Best JavaScript code snippet using playwright-internal
ReactElementValidator.js
Source:ReactElementValidator.js  
...7  var ReactCurrentOwner = require("./ReactCurrentOwner");8  var getIteratorFn = require("./getIteratorFn");9  var invariant = require("fbjs/lib/invariant");10  var warning = require("fbjs/lib/warning");11  function getDeclarationErrorAddendum() {12    if (ReactCurrentOwner.current) {13      var name = ReactCurrentOwner.current.getName();14      if (name) {15        return ' Check the render method of `' + name + '`.';16      }17    }18    return '';19  }20  var ownerHasKeyUseWarning = {};21  var loggedTypeFailures = {};22  function validateExplicitKey(element, parentType) {23    if (element._store.validated || element.key != null) {24      return;25    }26    element._store.validated = true;27    var addenda = getAddendaForKeyUse('uniqueKey', element, parentType);28    if (addenda === null) {29      return;30    }31    process.env.NODE_ENV !== 'production' ? warning(false, 'Each child in an array or iterator should have a unique "key" prop.' + '%s%s%s', addenda.parentOrOwner || '', addenda.childOwner || '', addenda.url || '') : undefined;32  }33  function getAddendaForKeyUse(messageType, element, parentType) {34    var addendum = getDeclarationErrorAddendum();35    if (!addendum) {36      var parentName = typeof parentType === 'string' ? parentType : parentType.displayName || parentType.name;37      if (parentName) {38        addendum = ' Check the top-level render call using <' + parentName + '>.';39      }40    }41    var memoizer = ownerHasKeyUseWarning[messageType] || (ownerHasKeyUseWarning[messageType] = {});42    if (memoizer[addendum]) {43      return null;44    }45    memoizer[addendum] = true;46    var addenda = {47      parentOrOwner: addendum,48      url: ' See https://fb.me/react-warning-keys for more information.',49      childOwner: null50    };51    if (element && element._owner && element._owner !== ReactCurrentOwner.current) {52      addenda.childOwner = ' It was passed a child from ' + element._owner.getName() + '.';53    }54    return addenda;55  }56  function validateChildKeys(node, parentType) {57    if (typeof node !== 'object') {58      return;59    }60    if (Array.isArray(node)) {61      for (var i = 0; i < node.length; i++) {62        var child = node[i];63        if (ReactElement.isValidElement(child)) {64          validateExplicitKey(child, parentType);65        }66      }67    } else if (ReactElement.isValidElement(node)) {68      if (node._store) {69        node._store.validated = true;70      }71    } else if (node) {72      var iteratorFn = getIteratorFn(node);73      if (iteratorFn) {74        if (iteratorFn !== node.entries) {75          var iterator = iteratorFn.call(node);76          var step;77          while (!(step = iterator.next()).done) {78            if (ReactElement.isValidElement(step.value)) {79              validateExplicitKey(step.value, parentType);80            }81          }82        }83      }84    }85  }86  function checkPropTypes(componentName, propTypes, props, location) {87    for (var propName in propTypes) {88      if (propTypes.hasOwnProperty(propName)) {89        var error;90        try {91          !(typeof propTypes[propName] === 'function') ? process.env.NODE_ENV !== 'production' ? invariant(false, '%s: %s type `%s` is invalid; it must be a function, usually from ' + 'React.PropTypes.', componentName || 'React class', ReactPropTypeLocationNames[location], propName) : invariant(false) : undefined;92          error = propTypes[propName](props, propName, componentName, location);93        } catch (ex) {94          error = ex;95        }96        process.env.NODE_ENV !== 'production' ? warning(!error || error instanceof Error, '%s: type specification of %s `%s` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a %s. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).', componentName || 'React class', ReactPropTypeLocationNames[location], propName, typeof error) : undefined;97        if (error instanceof Error && !