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How to use hydrateSuspense method in Playwright Internal

Best JavaScript code snippet using playwright-internal

runtime-core.cjs.js

...808        }809    };810    return suspense;811}812function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, optimized, rendererInternals, hydrateNode) {813    const suspense = (vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement('div'), null, isSVG, optimized, rendererInternals, true /* hydrating */));814    // there are two possible scenarios for server-rendered suspense:815    // - success: ssr content should be fully resolved816    // - failure: ssr content should be the fallback branch.817    // however, on the client we don't really know if it has failed or not818    // attempt to hydrate the DOM assuming it has succeeded, but we still819    // need to construct a suspense boundary first820    const result = hydrateNode(node, suspense.subTree, parentComponent, suspense, optimized);821    if (suspense.deps === 0) {822        suspense.resolve();823    }824    return result;825}826function normalizeSuspenseChildren(vnode) {
...

vendor.0ab654a0.js

Source: vendor.0ab654a0.js

...1667    }1668  };1669  return suspense;1670}1671function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals, hydrateNode) {1672  const suspense = vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement("div"), null, isSVG, slotScopeIds, optimized, rendererInternals, true);1673  const result = hydrateNode(node, suspense.pendingBranch = vnode.ssContent, parentComponent, suspense, slotScopeIds, optimized);1674  if (suspense.deps === 0) {1675    suspense.resolve();1676  }1677  return result;1678}1679function normalizeSuspenseChildren(vnode) {1680  const { shapeFlag, children } = vnode;1681  const isSlotChildren = shapeFlag & 32;1682  vnode.ssContent = normalizeSuspenseSlot(isSlotChildren ? children.default : children);1683  vnode.ssFallback = isSlotChildren ? normalizeSuspenseSlot(children.fallback) : createVNode(Comment);1684}1685function normalizeSuspenseSlot(s) {...

vendor.93f284d9.js

Source: vendor.93f284d9.js

...1649    }1650  };1651  return suspense;1652}1653function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals, hydrateNode) {1654  const suspense = vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement("div"), null, isSVG, slotScopeIds, optimized, rendererInternals, true);1655  const result = hydrateNode(node, suspense.pendingBranch = vnode.ssContent, parentComponent, suspense, slotScopeIds, optimized);1656  if (suspense.deps === 0) {1657    suspense.resolve();1658  }1659  return result;1660}1661function normalizeSuspenseChildren(vnode) {1662  const {shapeFlag, children} = vnode;1663  let content;1664  let fallback;1665  if (shapeFlag & 32) {1666    content = normalizeSuspenseSlot(children.default);1667    fallback = normalizeSuspenseSlot(children.fallback);...

vendor.01f25a3a.js

Source: vendor.01f25a3a.js

...1574    }1575  };1576  return suspense;1577}1578function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, optimized, rendererInternals, hydrateNode) {1579  const suspense = vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement("div"), null, isSVG, optimized, rendererInternals, true);1580  const result = hydrateNode(node, suspense.pendingBranch = vnode.ssContent, parentComponent, suspense, optimized);1581  if (suspense.deps === 0) {1582    suspense.resolve();1583  }1584  return result;1585}1586function normalizeSuspenseChildren(vnode) {1587  const {shapeFlag, children} = vnode;1588  let content;1589  let fallback;1590  if (shapeFlag & 32) {1591    content = normalizeSuspenseSlot(children.default);1592    fallback = normalizeSuspenseSlot(children.fallback);...

runtime-core.cjs.prod.js

Source: runtime-core.cjs.prod.js

...702        }703    };704    return suspense;705}706function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, optimized, rendererInternals, hydrateNode) {707    const suspense = (vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement('div'), null, isSVG, optimized, rendererInternals, true /* hydrating */));708    // there are two possible scenarios for server-rendered suspense:709    // - success: ssr content should be fully resolved710    // - failure: ssr content should be the fallback branch.711    // however, on the client we don't really know if it has failed or not712    // attempt to hydrate the DOM assuming it has succeeded, but we still713    // need to construct a suspense boundary first714    const result = hydrateNode(node, suspense.subTree, parentComponent, suspense, optimized);715    if (suspense.deps === 0) {716        suspense.resolve();717    }718    return result;719}720function normalizeSuspenseChildren(vnode) {
...

