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// @vitest-environment jsdom
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import { tick } from 'svelte';
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import { afterEach, describe, expect, it, vi } from 'vitest';
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import { createActiveDom } from '$adom';
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import { state } from '$libs/reactive';
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import type { Morfo } from '$uix/morfo';
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import { Soma } from '$soma/core/soma.svelte';
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import { createSomaRuntime, type SomaRuntimeSources } from '$soma/runtime.svelte';
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import {
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TabsContentProvider,
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TabsIndicatorProvider,
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TabsListProvider,
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TabsProvider,
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TabsTriggerProvider
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} from './tabs-provider.svelte';
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function withEffectRoot<T>(fn: () => T): { result: T; cleanup: () => void } {
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let result!: T;
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const cleanup = $effect.root(() => {
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result = fn();
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});
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return { result, cleanup };
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}
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function installSomaHarness() {
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const dom = createActiveDom();
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const soma = {
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dom,
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runtime: (morfo: Morfo, sources: Omit<SomaRuntimeSources, 'dom' | 'eventEngine'>) =>
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createSomaRuntime(morfo, {
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dom,
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translate: (key) => key,
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...sources
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})
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} as unknown as Soma;
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vi.spyOn(Soma, 'require').mockReturnValue(soma);
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vi.spyOn(TabsProvider.ctx, 'set').mockImplementation((value) => value);
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return { dom };
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}
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function createRoot() {
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const root = document.createElement('div');
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root.setAttribute('data-tabs', '');
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document.body.appendChild(root);
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return root;
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}
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function createTriggerEl(value: string, disabled = false) {
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const trigger = document.createElement('button');
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trigger.setAttribute('data-tabs-trigger', '');
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trigger.setAttribute('data-value', value);
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if (disabled) trigger.setAttribute('disabled', '');
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return trigger;
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}
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function createContentEl(value: string) {
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const content = document.createElement('div');
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content.setAttribute('data-tabs-content', '');
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content.setAttribute('data-value', value);
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return content;
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}
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function tabsOpts(root = createRoot()) {
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return {
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id: state('tabs-root'),
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ref: state<HTMLElement | null>(root),
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value: state('account'),
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orientation: state<'horizontal' | 'vertical'>('horizontal'),
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activationMode: state<'automatic' | 'manual'>('automatic'),
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disabled: state(false),
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loop: state(true),
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dir: state<'ltr' | 'rtl'>('ltr'),
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onFocusChange: state<(value: string) => void>(() => undefined)
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};
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}
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function triggerOpts(id: string, value: string, el: HTMLElement, disabled = false) {
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return {
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id: state(id),
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ref: state<HTMLElement | null>(el),
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value: state(value),
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disabled: state(disabled)
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};
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}
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function contentOpts(id: string, value: string, el: HTMLElement) {
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return {
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id: state(id),
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ref: state<HTMLElement | null>(el),
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value: state(value)
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};
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}
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function keyEvent(key: string, currentTarget: HTMLElement) {
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return {
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key,
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currentTarget,
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preventDefault: vi.fn()
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};
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}
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function focusEvent(currentTarget: HTMLElement): FocusEvent {
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return { currentTarget } as unknown as FocusEvent;
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}
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describe('TabsProvider', () => {
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afterEach(() => {
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vi.restoreAllMocks();
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document.body.innerHTML = '';
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});
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it('registers parts and exposes active trigger/content props', () => {
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const { dom } = installSomaHarness();
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const root = createRoot();
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const accountTriggerEl = createTriggerEl('account');
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const profileTriggerEl = createTriggerEl('profile');
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const accountContentEl = createContentEl('account');
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const profileContentEl = createContentEl('profile');
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root.append(accountTriggerEl, profileTriggerEl, accountContentEl, profileContentEl);
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const opts = tabsOpts(root);
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const { result, cleanup } = withEffectRoot(() => {
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const provider = TabsProvider.create(opts);
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vi.spyOn(TabsProvider, 'require').mockReturnValue(provider);
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const list = TabsListProvider.create({
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id: state('tabs-list'),
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ref: state<HTMLElement | null>(document.createElement('div'))
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});
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const accountTrigger = TabsTriggerProvider.create(
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triggerOpts('tabs-trigger-account', 'account', accountTriggerEl)
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);
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const profileTrigger = TabsTriggerProvider.create(
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triggerOpts('tabs-trigger-profile', 'profile', profileTriggerEl)
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);
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const accountContent = TabsContentProvider.create(
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contentOpts('tabs-content-account', 'account', accountContentEl)
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);
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const profileContent = TabsContentProvider.create(
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contentOpts('tabs-content-profile', 'profile', profileContentEl)
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);
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const indicator = TabsIndicatorProvider.create({
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id: state('tabs-indicator'),
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ref: state<HTMLElement | null>(document.createElement('div'))
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});
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return {
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provider,
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list,
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accountTrigger,
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profileTrigger,
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accountContent,
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profileContent,
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indicator
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};
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});
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expect(result.provider.props).toMatchObject({
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id: 'tabs-root',
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'data-tabs': '',
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dir: 'ltr'
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});
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expect(result.list.props).toMatchObject({
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id: 'tabs-list',
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'data-tabs-list': ''
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});
