How to use axNodeFromProtocol method in Playwright Internal

Best JavaScript code snippet using playwright-internal

accessibility.js

Source:accessibility.js Github

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...18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.19 * See the License for the specific language governing permissions and20 * limitations under the License.21 */​22function axNodeFromProtocol(axNode) {23 const result = { ...axNode,24 value: axNode.valueNumber !== undefined ? axNode.valueNumber : axNode.valueString,25 checked: axNode.checked === 'checked' ? true : axNode.checked === 'unchecked' ? false : axNode.checked,26 pressed: axNode.pressed === 'pressed' ? true : axNode.pressed === 'released' ? false : axNode.pressed,27 children: axNode.children ? axNode.children.map(axNodeFromProtocol) : undefined28 };29 delete result.valueNumber;30 delete result.valueString;31 return result;32}33class Accessibility {34 constructor(channel) {35 this._channel = void 0;36 this._channel = channel;37 }38 async snapshot(options = {}) {39 const root = options.root ? options.root._elementChannel : undefined;40 const result = await this._channel.accessibilitySnapshot({41 interestingOnly: options.interestingOnly,42 root43 });44 return result.rootAXNode ? axNodeFromProtocol(result.rootAXNode) : null;45 }46}...

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Using AI Code Generation

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1const { axNodeFromProtocol } = require('playwright/​lib/​server/​inspector');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const handle = await page.$('text=Get started');8 const axNode = await axNodeFromProtocol(handle._remoteObject);9 console.log(axNode);10 await browser.close();11})();12{13 {

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Using AI Code Generation

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1const { axNodeFromProtocol, chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const axNode = await axNodeFromProtocol(page, await page.accessibility.snapshot());6 console.log(axNode);7 await browser.close();8})();9{10 {11 {

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Using AI Code Generation

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1const { axNodeFromProtocol } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 const handle = await page.$('input[name="q"]');7 const axNode = await axNodeFromProtocol(handle);8 console.log(axNode);9 await browser.close();10})();11{12}13const { chromium } = require('playwright');14(async () => {15 const browser = await chromium.launch();16 const page = await browser.newPage();17 const handle = await page.$('input[name="q"]');18 const axNode = await axNodeFromProtocol(handle);19 console.log(axNode);20 await browser.close();21})();22{

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Using AI Code Generation

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1const { axNodeFromProtocol } = require('playwright/​lib/​server/​chromium/​crAccessibility.js');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const { nodeId } = await page._delegate._mainFrameSession._client.send('DOM.getDocument');8 const { backendNodeId } = await page._delegate._mainFrameSession._client.send('DOM.requestNode', { objectId: nodeId });9 const { nodeId: axNodeId } = await page._delegate._mainFrameSession._client.send('Accessibility.getPartialAXTree', { backendNodeId, fetchRelatives: true });10 const { nodes } = await page._delegate._mainFrameSession._client.send('Accessibility.getAXNode', { nodeId: axNodeId });11 const axNode = await axNodeFromProtocol(nodes[0]);12 console.log(axNode.role);13 await browser.close();14})();

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Using AI Code Generation

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1const { axNodeFromProtocol } = require('playwright-core/​lib/​server/​axObject.js');2const { AXNode } = require('playwright-core/​lib/​server/​axNode.js');3const { Protocol } = require('playwright-core/​lib/​server/​protocol.js');4const protocol = new Protocol();5const axNode = axNodeFromProtocol(protocol, {6});7const node = new AXNode(axNode, null);8console.log(node);

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { axNodeFromProtocol } = require('playwright/​internal/​protocol-accessor');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const client = await page.context().newCDPSession(page);8 const { root } = await client.send('Accessibility.getFullAXTree');9 const rootNode = axNodeFromProtocol(root);10 console.log(rootNode);11 await browser.close();12})();13AccessibilityNode {14 AccessibilityNode {15 AccessibilityNode {

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Using AI Code Generation

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1const { Playwright } = require("playwright");2const playwright = new Playwright();3const { axNodeFromProtocol } = playwright._internal;4const { Accessibility } = require("playwright");5const { AccessibilityImpl } = Accessibility;6const { AccessibilitySnapshot } = AccessibilityImpl;7const { AccessibilityNode } = AccessibilitySnapshot;8const node = axNodeFromProtocol({9});10console.log(node.role);11console.log(node.name);12console.log(node.value);13console.log(node.description);14console.log(node.keyshortcuts);15console.log(node.roledescription);16console.log(node.valuetext);17console.log(node.disabled);18console.log(node.expanded);19console.log(node.focused);20console.log(node.modal);21console.log(node.multiline);22console.log(node.multiselectable);23console.log(node.readonly);24console.log(node.required);25console.log(node.selected);26console.log(node.checked);27console.log(node.pressed);28console.log(node.level);29console.log(node.valuemin);30console.log(node.valuemax);31console.log(node.autocomplete);32console.log(node.haspopup);33console.log(node.invalid);34console.log(node.orientation);35console.log(node.children);36console.log(node.bounds);37console.log(node.source);38{ x: 0, y: 0, width: 0, height: 0 }

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Using AI Code Generation

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1const { axNodeFromProtocol } = require('playwright/​lib/​server/​accessible');2const node = axNodeFromProtocol({3});4console.log(node);5console.log(node.role);6console.log(node.name);7console.log(node.value);

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Using AI Code Generation

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1const { axNodeFromProtocol } = require('playwright-core/​lib/​server/​protocol.js');2const { AXNode } = require('playwright-core/​lib/​server/​axNode.js');3const { Accessibility } = require('playwright-core/​lib/​server/​accessibility.js');4const { AccessibilityImpl } = require('playwright-core/​lib/​server/​accessibilityImpl.js');5const { AccessibilityImpl } = require('playwright-core/​lib/​server/​accessibilityImpl.js');6const { AccessibilityImpl } = require('playwright-core/​lib/​server/​accessibilityImpl.js');7const { AccessibilityImpl } = require('playwright-core/​lib/​server/​accessibilityImpl.js');8const { AccessibilityImpl } = require('playwright-core/​lib/​server/​accessibilityImpl.js');9const { AccessibilityImpl } = require('playwright-core/​lib/​server/​accessibilityImpl.js');10const { AccessibilityImpl } = require('playwright-core/​lib/​server/​accessibilityImpl.js');11const { AccessibilityImpl } = require('playwright-core/​lib/​server/​accessibilityImpl.js');12const {

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StackOverFlow community discussions

Questions
Discussion

Jest + Playwright - Test callbacks of event-based DOM library

Running Playwright in Azure Function

How to run a list of test suites in a single file concurrently in jest?

firefox browser does not start in playwright

firefox browser does not start in playwright

Is it possible to get the selector from a locator object in playwright?

This question is quite close to a "need more focus" question. But let's try to give it some focus:

Does Playwright has access to the cPicker object on the page? Does it has access to the window object?

Yes, you can access both cPicker and the window object inside an evaluate call.

Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?

Exactly, or you can assign values to a javascript variable:

const cPicker = new ColorPicker({
  onClickOutside(e){
  },
  onInput(color){
    window['color'] = color;
  },
  onChange(color){
    window['result'] = color;
  }
})

And then

it('Should call all callbacks with correct arguments', async() => {
    await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})

    // Wait until the next frame
    await page.evaluate(() => new Promise(requestAnimationFrame))

    // Act
   
    // Assert
    const result = await page.evaluate(() => window['color']);
    // Check the value
})
https://stackoverflow.com/questions/65477895/jest-playwright-test-callbacks-of-event-based-dom-library

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