Best JavaScript code snippet using playwright-internal
ReactDOMHostConfig.js
Source:ReactDOMHostConfig.js  
...210        var data = nextNode.data;211        if (data === SUSPENSE_END_DATA) {212          if (depth === 0) {213            parentInstance.removeChild(nextNode); // Retry if any event replaying was blocked on this.214            retryIfBlockedOn(suspenseInstance);215            return;216          } else {217            depth--;218          }219        } else if (data === SUSPENSE_START_DATA || data === SUSPENSE_PENDING_START_DATA || data === SUSPENSE_FALLBACK_START_DATA) {220          depth++;221        }222      }223      node = nextNode;224    } while (node); // TODO: Warn, we didn't find the end comment boundary.225    // Retry if any event replaying was blocked on this.226    retryIfBlockedOn(suspenseInstance);227  }228  function clearSuspenseBoundaryFromContainer(container, suspenseInstance) {229    if (container.nodeType === COMMENT_NODE) {230      clearSuspenseBoundary(container.parentNode, suspenseInstance);231    } else if (container.nodeType === ELEMENT_NODE) {232      clearSuspenseBoundary(container, suspenseInstance);233    } // Retry if any event replaying was blocked on this.234    retryIfBlockedOn(container);235  }236  function hideInstance(instance) {237    // TODO: Does this work for all element types? What about MathML? Should we238    // pass host context to this method?239    instance = instance;240    var style = instance.style;241    if (typeof style.setProperty === 'function') {242      style.setProperty('display', 'none', 'important');243    } else {244      style.display = 'none';245    }246  }247  function hideTextInstance(textInstance) {248    textInstance.nodeValue = '';249  }250  function unhideInstance(instance, props) {251    instance = instance;252    var styleProp = props[STYLE$1];253    var display = styleProp !== undefined && styleProp !== null && styleProp.hasOwnProperty('display') ? styleProp.display : null;254    instance.style.display = dangerousStyleValue('display', display);255  }256  function unhideTextInstance(textInstance, text) {257    textInstance.nodeValue = text;258  }259  function clearContainer(container) {260    if (container.nodeType === ELEMENT_NODE) {261      container.textContent = '';262    } else if (container.nodeType === DOCUMENT_NODE) {263      var body = container.body;264      if (body != null) {265        body.textContent = '';266      }267    }268  } // -------------------269  function canHydrateInstance(instance, type, props) {270    if (instance.nodeType !== ELEMENT_NODE || type.toLowerCase() !== instance.nodeName.toLowerCase()) {271      return null;272    } // This has now been refined to an element node.273    return instance;274  }275  function canHydrateTextInstance(instance, text) {276    if (text === '' || instance.nodeType !== TEXT_NODE) {277      // Empty strings are not parsed by HTML so there won't be a correct match here.278      return null;279    } // This has now been refined to a text node.280    return instance;281  }282  function canHydrateSuspenseInstance(instance) {283    if (instance.nodeType !== COMMENT_NODE) {284      // Empty strings are not parsed by HTML so there won't be a correct match here.285      return null;286    } // This has now been refined to a suspense node.287    return instance;288  }289  function isSuspenseInstancePending(instance) {290    return instance.data === SUSPENSE_PENDING_START_DATA;291  }292  function isSuspenseInstanceFallback(instance) {293    return instance.data === SUSPENSE_FALLBACK_START_DATA;294  }295  function registerSuspenseInstanceRetry(instance, callback) {296    instance._reactRetry = callback;297  }298  function getNextHydratable(node) {299    // Skip non-hydratable nodes.300    for (; node != null; node = node.nextSibling) {301      var nodeType = node.nodeType;302      if (nodeType === ELEMENT_NODE || nodeType === TEXT_NODE) {303        break;304      }305      {306        if (nodeType === COMMENT_NODE) {307          var nodeData = node.data;308          if (nodeData === SUSPENSE_START_DATA || nodeData === SUSPENSE_FALLBACK_START_DATA || nodeData === SUSPENSE_PENDING_START_DATA) {309            break;310          }311        }312      }313    }314    return node;315  }316  function getNextHydratableSibling(instance) {317    return getNextHydratable(instance.nextSibling);318  }319  function getFirstHydratableChild(parentInstance) {320    return getNextHydratable(parentInstance.firstChild);321  }322  function hydrateInstance(instance, type, props, rootContainerInstance, hostContext, internalInstanceHandle) {323    precacheFiberNode(internalInstanceHandle, instance); // TODO: Possibly defer this until the commit phase where all the events324    // get attached.325    updateFiberProps(instance, props);326    var parentNamespace;327    {328      var hostContextDev = hostContext;329      parentNamespace = hostContextDev.namespace;330    }331    return diffHydratedProperties(instance, type, props, parentNamespace);332  }333  function hydrateTextInstance(textInstance, text, internalInstanceHandle) {334    precacheFiberNode(internalInstanceHandle, textInstance);335    return diffHydratedText(textInstance, text);336  }337  function hydrateSuspenseInstance(suspenseInstance, internalInstanceHandle) {338    precacheFiberNode(internalInstanceHandle, suspenseInstance);339  }340  function getNextHydratableInstanceAfterSuspenseInstance(suspenseInstance) {341    var node = suspenseInstance.nextSibling; // Skip past all nodes within this suspense boundary.342    // There might