Added missing isPresent command in new Element API

lib/api/web-element/commands/isPresent.js

@@ -0,0 +1,31 @@
+/**
+ * Checks if the element is present in the DOM.
+ *
+ * For more info on working with DOM elements in Nightwatch, refer to the <a href="https://nightwatchjs.org/guide/writing-tests/finding-interacting-with-dom-elements.html">Finding & interacting with DOM Elements</a> guide page.
+ *
+ * @example
+ * describe('isPresent Demo', function() {
+ *   it('test isPresent', function(browser) {
+ *     browser.element('#search')
+ *       .isPresent()
+ *       .assert.equals(true);
+ *   });
+ *
+ *   it('test async isPresent', async function(browser) {
+ *     const result = await browser.element('#search').isPresent();
+ *     browser.assert.equal(result, true);
+ *   });
+ * });
+ *
+ * @since 3.0.0
+ * @method isPresent
+ * @memberof ScopedWebElement
+ * @instance
+ * @syntax browser.element(selector).isPresent()
+ * @see https://www.w3.org/TR/webdriver/#is-element-present
+ * @returns {ScopedValue<boolean>}
+ */
+
+module.exports.command = function () {
+  return this.runQueuedCommandScoped('isElementPresent');
+};

lib/transport/selenium-webdriver/method-mappings.js

@@ -4,6 +4,7 @@ const NightwatchLocator = require('../../element/locator-factory.js');
 const {isString} = require('../../utils');
 const fs = require('fs');
 const cdp = require('./cdp.js');
+const {ShadowRoot} = require('selenium-webdriver/lib/webdriver');
 
 module.exports = class MethodMappings {
   get driver() {
@@ -576,6 +577,12 @@ module.exports = class MethodMappings {
           return value;
         },
 
+        async isElementPresent(webElementOrId) {
+          const element = await this.getWebElement(webElementOrId);
+
+          return element instanceof WebElement || element instanceof ShadowRoot;
+        },
+
         async isElementSelected(webElementOrId) {
           const element = this.getWebElement(webElementOrId);
           const value = await element.isSelected();

test/src/api/commands/web-element/testIsPresent.js

@@ -0,0 +1,100 @@
+const assert = require('assert');
+const {WebElement} = require('selenium-webdriver');
+const MockServer = require('../../../../lib/mockserver.js');
+const CommandGlobals = require('../../../../lib/globals/commands-w3c.js');
+const common = require('../../../../common.js');
+const Element = common.require('element/index.js');
+
+describe('element().isPresent() command', function () {
+  before(function (done) {
+    CommandGlobals.beforeEach.call(this, done);
+  });
+
+  after(function (done) {
+    CommandGlobals.afterEach.call(this, done);
+  });
+
+  it('test .element().isPresent()', async function () {
+    MockServer.addMock({
+      url: '/session/13521-10219-202/element/0/property/present',
+      method: 'GET',
+      response: JSON.stringify({
+        value: true
+      })
+    }, true);
+
+    const resultPromise = this.client.api.element('#signupSection').isPresent();
+    assert.strictEqual(resultPromise instanceof Element, false);
+    assert.strictEqual(typeof resultPromise.find, 'undefined');
+
+    assert.strictEqual(resultPromise instanceof Promise, false);
+    assert.strictEqual(typeof resultPromise.then, 'function');
+
+    const result = await resultPromise;
+    assert.strictEqual(result instanceof WebElement, false);
+    assert.strictEqual(result, true);
+  });
+
+  it('test .element().find().isPresent()', async function () {
+    MockServer.addMock({
+      url: '/session/13521-10219-202/element/1/property/present',
+      method: 'GET',
+      response: JSON.stringify({
+        value: true
+      })
+    }, true);
+
+    const resultPromise = this.client.api.element('#signupSection').find('#helpBtn').isPresent();
+    assert.strictEqual(resultPromise instanceof Element, false);
+    assert.strictEqual(typeof resultPromise.find, 'undefined');
+
+    assert.strictEqual(resultPromise instanceof Promise, false);
+    assert.strictEqual(typeof resultPromise.then, 'function');
+
+    const result = await resultPromise;
+    assert.strictEqual(result instanceof WebElement, false);
+    assert.strictEqual(result, true);
+  });
+
+  it('test .element.find().isPresent()', async function () {
+    MockServer.addMock({
+      url: '/session/13521-10219-202/element/0/property/present',
+      method: 'GET',
+      response: JSON.stringify({
+        value: true
+      })
+    }, true);
+
+    const resultPromise = this.client.api.element.find('#signupSection').isPresent();
+    assert.strictEqual(resultPromise instanceof Element, false);
+    assert.strictEqual(typeof resultPromise.find, 'undefined');
+
+    assert.strictEqual(resultPromise instanceof Promise, false);
+    assert.strictEqual(typeof resultPromise.then, 'function');
+
+    const result = await resultPromise;
+    assert.strictEqual(result instanceof WebElement, false);
+    assert.strictEqual(result, true);
+  });
+
+  it('test .element().isPresent() assert', async function () {
+    MockServer.addMock({
+      url: '/session/13521-10219-202/element/0/property/present',
+      method: 'GET',
+      response: JSON.stringify({
+        value: true
+      })
+    }, true);
+
+    const resultPromise = this.client.api.element('#signupSection').isPresent();
+    assert.strictEqual(resultPromise instanceof Element, false);
+    assert.strictEqual(typeof resultPromise.find, 'undefined');
+
+    assert.strictEqual(resultPromise instanceof Promise, false);
+    assert.strictEqual(typeof resultPromise.then, 'function');
+
+    assert.strictEqual(await resultPromise.assert.equals(true), true);
+    assert.strictEqual(await resultPromise.assert.not.equals(false), true);
+  });
+
+});

types/tests/webElement.test-d.ts

@@ -141,6 +141,8 @@ describe('new element() api', function () {
     expectType<ElementValue<string | null>>(elem.getAttribute('attrib-name'));
     expectType<ElementValue<string | null>>(elem.getValue());
     expectType<ElementValue<boolean>>(elem.isEnabled());
+    expectType<ElementValue<boolean>>(elem.isPresent());
+
 
     expectType<ElementValue<ScopedElementRect>>(elem.getRect());
     expectType<ElementValue<ScopedElementRect>>(elem.getSize());

types/web-element.d.ts

@@ -192,6 +192,8 @@ export interface ScopedElement extends Element, PromiseLike<WebElement> {
   waitUntil(signalOrOptions: WaitUntilActions | WaitUntilOptions, waitOptions?: WaitUntilOptions): Promise<WebElement>;
 
   isEnabled(): ElementValue<boolean>;
+
+  isPresent(): ElementValue<boolean>;
 }
 
 type WaitUntilOptions = {