/**
 * @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
 */
import { __awaiter } from "tslib";
import { ComponentHarness, parallel } from '@angular/cdk/testing';
import { MatDividerHarness } from '@angular/material/divider/testing';
import { MatSubheaderHarness } from './list-item-harness-base';
/**
 * Shared behavior among the harnesses for the various `MatList` flavors.
 * @template T A constructor type for a list item harness type used by this list harness.
 * @template C The list item harness type that `T` constructs.
 * @template F The filter type used filter list item harness of type `C`.
 * @docs-private
 */
export class MatListHarnessBase extends ComponentHarness {
    /**
     * Gets a list of harnesses representing the items in this list.
     * @param filters Optional filters used to narrow which harnesses are included
     * @return The list of items matching the given filters.
     */
    getItems(filters) {
        return __awaiter(this, void 0, void 0, function* () {
            return this.locatorForAll(this._itemHarness.with(filters))();
        });
    }
    /**
     * Gets a list of `ListSection` representing the list items grouped by subheaders. If the list has
     * no subheaders it is represented as a single `ListSection` with an undefined `heading` property.
     * @param filters Optional filters used to narrow which list item harnesses are included
     * @return The list of items matching the given filters, grouped into sections by subheader.
     */
    getItemsGroupedBySubheader(filters) {
        return __awaiter(this, void 0, void 0, function* () {
            const listSections = [];
            let currentSection = { items: [] };
            const itemsAndSubheaders = yield this.getItemsWithSubheadersAndDividers({ item: filters, divider: false });
            for (const itemOrSubheader of itemsAndSubheaders) {
                if (itemOrSubheader instanceof MatSubheaderHarness) {
                    if (currentSection.heading !== undefined || currentSection.items.length) {
                        listSections.push(currentSection);
                    }
                    currentSection = { heading: itemOrSubheader.getText(), items: [] };
                }
                else {
                    currentSection.items.push(itemOrSubheader);
                }
            }
            if (currentSection.heading !== undefined || currentSection.items.length ||
                !listSections.length) {
                listSections.push(currentSection);
            }
            // Concurrently wait for all sections to resolve their heading if present.
            return parallel(() => listSections.map((s) => __awaiter(this, void 0, void 0, function* () { return ({ items: s.items, heading: yield s.heading }); })));
        });
    }
    /**
     * Gets a list of sub-lists representing the list items grouped by dividers. If the list has no
     * dividers it is represented as a list with a single sub-list.
     * @param filters Optional filters used to narrow which list item harnesses are included
     * @return The list of items matching the given filters, grouped into sub-lists by divider.
     */
    getItemsGroupedByDividers(filters) {
        return __awaiter(this, void 0, void 0, function* () {
            const listSections = [[]];
            const itemsAndDividers = yield this.getItemsWithSubheadersAndDividers({ item: filters, subheader: false });
            for (const itemOrDivider of itemsAndDividers) {
                if (itemOrDivider instanceof MatDividerHarness) {
                    listSections.push([]);
                }
                else {
                    listSections[listSections.length - 1].push(itemOrDivider);
                }
            }
            return listSections;
        });
    }
    getItemsWithSubheadersAndDividers(filters = {}) {
        return __awaiter(this, void 0, void 0, function* () {
            const query = [];
            if (filters.item !== false) {
                query.push(this._itemHarness.with(filters.item || {}));
            }
            if (filters.subheader !== false) {
                query.push(MatSubheaderHarness.with(filters.subheader));
            }
            if (filters.divider !== false) {
                query.push(MatDividerHarness.with(filters.divider));
            }
            return this.locatorForAll(...query)();
        });
    }
}
