puppeteer/docs/api/puppeteer.launchoptions.md

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LaunchOptions

LaunchOptions interface

Generic launch options that can be passed when launching any browser.

Signature:

export interface LaunchOptions

Properties

Property	Modifiers	Type	Description	Default
channel	optional	ChromeReleaseChannel	Chrome Release Channel
dumpio	optional	boolean	If true, pipes the browser process stdout and stderr to process.stdout and process.stderr.	false
env	optional	Record<string, string | undefined>	Specify environment variables that will be visible to the browser.	The contents of process.env.
executablePath	optional	string	Path to a browser executable to use instead of the bundled Chromium. Note that Puppeteer is only guaranteed to work with the bundled Chromium, so use this setting at your own risk.
extraPrefsFirefox	optional	Record<string, unknown>	Additional preferences that can be passed when launching with Firefox.
handleSIGHUP	optional	boolean	Close the browser process on SIGHUP.	true
handleSIGINT	optional	boolean	Close the browser process on Ctrl+C.	true
handleSIGTERM	optional	boolean	Close the browser process on SIGTERM.	true
ignoreDefaultArgs	optional	boolean | string[]	If true, do not use puppeteer.defaultArgs() when creating a browser. If an array is provided, these args will be filtered out. Use this with care - you probably want the default arguments Puppeteer uses.	false
pipe	optional	boolean	Connect to a browser over a pipe instead of a WebSocket.	false
product	optional	Product	Which browser to launch.	chrome
timeout	optional	number	Maximum time in milliseconds to wait for the browser to start. Pass 0 to disable the timeout.	30_000 (30 seconds).
waitForInitialPage	optional	boolean	Whether to wait for the initial page to be ready. Useful when a user explicitly disables that (e.g. --no-startup-window for Chrome).	true