Best JavaScript code snippet using playwright-internal
no-lifecycle-after-await.js
Source:no-lifecycle-after-await.js  
...46        async setup() {47          onBeforeMount(() => { /* ... */ })48          onBeforeUnmount(() => { /* ... */ })49          onBeforeUpdate(() => { /* ... */ })50          onErrorCaptured(() => { /* ... */ })51          onMounted(() => { /* ... */ })52          onRenderTracked(() => { /* ... */ })53          onRenderTriggered(() => { /* ... */ })54          onUnmounted(() => { /* ... */ })55          onUpdated(() => { /* ... */ })56          onActivated(() => { /* ... */ })57          onDeactivated(() => { /* ... */ })58          await doSomething()59        }60      }61      </script>62      `63    },64    {65      filename: 'test.vue',66      code: `67      <script>68      import {onMounted} from 'vue'69      export default {70        async _setup() {71          await doSomething()72          onMounted(() => { /* ... */ }) // error73        }74      }75      </script>76      `77    },78    // has target79    {80      filename: 'test.vue',81      code: `82      <script>83      import {onBeforeMount, onBeforeUnmount, onBeforeUpdate, onErrorCaptured, onMounted, onRenderTracked, onRenderTriggered, onUnmounted, onUpdated, onActivated, onDeactivated} from 'vue'84      export default {85        async setup() {86          await doSomething()87          onBeforeMount(() => { /* ... */ }, instance)88          onBeforeUnmount(() => { /* ... */ }, instance)89          onBeforeUpdate(() => { /* ... */ }, instance)90          onErrorCaptured(() => { /* ... */ }, instance)91          onMounted(() => { /* ... */ }, instance)92          onRenderTracked(() => { /* ... */ }, instance)93          onRenderTriggered(() => { /* ... */ }, instance)94          onUnmounted(() => { /* ... */ }, instance)95          onUpdated(() => { /* ... */ }, instance)96          onActivated(() => { /* ... */ }, instance)97          onDeactivated(() => { /* ... */ }, instance)98        }99      }100      </script>101      `102    }103  ],104  invalid: [105    {106      filename: 'test.vue',107      code: `108      <script>109      import {onMounted} from 'vue'110      export default {111        async setup() {112          await doSomething()113          onMounted(() => { /* ... */ }) // error114        }115      }116      </script>117      `,118      errors: [119        {120          message:121            'The lifecycle hooks after `await` expression are forbidden.',122          line: 8,123          column: 11,124          endLine: 8,125          endColumn: 41126        }127      ]128    },129    {130      filename: 'test.vue',131      code: `132      <script>133      import {onBeforeMount, onBeforeUnmount, onBeforeUpdate, onErrorCaptured, onMounted, onRenderTracked, onRenderTriggered, onUnmounted, onUpdated, onActivated, onDeactivated} from 'vue'134      export default {135        async setup() {136          await doSomething()137          onBeforeMount(() => { /* ... */ })138          onBeforeUnmount(() => { /* ... */ })139          onBeforeUpdate(() => { /* ... */ })140          onErrorCaptured(() => { /* ... */ })141          onMounted(() => { /* ... */ })142          onRenderTracked(() => { /* ... */ })143          onRenderTriggered(() => { /* ... */ })144          onUnmounted(() => { /* ... */ })145          onUpdated(() => { /* ... */ })146          onActivated(() => { /* ... */ })147          onDeactivated(() => { /* ... */ })148        }149      }150      </script>151      `,152      errors: [153        {154          messageId: 'forbidden',...index.js
Source:index.js  
...57        onBeforeUnmount(() => console.log(`setup() => (æ°) onBeforeUnmount`)),58        onUnmounted(() => console.log(`setup() => (æ°) onUnmounted`)),59        onActivated(() => console.log(`setup() => (æ°) onActivated`)),60        onDeactivated(() => console.log(`setup() => (æ°) onDeactivated`)),61        onErrorCaptured(() => console.log(`setup() => (æ°) onErrorCaptured`))62    },...lifecycles.spec.js
Source:lifecycles.spec.js  
...120    setup() {121      onMounted(() => {122        document.body.querySelector('button').click()123      })124      onErrorCaptured((err, component, details) => {125        expect(err.messsage === 'from method')126        done()127        return false128      })129    }130  }).$mount()131})132test('onBeforeUpdate and onUpdated', done => {133  new Vue({134    setup() {135      const msg = value('hello')136      onMounted(() => {137        expect(this.msg.value).toBe('hello')138        nextTick(() => {...actions.js
Source:actions.js  