(error.message in loggedTypeFailures)) {98          loggedTypeFailures[error.message] = true;99          var addendum = getDeclarationErrorAddendum();100          process.env.NODE_ENV !== 'production' ? warning(false, 'Failed propType: %s%s', error.message, addendum) : undefined;101        }102      }103    }104  }105  function validatePropTypes(element) {106    var componentClass = element.type;107    if (typeof componentClass !== 'function') {108      return;109    }110    var name = componentClass.displayName || componentClass.name;111    if (componentClass.propTypes) {112      checkPropTypes(name, componentClass.propTypes, element.props, ReactPropTypeLocations.prop);113    }114    if (typeof componentClass.getDefaultProps === 'function') {115      process.env.NODE_ENV !== 'production' ? warning(componentClass.getDefaultProps.isReactClassApproved, 'getDefaultProps is only used on classic React.createClass ' + 'definitions. Use a static property named `defaultProps` instead.') : undefined;116    }117  }118  var ReactElementValidator = {119    createElement: function(type, props, children) {120      process.env.NODE_ENV !== 'production' ? warning(typeof type === 'string' || typeof type === 'function', 'React.createElement: type should not be null, undefined, boolean, or ' + 'number. It should be a string (for DOM elements) or a ReactClass ' + '(for composite components).%s', getDeclarationErrorAddendum()) : undefined;121      var element = ReactElement.createElement.apply(this, arguments);122      if (element == null) {123        return element;124      }125      for (var i = 2; i < arguments.length; i++) {126        validateChildKeys(arguments[i], type);127      }128      validatePropTypes(element);129      return element;130    },131    createFactory: function(type) {132      var validatedFactory = ReactElementValidator.createElement.bind(null, type);133      validatedFactory.type = type;134      if (process.env.NODE_ENV !== 'production') {...ReactDOMSelect.js
Source:ReactDOMSelect.js  
1  var didWarnValueDefaultValue$1;2  {3    didWarnValueDefaultValue$1 = false;4  }5  function getDeclarationErrorAddendum() {6    var ownerName = getCurrentFiberOwnerNameInDevOrNull();7    if (ownerName) {8      return '\n\nCheck the render method of `' + ownerName + '`.';9    }10    return '';11  }12  var valuePropNames = ['value', 'defaultValue'];13  /**14   * Validation function for `value` and `defaultValue`.15   */16  function checkSelectPropTypes(props) {17    {18      checkControlledValueProps('select', props);19      for (var i = 0; i < valuePropNames.length; i++) {20        var propName = valuePropNames[i];21        if (props[propName] == null) {22          continue;23        }24        var isArray = Array.isArray(props[propName]);25        if (props.multiple && !isArray) {26          error('The `%s` prop supplied to <select> must be an array if ' + '`multiple` is true.%s', propName, getDeclarationErrorAddendum());27        } else if (!props.multiple && isArray) {28          error('The `%s` prop supplied to <select> must be a scalar ' + 'value if `multiple` is false.%s', propName, getDeclarationErrorAddendum());29        }30      }31    }32  }33  function updateOptions(node, multiple, propValue, setDefaultSelected) {34    var options = node.options;35    if (multiple) {36      var selectedValues = propValue;37      var selectedValue = {};38      for (var i = 0; i < selectedValues.length; i++) {39        // Prefix to avoid chaos with special keys.40        selectedValue['$' + selectedValues[i]] = true;41      }42      for (var _i = 0; _i < options.length; _i++) {...instantiateReactComponent.js
Source:instantiateReactComponent.js  
