![]() ![]() puppeteer-core doesn't download Chromium when installed. Puppeteer-core is a library to help drive anything that supports DevTools protocol. Being an end-user product, puppeteer supports a bunch of convenient PUPPETEER_* env variables to tweak its behavior. When installed, it downloads a version of Chromium, which it then drives using puppeteer-core. ![]() Puppeteer is a product for browser automation. (Diagram source: link) puppeteer vs puppeteer-coreĮvery release since v1.7.0 we publish two packages: Worker has a single execution context and facilitates interacting with WebWorkers.A Frame might have additional execution contexts that are associated with extensions. Frame has at least one execution context - the default execution context - where the frame's JavaScript is executed.There might be other frames created by iframe or frame tags. Page has at least one frame: main frame.BrowserContext instance defines a browsing session and can own multiple pages.Browser instance can own multiple browser contexts.Puppeteer communicates with the browser using DevTools Protocol.NOTE On the following diagram, faded entities are not currently represented in Puppeteer. The Puppeteer API is hierarchical and mirrors the browser structure. Usage dynamic detection and downloading chromium const PCR = require( "puppeteer-chromium-resolver") Ĭonst browser = await is a Node library which provides a high-level API to control Chromium or Chrome over the DevTools Protocol. Install npm i puppeteer-chromium-resolver ![]() Resolve chromium executablePath and puppeteer. ![]() Try launching chromium and resolve launchable and version.Download chromium from custom mirror host.Tool to resolve puppeteer and chromium faster, detect local installed chromium, download chromium with custom mirror host, cache chromium revision out of node_modules, test chromium headless being launchable. ![]()
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