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How to use getPossibleStandardName method in Playwright Internal

Best JavaScript code snippet using playwright-internal

DOMProperty.js

1"use strict";2function r(e, t) {3    return (e & t) === t;4}5var o = require("./invariant"), i = {6    MUST_USE_ATTRIBUTE: 1,7    MUST_USE_PROPERTY: 2,8    HAS_SIDE_EFFECTS: 4,9    HAS_BOOLEAN_VALUE: 8,10    HAS_NUMERIC_VALUE: 16,11    HAS_POSITIVE_NUMERIC_VALUE: 48,12    HAS_OVERLOADED_BOOLEAN_VALUE: 64,13    injectDOMPropertyConfig: function(e) {14        var t = e.Properties || {}, n = e.DOMAttributeNames || {}, s = e.DOMPropertyNames || {}, u = e.DOMMutationMethods || {};15        if (e.isCustomAttribute) {16            a._isCustomAttributeFunctions.push(e.isCustomAttribute)17        };18        for (var l in t) {19            o(!a.isStandardName.hasOwnProperty(l));20            a.isStandardName[l] = true;21            var c = l.toLowerCase();22            a.getPossibleStandardName[c] = l;23            if (n.hasOwnProperty(l)) {24                var p = n[l];25                a.getPossibleStandardName[p] = l;26                a.getAttributeName[l] = p;27            } else {28                a.getAttributeName[l] = c;29            }30            if (s.hasOwnProperty(l)) {31                a.getPropertyName[l] = s[l];32            } else {33                a.getPropertyName[l] = l;34            }35            if (u.hasOwnProperty(l)) {36                a.getMutationMethod[l] = u[l];37            } else {38                a.getMutationMethod[l] = null;39            }40            var d = t[l];41            a.mustUseAttribute[l] = r(d, i.MUST_USE_ATTRIBUTE);42            a.mustUseProperty[l] = r(d, i.MUST_USE_PROPERTY);43            a.hasSideEffects[l] = r(d, i.HAS_SIDE_EFFECTS);44            a.hasBooleanValue[l] = r(d, i.HAS_BOOLEAN_VALUE);45            a.hasNumericValue[l] = r(d, i.HAS_NUMERIC_VALUE);46            a.hasPositiveNumericValue[l] = r(d, i.HAS_POSITIVE_NUMERIC_VALUE);47            a.hasOverloadedBooleanValue[l] = r(d, i.HAS_OVERLOADED_BOOLEAN_VALUE);48            o(!a.mustUseAttribute[l] || !a.mustUseProperty[l]);49            o(a.mustUseProperty[l] || !a.hasSideEffects[l]);50            o(!!a.hasBooleanValue[l] + !!a.hasNumericValue[l] + !!a.hasOverloadedBooleanValue[l] <= 1);51        }52    }53}, s = {}, a = {54    ID_ATTRIBUTE_NAME: "data-reactid",55    isStandardName: {},56    getPossibleStandardName: {},57    getAttributeName: {},58    getPropertyName: {},59    getMutationMethod: {},60    mustUseAttribute: {},61    mustUseProperty: {},62    hasSideEffects: {},63    hasBooleanValue: {},64    hasNumericValue: {},65    hasPositiveNumericValue: {},66    hasOverloadedBooleanValue: {},67    _isCustomAttributeFunctions: [],68    isCustomAttribute: function(e) {69        for (var t = 0; t < a._isCustomAttributeFunctions.length; t++) {70            var n = a._isCustomAttributeFunctions[t];71            if (n(e)) {72                return true;73            }74        }75        return false;76    },77    getDefaultValueForProperty: function(e, t) {78        var n, r = s[e];79        if (!r) {80            s[e] = r = {}81        };82        if (!(t in r)) {83            n = document.createElement(e);84            r[t] = n[t];85        };86        return r[t];87    },88    injection: i89};...

