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How to use getNodeInComposedTree method in wpt

Best JavaScript code snippet using wpt

focus-utils.js

Source:focus-utils.js

...31  }32  return element;33}34function isInnermostActiveElement(path) {35  const element = getNodeInComposedTree(path);36  if (!element)37    return false;38  return element === innermostActiveElement();39}40async function shouldNavigateFocus(fromElement, direction) {41  if (!fromElement)42    return false;43  fromElement.focus();44  if (fromElement !== innermostActiveElement())45    return false;46  if (direction == 'forward')47    await navigateFocusForward();48  else49    await navigateFocusBackward();50  return true;51}52async function assert_focus_navigation_element(fromPath, toPath, direction) {53  const fromElement = getNodeInComposedTree(fromPath);54  const result = await shouldNavigateFocus(fromElement, direction);55  assert_true(result, 'Failed to focus ' + fromPath);56  const message =57    `Focus should move ${direction} from ${fromPath} to ${toPath}`;58  const toElement = getNodeInComposedTree(toPath);59  assert_equals(innermostActiveElement(), toElement, message);60}61async function assert_focus_navigation_elements(elements, direction) {62  assert_true(63    elements.length >= 2,64    'length of elements should be greater than or equal to 2.');65  for (var i = 0; i + 1 < elements.length; ++i)66    await assert_focus_navigation_element(elements[i], elements[i + 1], direction);67}68async function assert_focus_navigation_forward(elements) {69  return assert_focus_navigation_elements(elements, 'forward');70}71async function assert_focus_navigation_backward(elements) {72  return assert_focus_navigation_elements(elements, 'backward');...

Using AI Code Generation

1describe('getNodeInComposedTree', function() {2    var d = document;3    function testNode(node, expected) {4        var actual = wpt.getNodeInComposedTree(node);5        assert_equals(actual, expected);6    }7    test(function() {8        var shadowHost = d.createElement('div');9        var shadowRoot = shadowHost.attachShadow({mode: 'open'});10        var shadowChild = d.createElement('div');11        shadowRoot.appendChild(shadowChild);12        testNode(shadowChild, shadowChild);13        var shadowHostInComposedTree = d.createElement('div');14        var shadowRoot2 = shadowHostInComposedTree.attachShadow({mode: 'open'});15        var shadowChild2 = d.createElement('div');16        shadowRoot2.appendChild(shadowChild2);17        var parent = d.createElement('div');18        parent.appendChild(shadowHostInComposedTree);19        testNode(shadowChild2, shadowChild2);20        var shadowHostInComposedTree2 = d.createElement('div');21        var shadowRoot3 = shadowHostInComposedTree2.attachShadow({mode: 'open'});22        var shadowChild3 = d.createElement('div');23        shadowRoot3.appendChild(shadowChild3);24        var parent2 = d.createElement('div');25        parent2.appendChild(shadowHostInComposedTree2);26        testNode(shadowChild3, shadowChild3);27    }, 'Shadow DOM');28    test(function() {29        var shadowHostInComposedTree = d.createElement('div');30        var shadowRoot2 = shadowHostInComposedTree.attachShadow({mode: 'open'});31        var shadowChild2 = d.createElement('div');32        shadowRoot2.appendChild(shadowChild2);33        var parent = d.createElement('div');34        parent.appendChild(shadowHostInComposedTree);35        var shadowHostInComposedTree2 = d.createElement('div');36        var shadowRoot3 = shadowHostInComposedTree2.attachShadow({mode: 'open'});37        var shadowChild3 = d.createElement('div');38        shadowRoot3.appendChild(shadowChild3);39        var parent2 = d.createElement('div');40        parent2.appendChild(sh

Using AI Code Generation

1'use strict';2const {getNodeInComposedTree} = ShadowDOMPolyfill;3const {assert, expect} = chai;4describe('getNodeInComposedTree', function() {5  var host, shadowRoot, child, slot, distributedChild;6  beforeEach(function() {7    host = document.createElement('div');8    shadowRoot = host.createShadowRoot();9    child = document.createElement('div');10    shadowRoot.appendChild(child);11    slot = document.createElement('slot');12    shadowRoot.appendChild(slot);13    distributedChild = document.createElement('div');14    slot.appendChild(distributedChild);15    document.body.appendChild(host);16  });17  it('should return the distributed node', function() {18    assert.equal(getNodeInComposedTree(child), distributedChild);19  });20  it('should return the node itself if not distributed', function() {21    assert.equal(getNodeInComposedTree(shadowRoot), shadowRoot);22  });23  it('should return null if the node itself is not in a tree', function() {24    host.remove();25    assert.isNull(getNodeInComposedTree(host));26  });27  it('should return null if the node is not in a tree', function() {28    child.remove();29    assert.isNull(getNodeInComposedTree(child));30  });31  it('should return null if the node is not in a tree', function() {32    slot.remove();33    assert.isNull(getNodeInComposedTree(slot));34  });35  it('should return null if the node is not in a tree', function() {36    distributedChild.remove();37    assert.isNull(getNodeInComposedTree(distributedChild));38  });39  it('should return null if the node is not in a tree', function() {40    shadowRoot.remove();41    assert.isNull(getNodeInComposedTree(shadowRoot));42  });43  it('should return null if the node is not in a tree', function() {44    document.body.remove();45    assert.isNull(getNodeInComposedTree(document.body));46  });47});

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