...11  var ReactCompositeComponentWrapper = function(element) {12    this.construct(element);13  };14  _assign(ReactCompositeComponentWrapper.prototype, ReactCompositeComponent.Mixin, {_instantiateReactComponent: instantiateReactComponent});15  function getDeclarationErrorAddendum(owner) {16    if (owner) {17      var name = owner.getName();18      if (name) {19        return ' Check the render method of `' + name + '`.';20      }21    }22    return '';23  }24  function isInternalComponentType(type) {25    return typeof type === 'function' && typeof type.prototype !== 'undefined' && typeof type.prototype.mountComponent === 'function' && typeof type.prototype.receiveComponent === 'function';26  }27  var nextDebugID = 1;28  function instantiateReactComponent(node, shouldHaveDebugID) {29    var instance;30    if (node === null || node === false) {31      instance = ReactEmptyComponent.create(instantiateReactComponent);32    } else if (typeof node === 'object') {33      var element = node;34      !(element && (typeof element.type === 'function' || typeof element.type === 'string')) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: %s.%s', element.type == null ? element.type : typeof element.type, getDeclarationErrorAddendum(element._owner)) : _prodInvariant('130', element.type == null ? element.type : typeof element.type, getDeclarationErrorAddendum(element._owner)) : void 0;35      if (typeof element.type === 'string') {36        instance = ReactHostComponent.createInternalComponent(element);37      } else if (isInternalComponentType(element.type)) {38        instance = new element.type(element);39        if (!instance.getHostNode) {40          instance.getHostNode = instance.getNativeNode;41        }42      } else {43        instance = new ReactCompositeComponentWrapper(element);44      }45    } else if (typeof node === 'string' || typeof node === 'number') {46      instance = ReactHostComponent.createInstanceForText(node);47    } else {48      !false ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Encountered invalid React node of type %s', typeof node) : _prodInvariant('131', typeof node) : void 0;...assertValidProps.js
Source:assertValidProps.js  
...12var invariant = require('fbjs/lib/invariant');13var voidElementTags = require('voidElementTags');14var warning;15var HTML = '__html';16function getDeclarationErrorAddendum() {17  return '';18}19function assertValidProps(tag: string, props: ?Object, getCurrentOwnerName: () => ?string) {20  if (!props) {21    return;22  }23  // Note the use of `==` which checks for null or undefined.24  if (voidElementTags[tag]) {25    invariant(props.children == null && props.dangerouslySetInnerHTML == null, '%s is a void element tag and must neither have `children` nor ' + 'use `dangerouslySetInnerHTML`.%s', tag, getDeclarationErrorAddendum(getCurrentOwnerName));26  }27  if (props.dangerouslySetInnerHTML != null) {28    invariant(props.children == null, 'Can only set one of `children` or `props.dangerouslySetInnerHTML`.');29    invariant(typeof props.dangerouslySetInnerHTML === 'object' && HTML in props.dangerouslySetInnerHTML, '`props.dangerouslySetInnerHTML` must be in the form `{__html: ...}`. ' + 'Please visit https://fb.me/react-invariant-dangerously-set-inner-html ' + 'for more information.');30  }31  invariant(props.style == null || typeof props.style === 'object', 'The `style` prop expects a mapping from style properties to values, ' + "not a string. For example, style={{marginRight: spacing + 'em'}} when " + 'using JSX.%s', getDeclarationErrorAddendum(getCurrentOwnerName));32}...Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  const frame = page.mainFrame();7  try {8    await frame.click('button');9  } catch (e) {10    const { getDeclarationErrorAddendum } = require('playwright/lib/utils/error');11    console.log(getDeclarationErrorAddendum(e));12  }13  await browser.close();14})();15const { getDeclarationErrorAddendum } = require('playwright/lib/utils/error');16console.log(getDeclarationErrorAddendum(e));17const { getDeclarationErrorAddendum } = require('playwright/lib/utils/error');18console.log(getDeclarationErrorAddendum(e).message);19const { getDeclarationErrorAddendum } = require('playwright/lib/utils/error');20console.log(getDeclarationErrorAddendum(e).element);21const { getDeclarationErrorAddendum } = require('playwright/lib/utils/error');22console.log(getDeclarationErrorAddendum(e).message);23console.log(getDeclarationErrorAddendum(e).element);24console.log(getDeclarationErrorAddendum(e).stack);25const { getDeclarationErrorAddendum } = require('playwright/lib/utils/error');26console.log(getDeclarationErrorAddendum(e).message);27console.log(getDeclarationErrorAddendum(e).element);28console.log(getDeclarationErrorAddendum(e).stack);29const { getDeclarationErrorAddendum } = require('playwright/lib/utils/error');30console.log(getUsing AI Code Generation