ReactDOMInvalidARIAHook.js

Source: ReactDOMInvalidARIAHook.js

1/**2 * Copyright 2013-present, Facebook, Inc.3 * All rights reserved.4 *5 * This source code is licensed under the BSD-style license found in the6 * LICENSE file in the root directory of this source tree. An additional grant7 * of patent rights can be found in the PATENTS file in the same directory.8 *9 * @providesModule ReactDOMInvalidARIAHook10 */11'use strict';12var DOMProperty = require('DOMProperty');13var ReactComponentTreeHook = require('ReactComponentTreeHook');14var warning = require('warning');15var warnedProperties = {};16var rARIA = new RegExp('^(aria)-[' + DOMProperty.ATTRIBUTE_NAME_CHAR + ']*$');17function validateProperty(tagName, name, debugID) {18  if (19    warnedProperties.hasOwnProperty(name)20    && warnedProperties[name]21  ) {22    return true;23  }24  if (rARIA.test(name)) {25    var lowerCasedName = name.toLowerCase();26    var standardName =27      DOMProperty.getPossibleStandardName.hasOwnProperty(lowerCasedName) ?28        DOMProperty.getPossibleStandardName[lowerCasedName] :29        null;30    // If this is an aria-* attribute, but is not listed in the known DOM31    // DOM properties, then it is an invalid aria-* attribute.32    if (standardName == null) {33      warnedProperties[name] = true;34      return false;35    }36    // aria-* attributes should be lowercase; suggest the lowercase version.37    if (name !== standardName) {38      warning(39        false,40        'Unknown ARIA attribute %s. Did you mean %s?%s',41        name,42        standardName,43        ReactComponentTreeHook.getStackAddendumByID(debugID)44      );45      warnedProperties[name] = true;46      return true;47    }48  }49  return true;50}51function warnInvalidARIAProps(debugID, element) {52  const invalidProps = [];53  for (var key in element.props) {54    var isValid = validateProperty(element.type, key, debugID);55    if (!isValid) {56      invalidProps.push(key);57    }58  }59  const unknownPropString = invalidProps60    .map(prop => '`' + prop + '`')61    .join(', ');62  if (invalidProps.length === 1) {63    warning(64      false,65      'Invalid aria prop %s on <%s> tag. ' +66      'For details, see https://fb.me/invalid-aria-prop%s',67      unknownPropString,68      element.type,69      ReactComponentTreeHook.getStackAddendumByID(debugID)70    );71  } else if (invalidProps.length > 1) {72    warning(73      false,74      'Invalid aria props %s on <%s> tag. ' +75      'For details, see https://fb.me/invalid-aria-prop%s',76      unknownPropString,77      element.type,78      ReactComponentTreeHook.getStackAddendumByID(debugID)79    );80  }81}82function handleElement(debugID, element) {83  if (element == null || typeof element.type !== 'string') {84    return;85  }86  if (element.type.indexOf('-') >= 0 || element.props.is) {87    return;88  }89  warnInvalidARIAProps(debugID, element);90}91var ReactDOMInvalidARIAHook = {92  onBeforeMountComponent(debugID, element) {93    if (__DEV__) {94      handleElement(debugID, element);95    }96  },97  onBeforeUpdateComponent(debugID, element) {98    if (__DEV__) {99      handleElement(debugID, element);100    }101  },102};...

ReactDOMUnknownPropertyDevtool.js

Source: ReactDOMUnknownPropertyDevtool.js

1/**2 * Copyright 2013-present, Facebook, Inc.3 * All rights reserved.4 *5 * This source code is licensed under the BSD-style license found in the6 * LICENSE file in the root directory of this source tree. An additional grant7 * of patent rights can be found in the PATENTS file in the same directory.8 *9 * @providesModule ReactDOMUnknownPropertyDevtool10 */11'use strict';12var DOMProperty = require('DOMProperty');13var EventPluginRegistry = require('EventPluginRegistry');14var warning = require('warning');15if (__DEV__) {16  var reactProps = {17    children: true,18    dangerouslySetInnerHTML: true,19    key: true,20    ref: true,21  };22  var warnedProperties = {};23  var warnUnknownProperty = function(name) {24    if (DOMProperty.properties.hasOwnProperty(name) || DOMProperty.isCustomAttribute(name)) {25      return;26    }27    if (reactProps.hasOwnProperty(name) && reactProps[name] ||28        warnedProperties.hasOwnProperty(name) && warnedProperties[name]) {29      return;30    }31    warnedProperties[name] = true;32    var lowerCasedName = name.toLowerCase();33    // data-* attributes should be lowercase; suggest the lowercase version34    var standardName = (35      DOMProperty.isCustomAttribute(lowerCasedName) ?36        lowerCasedName :37      DOMProperty.getPossibleStandardName.hasOwnProperty(lowerCasedName) ?38        DOMProperty.getPossibleStandardName[lowerCasedName] :39        null40    );41    // For now, only warn when we have a suggested correction. This prevents42    // logging too much when using transferPropsTo.43    warning(44      standardName == null,45      'Unknown DOM property %s. Did you mean %s?',46      name,47      standardName48    );49    var registrationName = (50      EventPluginRegistry.possibleRegistrationNames.hasOwnProperty(51        lowerCasedName52      ) ?53      EventPluginRegistry.possibleRegistrationNames[lowerCasedName] :54      null55    );56    warning(57      registrationName == null,58      'Unknown event handler property %s. Did you mean `%s`?',59      name,60      registrationName61    );62  };63}64var ReactDOMUnknownPropertyDevtool = {65  onCreateMarkupForProperty(name, value) {66    warnUnknownProperty(name);67  },68  onSetValueForProperty(node, name, value) {69    warnUnknownProperty(name);70  },71  onDeleteValueForProperty(node, name) {72    warnUnknownProperty(name);73  },74};...

