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c390291687
PiperOrigin-RevId: 576601342
55 lines
1.1 KiB
TypeScript
55 lines
1.1 KiB
TypeScript
/**
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* @license
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* Copyright 2022 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import {LitElement} from 'lit';
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import {Harness} from '../testing/harness.js';
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import {Menu} from './internal/menu.js';
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import {MenuItemHarness} from './internal/menuitem/harness.js';
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export {MenuItemHarness} from './internal/menuitem/harness.js';
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/**
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* Test harness for menu.
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*/
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export class MenuHarness extends Harness<Menu> {
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/**
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* Shows the menu and returns the first list item element.
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*/
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protected override async getInteractiveElement() {
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await this.element.updateComplete;
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return this.element as Menu;
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}
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/** @return ListItem harnesses for the menu's items. */
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getItems() {
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return this.element.items.map(
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(item) => new MenuItemHarness(item as typeof item & LitElement),
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);
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}
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async show() {
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const menu = this.element;
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if (menu.open) {
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return;
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}
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const opened = new Promise((resolve) => {
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menu.addEventListener(
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'opened',
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() => {
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resolve(true);
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},
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{once: true},
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);
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});
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menu.show();
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await opened;
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}
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}
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