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