vue3.js

Source: vue3.js

...2470          }2471      };2472      return suspense;2473  }2474  function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, optimized, rendererInternals, hydrateNode) {2475      /* eslint-disable no-restricted-globals */2476      const suspense = (vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement('div'), null, isSVG, optimized, rendererInternals, true /* hydrating */));2477      // there are two possible scenarios for server-rendered suspense:2478      // - success: ssr content should be fully resolved2479      // - failure: ssr content should be the fallback branch.2480      // however, on the client we don't really know if it has failed or not2481      // attempt to hydrate the DOM assuming it has succeeded, but we still2482      // need to construct a suspense boundary first2483      const result = hydrateNode(node, (suspense.pendingBranch = vnode.ssContent), parentComponent, suspense, optimized);2484      if (suspense.deps === 0) {2485          suspense.resolve();2486      }2487      return result;2488      /* eslint-enable no-restricted-globals */
...

vendor.a114a50c.js

Source: vendor.a114a50c.js

...1480    }1481  };1482  return suspense;1483}1484function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals, hydrateNode) {1485  const suspense = vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement("div"), null, isSVG, slotScopeIds, optimized, rendererInternals, true);1486  const result = hydrateNode(node, suspense.pendingBranch = vnode.ssContent, parentComponent, suspense, slotScopeIds, optimized);1487  if (suspense.deps === 0) {1488    suspense.resolve();1489  }1490  return result;1491}1492function normalizeSuspenseChildren(vnode) {1493  const { shapeFlag, children } = vnode;1494  const isSlotChildren = shapeFlag & 32;1495  vnode.ssContent = normalizeSuspenseSlot(isSlotChildren ? children.default : children);1496  vnode.ssFallback = isSlotChildren ? normalizeSuspenseSlot(children.fallback) : createVNode(Comment);1497}1498function normalizeSuspenseSlot(s) {...

vue.global.js

Source: vue.global.js

...2506          }2507      };2508      return suspense;2509  }2510  function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, optimized, rendererInternals, hydrateNode) {2511      /* eslint-disable no-restricted-globals */2512      const suspense = (vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement('div'), null, isSVG, optimized, rendererInternals, true /* hydrating */));2513      // there are two possible scenarios for server-rendered suspense:2514      // - success: ssr content should be fully resolved2515      // - failure: ssr content should be the fallback branch.2516      // however, on the client we don't really know if it has failed or not2517      // attempt to hydrate the DOM assuming it has succeeded, but we still2518      // need to construct a suspense boundary first2519      const result = hydrateNode(node, (suspense.pendingBranch = vnode.ssContent), parentComponent, suspense, optimized);2520      if (suspense.deps === 0) {2521          suspense.resolve();2522      }2523      return result;2524      /* eslint-enable no-restricted-globals */
...

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})();

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: 'google.png' });7  await browser.close();8})();9#### playwright.launch([options])

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: 'google.png' });7  await browser.close();8})();

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 => route.fulfill({7  }));8  await page.evaluate(() => {9    const div = document.createElement('div');10    div.textContent = 'world';11    document.body.appendChild(div);12  });13  await page.waitForSelector('text=world');14  await page.screenshot({ path: 'screenshot.png' });15  await browser.close();16})();17const { chromium } = require('playwright');18(async () => {19  const browser = await chromium.launch();20  const context = await browser.newContext();21  const page = await context.newPage();22  await page.route('**/*', route => route.fulfill({23  }));24  await page.evaluate(() => {25    const div = document.createElement('div');26    div.textContent = 'world';27    document.body.appendChild(div);28  });29  await page.waitForSelector('text=world');30  await page.screenshot({ path: 'screenshot.png' });31  await browser.close();32})();33const { chromium } = require('playwright');34(async () => {35  const browser = await chromium.launch();36  const context = await browser.newContext();37  const page = await context.newPage();38  await page.route('**/*', route => route.fulfill({39  }));

