How to use _disposeContext method in Puppeteer

Best JavaScript code snippet using puppeteer

Browser.js

Source:Browser.js

...71  }72  /**73   * @param {?string} contextId74   */75  async _disposeContext(contextId) {76    await this._connection.send('Target.disposeBrowserContext', {browserContextId: contextId || undefined});77    this._contexts.delete(contextId);78  }79  /**80   * @param {!Puppeteer.Connection} connection81   * @param {!Array<string>} contextIds82   * @param {boolean} ignoreHTTPSErrors83   * @param {?Puppeteer.Viewport} defaultViewport84   * @param {?Puppeteer.ChildProcess} process85   * @param {function()=} closeCallback86   */87  static async create(connection, contextIds, ignoreHTTPSErrors, defaultViewport, process, closeCallback) {88    const browser = new Browser(connection, contextIds, ignoreHTTPSErrors, defaultViewport, process, closeCallback);89    await connection.send('Target.setDiscoverTargets', {discover: true});90    return browser;91  }92  /**93   * @param {!Protocol.Target.targetCreatedPayload} event94   */95  async _targetCreated(event) {96    const targetInfo = event.targetInfo;97    const {browserContextId} = targetInfo;98    const context = (browserContextId && this._contexts.has(browserContextId)) ? this._contexts.get(browserContextId) : this._defaultContext;99    const target = new Target(targetInfo, context, () => this._connection.createSession(targetInfo), this._ignoreHTTPSErrors, this._defaultViewport, this._screenshotTaskQueue);100    assert(!this._targets.has(event.targetInfo.targetId), 'Target should not exist before targetCreated');101    this._targets.set(event.targetInfo.targetId, target);102    if (await target._initializedPromise) {103      this.emit(Browser.Events.TargetCreated, target);104      context.emit(BrowserContext.Events.TargetCreated, target);105    }106  }107  /**108   * @param {{targetId: string}} event109   */110  async _targetDestroyed(event) {111    const target = this._targets.get(event.targetId);112    target._initializedCallback(false);113    this._targets.delete(event.targetId);114    target._closedCallback();115    if (await target._initializedPromise) {116      this.emit(Browser.Events.TargetDestroyed, target);117      target.browserContext().emit(BrowserContext.Events.TargetDestroyed, target);118    }119  }120  /**121   * @param {!Protocol.Target.targetInfoChangedPayload} event122   */123  _targetInfoChanged(event) {124    const target = this._targets.get(event.targetInfo.targetId);125    assert(target, 'target should exist before targetInfoChanged');126    const previousURL = target.url();127    const wasInitialized = target._isInitialized;128    target._targetInfoChanged(event.targetInfo);129    if (wasInitialized && previousURL !== target.url()) {130      this.emit(Browser.Events.TargetChanged, target);131      target.browserContext().emit(BrowserContext.Events.TargetChanged, target);132    }133  }134  /**135   * @return {string}136   */137  wsEndpoint() {138    return this._connection.url();139  }140  /**141   * @return {!Promise<!Puppeteer.Page>}142   */143  async newPage() {144    return this._defaultContext.newPage();145  }146  /**147   * @param {string} contextId148   * @return {!Promise<!Puppeteer.Page>}149   */150  async _createPageInContext(contextId) {151    const {targetId} = await this._connection.send('Target.createTarget', {url: 'about:blank', browserContextId: contextId || undefined});152    const target = await this._targets.get(targetId);153    assert(await target._initializedPromise, 'Failed to create target for page');154    const page = await target.page();155    return page;156  }157  /**158   * @return {!Array<!Target>}159   */160  targets() {161    return Array.from(this._targets.values()).filter(target => target._isInitialized);162  }163  /**164   * @return {!Promise<!Array<!Puppeteer.Page>>}165   */166  async pages() {167    const contextPages = await Promise.all(this.browserContexts().map(context => context.pages()));168    // Flatten array.169    return contextPages.reduce((acc, x) => acc.concat(x), []);170  }171  /**172   * @return {!Promise<string>}173   */174  async version() {175    const version = await this._getVersion();176    return version.product;177  }178  /**179   * @return {!Promise<string>}180   */181  async userAgent() {182    const version = await this._getVersion();183    return version.userAgent;184  }185  async close() {186    await this._closeCallback.call(null);187    this.disconnect();188  }189  disconnect() {190    this._connection.dispose();191  }192  /**193   * @return {!Promise<!Object>}194   */195  _getVersion() {196    return this._connection.send('Browser.getVersion');197  }198}199/** @enum {string} */200Browser.Events = {201  TargetCreated: 'targetcreated',202  TargetDestroyed: 'targetdestroyed',203  TargetChanged: 'targetchanged',204  Disconnected: 'disconnected'205};206class BrowserContext extends EventEmitter {207  /**208   * @param {!Browser} browser209   * @param {?string} contextId210   */211  constructor(browser, contextId) {212    super();213    this._browser = browser;214    this._id = contextId;215  }216  /**217   * @return {!Array<!Target>} target218   */219  targets() {220    return this._browser.targets().filter(target => target.browserContext() === this);221  }222  /**223   * @return {!Promise<!Array<!Puppeteer.Page>>}224   */225  async pages() {226    const pages = await Promise.all(227        this.targets()228            .filter(target => target.type() === 'page')229            .map(target => target.page())230    );231    return pages.filter(page => !!page);232  }233  /**234   * @return {boolean}235   */236  isIncognito() {237    return !!this._id;238  }239  /**240   * @return {!Promise<!Puppeteer.Page>}241   */242  newPage() {243    return this._browser._createPageInContext(this._id);244  }245  /**246   * @return {!Browser}247   */248  browser() {249    return this._browser;250  }251  async close() {252    assert(this._id, 'Non-incognito profiles cannot be closed!');253    await this._browser._disposeContext(this._id);254  }255}256/** @enum {string} */257BrowserContext.Events = {258  TargetCreated: 'targetcreated',259  TargetDestroyed: 'targetdestroyed',260  TargetChanged: 'targetchanged',261};262helper.tracePublicAPI(BrowserContext);263helper.tracePublicAPI(Browser);264module.exports = {Browser, BrowserContext};265/**266 * @typedef {Object} BrowserOptions267 * @property {boolean=} setDefaultViewport...