Using AI Code Generation

1const { getPossibleStandardName } = require('playwright-core/lib/utils/keyboardLayouts');2console.log(getPossibleStandardName('en-US'));3console.log(getPossibleStandardName('en-GB'));4console.log(getPossibleStandardName('en-UK'));5console.log(getPossibleStandardName('en'));6console.log(getPossibleStandardName('en-US-POSIX'));7console.log(getPossibleStandardName('en-US-POSIX-1'));8const { chromium } = require('playwright');9(async () => {10  const browser = await chromium.launch({headless: true});11  const context = await browser.newContext();12  const page = await context.newPage();13  await page.screenshot({ path: `example.png` });14  await browser.close();15})();16const { chromium } = require('playwright');17(async () => {18  const browser = await chromium.launch({headless: true});19  const context = await browser.newContext();

Using AI Code Generation

1const { getPossibleStandardName } = require('playwright/lib/server/chromium/crNetworkManager');2const { getPossibleStandardName } = require('playwright/lib/server/chromium/crNetworkManager');3const { getPossibleStandardName } = require('playwright/lib/server/chromium/crNetworkManager');4const { getPossibleStandardName } = require('playwright/lib/server/chromium/crNetworkManager');5const { getPossibleStandardName } = require('playwright/lib/server/chromium/crNetworkManager');6const { getPossibleStandardName } = require('playwright/lib/server/chromium/crNetworkManager');7const { getPossibleStandardName } = require('playwright/lib/server/chromium/crNetworkManager');8const { getPossibleStandardName } = require('playwright/lib/server/chromium/crNetworkManager');9const { getPossibleStandardName } = require('playwright/lib/server/chromium/crNetworkManager');

Using AI Code Generation

1const { getPossibleStandardName } = require('playwright/lib/server/supplements/recorder/recorderSupplement');2const name = getPossibleStandardName('button', 'aria-label', 'click me');3console.log(name);4'node_modules/(?!playwright|@playwright)',5"jest": {6"node_modules/(?!playwright|@playwright)"7},8'node_modules/(?!playwright|@playwright)',9"jest": {10"node_modules/(?!playwright|@playwright)"11},12'node_modules/(?!playwright|@playwright)',13"jest": {14"node_modules/(?!playwright|@playwright)"15},16'node_modules/(?!playwright|@playwright)',17"jest": {18"node_modules/(?!playwright|@playwright)"19},20'node_modules/(?!playwright|@playwright)',21"jest": {22"node_modules/(?!playwright|@playwright)"23},

Using AI Code Generation

1const { getPossibleStandardName } = require('playwright/lib/server/page');2const name = getPossibleStandardName('click');3I am using Playwright to automate a website. I am trying to get the name of the method that I am calling on the page object. For example, when I call the click method, I want to get the string 'click' as the output. I tried to use the getPossibleStandardName method of the Playwright Internal API. But I am not able to import it. I get the following error:4I have tried to import it like this:5const { getPossibleStandardName } = require('playwright/lib/server/page');6I have also tried to import it like this:7const { getPossibleStandardName } = require('playwright/lib/server/page.js');8I have also tried to import it like this:9const { getPossibleStandardName } = require('playwright/lib/server/page/index.js');10I have also tried to import it like this:11const { getPossibleStandardName } = require('playwright/lib/server/page/index');12I have also tried to import it like this:13const { getPossibleStandardName } = require('playwright/lib/server/page/index.ts');14I have also tried to import it like this:15const { getPossibleStandardName } = require('playwright/lib/server/page/index.tsx');16I have also tried to import it like this:17const { getPossibleStandardName } = require('playwright/lib/server/page/index.d.ts');18I have also tried to import it like this:19const { getPossibleStandardName } = require('playwright/lib/server/page/index.d.tsx');20I have also tried to import it like this:21const { getPossibleStandardName } = require('playwright/lib/server/page/index.json');22I have also tried to import it like this:23const { getPossibleStandardName } = require('playwright/lib/server/page/index.json5');24I have also tried to import it like this:25const { getPossibleStandardName } = require('playwright/lib/server/page/index.jsonc');26I have also tried to import it like this:27const { getPossibleStandardName } = require('playwright/lib/server/page/index.yaml');28I have also tried to import it like this:

StackOverFlow community discussions

Questions

Discussion

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

firefox browser does not start in playwright

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

Running Playwright in Azure Function

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

I found the error. It was because of some missing libraries need. I discovered this when I downgraded playwright to version 1.9 and ran the the code then this was the error msg:

(node:12876) UnhandledPromiseRejectionWarning: browserType.launch: Host system is missing dependencies!