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If the list has\n   * no subheaders it is represented as a single `ListSection` with an undefined `heading` property.\n   * @param filters Optional filters used to narrow which list item harnesses are included\n   * @return The list of items matching the given filters, grouped into sections by subheader.\n   */\n  async getItemsGroupedBySubheader(filters?: F): Promise<ListSection<C>[]> {\n    type Section = {items: C[], heading?: Promise<string>};\n    const listSections: Section[] = [];\n    let currentSection: Section = {items: []};\n    const itemsAndSubheaders =\n        await this.getItemsWithSubheadersAndDividers({item: filters, divider: false});\n    for (const itemOrSubheader of itemsAndSubheaders) {\n      if (itemOrSubheader instanceof MatSubheaderHarness) {\n        if (currentSection.heading !== undefined || currentSection.items.length) {\n          listSections.push(currentSection);\n        }\n        currentSection = {heading: itemOrSubheader.getText(), items: []};\n      } else {\n        currentSection.items.push(itemOrSubheader);\n      }\n    }\n    if (currentSection.heading !== undefined || currentSection.items.length ||\n        !listSections.length) {\n      listSections.push(currentSection);\n    }\n\n    // Concurrently wait for all sections to resolve their heading if present.\n    return parallel(() => listSections.map(async (s) =>\n      ({items: s.items, heading: await s.heading})));\n  }\n\n  /**\n   * Gets a list of sub-lists representing the list items grouped by dividers. If the list has no\n   * dividers it is represented as a list with a single sub-list.\n   * @param filters Optional filters used to narrow which list item harnesses are included\n   * @return The list of items matching the given filters, grouped into sub-lists by divider.\n   */\n  async getItemsGroupedByDividers(filters?: F): Promise<C[][]> {\n    const listSections: C[][] = [[]];\n    const itemsAndDividers =\n        await this.getItemsWithSubheadersAndDividers({item: filters, subheader: false});\n    for (const itemOrDivider of itemsAndDividers) {\n      if (itemOrDivider instanceof MatDividerHarness) {\n        listSections.push([]);\n      } else {\n        listSections[listSections.length - 1].push(itemOrDivider);\n      }\n    }\n    return listSections;\n  }\n\n  /**\n   * Gets a list of harnesses representing all of the items, subheaders, and dividers\n   * (in the order they appear in the list). Use `instanceof` to check which type of harness a given\n   * item is.\n   * @param filters Optional filters used to narrow which list items, subheaders, and dividers are\n   *     included. A value of `false` for the `item`, `subheader`, or `divider` properties indicates\n   *     that the respective harness type should be omitted completely.\n   * @return The list of harnesses representing the items, subheaders, and dividers matching the\n   *     given filters.\n   */\n  getItemsWithSubheadersAndDividers(filters: {\n    item: false,\n    subheader: false,\n    divider: false\n  }): Promise<[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item?: F | false,\n    subheader: false,\n    divider: false\n  }): Promise<C[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item: false,\n    subheader?: SubheaderHarnessFilters | false,\n    divider: false\n  }): Promise<MatSubheaderHarness[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item: false,\n    subheader: false,\n    divider?: DividerHarnessFilters | false\n  }): Promise<MatDividerHarness[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item?: F | false,\n    subheader?: SubheaderHarnessFilters | false,\n    divider: false\n  }): Promise<(C | MatSubheaderHarness)[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item?: F | false,\n    subheader: false,\n    divider?: false | DividerHarnessFilters\n  }): Promise<(C | MatDividerHarness)[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item: false,\n    subheader?: false | SubheaderHarnessFilters,\n    divider?: false | DividerHarnessFilters\n  }): Promise<(MatSubheaderHarness | MatDividerHarness)[]>;\n  getItemsWithSubheadersAndDividers(filters?: {\n    item?: F | false,\n    subheader?: SubheaderHarnessFilters | false,\n    divider?: DividerHarnessFilters | false\n  }): Promise<(C | MatSubheaderHarness | MatDividerHarness)[]>;\n  async getItemsWithSubheadersAndDividers(filters: {\n    item?: F | false,\n    subheader?: SubheaderHarnessFilters | false,\n    divider?: DividerHarnessFilters | false\n  } = {}): Promise<(C | MatSubheaderHarness | MatDividerHarness)[]> {\n    const query = [];\n    if (filters.item !== false) {\n      query.push(this._itemHarness.with(filters.item || {} as F));\n    }\n    if (filters.subheader !== false) {\n      query.push(MatSubheaderHarness.with(filters.subheader));\n    }\n    if (filters.divider !== false) {\n      query.push(MatDividerHarness.with(filters.divider));\n    }\n    return this.locatorForAll(...query)();\n  }\n}\n"]}