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  await page.screenshot({path: 'example.png'});6  await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10  const browser = await puppeteer.launch();11  const page = await browser.newPage();12  await page.screenshot({path: 'example.png'});13  await browser.close();14})();15const puppeteer = require('puppeteer');16(async () => {17  const browser = await puppeteer.launch();18  const page = await browser.newPage();19  await page.screenshot({path: 'example.png'});20  await browser.close();21})();22const puppeteer = require('puppeteer');23(async () => {24  const browser = await puppeteer.launch();25  const page = await browser.newPage();26  await page.screenshot({path: 'example.png'});27  await browser.close();28})();29const puppeteer = require('puppeteer');30(async () => {31  const browser = await puppeteer.launch();32  const page = await browser.newPage();33  await page.screenshot({path: 'example.png'});34  await browser.close();35})();36const puppeteer = require('puppeteer');37(async () => {38  const browser = await puppeteer.launch();39  const page = await browser.newPage();40  await page.screenshot({path: 'example.png'});41  await browser.close();42})();43const puppeteer = require('puppeteer');44(async () => {45  const browser = await puppeteer.launch();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  await page.screenshot({path: 'google.png'});6  await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10  const browser = await puppeteer.launch();11  const page = await browser.newPage();12  await page.screenshot({path: 'google.png'});13  await browser._disposeContext();14})();15const puppeteer = require('puppeteer');16(async () => {17  const browser = await puppeteer.launch();18  const page = await browser.newPage();19  await page.screenshot({path: 'google.png'});20  await browser._dispose();21})();22const puppeteer = require('puppeteer');23(async () => {24  const browser = await puppeteer.launch();25  const page = await browser.newPage();26  await page.screenshot({path: 'google.png'});27  await browser._disposeContext();28})();29const puppeteer = require('puppeteer');30(async () => {31  const browser = await puppeteer.launch();32  const page = await browser.newPage();33  await page.screenshot({path: 'google.png'});34  await browser._dispose();35})();36const puppeteer = require('puppeteer');37(async () => {38  const browser = await puppeteer.launch();39  const page = await browser.newPage();40  await page.screenshot({path: 'google.png'});41  await browser._disposeContext();42})();43const puppeteer = require('puppeteer');44(async () => {45  const browser = await puppeteer.launch();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  await page.screenshot({path: 'example.png'});6  await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10  const browser = await puppeteer.launch();11  const page = await browser.newPage();12  await page.screenshot({path: 'example.png'});13  await browser._disposeContext();14})();15at CDPSession.send (/home/username/Desktop/NodeJS/puppeteer/node_modules/puppeteer/lib/Connection.js:170:35)16at async Target._dispose (/home/username/Desktop/NodeJS/puppeteer/node_modules/puppeteer/lib/Target.js:86:9)17at async Browser._disposeContext (/home/username/Desktop/NodeJS/puppeteer/node_modules/puppeteer/lib/Browser.js:157:9)18at async Object.<anonymous> (/home/username/Desktop/NodeJS/puppeteer/test.js:8:3)19at async Module._compile (internal/modules/cjs/loader.js:999:30)20at async Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)21at async Module.load (internal/modules/cjs/loader.js:863:32)22at async Function.Module._load (internal/modules/cjs/loader.js:708:14)23at async Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:60:12)

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  await page.screenshot({path: 'example.png'});6  await browser._disposeContext();7})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2const browser = await puppeteer.launch();3const page = await browser.newPage();4await page.screenshot({ path: 'google.png' });5await browser.close();6const puppeteer = require('puppeteer');7const browser = await puppeteer.launch();8const page = await browser.newPage();9await page.screenshot({ path: 'google.png' });10await browser._disposeContext();

Using AI Code Generation

1const puppeteer = require('puppeteer');2async function test() {3  const browser = await puppeteer.launch({4  });5  const page = await browser.newPage();6  await page.goto('

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch({ headless: false });4  const page = await browser.newPage();5  await page.waitFor(5000);6  await browser._disposeContext();7})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2const _disposeContext = require('puppeteer/lib/Page').prototype._disposeContext;3async function main() {4  const browser = await puppeteer.launch({5  });6  const page = await browser.newPage();7  await page.waitForSelector('button');8  await _disposeContext.call(page);9  await page.waitForSelector('button');10}11main();12      document.querySelector('button').addEventListener('click', () => {13        alert('Hello');14      });15{16  "scripts": {17  },18  "dependencies": {19  }20}21const express = require('express');22const app = express();23app.use(express.static('public'));24app.listen(5000, () => console.log('Listening on port 5000'));

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