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expect(result.indicator.props).toMatchObject({
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id: 'tabs-indicator',
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'data-tabs-indicator': ''
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});
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expect(result.provider.triggerIds).toMatchObject({
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account: 'tabs-trigger-account',
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profile: 'tabs-trigger-profile'
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});
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expect(result.provider.contentIds).toMatchObject({
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account: 'tabs-content-account',
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profile: 'tabs-content-profile'
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});
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expect(result.accountTrigger.props).toMatchObject({
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tabindex: 0,
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'data-value': 'account',
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disabled: undefined
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});
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expect(result.profileTrigger.props.tabindex).toBe(-1);
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expect(result.accountContent.props).toMatchObject({
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tabindex: 0,
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hidden: undefined
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});
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expect(result.profileContent.props).toMatchObject({
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tabindex: -1,
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hidden: true
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});
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cleanup();
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dom.dispose();
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});
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it('supports automatic focus activation and manual keyboard activation', () => {
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const { dom } = installSomaHarness();
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const root = createRoot();
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const accountTriggerEl = createTriggerEl('account');
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const profileTriggerEl = createTriggerEl('profile');
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root.append(accountTriggerEl, profileTriggerEl);
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const opts = tabsOpts(root);
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const onFocusChange = vi.fn();
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opts.onFocusChange.current = onFocusChange;
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const { result, cleanup } = withEffectRoot(() => {
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const provider = TabsProvider.create(opts);
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vi.spyOn(TabsProvider, 'require').mockReturnValue(provider);
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const accountTrigger = TabsTriggerProvider.create(
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triggerOpts('tabs-trigger-account', 'account', accountTriggerEl)
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);
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const profileTrigger = TabsTriggerProvider.create(
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triggerOpts('tabs-trigger-profile', 'profile', profileTriggerEl)
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);
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return { accountTrigger, profileTrigger };
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});
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result.profileTrigger.onfocus(focusEvent(profileTriggerEl));
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expect(onFocusChange).toHaveBeenCalledWith('profile');
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expect(opts.value.current).toBe('profile');
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opts.value.current = 'account';
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opts.activationMode.current = 'manual';
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result.profileTrigger.onfocus(focusEvent(profileTriggerEl));
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expect(onFocusChange).toHaveBeenLastCalledWith('profile');
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expect(opts.value.current).toBe('account');
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const enter = keyEvent('Enter', profileTriggerEl);
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result.profileTrigger.onkeydown(enter as never);
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expect(enter.preventDefault).toHaveBeenCalledOnce();
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expect(opts.value.current).toBe('profile');
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result.accountTrigger.onclick({ currentTarget: accountTriggerEl } as never);
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expect(opts.value.current).toBe('account');
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cleanup();
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dom.dispose();
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});
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it('moves focus with roving keyboard navigation and skips disabled triggers', () => {
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const { dom } = installSomaHarness();
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const focusSpy = vi.spyOn(dom, 'focus');
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const root = createRoot();
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const accountTriggerEl = createTriggerEl('account');
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const disabledTriggerEl = createTriggerEl('disabled', true);
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const profileTriggerEl = createTriggerEl('profile');
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root.append(accountTriggerEl, disabledTriggerEl, profileTriggerEl);
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const opts = tabsOpts(root);
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opts.activationMode.current = 'manual';
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const { result, cleanup } = withEffectRoot(() => {
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const provider = TabsProvider.create(opts);
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vi.spyOn(TabsProvider, 'require').mockReturnValue(provider);
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const accountTrigger = TabsTriggerProvider.create(
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triggerOpts('tabs-trigger-account', 'account', accountTriggerEl)
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);
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const disabledTrigger = TabsTriggerProvider.create(
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triggerOpts('tabs-trigger-disabled', 'disabled', disabledTriggerEl, true)
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);
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const profileTrigger = TabsTriggerProvider.create(
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triggerOpts('tabs-trigger-profile', 'profile', profileTriggerEl)
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);
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return { accountTrigger, disabledTrigger, profileTrigger };
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});
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expect(result.disabledTrigger.props.disabled).toBe(true);
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const next = keyEvent('ArrowRight', accountTriggerEl);
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result.accountTrigger.onkeydown(next as never);
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expect(next.preventDefault).toHaveBeenCalledOnce();
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expect(focusSpy).toHaveBeenCalledWith(profileTriggerEl);
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const home = keyEvent('Home', profileTriggerEl);
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result.profileTrigger.onkeydown(home as never);
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expect(home.preventDefault).toHaveBeenCalledOnce();
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expect(focusSpy).toHaveBeenLastCalledWith(accountTriggerEl);
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const end = keyEvent('End', accountTriggerEl);
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result.accountTrigger.onkeydown(end as never);
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expect(end.preventDefault).toHaveBeenCalledOnce();
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expect(focusSpy).toHaveBeenLastCalledWith(profileTriggerEl);
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cleanup();
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dom.dispose();
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});
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it('keeps the first enabled trigger tabbable when the active value is missing', async () => {
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const { dom } = installSomaHarness();
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const root = createRoot();
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const accountTriggerEl = createTriggerEl('account');
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const profileTriggerEl = createTriggerEl('profile');
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root.append(accountTriggerEl, profileTriggerEl);
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const opts = tabsOpts(root);
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opts.value.current = 'missing';
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const { result, cleanup } = withEffectRoot(() => {
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const provider = TabsProvider.create(opts);
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vi.spyOn(TabsProvider, 'require').mockReturnValue(provider);
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const accountTrigger = TabsTriggerProvider.create(
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triggerOpts('tabs-trigger-account', 'account', accountTriggerEl)
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);
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const profileTrigger = TabsTriggerProvider.create(
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triggerOpts('tabs-trigger-profile', 'profile', profileTriggerEl)
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);
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return { accountTrigger, profileTrigger };
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});
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expect(result.accountTrigger.props.tabindex).toBe(0);
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expect(result.profileTrigger.props.tabindex).toBe(-1);
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opts.value.current = 'profile';
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await tick();
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expect(result.accountTrigger.props.tabindex).toBe(-1);
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expect(result.profileTrigger.props.tabindex).toBe(0);
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cleanup();
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dom.dispose();
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});
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});
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