Using AI Code Generation

1const { chromium } = require('playwright');2const fs = require('fs');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.route('**/*', route => {8    if (route.request().resourceType() === 'document') {9      route.fulfill({10        body: fs.readFileSync('index.html'),11      });12    } else {13      route.continue();14    }15  });16  await page.evaluate(() => {17    window.playwright.hydrateSuspense();18  });19  await page.screenshot({ path: 'example.png' });20  await browser.close();21})();22import { playwrightHydrateSuspense } from 'playwright-hydrate-suspense';23playwrightHydrateSuspense();24[MIT](LICENSE)

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({ headless: false, slowMo: 100 });4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.screenshot({ path: 'google.png' });7  await browser.close();8})();

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 [response] = await Promise.all([7    page.waitForEvent('response'),8  ]);9  await page.evaluate(() => {10    window['hydrateSuspense']();11  });12  await page.screenshot({ path: `example.png` });13  await browser.close();14})();

Using AI Code Generation

1const playwright = require('playwright');2const { hydrateSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');3const { chromium, webkit, firefox } = require('playwright');4(async () => {5  const browser = await chromium.launch();6  const page = await browser.newPage();7  await hydrateSuspense(page);8  await page.click('text=What needs to be done?');9  await page.fill('text=What needs to be done?', 'a');10  await page.press('text=What needs to be done?', 'Enter');11  await page.click('text=What needs to be done?');12  await page.fill('text=What needs to be done?', 'b');13  await page.press('text=What needs to be done?', 'Enter');14  await page.click('text=What needs to be done?');15  await page.fill('text=What needs to be done?', 'c');16  await page.press('text=What needs to be done?', 'Enter');17  await page.click('text=What needs to be done?');18  await page.fill('text=What needs to be done?', 'd');19  await page.press('text=What needs to be done?', 'Enter');20  await page.click('text=What needs to be done?');21  await page.fill('text=What needs to be done?', 'e');22  await page.press('text=What needs to be done?', 'Enter');23  await page.click('text=What needs to be done?');24  await page.fill('text=What needs to be done?', 'f');25  await page.press('text=What needs to be done?', 'Enter');26  await page.click('text=What needs to be done?');27  await page.fill('text=What needs to be done?', 'g');28  await page.press('text=What needs to be done?', 'Enter');29  await page.click('text=What needs to be done?');30  await page.fill('text=What needs to be done?', 'h');31  await page.press('text=What needs to be done?', 'Enter');32  await page.click('text=What needs to be done?');33  await page.fill('text=What needs to be done?', 'i');34  await page.press('text=What

Using AI Code Generation

1const { hydrateSuspense } = require('playwright/lib/utils/suspense');2const { Page } = require('playwright/lib/server/page');3Page.prototype.hydrateSuspense = hydrateSuspense;4const { chromium } = require('playwright');5const fs = require('fs');6const path = require('path');7(async () => {8  const browser = await chromium.launch({9  });10  const page = await browser.newPage();11  await page.waitForSelector('#searchInput');12  await page.type('#searchInput', 'Playwright');13  await page.click('text=English');14  await page.click('text=Go');15  await page.waitForSelector('text=Playwright is a Node.js library to automate');16  const textContent = await page.textContent('text=Playwright is a Node.js library to automate');17  expect(textContent).toBe('Playwright is a Node.js library to automate');18  await page.screenshot({ path: `example.png` });19  await browser.close();20})();

StackOverFlow community discussions

Questions

Discussion

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?

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?

I played with your example for a while and I got the same errors. These are the things I found that made my example work:

It must be Linux. I know that you mentioned that you picked a Linux plan. But I found that in VS Code that part is hidden, and on the Web the default is Windows. This is important because only the Linux plan runs npm install on the server.

Make sure that you are building on the server. You can find this option in the VS Code Settings:

Make sure you set the environment variable PLAYWRIGHT_BROWSERS_PATH, before making the publish.

https://stackoverflow.com/questions/63949978/running-playwright-in-azure-function

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

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

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Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.