1const { getDeclarationErrorAddendum } = require("@playwright/test/lib/server/locator");2const { Locator } = require("@playwright/test/lib/server/locator");3const { ElementHandle } = require("@playwright/test/lib/server/dom");4const { JSHandle } = require("@playwright/test/lib/server/jsHandle");5const { Page } = require("@playwright/test/lib/server/page");6const { Frame } = require("@playwright/test/lib/server/frame");7const { Worker } = require("@playwright/test/lib/server/worker");8const { ConsoleMessage } = require("@playwright/test/lib/server/console");9const { Dialog } = require("@playwright/test/lib/server/dialog");10const { Download } = require("@playwright/test/lib/server/download");11const { FileChooser } = require("@playwright/test/lib/server/fileChooser");12const { FrameManager } = require("@playwright/test/lib/server/frameManager");13const { NetworkManager } = require("@playwright/test/lib/server/network");14const { Route } = require("@playwright/test/lib/server/route");15const { Selectors } = require("@playwright/test/lib/server/selectors");16const { TimeoutError } = require("@playwright/test/lib/server/errors");17const { WebSocketTransport } = require("@playwright/test/lib/server/transport");18const { helper } = require("@playwright/test/lib/server/helper");19const { debugLogger } = require("@playwright/test/lib/server/debugLogger");20const { assert } = require("@playwright/test/lib/server/assert");21const { createGuid } = require("@playwright/test/lib/server/utils");22const { parseSelector } = require("@playwright/test/lib/server/parseSelector");23const { parseSelectorV2 } = require("@playwright/test/lib/server/parseSelectorV2");24const { parseSelectorV3 } = require("@playwright/test/lib/server/parseSelectorV3");25const { parseSelectorV4 } = require("@playwright/test/lib/server/parseSelectorV4");26const { createGuid } = require("@playwright/test/lib/server/utils");27const { getDeclarationErrorAddendum } = require("@playwright/test/lib/server/locator");28const { Locator } = require("@playwright/test/lib/server/locator");29const { ElementHandle } = require("@playwright/test/lib/server/dom");30const { JSHandle } = require("@playwright/test/lib/server/jsHandle");31const {Using AI Code Generation
1const { getDeclarationErrorAddendum } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  const declarationError = getDeclarationErrorAddendum('test', 'page');5  console.log(declarationError);6});7      at test (test.js:6:23)8      at Object.<anonymous> (test.js:11:1)Using AI Code Generation
1const { InternalError } = require('playwright/lib/server/errors');2const { getDeclarationErrorAddendum } = InternalError;3const { test } = require('@playwright/test');4test('test', async ({ page }) => {5  const error = new InternalError('Test');6  const addendum = getDeclarationErrorAddendum(error, page);7  console.log(addendum);8});9const { InternalError } = require('playwright/lib/server/errors');10const { getDeclarationErrorAddendum } = InternalError;11const { test } = require('@playwright/test');12test('test', async ({ page }) => {13  const error = new InternalError('Test');14  const addendum = getDeclarationErrorAddendum(error, page);15  console.log(addendum);16});17    at Object.getDeclarationErrorAddendum (/Users/username/playwright-test/node_modules/playwright/lib/server/errors.js:38:68)18    at Object.<anonymous> (/Users/username/playwright-test/test.js:10:33)19    at Module._compile (node:internal/modules/cjs/loader:1108:14)20    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1137:10)21    at Module.load (node:internal/modules/cjs/loader:973:32)22    at Function.Module._load (node:internal/modules/cjs/loader:813:14)23    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:76:12)24const { test } = require('@playwright/test');25const { getDeclarationErrorAddendum } = require('@playwright/test/lib/utils');26test('test', async ({ page }) => {27  const error = new Error('Test');Using AI Code Generation