be nested nodes so we need to keep track of how343    // deep we are and only break out when we're back on top.344    var depth = 0;345    while (node) {346      if (node.nodeType === COMMENT_NODE) {347        var data = node.data;348        if (data === SUSPENSE_END_DATA) {349          if (depth === 0) {350            return getNextHydratableSibling(node);351          } else {352            depth--;353          }354        } else if (data === SUSPENSE_START_DATA || data === SUSPENSE_FALLBACK_START_DATA || data === SUSPENSE_PENDING_START_DATA) {355          depth++;356        }357      }358      node = node.nextSibling;359    } // TODO: Warn, we didn't find the end comment boundary.360    return null;361  } // Returns the SuspenseInstance if this node is a direct child of a362  // SuspenseInstance. I.e. if its previous sibling is a Comment with363  // SUSPENSE_x_START_DATA. Otherwise, null.364  function getParentSuspenseInstance(targetInstance) {365    var node = targetInstance.previousSibling; // Skip past all nodes within this suspense boundary.366    // There might be nested nodes so we need to keep track of how367    // deep we are and only break out when we're back on top.368    var depth = 0;369    while (node) {370      if (node.nodeType === COMMENT_NODE) {371        var data = node.data;372        if (data === SUSPENSE_START_DATA || data === SUSPENSE_FALLBACK_START_DATA || data === SUSPENSE_PENDING_START_DATA) {373          if (depth === 0) {374            return node;375          } else {376            depth--;377          }378        } else if (data === SUSPENSE_END_DATA) {379          depth++;380        }381      }382      node = node.previousSibling;383    }384    return null;385  }386  function commitHydratedContainer(container) {387    // Retry if any event replaying was blocked on this.388    retryIfBlockedOn(container);389  }390  function commitHydratedSuspenseInstance(suspenseInstance) {391    // Retry if any event replaying was blocked on this.392    retryIfBlockedOn(suspenseInstance);393  }394  function didNotMatchHydratedContainerTextInstance(parentContainer, textInstance, text) {395    {396      warnForUnmatchedText(textInstance, text);397    }398  }399  function didNotMatchHydratedTextInstance(parentType, parentProps, parentInstance, textInstance, text) {400    if ( parentProps[SUPPRESS_HYDRATION_WARNING$1] !== true) {401      warnForUnmatchedText(textInstance, text);402    }403  }404  function didNotHydrateContainerInstance(parentContainer, instance) {405    {406      if (instance.nodeType === ELEMENT_NODE) {...ReactFiberHostConfig.js
Source:ReactFiberHostConfig.js  
...232const commitTextUpdate = (textInstance, oldText, newText) => {233  textInstance.nodeValue = newText;234};235const commitHydratedContainer = (container) => {236  retryIfBlockedOn(container);237};238const resetAfterCommit = (containerInfo) => {239  restoreSelection(selectionInformation);240  setEnabled(eventsEnabled);241  eventsEnabled = null;242  selectionInformation = null;243};244export {245  noTimeout,246  clearContainer,247  getRootHostContext,248  getNextHydratable,249  getFirstHydratableChild,250  shouldSetTextContent,...ReactDOMEventReplaying.js
Source:ReactDOMEventReplaying.js  
1const retryIfBlockedOn = (unblocked) => {};...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  await page.screenshot({ path: 'example.png' });7  await browser.close();8})();9module.exports = {10  use: {11  },12    {13      use: {14      },15    },16    {17      use: {18      },19    },20};Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3    const browser = await chromium.launch({ headless: false });4    const context = await browser.newContext();5    const page = await context.newPage();6    await page.waitForLoadState('networkidle');7    await page.click('a');8    await page.waitForLoadState('networkidle');9    await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13    const browser = await chromium.launch({ headless: false });14    const context = await browser.newContext();15    const page = await context.newPage();16    await page.waitForLoadState('networkidle');17    await page.click('a');18    await page.waitForLoadState('networkidle');19    await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23    const browser = await chromium.launch({ headless: false });24    const context = await browser.newContext();25    const page = await context.newPage();26    await page.waitForLoadState('networkidle');27    await page.click('a');28    await page.waitForLoadState('networkidle');29    await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33    const browser = await chromium.launch({ headless: false });34    const context = await browser.newContext();35    const page = await context.newPage();36    await page.waitForLoadState('networkidle');37    await page.click('a');38    await page.waitForLoadState('networkidle');39    await browser.close();40})();41const { chromium } = require('playwright');42(async () => {43    const browser = await chromium.launch({ headless: false });44    const context = await browser.newContext();45    const page = await context.newPage();46    await page.waitForLoadState('networkidle');47    await page.click('a');48    await page.waitForLoadState('networkidle');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  await page.route('**', route => {7    route.retryIfBlockedOn('load');8  });9  await browser.close();10})();Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({headless:false});4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.click('#header a[href="/docs"]');7  