Some of the Universal C Runtime files cannot be found on the system. You can fix
that by installing Microsoft Visual C++ Redistributable for Visual Studio from:
https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads

Full list of missing libraries:
    vcruntime140.dll
    msvcp140.dll
Error
    at Object.captureStackTrace (D:\Projects\snkrs-play\node_modules\playwright\lib\utils\stackTrace.js:48:19)
    at Connection.sendMessageToServer (D:\Projects\snkrs-play\node_modules\playwright\lib\client\connection.js:69:48)
    at Proxy.<anonymous> (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:64:61)
    at D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:64:67
    at BrowserType._wrapApiCall (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:77:34)
    at BrowserType.launch (D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:55:21)
    at D:\Projects\snkrs-play\index.js:4:35
    at Object.<anonymous> (D:\Projects\snkrs-play\index.js:7:3)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:12876) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:12876) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

A list of missing libraries was provided. After successful installments, firefox ran fine. I upgraded again to version 1.10 and firefox still works.

https://stackoverflow.com/questions/66984974/firefox-browser-does-not-start-in-playwright

Assuming you are not running test with the --runinband flag, the simple answer is yes but it depends ????

There is a pretty comprehensive GitHub issue jest#6957 that explains certain cases of when tests are run concurrently or in parallel. But it seems to depend on a lot of edge cases where jest tries its best to determine the fastest way to run the tests given the circumstances.

To my knowledge there is no way to force jest to run in parallel.

Aside

Have you considered using playwright instead of puppeteer with jest? Playwright has their own internally built testing library called @playwright/test that is used in place of jest with a similar API. This library allows for explicitly defining test groups in a single file to run in parallel (i.e. test.describe.parallel) or serially (i.e. test.describe.serial). Or even to run all tests in parallel via a config option.

// parallel
test.describe.parallel('group', () => {
  test('runs in parallel 1', async ({ page }) => {});
  test('runs in parallel 2', async ({ page }) => {});
});

// serial
test.describe.serial('group', () => {
  test('runs first', async ({ page }) => {});
  test('runs second', async ({ page }) => {});
});

https://stackoverflow.com/questions/73497773/how-to-run-a-list-of-test-suites-in-a-single-file-concurrently-in-jest

I found the error. It was because of some missing libraries need. I discovered this when I downgraded playwright to version 1.9 and ran the the code then this was the error msg:

(node:12876) UnhandledPromiseRejectionWarning: browserType.launch: Host system is missing dependencies!

Some of the Universal C Runtime files cannot be found on the system. You can fix
that by installing Microsoft Visual C++ Redistributable for Visual Studio from:
https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads

Full list of missing libraries:
    vcruntime140.dll
    msvcp140.dll
Error
    at Object.captureStackTrace (D:\Projects\snkrs-play\node_modules\playwright\lib\utils\stackTrace.js:48:19)
    at Connection.sendMessageToServer (D:\Projects\snkrs-play\node_modules\playwright\lib\client\connection.js:69:48)
    at Proxy.<anonymous> (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:64:61)
    at D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:64:67
    at BrowserType._wrapApiCall (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:77:34)
    at BrowserType.launch (D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:55:21)
    at D:\Projects\snkrs-play\index.js:4:35
    at Object.<anonymous> (D:\Projects\snkrs-play\index.js:7:3)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:12876) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:12876) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

A list of missing libraries was provided. After successful installments, firefox ran fine. I upgraded again to version 1.10 and firefox still works.

https://stackoverflow.com/questions/66984974/firefox-browser-does-not-start-in-playwright

Well this is one way, but not sure if it will work for all possible locators!.

// Get a selector from a playwright locator
import { Locator } from "@playwright/test";
export function extractSelector(locator: Locator) {
    const selector = locator.toString();
    const parts = selector.split("@");
    if (parts.length !== 2) { throw Error("extractSelector: susupect that this is not a locator"); }
    if (parts[0] !== "Locator") { throw Error("extractSelector: did not find locator"); }
    return parts[1];
}

https://stackoverflow.com/questions/72044959/is-it-possible-to-get-the-selector-from-a-locator-object-in-playwright

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