1const { getDeclarationErrorAddendum } = require('playwright/lib/client/helper');2const { assert } = require('chai');3const error = new Error('test error');4const errorAddendum = getDeclarationErrorAddendum(error);5assert.equal(errorAddendum, 'test error');6const errorAddendum2 = getDeclarationErrorAddendum(new Error('test error'), 'test');7assert.equal(errorAddendum2, 'test error8Note: test');9const errorAddendum3 = getDeclarationErrorAddendum(new Error('test error'), 'test', 'test2');10assert.equal(errorAddendum3, 'test error11Note: test2');12const errorAddendum4 = getDeclarationErrorAddendum(new Error('test error'), 'test', 'test2', 'test3');13assert.equal(errorAddendum4, 'test error14Note: test3');15const errorAddendum5 = getDeclarationErrorAddendum(new Error('test error'), 'test', 'test2', 'test3', 'test4');16assert.equal(errorAddendum5, 'test error17Note: test4');18const errorAddendum6 = getDeclarationErrorAddendum(new Error('test error'), 'test', 'test2', 'test3', 'test4', 'test5');19assert.equal(errorAddendum6, 'test error20Note: test5');21const errorAddendum7 = getDeclarationErrorAddendum(new Error('test error'), 'test', 'test2', 'test3', 'test4', 'test5', 'test6');22assert.equal(errorAddendum7, 'test error23Note: test6');24const errorAddendum8 = getDeclarationErrorAddendum(new Error('test error'), 'test', 'test2', 'test3', 'test4', 'test5', 'test6', 'test7');25assert.equal(errorAddendum8, 'test error26Note: test7');Using AI Code Generation
1const { getDeclarationErrorAddendum } = require('playwright/lib/utils/utils');2console.log(getDeclarationErrorAddendum('test', 'test'));3const { getDeclarationErrorAddendum } = require('playwright/lib/utils/utils');4console.log(getDeclarationErrorAddendum('test', 'test', 'test'));5const { getDeclarationErrorAddendum } = require('playwright/lib/utils/utils');6console.log(getDeclarationErrorAddendum('test', 'test', 'test', 'test'));7const { getDeclarationErrorAddendum } = require('playwright/lib/utils/utils');8console.log(getDeclarationErrorAddendum('test', 'test', 'test', 'test', 'test'));9const { getDeclarationErrorAddendum } = require('playwright/lib/utils/utils');10console.log(getDeclarationErrorAddendum('test', 'test', 'test', 'test', 'test', 'test'));11const { getDeclarationErrorAddendum } = require('playwright/lib/utils/utils');12console.log(getDeclarationErrorAddendum('test', 'test', 'test', 'test', 'test', 'test', 'test'));13const { getDeclarationErrorAddendum } = require('playwright/lib/utils/utils');14console.log(getDeclarationErrorAddendum('test', 'test', 'test', 'test', 'test', 'test', 'test', 'test'));15const { getDeclarationErrorAddendum } = require('playwright/lib/utils/utils');16console.log(getDeclarationErrorAddendum('test', 'Using AI Code Generation
1const { getDeclarationErrorAddendum } = require('playwright/lib/internal/stackTrace');2const { assert } = require('chai');3const { expect } = require('chai');4describe('Test', () => {5    it('should throw error', async () => {6        try {7            assert.equal(1, 2);8        } catch (e) {9            const error = getDeclarationErrorAddendum(e);10            console.log(error);11        }12    });13});Using AI Code Generation
1const { InternalError } = require('playwright/lib/utils/errors');2const error = new InternalError('TestError', {foo: 'bar'});3console.log(error.getDeclarationErrorAddendum('foo'));4const { InternalError } = require('playwright/lib/utils/errors');5const error = new InternalError('TestError', {foo: 'bar', message: () => 'Custom Error Message'});6console.log(error.getDeclarationErrorAddendum('foo'));7const { InternalError } = require('playwright/lib/utils/errors');8const error = new InternalError('TestError', {foo: 'bar', message: 'Custom Error Message'});9console.log(error.getDeclarationErrorAddendum('foo'));10const { InternalError } = require('playwright/lib/utils/errors');11const error = new InternalError('TestError', {foo: 'bar'});12console.log(error.getDeclarationErrorAddendum('foo'));LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.
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