Incognito page (see IncognitoBrowserContext) for each URL Shares everything (cookies, localStorage, etc.) between jobs. The default option is Cluster.CONCURRENCY_CONTEXT, but it is recommended to always specify which one you want to use. You can set it in the options when calling Cluster.launch. There are different concurrency models, which define how isolated each job is run. Provide types for input/output with TypeScript generics.Using a different puppeteer library (like puppeteer-core or puppeteer-firefox).Deep crawling the Google search results.We then queue two jobs and wait for the cluster to finish. Then a task is defined which includes going to the URL and taking a screenshot.

A cluster is created with 2 concurrent workers. The following is a typical example of using puppeteer-cluster. Npm install -save puppeteer-cluster Usage Install puppeteer (if you don't already have it installed):

Progress view and monitoring statistics (see below).

Different concurrency models to choose from (pages, contexts, browsers).

Auto restarts the browser in case of a crash.

Typings for input/output (via TypeScript Generics).

Puppeteer Cluster takes care of reusing Chromium and restarting the browser in case of errors. This is helpful if you want to crawl multiple pages or run tests in parallel. This library spawns a pool of Chromium instances via Puppeteer and helps to keep track of jobs and errors. puppeteerrc.cjs (or a cluster of puppeteer workers. Puppeteer uses several defaults that can be customized through configurationįor example, to change the default cache directory Puppeteer uses to installīrowsers, you can add a. Include $HOME/.cache into the project's deployment.įor a version of Puppeteer without the browser installation, see Your project folder (see an example below) because not all hosting providers Heroku, you might need to reconfigure the location of the cache to be within

If you deploy a project using Puppeteer to a hosting provider, such as Render or The browser is downloaded to the $HOME/.cache/puppeteer folderīy default (starting with Puppeteer v19.0.0). When you install Puppeteer, it automatically downloads a recent version ofĬhrome for Testing (~170MB macOS, ~282MB Linux, ~280MB Windows) that is guaranteed to

Puppeteer typescript download free