device-navigation/dist/nav-controller/mock-nav-controller.js

Navigate HTML elements in two dimensions with non-pointer devices.

import { assert } from '@augment-vir/assert';
import { makeWritable } from '@augment-vir/common';
import { html } from 'element-vir';
import { NavController } from './nav-controller.js';
/**
 * Creates a mock {@link NavController} instance and attaches the callback's output template to it.
 *
 * @category Util
 */
export async function createMockNavController(templateCallback) {
    const { testWeb } = await import('@augment-vir/test');
    const navController = new NavController(undefined);
    const fixture = await testWeb.render(html `
        <div>${templateCallback(navController)}</div>
    `);
    assert.instanceOf(fixture, HTMLElement);
    makeWritable(navController).rootElement = fixture;
    return {
        fixture,
        navController,
    };
}