...15    });16    // async await is equivalent to the .then method, response will be created only once we received the response17    // const responseData = await response.json();18    if (!response.ok) {19      const error = new onErrorCaptured(response.data.message || 'Failed to create coach');20      throw error;21    }22    context.commit('registerCoach', {23      ...coachData,24      id: userId25    });26  },27  async loadCoaches(context, payload) {28    if (!payload.forceRefresh && !context.getters.shouldUpdate) { // if update was less than a minute ago, don't update 29      return; 30    }31    const response = await fetch('https://vue-coach-finder-app-default-rtdb.europe-west1.firebasedatabase.app/coaches.json');32    const responseData = await response.json();33    if (!response.ok) {34      const error = new onErrorCaptured(response.data.message || 'Failed to fetch');35      throw error;36    }37    const coaches = [];38    for (const key in responseData) {39      const coach = {40        id: key,41        firstName: responseData[key].firstName,42        lastName: responseData[key].lastName,43        description: responseData[key].description,44        hourlyRate: responseData[key].hourlyRate,45        areas: responseData[key].areas46      };47      coaches.push(coach);48    }...vue-life.js
Source:vue-life.js  
...40  }) //41  onUpdated(() => {42    console.log(`${flag}-${index++} -- onUpdated`)43  }) //44  onErrorCaptured((errorMsg) => { // 渲æåºéæ¶45    console.log(`${flag}-${index++} -- onErrorCaptured`)46    console.log(errorMsg)47  }) //48  onRenderTracked((event) => { // 渲æè·è¸ªæ¶49    console.log(`${flag}-${index++} -- onRenderTracked`)50    console.log(event)51  }) //52  onRenderTriggered((event) => { // 渲æè§¦åæ¶53    console.log(`${flag}-${index++} -- onRenderTriggered`)54    console.log(event)55  }) //...ErrorBoundary.js
Source:ErrorBoundary.js  
...6} from '../../../../../../node_modules/vue_3/dist/vue.esm-browser.js';7export default {8  setup() {9    const error = ref(null);10    onErrorCaptured((err, instance, info) => {11      error.value = err;12      console.log('Component:', instance);13      console.log('Info:', info);14      // Stop the error from propagating.15      return false;16    });17    return { error };18  },19  template: `20    <div v-if="error" style="background: pink; color: red; padding-left: 0.5rem; overflow: hidden">21      <p>{{ error.message }}</p>22      <pre style="font-size: 0.5rem">{{ error.stack }}</pre>23    </div>24    <slot v-else />...SuspenseWithErrors.js
Source:SuspenseWithErrors.js  
2export default {3    name: 'SuspenseWithErrors',4    setup() {5        const error = ref(null);6        onErrorCaptured((err) => (error.value = err));7        return {8            error,9        };10    },11    template: `12    <slot name="error" :error="error" v-if="error" />13    <Suspense v-else>14      <template #default>15        <slot name="default" />16      </template>17      <template #fallback>18        <slot name="fallback" />19      </template>20    </Suspense>...framework.js
Source:framework.js  
1/**2 * Copyright (c) ActiveWidgets SARL. All Rights Reserved.3 * This source code is licensed under the MIT license found in the4 * LICENSE file in the root directory of this source tree.5 */67import adapter from '@activewidgets/frameworks/vue';8import {h, ref, nextTick, onMounted, onUpdated, onBeforeUnmount, onErrorCaptured, defineComponent} from 'vue';9
...Using AI Code Generation
1const playwright = require('playwright');2(async () => {3  for (const browserType of ['chromium', 'firefox', 'webkit']) {4    const browser = await playwright[browserType].launch();5    const context = await browser.newContext();6    const page = await context.newPage();7    page.on('pageerror', async (err) => {8      console.log('Error: ', err);9    });10    page.on('error', async (err) => {11      console.log('Error: ', err);12    });13    page.on('requestfailed', async (req) => {14      console.log('Error: ', req.failure().errorText);15    });16    await page.waitForSelector('body');17    await browser.close();18  }19})();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.on('error', err => {7    console.log('Error occurred: ', err);8  });9  await page.evaluate(() => {10    document.querySelector('not-existing').click();11  });12})();13const { chromium } = require('playwright');14(async () => {15  const browser = await chromium.launch({ headless: false });16  const context = await browser.newContext();17  const page = await context.newPage();18  await page.on('pageerror', err => {19    console.log('Error occurred: ', err);20  });21  await page.evaluate(() => {22    document.querySelector('not-existing').click();23  });24})();25const { chromium } = require('playwright');26(async () => {27  const browser = await chromium.launch({ headless: false });28  const context = await browser.newContext();29  const page = await context.newPage();30  await page.on('console', msg => {31    console.log('Error occurred: ', msg.text());32  });33  await page.evaluate(() => {34    document.querySelector('not-existing').click();35  });36})();37const { chromium } = require('playwright');38(async () => {39  const browser = await chromium.launch({ headlessUsing 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  page.on('pageerror', (err) => {7    console.log('pageerror', err);8  });9  page.on('requestfailed', (req) => {10    