column',
                template: `
    <ng-container cdkColumnDef>
      <th cdk-header-cell *cdkHeaderCellDef [style.text-align]="justify">
        {{headerText}}
      </th>
      <td cdk-cell *cdkCellDef="let data" [style.text-align]="justify">
        {{dataAccessor(data, name)}}
      </td>
    </ng-container>
  `,
                encapsulation: ViewEncapsulation.None,
                // Change detection is intentionally not set to OnPush. This component's template will be provided
                // to the table to be inserted into its view. This is problematic when change detection runs since
                // the bindings in this template will be evaluated _after_ the table's view is evaluated, which
                // mean's the template in the table's view will not have the updated value (and in fact will cause
                // an ExpressionChangedAfterItHasBeenCheckedError).
                // tslint:disable-next-line:validate-decorators
                changeDetection: ChangeDetectionStrategy.Default
            },] }
];
CdkTextColumn.ctorParameters = () => [
    { type: CdkTable, decorators: [{ type: Optional }] },
    { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [TEXT_COLUMN_OPTIONS,] }] }
];
CdkTextColumn.propDecorators = {
    name: [{ type: Input }],
    headerText: [{ type: Input }],
    dataAccessor: [{ type: Input }],
    justify: [{ type: Input }],
    columnDef: [{ type: ViewChild, args: [CdkColumnDef, { static: true },] }],
    cell: [{ type: ViewChild, args: [CdkCellDef, { static: true },] }],
    headerCell: [{ type: ViewChild, args: [CdkHeaderCellDef, { static: true },] }]
};

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */
const EXPORTED_DECLARATIONS = [
    CdkTable,
    CdkRowDef,
    CdkCellDef,
    CdkCellOutlet,
    CdkHeaderCellDef,
    CdkFooterCellDef,
    CdkColumnDef,
    CdkCell,
    CdkRow,
    CdkHeaderCell,
    CdkFooterCell,
    CdkHeaderRow,
    CdkHeaderRowDef,
    CdkFooterRow,
    CdkFooterRowDef,
    DataRowOutlet,
    HeaderRowOutlet,
    FooterRowOutlet,
    CdkTextColumn,
    CdkNoDataRow,
    CdkRecycleRows,
    NoDataRowOutlet,
];
class CdkTableModule {
}
CdkTableModule.decorators = [
    { type: NgModule, args: [{
                exports: EXPORTED_DECLARATIONS,
                declarations: EXPORTED_DECLARATIONS,
                imports: [ScrollingModule]
            },] }
];

/**
 * @license
 * Copyright Google LLC 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://angular.io/license
 */

/**
 * Generated bundle index. Do not edit.
 */

export { BaseCdkCell, BaseRowDef, CDK_ROW_TEMPLATE, CDK_TABLE, CDK_TABLE_TEMPLATE, CdkCell, CdkCellDef, CdkCellOutlet, CdkColumnDef, CdkFooterCell, CdkFooterCellDef, CdkFooterRow, CdkFooterRowDef, CdkHeaderCell, CdkHeaderCellDef, CdkHeaderRow, CdkHeaderRowDef, CdkNoDataRow, CdkRecycleRows, CdkRow, CdkRowDef, CdkTable, CdkTableModule, CdkTextColumn, DataRowOutlet, FooterRowOutlet, HeaderRowOutlet, NoDataRowOutlet, STICKY_DIRECTIONS, STICKY_POSITIONING_LISTENER, StickyStyler, TEXT_COLUMN_OPTIONS, _COALESCED_STYLE_SCHEDULER, _CoalescedStyleScheduler, _Schedule, mixinHasStickyInput };
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