await page.click('text="Get Started"');8  await page.click('text="Install"');9  await page.click('text="JavaScript"');10  await page.click('text="npm"');11  await page.click('text="Chromium"');12  await page.fill('text="npm" >> input', 'playwright');13  await page.click('text="Install"');14  await page.click('text="API"');15  await page.click('text="Page"');16  await page.click('text="Page.goto"');17  await page.click('text="Playwright"');18  await page.click('text="API"');19  await page.click('text="Page"');20  await page.click('text="Page.goto"');21  await page.click('text="Playwright"');22  await page.click('text="API"');23  await page.click('text="Page"');24  await page.click('text="Page.goto"');25  await page.click('text="Playwright"');26  await page.click('text="API"');27  await page.click('text="Page"');28  await page.click('text="Page.goto"');29  await page.click('text="Playwright"');30  await page.click('text="API"');31  await page.click('text="Page"');32  await page.click('text="Page.goto"');33  await page.click('text="Playwright"');34  await page.click('text="API"');35  await page.click('text="Page"');36  await page.click('text="Page.goto"');37  await page.click('text="Playwright"');38  await page.click('text="API"');39  await page.click('text="Page"');40  await page.click('text="Page.goto"');41  await page.click('text="Playwright"');42  await page.click('text="API"');43  await page.click('text="Page"');44  await page.click('text="Page.goto"');45  await page.click('text="Playwright"');46  await page.click('text="API"');47  await page.click('text="Using AI Code Generation
1const playwright = require('playwright');2const { retryIfBlockedOn } = require('playwright/lib/server/chromium/crPage');3(async () => {4  const browser = await playwright.chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await retryIfBlockedOn(page, async () => {8    await page.click('input[name="q"]');9    await page.fill('input[name="q"]', 'Hello World!');10    await page.press('input[name="q"]', 'Enter');11  });12  await browser.close();13})();14    at Page._delegate._session._wrapApiCall (/Users/.../node_modules/playwright/lib/server/page.js:29:24)15    at retryIfBlockedOn (/Users/.../node_modules/playwright/lib/server/chromium/crPage.js:154:20)16    at Page._delegate._session._wrapApiCall (/Users/.../node_modules/playwright/lib/server/page.js:29:24)17    at Page._delegate._session._wrapApiCall (/Users/.../node_modules/playwright/lib/server/page.js:29:24)18    at Page._delegate._session._wrapApiCall (/Users/.../node_modules/playwright/lib/server/page.js:29:24)19    at Page._delegate._session._wrapApiCall (/Users/.../node_modules/playwright/lib/server/page.js:29:24)20    at Page._delegate._session._wrapApiCall (/Users/.../node_modules/playwright/lib/server/page.js:29:24)21    at Page._delegate._session._wrapApiCall (/Users/.../node_modules/playwright/lib/server/page.js:29:24)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 result = await page.evaluate(async () => {7    const { retryIfBlockedOn } = require('playwright');8    const { chromium } = require('playwright');9    const browser = await chromium.launch();10    const context = await browser.newContext();11    const page = await context.newPage();12    const result = await retryIfBlockedOn(page, () => {13      return page.evaluate(() => {14        return new Promise((resolve) => {15          setTimeout(() => {16            resolve('success');17          }, 1000);18        });19      });20    });21    await browser.close();22    return result;23  });24  console.log(result);25  await browser.close();26})();27const { chromium } = require('playwright');28(async () => {29  const browser = await chromium.launch();30  const context = await browser.newContext();31  const page = await context.newPage();32  const result = await page.evaluate(async () => {33    const { retryIfBlockedOn } = require('playwright');34    const { chromium } = require('playwright');35    const browser = await chromium.launch();36    const context = await browser.newContext();37    const page = await context.newPage();38    const result = await retryIfBlockedOn(page, () => {39      return page.evaluate(() => {40        return new Promise((resolve) => {41          setTimeout(() => {42            resolve('success');43          }, 1000);44        });45      });46    });47    await browser.close();48    return result;49  });50  console.log(result);51  await browser.close();52})();53const { chromium } = require('playwright');54(async () => {55  const browser = await chromium.launch();56  const context = await browser.newContext();57  const page = await context.newPage();58  const result = await page.evaluate(async () => {59    const { retryUsing 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  await page.evaluate(async () => {7    await new Promise((x) => setTimeout(x, 10000));8  });9  await page.evaluate(async () => {10    await new Promise((x) => setTimeout(x, 10000));11  });12  await browser.close();13})();Using AI Code Generation
1const playwright = require("playwright");2const { retryIfBlockedOn } = require("playwright/lib/utils/utils");3(async () => {4  const browser = await playwright["chromium"].launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.evaluate(() => {8    setTimeout(() => {9      alert("Hello World");10    }, 1000);11  });12  await retryIfBlockedOn(async () => {13    await page.waitForSelector("text=Hello World");14  });15  await browser.close();16})();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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