console.log('requestfailed', req.url(), req.failure().errorText);11  });12  await page.evaluate(() => {13    setTimeout(() => {14      throw new Error('this is an error');15    }, 1000);16  });17  await new Promise((res) => setTimeout(res, 2000));18  await browser.close();19})();20const { chromium } = require('playwright');21(async () => {22  const browser = await chromium.launch();23  const context = await browser.newContext();24  const page = await context.newPage();25  page.on('pageerror', (err) => {26    console.log('pageerror', err);27  });28  page.on('requestfailed', (req) => {29    console.log('requestfailed', req.url(), req.failure().errorText);30  });31  await page.evaluate(() => {32    setTimeout(() => {33      throw new Error('this is an error');34    }, 1000);35  });36  await new Promise((res) => setTimeout(res, 2000));37  await browser.close();38})();39const { chromium } = require('playwright');40(async () => {41  const browser = await chromium.launch();42  const context = await browser.newContext();43  const page = await context.newPage();44  page.on('pageerror', (err) => {45    console.log('pageerror', err);46  });47  page.on('requestfailed', (req) => {48    console.log('requestfailedUsing 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  page.on('error', (error) => {7    console.log('Error in page', error);8  });9  await browser.close();10})();11process.on('unhandledRejection', (reason, promise) => {12  console.log('Unhandled Rejection at:', reason.stack || reason)13});14const { chromium } = require('playwright');15(async () => {16  const browser = await chromium.launch();17  const context = await browser.newContext();18  const page = await context.newPage();19  await browser.close();20})();21process.on('uncaughtException', (err, origin) => {22  console.log(`Caught exception: ${err}\n` +23              `Exception origin: ${origin}`);24});25const { chromium } = require('playwright');26(async () => {27  const browser = await chromium.launch();28  const context = await browser.newContext();29  const page = await context.newPage();30  await browser.close();31})();32process.on('uncaughtException', (err, origin) => {33  console.log(`Caught exception: ${err}\n` +34              `Exception origin: ${origin}`);35});36const { chromium } = require('playwright');37(async () => {38  const browser = await chromium.launch();39  const context = await browser.newContext();40  const page = await context.newPage();41  await browser.close();42})();Using AI Code Generation
1const { webkit } = require('playwright');2(async () => {3    const browser = await webkit.launch();4    const context = await browser.newContext();5    const page = await context.newPage();6    await page.route('**/*', route => {7        route.fulfill({8        });9    });10    page.on('error', error => {11        console.log(error);12    });13    await browser.close();14})();Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await page.context().onErrorCaptured((error) => {6    console.log(error);7  });8  await page.click('non-existing-selector');9  await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13  const browser = await chromium.launch();14  const page = await browser.newPage();15  await page.context().onErrorCaptured((error) => {16    console.log(error);17  });18  await page.click('non-existing-selector');19  await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23  const browser = await chromium.launch();24  const page = await browser.newPage();25  await page.context().onErrorCaptured((error) => {26    console.log(error);27  });28  await page.click('non-existing-selector');29  await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33  const browser = await chromium.launch();34  const page = await browser.newPage();35  await page.context().onErrorCaptured((error) => {36    console.log(error);37  });38  await page.click('non-existing-selector');39  await browser.close();40})();41const { chromium } = require('playwright');42(async () => {43  const browser = await chromium.launch();44  const page = await browser.newPage();45  await page.context().onErrorCaptured((error) => {46    console.log(error);47  });48  await page.click('non-existing-selector');49  await browser.close();50})();51const {Using AI Code Generation
1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.waitForSelector('text=Get started');7  await page.on('error', async err => {8    console.log('error occured');9    const errorDetails = await page.evaluate(() => {10      return window.playwrightError;11    });12    console.log(errorDetails);13  });14  await page.click('text=Get started');15  await browser.close();16})();Using AI Code Generation
1const { Playwright } = require('playwright');2const playwright = new Playwright();3const { BrowserType } = playwright;4const { Browser } = require('playwright');5const { Page } = require('playwright');6const { ElementHandle } = require('playwright');7const { Frame } = require('playwright');8const { Worker } = require('playwright');9const { JSHandle } = require('playwright');10const { Dialog } = require('playwright');11const { ConsoleMessage } = require('playwright');12const { Route } = require('playwright');13const { WebSocket } = require('playwright');14const { TimeoutError } = require('playwright');15const { Error } = require('playwright');16const { Request } = require('playwright');17const { Response } = require('playwright');18const { SecurityDetails } = require('playwright');19const { BrowserContext } = require('playwright');20const { Selectors } = require('playwright');21const { Accessibility } = require('playwright');22const { Tracing } = require('playwright');23const { Video } = require('playwright');24const { BrowserServer } = require('playwright');25const { WebKit } = require('playwright');26const { Chromium } = require('playwright');27const { Firefox } = require('playwright');28const { BrowserContextOptions } = require('playwright');29const { LaunchOptions } = require('playwright');30const { BrowserTypeLaunchOptions } = require('playwright');31const { BrowserTypeConnectOptions } = require('playwright');32const { BrowserTypeLaunchPersistentContextOptions } = require('playwright');33const { LaunchPersistentContextOptions } = require('playwright');34const { BrowserContextOptionsBase } = require('playwright');35const { ProxySettings } = require('playwright');36const { BrowserContextOptionsGeolocation } = require('playwright');37const { Geolocation } = require('playwright');38const { BrowserContextOptionsHttpCredentials } = require('playwright');39const { HttpCredentials } = require('playwright');40const { BrowserContextOptionsViewport } = require('playwright');41const { ViewportSize } = require('playwright');42const { BrowserContextOptionsDevice } = require('playwright');43const { DeviceDescriptor } = require('playwright');44const { BrowserContextOptionsRecordVideo } = require('playwright');45const { RecordVideoSize } = requireUsing AI Code Generation
1const { Playwright } = require('playwright');2const playwright = new Playwright();3const { chromium, webkit, firefox } = playwright;4async function main() {5  const browser = await chromium.launch({6  });7  const context = await browser.newContext();8  const page = await context.newPage();9  page.on('error', (error) => {10    console.log('Error captured in page: ', error);11  });12  await page.click('text=Click me');13  await page.waitForTimeout(2000);14  await browser.close();15}16main();17const { chromium } = require('playwright');18(async () => {19  try {20    const browser = await chromium.launch({21    });22    const context = await browser.newContext();23    const page = await context.newPage();24    page.on('error', (error) => {25      console.log('Error captured in page: ', error);26    });27    await page.click('text=Click me');28    await page.waitForTimeout(2000);29    await browser.close();30  } catch (error) {31    console.log('Error captured in try-catch block: ', error);32  }33})();34const { chromium } = require('playwright');35(async () => {36  const browser = await chromium.launch({37  });38  const context = await browser.newContext();39  const page = await context.newPage();40  page.on('error', (error) => {41    console.log('Error captured in page: ', error);42  });43    .then(()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  page.on('pageerror', err => {7    console.log(err);8  });9  page.on('error', err => {10    console.log(err);11  });12  page.on('requestfailed', err => {13    console.log(err);14  });15  page.on('requestfinished', err => {16    console.log(err);17  });18  page.on('response', err => {19    console.log(err);20  });21  page.on('request', err => {22    console.log(err);23  });24  page.on('console', err => {25    console.log(err);26  });27  page.on('dialog', err => {28    console.log(err);29  });30  page.on('frameattached', err => {31    console.log(err);32  });33  page.on('framedetached', err => {34    console.log(err);35  });36  page.on('framenavigated', err => {37    console.log(err);38  });39  page.on('loadstate', err => {40    console.log(err);41  });42  page.on('navigated', err => {43    console.log(err);44  });45  page.on('workercreated', err => {46    console.log(err);47  });48  page.on('workerdestroyed', err => {49    console.log(err);50  });51  page.on('close', err => {52    console.log(err);53  });54  page.on('crash', err => {55    console.log(err);56  });57  page.on('popup', err => {58    console.log(err);59  });60  page.on('requestfailed', err => {61    console.log(err);62  });63  page.on('requestfinished', err => {64    console.log(err);65  });66  page.on('response', err => {67    console.log(err);68  });69  page.on('request', err => {70    console.log(err);71  });72  page.on('websocket', err => {73    console.log(err);74  });75  page.on('webworker', err => {76    console.log(err);77  });78  page.on('requestfailed', err => {79    console.log(err);80  });81  page.on('requestfinished', err => {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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